Gold
Gold Sodium Thiomalate
Metal Nanoparticles
Gold Alloys
Gold Colloid, Radioactive
Gold Radioisotopes
Organogold Compounds
Aurothioglucose
Nanotubes
Auranofin
Gold Sodium Thiosulfate
Sensitivity and Specificity
Mining
Electrodes
Surface Properties
Biosensing Techniques
Nanotechnology
Nanostructures
Nanoshells
Reproducibility of Results
Silver
Electrochemistry
Electrochemical Techniques
Thiomalates
Surface Plasmon Resonance
Mercury toxicity due to the smelting of placer gold recovered by mercury amalgam. (1/2249)
A 19-year-old man developed tremor in both hands and fatigue after starting work at a placer gold mine where he was exposed to mercury-gold amalgam. Examination revealed an intention tremor, dysdiadochokinesis and mild rigidity. The 24-h urinary mercury concentration reached a peak of 715 nmol/l (143 ug/l) shortly before the clinical examination, after which he was removed from working in the gold room [Mercury No. Adverse Effect Level: 250 nmol/l (50 ug/l)]. On review 7 weeks later his tremor had almost resolved and the dysdiadochokinesis and rigidity had gone. The 24-h urinary mercury concentration had fallen to 160 nmol/l (32 ug/l). The principal exposure to mercury was considered to be the smelting of retorted gold with previously unrecognized residual mercury in it. The peak air concentration of mercury vapour during gold smelting was 0.533 mg/m3 (Mercury Vapour ACGIH TLV: 0.05 mg/m3 TWA). Several engineering and procedural controls were instituted. This episode occurred at another mine site, unrelated to Mount Isa Mines Limited. (+info)Carbon disulphide absorption during xanthate reagent mixing in a gold mine concentrator. (2/2249)
A xanthate reagent mixer at a gold mine concentrator was exposed to carbon disulphide by extensive skin contamination with xanthate powder and solution during the reagent mixing process. Absorption of carbon disulphide was confirmed by the detection of urinary 2-thiothiazolidine-4-carboxylic acid (TTCA). Drager colorimetric tube testing during subsequent mixing recorded a maximum concentration of at least 60 ppm carbon disulphide. An illness consisting of predominantly gastrointestinal symptoms began 20 h after the exposure. Although this may have been due to carbon disulphide toxicity this is by no means certain. The need for engineering controls, impervious protective clothing and full-face respirators with particulate and organic vapour cartridges is discussed. This episode occurred at another mine site, unrelated to Mount Isa Mines Limited. (+info)Particle bombardment mediated transformation and GFP expression in the moss Physcomitrella patens. (3/2249)
There are few plants facilitated for the study of development, morphogenesis and gene expression at the cellular level. The moss Physcomitrella patens can be a very useful plant with several advantages: simple life cycle containing a major haploid gametophyte stage, easy manipulation, small genome size (6 x 10(8) bp) and high similarities with higher plants. To establish the transformation system of mosses as a model for basic plant research, a series of experiments were performed. Mosses were cultured in cellophane overlaid BCD media, transformed by particle bombardment and selected by the choice of appropriate antibiotics. Initial transformants appeared 8 d or 14 d after selection, showing different sensitivities toward the antibiotics used. Heat treatment during the preparation of particles revealed that denaturing the DNA enabled a more efficient way to deliver a transgene into the chromosome. This was proven by the increase in the number of transformants by five times in the plants with denatured DNA. In the test for the repairing capacity of mosses, 154 and 195 transformants survived from 1 d and 3 d incubations, respectively, indicating that a longer period of incubation seemed to be recommendable for better survival. The selected transformants were further analyzed at the DNA and expression level. Transformed genes were confirmed by PCR where all the transformants showed the expected size of amplification. Histochemical beta-glucuronidase (GUS) and green fluorescent protein (GFP) expression also confirmed the integration of exogenous DNA. In a comparison of the two different forms of GFP, soluble-modified GFP (smGFP) expressed stronger signals than modified GFP (mGFP) due to its improved solubility. Confirmation of the transgene in the chloroplast transformation has improved the applicability of moss as a model system for the study of basic biological researches. (+info)Cutting edge: receptor-mediated endocytosis of heat shock proteins by professional antigen-presenting cells. (4/2249)
Immunization with heat shock proteins (HSPs) induces Ag-specific CTL responses. The specificity of the immune response is based on peptides associated with HSPs. To investigate how exogenous HSP/peptide complexes gain access to the MHC class I-restricted Ag presentation pathway, we incubated the monocytic cell line P388D1 and the dendritic cell line D2SC/1 with gold-labeled HSPs gp96 and HSC70. We show that HSPs bind specifically to the surface of these APCs and are internalized spontaneously by receptor-mediated endocytosis, demonstrating the existence of specific receptors for HSPs on these cells. In addition, we observe colocalization of internalized HSPs and surface MHC class I molecules in early and late endosomal structures. These findings provide possible explanations for the immunogenicity of HSP/peptide complexes and for the transfer of HSP-associated peptides onto MHC class I molecules. (+info)The secretory route of the leaderless protein interleukin 1beta involves exocytosis of endolysosome-related vesicles. (5/2249)
Interleukin 1beta (IL-1beta), a secretory protein lacking a signal peptide, does not follow the classical endoplasmic reticulum-to-Golgi pathway of secretion. Here we provide the evidence for a "leaderless" secretory route that uses regulated exocytosis of preterminal endocytic vesicles to transport cytosolic IL-1beta out of the cell. Indeed, although most of the IL-1beta precursor (proIL-1beta) localizes in the cytosol of activated human monocytes, a fraction is contained within vesicles that cofractionate with late endosomes and early lysosomes on Percoll density gradients and display ultrastructural features and markers typical of these organelles. The observation of organelles positive for both IL-1beta and the endolysosomal hydrolase cathepsin D or for both IL-1beta and the lysosomal marker Lamp-1 further suggests that they belong to the preterminal endocytic compartment. In addition, similarly to lysosomal hydrolases, secretion of IL-1beta is induced by acidotropic drugs. Treatment of monocytes with the sulfonylurea glibenclamide inhibits both IL-1beta secretion and vesicular accumulation, suggesting that this drug prevents the translocation of proIL-1beta from the cytosol into the vesicles. A high concentration of extracellular ATP and hypotonic medium increase secretion of IL-1beta but deplete the vesicular proIL-1beta content, indicating that exocytosis of proIL-1beta-containing vesicles is regulated by ATP and osmotic conditions. (+info)Leptospirosis and Ebola virus infection in five gold-panning villages in northeastern Gabon. (6/2249)
An exhaustive epidemiologic and serologic survey was carried out in five gold-panning villages situated in northeastern Gabon to estimate the degree of exposure of to leptospirosis and Ebola virus. The seroprevalence was 15.7% for leptospirosis and 10.2% for Ebola virus. Sixty years after the last seroepidemiologic survey of leptospirosis in Gabon, this study demonstrates the persistence of this infection among the endemic population and the need to consider it as a potential cause of hemorrhagic fever in Gabon. There was no significant statistical correlation between the serologic status of populations exposed to both infectious agents, indicating the lack of common risk factors for these diseases. (+info)Cellular responses to Plasmodium falciparum major surface antigens and their relationship to human activities associated with malaria transmission. (7/2249)
In Brazil, two types of activities have led to the worsening of malarial transmission in the Amazon region: prospecting/mining and agricultural settlements. In the present study, we analyze the cellular response of 52 of these individuals (14 gold-miners and 38 farmers) living within the same endemic area. Two Plasmodium falciparum major surface antigens (recombinant proteins) were used for cellular proliferative assays: circumsporozoite protein and merozoite surface protein-1. The frequency of these cellular responses were significantly higher among the miners (57-64%) than the farmers (10-20%) when either recombinant protein was used. Our data suggest that a higher exposure to malaria of the gold-miners contributed to their higher in vitro cellular response compared with the farmers. These findings point the way to further studies evaluating the influence of risk factors associated with the life styles of different social groups and the immune responses to these antigens. (+info)Single micro electrode dielectrophoretic tweezers for manipulation of suspended cells and particles. (8/2249)
Cells or particles in aqueous suspension close to a single capacitively coupled micro electrode (CCME) driven with high frequency electric fields experience dielectrophoretic forces. The effects near the CCME can be used for trapping and manipulation of single cells using externally metallised glass pipettes and might be used to develop a microscope based on force or capacitance measurements in conductive media. (+info)I believe there may be some confusion in your question. Gold is typically a chemical element with the symbol Au and atomic number 79. It is a dense, soft, malleable, and ductile metal. It is one of the least reactive chemical elements and is solid under standard conditions.
However, if you are referring to "Gold" in the context of medical terminology, it may refer to:
1. Gold salts: These are a group of compounds that contain gold and are used in medicine for their anti-inflammatory properties. They have been used in the treatment of rheumatoid arthritis, although they have largely been replaced by newer drugs with fewer side effects.
2. Gold implants: In some cases, a small amount of gold may be surgically implanted into the eye to treat conditions such as age-related macular degeneration or diabetic retinopathy. The gold helps to hold the retina in place and can improve vision in some patients.
3. Gold thread embedment: This is an alternative therapy used in traditional Chinese medicine, where gold threads are embedded into the skin or acupuncture points for therapeutic purposes. However, there is limited scientific evidence to support its effectiveness.
I hope this information helps! If you have any further questions, please let me know.
Gold sodium thiomalate is a disease-modifying antirheumatic drug (DMARD) that contains gold, which can help reduce pain, swelling, and stiffness in joints caused by rheumatoid arthritis. It works by possibly inhibiting certain enzymes involved in inflammation and modulating the immune system's response to reduce tissue damage.
This medication is given as an intramuscular injection and requires medical supervision due to its potential side effects, including kidney and liver problems, skin rashes, mouth sores, and changes in blood cell counts. Regular monitoring of blood and urine tests is necessary during treatment with gold sodium thiomalate.
It's important to note that the use of this medication has declined over time due to the availability of newer and more effective treatments for rheumatoid arthritis, as well as its potential side effects.
Gold compounds refer to chemical combinations in which gold atoms are bonded with other elements. In the context of medicine, particularly in the field of rheumatology, gold compounds have been used as disease-modifying antirheumatic drugs (DMARDs) for the treatment of conditions such as rheumatoid arthritis.
The most commonly used gold compound is auranofin, which contains gold in the +1 oxidation state. Auranofin is an oral medication that can help reduce inflammation and slow down joint damage caused by rheumatoid arthritis. It works by inhibiting certain enzymes involved in the inflammatory response.
Other gold compounds, such as sodium aurothiomalate and gold thioglucose, are administered parenterally (usually intramuscularly) and contain gold in the +3 oxidation state. These medications also have anti-inflammatory properties and can help alleviate symptoms of rheumatoid arthritis.
It is important to note that the use of gold compounds as a treatment for rheumatoid arthritis has declined over time due to their side effects, which may include kidney damage, skin reactions, mouth ulcers, and bone marrow suppression. They are generally reserved for patients who have not responded well to other DMARDs or biologic agents.
Medical definitions generally refer to terms and concepts within the medical field. The term "metal nanoparticles" is more commonly used in materials science, chemistry, and physics. However, I can provide a general scientific definition that could be relevant to medical applications:
Metal nanoparticles are tiny particles with at least one dimension ranging from 1 to 100 nanometers (nm), composed of metals or metal compounds. They have unique optical, electronic, and chemical properties due to their small size and high surface-to-volume ratio, making them useful in various fields, including medical research. In medicine, metal nanoparticles can be used in drug delivery systems, diagnostics, and therapeutic applications such as photothermal therapy and radiation therapy. Examples of metals used for nanoparticle synthesis include gold, silver, and iron.
Gold alloys are not strictly a medical term, but they are often used in medical applications, particularly in the field of dentistry. Therefore, I will provide both a general definition and a dental-specific definition for clarity.
A gold alloy is a mixture of different metals, where gold is the primary component. The other metals are added to modify the properties of gold, such as its hardness, melting point, or color. These alloys can contain varying amounts of gold, ranging from 30% to 75%, depending on their intended use.
In dentistry, gold alloys refer to a specific type of alloy used for dental restorations like crowns, inlays, and onlays. These alloys typically contain between 60% and 90% gold, along with other metals such as silver, copper, and sometimes palladium or zinc. The high gold content ensures excellent biocompatibility, corrosion resistance, and durability, making these alloys a popular choice for dental applications. Additionally, their malleability allows for precise shaping and adjustment during the fabrication process.
A gold colloid, radioactive, refers to a type of medical preparation where tiny particles of radioactive gold (usually in the form of gold-198 isotope) are suspended in a liquid medium. Gold-198 has a half-life of about 2.7 days and emits beta particles and gamma radiation.
Radioactive gold colloid is sometimes used in interventional radiology procedures for the treatment of various conditions, such as liver tumors or inflammatory diseases like arthritis. The radioactivity of the gold particles helps to deliver targeted radiation therapy to the affected area, while the small size and colloidal form allow for easy administration and distribution within the body.
It is important to note that the use of radioactive materials in medical procedures requires specialized training and equipment, and should only be performed by qualified healthcare professionals in a controlled environment.
Gold radioisotopes are unstable forms of gold that emit radiation as they decay into more stable elements. They are not typically used for medical purposes, but there have been some experimental uses in the treatment of cancer. For example, Gold-198 is a radioisotope that has been used in the brachytherapy (internal radiation therapy) of certain types of tumors. It releases high-energy gamma rays and is often used as a sealed source for the treatment of cancer.
It's important to note that the use of radioisotopes in medicine, including gold radioisotopes, should only be performed under the supervision of trained medical professionals and radiation safety experts due to the potential risks associated with radiation exposure.
Organogold compounds are chemical compounds that contain carbon-gold bonds, where gold is bonded directly to carbon atoms. These compounds have been synthesized and studied for their unique properties and potential applications in various fields, including medicine, catalysis, and materials science. In the medical context, organogold compounds have been explored as potential therapeutic agents, particularly in the treatment of cancer and infectious diseases. Some organogold compounds have shown promising antitumor and antibacterial activities, although their clinical use is still under investigation.
Aurothioglucose is a gold-containing medication that has been used in the treatment of rheumatoid arthritis. It works by modulating the immune system and reducing inflammation in the joints. The medication is administered via injection, usually into a muscle (intramuscularly).
The use of aurothioglucose has declined in recent years due to the availability of newer and more effective medications for rheumatoid arthritis. Additionally, aurothioglucose can have significant side effects, including kidney damage, skin reactions, and blood disorders. It is important to be monitored by a healthcare provider while taking this medication to ensure that it is safe and effective for use.
Nanotubes, in the context of nanotechnology and materials science, refer to hollow cylindrical structures with extremely small diameters, measured in nanometers (nm). They are typically composed of carbon atoms arranged in a hexagonal lattice structure, similar to graphene. The most common types of nanotubes are single-walled nanotubes (SWNTs) and multi-walled nanotubes (MWNTs).
In the field of medicine, nanotubes have been studied for their potential applications in drug delivery, tissue engineering, and medical devices. For example, researchers have explored the use of nanotubes as drug carriers, where drugs can be loaded into the hollow interior of the tube and released in a controlled manner at the target site. Additionally, nanotubes have been used to create conductive scaffolds for tissue engineering, which may help promote nerve regeneration or muscle growth.
However, it's important to note that while nanotubes have shown promise in preclinical studies, their potential use in medical applications is still being researched and developed. There are concerns about the potential toxicity of nanotubes, as well as challenges related to their large-scale production and functionalization for specific medical applications.
Auranofin is a medication that contains gold and is used in the treatment of rheumatoid arthritis. It belongs to a class of drugs called gold-containing compounds, which are used to reduce inflammation and joint damage caused by rheumatoid arthritis.
Auranofin works by inhibiting certain enzymes that play a role in the inflammatory response, which can help to reduce swelling, pain, and stiffness in the joints. It is taken orally, usually in the form of a tablet, and is typically prescribed for use in combination with other medications used to treat rheumatoid arthritis.
It's important to note that auranofin can have serious side effects, including kidney damage, mouth sores, and skin rashes, and it should only be used under the close supervision of a healthcare provider. Additionally, regular monitoring of blood and urine tests is necessary while taking this medication to ensure that it is not causing any harmful effects on the body.
Gold sodium thiosulfate is a medication that contains the active ingredients gold and sodium thiosulfate. It is used in the treatment of rheumatoid arthritis, a chronic autoimmune disease characterized by inflammation and damage to the joints. The gold component of the medication is thought to work by modulating the immune system and reducing inflammation, while the sodium thiosulfate helps to protect cells from the potential toxic effects of the gold.
Gold sodium thiosulfate is administered as an injection, typically on a weekly basis, and may be given in combination with other medications to manage rheumatoid arthritis. It is important to note that this medication can have serious side effects, including kidney damage, bone marrow suppression, and allergic reactions, and it should only be used under the close supervision of a healthcare professional.
Sensitivity and specificity are statistical measures used to describe the performance of a diagnostic test or screening tool in identifying true positive and true negative results.
* Sensitivity refers to the proportion of people who have a particular condition (true positives) who are correctly identified by the test. It is also known as the "true positive rate" or "recall." A highly sensitive test will identify most or all of the people with the condition, but may also produce more false positives.
* Specificity refers to the proportion of people who do not have a particular condition (true negatives) who are correctly identified by the test. It is also known as the "true negative rate." A highly specific test will identify most or all of the people without the condition, but may also produce more false negatives.
In medical testing, both sensitivity and specificity are important considerations when evaluating a diagnostic test. High sensitivity is desirable for screening tests that aim to identify as many cases of a condition as possible, while high specificity is desirable for confirmatory tests that aim to rule out the condition in people who do not have it.
It's worth noting that sensitivity and specificity are often influenced by factors such as the prevalence of the condition in the population being tested, the threshold used to define a positive result, and the reliability and validity of the test itself. Therefore, it's important to consider these factors when interpreting the results of a diagnostic test.
I'm sorry for any confusion, but "mining" is not a term that has a widely accepted medical definition. It is most commonly associated with the extraction of minerals from the earth in the field of geology and mining engineering. If you have any questions related to health or medicine, I would be happy to try to help answer those for you!
An electrode is a medical device that can conduct electrical currents and is used to transmit or receive electrical signals, often in the context of medical procedures or treatments. In a medical setting, electrodes may be used for a variety of purposes, such as:
1. Recording electrical activity in the body: Electrodes can be attached to the skin or inserted into body tissues to measure electrical signals produced by the heart, brain, muscles, or nerves. This information can be used to diagnose medical conditions, monitor the effectiveness of treatments, or guide medical procedures.
2. Stimulating nerve or muscle activity: Electrodes can be used to deliver electrical impulses to nerves or muscles, which can help to restore function or alleviate symptoms in people with certain medical conditions. For example, electrodes may be used to stimulate the nerves that control bladder function in people with spinal cord injuries, or to stimulate muscles in people with muscle weakness or paralysis.
3. Administering treatments: Electrodes can also be used to deliver therapeutic treatments, such as transcranial magnetic stimulation (TMS) for depression or deep brain stimulation (DBS) for movement disorders like Parkinson's disease. In these procedures, electrodes are implanted in specific areas of the brain and connected to a device that generates electrical impulses, which can help to regulate abnormal brain activity and improve symptoms.
Overall, electrodes play an important role in many medical procedures and treatments, allowing healthcare professionals to diagnose and treat a wide range of conditions that affect the body's electrical systems.
Surface properties in the context of medical science refer to the characteristics and features of the outermost layer or surface of a biological material or structure, such as cells, tissues, organs, or medical devices. These properties can include physical attributes like roughness, smoothness, hydrophobicity or hydrophilicity, and electrical conductivity, as well as chemical properties like charge, reactivity, and composition.
In the field of biomaterials science, understanding surface properties is crucial for designing medical implants, devices, and drug delivery systems that can interact safely and effectively with biological tissues and fluids. Surface modifications, such as coatings or chemical treatments, can be used to alter surface properties and enhance biocompatibility, improve lubricity, reduce fouling, or promote specific cellular responses like adhesion, proliferation, or differentiation.
Similarly, in the field of cell biology, understanding surface properties is essential for studying cell-cell interactions, cell signaling, and cell behavior. Cells can sense and respond to changes in their environment, including variations in surface properties, which can influence cell shape, motility, and function. Therefore, characterizing and manipulating surface properties can provide valuable insights into the mechanisms of cellular processes and offer new strategies for developing therapies and treatments for various diseases.
Biosensing techniques refer to the methods and technologies used to detect and measure biological molecules or processes, typically through the use of a physical device or sensor. These techniques often involve the conversion of a biological response into an electrical signal that can be measured and analyzed. Examples of biosensing techniques include electrochemical biosensors, optical biosensors, and piezoelectric biosensors.
Electrochemical biosensors measure the electrical current or potential generated by a biochemical reaction at an electrode surface. This type of biosensor typically consists of a biological recognition element, such as an enzyme or antibody, that is immobilized on the electrode surface and interacts with the target analyte to produce an electrical signal.
Optical biosensors measure changes in light intensity or wavelength that occur when a biochemical reaction takes place. This type of biosensor can be based on various optical principles, such as absorbance, fluorescence, or surface plasmon resonance (SPR).
Piezoelectric biosensors measure changes in mass or frequency that occur when a biomolecule binds to the surface of a piezoelectric crystal. This type of biosensor is based on the principle that piezoelectric materials generate an electrical charge when subjected to mechanical stress, and this charge can be used to detect changes in mass or frequency that are proportional to the amount of biomolecule bound to the surface.
Biosensing techniques have a wide range of applications in fields such as medicine, environmental monitoring, food safety, and biodefense. They can be used to detect and measure a variety of biological molecules, including proteins, nucleic acids, hormones, and small molecules, as well as to monitor biological processes such as cell growth or metabolism.
Nanotechnology is not a medical term per se, but it is a field of study with potential applications in medicine. According to the National Nanotechnology Initiative, nanotechnology is defined as "the understanding and control of matter at the nanoscale, at dimensions between approximately 1 and 100 nanometers, where unique phenomena enable novel applications."
In the context of medicine, nanotechnology has the potential to revolutionize the way we diagnose, treat, and prevent diseases. Nanomedicine involves the use of nanoscale materials, devices, or systems for medical applications. These can include drug delivery systems that target specific cells or tissues, diagnostic tools that detect biomarkers at the molecular level, and tissue engineering strategies that promote regeneration and repair.
While nanotechnology holds great promise for medicine, it is still a relatively new field with many challenges to overcome, including issues related to safety, regulation, and scalability.
In the context of medical and health sciences, particle size generally refers to the diameter or dimension of particles, which can be in the form of solid particles, droplets, or aerosols. These particles may include airborne pollutants, pharmaceutical drugs, or medical devices such as nanoparticles used in drug delivery systems.
Particle size is an important factor to consider in various medical applications because it can affect the behavior and interactions of particles with biological systems. For example, smaller particle sizes can lead to greater absorption and distribution throughout the body, while larger particle sizes may be filtered out by the body's natural defense mechanisms. Therefore, understanding particle size and its implications is crucial for optimizing the safety and efficacy of medical treatments and interventions.
Nanostructures, in the context of medical and biomedical research, refer to materials or devices with structural features that have at least one dimension ranging between 1-100 nanometers (nm). At this size scale, the properties of these structures can differ significantly from bulk materials, exhibiting unique phenomena that are often influenced by quantum effects.
Nanostructures have attracted considerable interest in biomedicine due to their potential applications in various areas such as drug delivery, diagnostics, regenerative medicine, and tissue engineering. They can be fabricated from a wide range of materials including metals, polymers, ceramics, and carbon-based materials.
Some examples of nanostructures used in biomedicine include:
1. Nanoparticles: These are tiny particles with at least one dimension in the nanoscale range. They can be made from various materials like metals, polymers, or lipids and have applications in drug delivery, imaging, and diagnostics.
2. Quantum dots: These are semiconductor nanocrystals that exhibit unique optical properties due to quantum confinement effects. They are used as fluorescent labels for bioimaging and biosensing applications.
3. Carbon nanotubes: These are hollow, cylindrical structures made of carbon atoms arranged in a hexagonal lattice. They have exceptional mechanical strength, electrical conductivity, and thermal stability, making them suitable for various biomedical applications such as drug delivery, tissue engineering, and biosensors.
4. Nanofibers: These are elongated nanostructures with high aspect ratios (length much greater than width). They can be fabricated from various materials like polymers, ceramics, or composites and have applications in tissue engineering, wound healing, and drug delivery.
5. Dendrimers: These are highly branched, nanoscale polymers with a well-defined structure and narrow size distribution. They can be used as drug carriers, gene delivery vehicles, and diagnostic agents.
6. Nanoshells: These are hollow, spherical nanoparticles consisting of a dielectric core covered by a thin metallic shell. They exhibit unique optical properties that make them suitable for applications such as photothermal therapy, biosensing, and imaging.
Nanoshells are a type of nanoparticle that consist of a dielectric or non-conducting core, such as silica or polymer, surrounded by a thin metallic shell, typically made of gold or silver. They have unique optical properties due to the phenomenon known as localized surface plasmon resonance (LSPR), which occurs when the conduction electrons on the metal surface oscillate in response to incident light. This allows nanoshells to strongly absorb and scatter light at specific wavelengths, making them useful for various biomedical applications such as diagnostic imaging, drug delivery, and photothermal therapy. The optical properties of nanoshells can be tuned by adjusting the size and composition of both the core and shell, enabling the development of nanoshell-based platforms with tailored functionalities.
Reproducibility of results in a medical context refers to the ability to obtain consistent and comparable findings when a particular experiment or study is repeated, either by the same researcher or by different researchers, following the same experimental protocol. It is an essential principle in scientific research that helps to ensure the validity and reliability of research findings.
In medical research, reproducibility of results is crucial for establishing the effectiveness and safety of new treatments, interventions, or diagnostic tools. It involves conducting well-designed studies with adequate sample sizes, appropriate statistical analyses, and transparent reporting of methods and findings to allow other researchers to replicate the study and confirm or refute the results.
The lack of reproducibility in medical research has become a significant concern in recent years, as several high-profile studies have failed to produce consistent findings when replicated by other researchers. This has led to increased scrutiny of research practices and a call for greater transparency, rigor, and standardization in the conduct and reporting of medical research.
I'm sorry for any confusion, but "Silver" is not a medical term. It is a chemical element with the symbol Ag and atomic number 47. Silver is a soft, white, lustrous transition metal that occurs in its pure, free form (native silver) as an alloy with gold and other metals, and in minerals such as argentite and chlorargyrite.
In the medical field, silver compounds have been used for their antimicrobial properties. For example, silver sulfadiazine is a common topical cream used to prevent or treat wound infections. Colloidal silver, a suspension of silver particles in a liquid, has also been promoted as a dietary supplement and alternative treatment for various conditions, but its effectiveness and safety are not well-established.
Electrochemistry is a branch of chemistry that deals with the interconversion of electrical energy and chemical energy. It involves the study of chemical processes that cause electrons to move, resulting in the transfer of electrical charge, and the reverse processes by which electrical energy can be used to drive chemical reactions. This field encompasses various phenomena such as the generation of electricity from chemical sources (as in batteries), the electrolysis of substances, and corrosion. Electrochemical reactions are fundamental to many technologies, including energy storage and conversion, environmental protection, and medical diagnostics.
Electrochemical techniques are a group of analytical methods used in chemistry and biochemistry that involve the study of chemical processes that cause electrons to move. These techniques use an electrochemical cell, which consists of two electrodes (a working electrode and a counter electrode) immersed in an electrolyte solution. An electrical potential is applied between the electrodes, which drives redox reactions to occur at the electrode surfaces. The resulting current that flows through the cell can be measured and related to the concentration of analytes in the solution.
There are several types of electrochemical techniques, including:
1. Voltammetry: This technique measures the current that flows through the cell as a function of the applied potential. There are several types of voltammetry, including cyclic voltammetry, differential pulse voltammetry, and square wave voltammetry.
2. Amperometry: This technique measures the current that flows through the cell at a constant potential.
3. Potentiometry: This technique measures the potential difference between the working electrode and a reference electrode at zero current flow.
4. Impedance spectroscopy: This technique measures the impedance of the electrical circuit formed by the electrochemical cell as a function of frequency.
Electrochemical techniques are widely used in various fields, such as environmental monitoring, pharmaceuticals, food analysis, and biomedical research. They offer several advantages, including high sensitivity, selectivity, and simplicity, making them a powerful tool for chemical analysis.
Thiomalates are not a medical term per se, but they refer to a group of chemical compounds that contain a sulfur atom (thio-) and a malic acid component (-malate). In the medical context, thiomalates are primarily known for their use in the preparation of certain medications. Specifically, potassium or sodium salt of thiomalic acid is used as an active ingredient in some types of disease-modifying antirheumatic drugs (DMARDs), such as rheumatoid arthritis treatments. These medications, known as thiomalate drugs, work by reducing inflammation and slowing down the progression of the disease.
Examples of thiomalate drugs include:
* Sodium thiomalate (brand name: Thiosal)
* Potassium thiomalate (brand name: Thiomal-K)
It is important to note that these medications can have side effects and potential risks, so they should only be used under the supervision of a healthcare professional.
Surface Plasmon Resonance (SPR) is a physical phenomenon that occurs at the interface between a metal and a dielectric material, when electromagnetic radiation (usually light) is shone on it. It involves the collective oscillation of free electrons in the metal, known as surface plasmons, which are excited by the incident light. The resonance condition is met when the momentum and energy of the photons match those of the surface plasmons, leading to a strong absorption of light and an evanescent wave that extends into the dielectric material.
In the context of medical diagnostics and research, SPR is often used as a sensitive and label-free detection technique for biomolecular interactions. By immobilizing one binding partner (e.g., a receptor or antibody) onto the metal surface and flowing the other partner (e.g., a ligand or antigen) over it, changes in the refractive index at the interface can be measured in real-time as the plasmons are disturbed by the presence of bound molecules. This allows for the quantification of binding affinities, kinetics, and specificity with high sensitivity and selectivity.
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20233
- 11, 2023 Researchers introduce a novel imaging method to detect gold nanoparticles in woodlice. (sciencedaily.com)
- 18, 2023 Researchers discover excellent thermoelectric properties of nickel-gold alloys. (sciencedaily.com)
- Cite this: Antibiotics 'Like Gold' for Some, Driving Inappropriate Use - Medscape - Oct 16, 2023. (medscape.com)
Ounce9
- A single gram of gold can be beaten into a sheet of 1 square metre (11 sq ft), and an avoirdupois ounce into 300 square feet (28 m2). (wikipedia.org)
- Thousands of adventurers wander into Alaskan forests, mountains and grasslands to get only one thing - even one gold ounce. (steampowered.com)
- The price of an ounce of gold hit an all-time high in early August, and remains not far below the highs as of writing. (forbes.com)
- In a 2012 paper , Harvey and Claude Erb noted that during the reign of Nebuchadnezzar in Babylon in 562 B.C., an ounce of gold netted you 350 loaves of bread. (forbes.com)
- At the time of Harvey's paper, an ounce of gold went for $1,600, meaning it could purchase 350 loaves of bread costing $4.57. (forbes.com)
- Jeff Gundlach, the so-called "king of the bond market," too recently said he believes gold will soar to $1,400 an ounce . (cnn.com)
- Currie, Goldman's head of commodities research, told CNBC on Monday he had an end-of-year price target of $1,050 per ounce for gold, a 16 percent drop based from current prices of $1,251. (cnbc.com)
- Marketwatch reported that Gold for April delivery was last up $1.50 at $684.50 an ounce on the New York Merc. (ritholtz.com)
- On Wedsday, gold closed at $684 an ounce, a seven-month high. (ritholtz.com)
Fool's gold1
- With little chemistry among the performers, humorless gags, and a predictable storyline, Fool's Gold fails on every level. (rottentomatoes.com)
Gold's1
- Gold's sees his buddy Oil (aka Black Gold) at $61 bucks. (ritholtz.com)
World's4
- In 2020, the world's largest gold producer was China, followed by Russia and Australia. (wikipedia.org)
- The world's consumption of new gold produced is about 50% in jewelry, 40% in investments, and 10% in industry. (wikipedia.org)
- It asked the Bank of England (then, as now, the world's premier clearing point for physical gold) to move the metal held in BIS account No.2 to a new BIS account, No.17. (forbes.com)
- During the first quarter the legendary investor purchased $264 million worth of shares of Barrick Gold ( ABX ) , the world's largest gold miner. (cnn.com)
Compounds2
- Less commonly, it occurs in minerals as gold compounds, often with tellurium (gold tellurides). (wikipedia.org)
- Gold compounds have proven effective in the treatment of inflammation with autoimmune etiology. (medscape.com)
Yukon Gold1
- Are Yukon Gold potatoes genetically modified so their exposed surfaces to not turn black in oxygen? (answers.com)
20161
- Gold shot up in value in the beginning of 2016, for instance, when stocks got off to a terrible start of the year thanks to worries about slow growth in China and weak demand for oil and other commodities. (forbes.com)
Inflation9
- Gold Is an Inflation Hedge. (forbes.com)
- Gold is often billed as an inflation hedge, meaning it maintains its value even as prices rise. (forbes.com)
- If inflation rises by a certain percent over a certain period of time, generally gold would rise by roughly that same percentage over the same period of time. (forbes.com)
- The price of gold swings much more dramatically than actual inflation. (forbes.com)
- And during an inflation shock, when prices rise exponentially, gold doesn't necessarily match the gains in prices and inflation. (forbes.com)
- So even if the economy strongly bounces back in the near term, and inflation rises more than expected thanks to the trillions of dollars pumped into the economy by the White House, Congress and the Federal Reserve, you can't count on gold to act as ballast in your portfolio. (forbes.com)
- He said once the economic recovery picks up more momentum, inflation would follow and gold may become attractive again. (cnbc.com)
- Gold knows that if the Fed tries to throttle inflation back down, they will launch a cascade of subprime lending implosions far beyond what we have already seen. (ritholtz.com)
- If you're looking to secure your retirement from inflation or diversify your investment portfolio, establishing a Michigan gold IRA account is an option that should be taken into consideration. (google.com)
QuantiFERON5
- Additionally, NHANES participants were secondarily screened with an FDA-approved blood test, QuantiFERON ® -TB Gold In Tube test (QFT-GIT), for TB infection. (cdc.gov)
- The QuantiFERON ® -TB Gold IT test is a test for Cell Mediated Immune (CMI) responses to petide antigens that simulate mycobacterial proteins. (cdc.gov)
- The QuantiFERON ® -TB Gold IT system uses specialized blood collection tubes, which are used to collect whole blood via venipuncture, which include a Nil control tube, TB Antigen tube and a Mitogen tube (positive control). (cdc.gov)
- The effect of heterophile antibodies in the QuantiFERON ® -TB Gold IT ELISA is minimized by the addition of normal mouse serum to the green diluent and the use of F(ab')2 monoclonal antibody fragments as the IFN-γ capture antibody coated the microplate wells. (cdc.gov)
- On May 2, 2005, a new in vitro test, QuantiFERON ® -TB Gold (QFT-G, manufactured by Cellestis Limited, Carnegie, Victoria, Australia), received final approval from the U.S. Food and Drug Administration (FDA) as an aid in diagnosing Mycobacterium tuberculosis infection, including both latent tuberculosis infection (LTBI) and tuberculosis (TB) disease. (cdc.gov)
Alloys6
- Gold also dissolves in mercury, forming amalgam alloys, and as the gold acts simply as a solute, this is not a chemical reaction. (wikipedia.org)
- Common colored gold alloys include the distinctive eighteen-karat rose gold created by the addition of copper. (wikipedia.org)
- Alloys containing palladium or nickel are also important in commercial jewelry as these produce white gold alloys. (wikipedia.org)
- Fourteen-karat gold-copper alloy is nearly identical in color to certain bronze alloys, and both may be used to produce police and other badges. (wikipedia.org)
- Fourteen- and eighteen-karat gold alloys with silver alone appear greenish-yellow and are referred to as green gold. (wikipedia.org)
- 22, 2021 Chemists quantify the release mechanism of silver ions from gold-silver nanoparticle alloys. (sciencedaily.com)
Deposition2
- Here we report on implementation of high throughput gold electrodeposition for selective deposition of metal seed particles in arrays defined by lithography for nanowire synthesis. (lu.se)
- We find that nanowire synthesis, as well as the material properties of the grown nanowires are comparable and quite independent of the gold deposition technique. (lu.se)
Commodities3
- Following last week's terror attacks in Paris, oil has been getting seemingly more attention than usual, but the persistently strong U.S. dollar has been a drag on most commodities, including gold and other precious metals . (foxbusiness.com)
- CPM Group is an independent commodities research and investment banking company, and its annual forecast is widely followed by the gold market. (cnbc.com)
- Investors continued to move away from commodity-intensive emerging markets and into developed economies, a trend that affects most commodities outside gold, he said. (cnbc.com)
Atoms2
- This color is determined by the frequency of plasma oscillations among the metal's valence electrons, in the ultraviolet range for most metals but in the visible range for gold due to relativistic effects affecting the orbitals around gold atoms. (wikipedia.org)
- The atoms of gold in this mine in Uzbekistan may have originated in colliding neutron stars and supernovas. (nasa.gov)
19.31
- The 19.25 gm/cubic cm. density of Tungsten is very, very close to the 19.3 density of Gold. (softpanorama.org)
2,0002
- The bullion banks are becoming increasingly concerned about their short positions as the price of gold closed very close to a major upside breakout above $2,000 and the price of silver continues to surge toward the $25 level. (kingworldnews.com)
- Gold Star Finance offers fixed-rate personal loans that range from $2,000 to $50,000 and have terms of three to five years. (google.com)
20211
- The 2021 GOLD Report is available for download here . (medicalnewstoday.com)
Particles4
- larger particles of colloidal gold are blue. (wikipedia.org)
- Both the Sun from above and terrestrial weather from below can change the types, numbers, and characteristics of the particles found here - and GOLD helps track those changes. (nasa.gov)
- III-V Nanowire Synthesis by Use of Electrodeposited Gold Particles. (lu.se)
- We investigate the morphology, crystallography, and optical properties of InP and GaAs nanowires grown from electrodeposited gold seed particles and compare them with the properties of nanowires grown from seed particles defined by thermal evaporation of gold. (lu.se)
Precious metals6
- Hence this month's sell-off may be akin to the move by Japanese households to sell gold in late 2011 ahead of new reporting rules for precious-metals dealers. (forbes.com)
- You didn't need to be a private individual, nor keep your gold at home, to lose precious metals in the 1930s. (forbes.com)
- Unlike traditional accounts, which only contain paper assets, this Precious Metals IRA is supported by genuine silver and gold. (google.com)
- To help you find the perfect precious metals IRA, we have thoroughly reviewed some of the most reputable gold IRA companies . (google.com)
- We have extensively researched the fees, customer service, selection of precious metals, IRAs offered, and security practices to ensure you find the best gold IRA company for your retirement investments. (google.com)
- Suppose you want to set up a gold IRA or alternative kinds of precious metals IRAs. (google.com)
Investors8
- Chatter in the trading rooms says some gold owners fear a punitive U.S. tax hike in New Year 2013, with the Obama government targeting precious-metal investors. (forbes.com)
- Not all U.S. gold investors are Republicans, but very few are Democrats in our experience here at BullionVault . (forbes.com)
- NEW YORK , May 6, 2019 /PRNewswire/ -- Retail investors are rolling in the green, with fifty percent pulling money from other investments in order to capitalize on the opportunities to participate in the cannabis gold rush. (prnewswire.com)
- What investors want to know most is just how long the gold party can endure. (forbes.com)
- Gold investors may very likely sell off some of their winnings and then reinvest the gains in higher yielding assets, like stocks . (forbes.com)
- Today the top trends forecaster in the world predicted that as investors across the globe continue to dump dollars, the price of gold will soar. (kingworldnews.com)
- Increasing supply versus a bigger global pool of investors for gold are combining to put a floor under the market, and prices are expected to remain firm, without the parabolic rallies of the recent past. (cnbc.com)
- The CPM report notes that while some of the underlying fears that drove investors into gold are still present including, uncertain economic conditions. (cnbc.com)
Search3
- Search for caves and caverns, dig through the hard rocks and get your gold. (steampowered.com)
- Set up a track and go on an amazing journey in search of gold! (steampowered.com)
- They search for gold nuggets on the bottom - a rather dangerous occupation that can lead to injuries or even death. (rt.com)
ETFs3
- Besides, gold already attracts the higher 28% rate of capital-gains tax in the U.S., since it is deemed a "collectible," and this even applies to accounting for gains in popular ETFs like the GLD and IAU. (forbes.com)
- With the SPDR Gold Trust (ETF) (NYSE:GLD), the world's largest gold-backed ETF, down 5.7 percent over the past month and trading within pennies of its 52-week low, it is not surprising that gold miners ETFs are being thrashed. (foxbusiness.com)
- As is to be expected, leveraged gold miners ETFs are volatile. (foxbusiness.com)
Mining11
- Gold dissolves in alkaline solutions of cyanide, which are used in mining and electroplating. (wikipedia.org)
- Build your mines, expand your mining tunnels and look for hidden gold mines! (steampowered.com)
- Today the spot price of gold hit an all-time high as the price of silver continued to surge along with the mining stocks. (kingworldnews.com)
- BUCKLE UP: Silver & Gold Are Now In Blastoff Mode Along With The Mining Stocks! (kingworldnews.com)
- On the heels of the recent historic despair that engulfed the gold, silver, and mining share markets, look at what is unfolding. (kingworldnews.com)
- KEY CHARTS: Turk Says Gold, Silver And Mining Stocks Ready To Launch! (kingworldnews.com)
- Peru is the sixth largest producer of gold in the world, and Madre de Dios is home to one of the largest independent gold mining industries in the world. (nasa.gov)
- Mining is the main cause of deforestation in the region, and it also can cause mercury pollution from the gold-extraction process. (nasa.gov)
- Gold mining pits line the rivers and cut into the rainforest. (nasa.gov)
- Despite the record high prices last year, demand for gold jewelry was higher, offsetting in part, increased supplies from mining operations. (cnbc.com)
- The authors' Malaria in French Guiana final questioning of our eligibility for resources is a nonsci- Linked to Illegal Gold Mining entific opinion. (cdc.gov)
Reactive1
- Is gold reactive to oxygen? (answers.com)
Elemental1
- Gold often occurs in free elemental (native state), as nuggets or grains, in rocks, veins, and alluvial deposits. (wikipedia.org)
1930s1
- Gold coins ceased to be minted as a circulating currency in the 1930s, and the world gold standard was abandoned for a fiat currency system after the Nixon shock measures of 1971. (wikipedia.org)
Miners2
- The Direxion Daily Gold Miners Bull 3X Shares ( Direxion Shares Exchange Traded Fund Trust (NYSE:NUGT)) and its small-cap counterpart, the Direxion Daily Junior Gold Miners Index Bull 3x Shares ( Direxion Shares Exchange Traded Fund Trusts (NYSE:JNUG)) are two members of Wednesday's ETF all-time low club. (foxbusiness.com)
- Conversely, traders yanked $26.2 million from the Direxion Daily Gold Miners Bear 3X Shares ( Direxion Shares Exchange Traded Fund Trust (NYSE:DUST)), more than was pulled from any other leveraged Direxion ETF Tuesday, according to issuer data. (foxbusiness.com)
Monetary2
- In the past, a gold standard was often implemented as a monetary policy. (wikipedia.org)
- But with gold still central to the monetary system, many governments were looking to acquire more. (forbes.com)
Silver5
- White gold refers to an alloy of gold and other white metals such as silver, palladium, or nickel. (sciencedaily.com)
- Two important collapses are taking place as the price of silver continues to surge and gold threatens its all-time high. (kingworldnews.com)
- Today 53 year market veteran James Turk told King World News these are the key levels to watch for gold and silver as they blastoff and begin their journey to all-time highs. (kingworldnews.com)
- Today 50 year market veteran James Turk told King World News that the recent surge in gold and silver has them ready to blastoff to the upside. (kingworldnews.com)
- No matter whether silver, gold or platinum, every precious metal, no matter how valuable, reacts to external influences. (etsy.com)
Prices10
- Sprott says central banks are maintaining a torrid pace when it comes to gold buying, propelling gold prices to a new all-time high before backing off. (kingworldnews.com)
- 1) If gold prices ever shoot through the roof (as the seller sites keep hinting at) I'd expect the US government to politely invite you to sell them your stocks. (softpanorama.org)
- Gold prices tend to move higher when people are afraid. (cnn.com)
- Gold prices should remain high this year but are unlikely to rise above the record levels reached in 2011, according to CPM Group. (cnbc.com)
- If CPM Group is right in its forecast, that would put gold into a consolidation phase after a decade of continuously higher prices. (cnbc.com)
- Gold prices are up. (bing.com)
- Bad news for 'gold-bugs' - bullion's current beginning-of-the-year rally will not only lose steam, but prices could drop sharply by the end of 2014, according to Goldman Sachs' Jeffrey Currie. (cnbc.com)
- Gold prices ballooned in the years since the 2008 financial crisis, driving prices to record highs thanks to ultra-low interest rates from the Federal Reserve's economic stimulus programs. (cnbc.com)
- Prices dropped last year amid fears the Fed would scale down those programs earlier than expected, but a weaker-than-expected December employment report re-ignited interest in gold last week. (cnbc.com)
- Meanwhile, Gold futures edged higher earlier today, as rising crude-oil prices and a weaker dollar underpinned demand for the precious metal. (ritholtz.com)
Commonly2
- Less commonly, addition of manganese, indium, and other elements can produce more unusual colors of gold for various applications. (wikipedia.org)
- Gold IRA companies commonly charge fees for their assistance, which covers the expenses related to setting up your account, keeping it safe and secure over time, and safeguarding your valuable metals. (google.com)
Bullion2
- Western households were blocked from owning gold bullion for 30 years and more after the end of WWII. (forbes.com)
- We're not just talking about investment-grade bullion, and not just gold belonging to private citizens either. (forbes.com)
Leaf1
- Gold leaf can be beaten thin enough to become semi-transparent. (wikipedia.org)
Latin1
- Gold is a chemical element with the symbol Au (from Latin aurum 'gold') and atomic number 79. (wikipedia.org)
Absorb2
- Their method, known as four-wave mixing microscopy, flashes light that the gold nanoparticles absorb. (sciencedaily.com)
- Gold know that the slowing economy would not absorb more rate hikes particularly well. (ritholtz.com)
PAYDAY12
- Gold Edition includes: Main Game SEASON PASS (12 months) Dark Sterling mask Skull of Liberty Mask Gold Slate Gloves PAYDAY 3 is the much anticipated sequel to one of the most popular co-op shooters ever. (xbox.com)
- Gold Star Finance payday loans are one of the most common types of loans that people take out. (google.com)
- Applying for Gold Star Finance payday loans is a relatively simple process. (google.com)
- Gold Star Finance payday loans are designed to help you cover unexpected expenses or financial emergencies. (google.com)
- To be approved for a payday loan from Gold Star Finance, you must have a steady source of income and a valid checking account. (google.com)
- Gold Star Finance payday loans are a great way to get the cash you need in a short amount of time. (google.com)
- Gold Star Finance offer competitive rates for payday loans. (google.com)
- Gold Star Finance have a simple online application process for payday loans. (google.com)
- Gold Star Finance deposit the money from your payday loan directly into your bank account. (google.com)
- Gold Star Finance is an online lender that offers payday loans with competitive interest rates and flexible repayment terms. (google.com)
- You can also compare Gold Star Finance's payday loans with other options to see if it's the right fit for you. (google.com)
- Gold Star Finance payday loans are high-interest, short-term loans that are typically due on the borrower's next payday. (google.com)
Synthesis1
- Gold alters immunoglobulins, decreasing prostaglandin synthesis and lysosomal enzyme activity. (medscape.com)
Titans2
- Everything you need to know as the Penrith Panthers take on the Brisbane Broncos in the NRL grand final, and the Newcastle Knights look to go back-to-back as NRLW premiers when they meet the Gold Coast Titans in the women's decider. (abc.net.au)
- Before this weekend, the Gold Coast Titans had never made a grand final in any competition, but on Sunday, with their NRLW team looking for a piece of history that would last forever, that's all about to change. (abc.net.au)
Colors1
- The rose gold and gold colors are so beautiful! (sephora.com)
Main3
- Mr. Green was an English gold-digger, and was travelling along the main road to his home at Spitzcop. (dictionary.com)
- Considering the cost of fabricating such devices, substrate reuse and gold consumption are the main concerns. (lu.se)
- A gold evaporator is permanently maintained in the 'Prep Main' chamber. (lu.se)
20201
- A total of around 201,296 tonnes of gold exists above ground, as of 2020[update]. (wikipedia.org)
Reputable3
- We want you to know that we aim to provide you with a trusted source for finding a reputable gold IRA company. (google.com)
- Selecting our list of the five most reputable gold IRA companies entailed thoroughly surveying each firm's Better Business Bureau scores and reviews. (google.com)
- Gold Star Finance is a reputable and affordable online lender that offers personal loans to cover a variety of expenses, including debt consolidation, credit card refinancing, home improvement, moving, vacations, and more. (google.com)
World7
- Gold Coast local Zoe Seitz was born profoundly deaf, however now she can't imagine a world without sound. (abc.net.au)
- How Much Gold is Left in the World? (discovery.com)
- Today Michael Oliver, the man who is well known for his deadly accurate forecasts on stocks, bonds, and major markets, communicated to King World News that an emotional 24 hours of trading ushered in a $100 trading range in the gold market. (kingworldnews.com)
- King World News repeatedly reported in recent weeks that the price of gold was headed to a new all-time high. (kingworldnews.com)
- India's Manavjit Singh Sandhu produced some excellent shooting to clinch the men's trap gold medal ahead of two-time Olympic champion Michael Diamond at the ISSF Shotgun World Cup in Tucson, US. (deccanherald.com)
- The 37-year-old former world champion shot a score of 121 in the qualification round to make it to the final and shot 13 in contrast to Diamond's 9 to nail the gold. (deccanherald.com)
- NSW, I have no doubt, has the gold-standard contact-tracing system not just in Australia but in the world," he told Sky News on June 24. (smh.com.au)
Dense1
- GOLD scientists are particularly interested in the cause of dense, unpredictable bubbles of charged gas that appear over the equator and tropics, sometimes causing communication problems. (nasa.gov)
Highs1
- On the heels of gold surging to all-time highs hitting $2,138 at one point, it appears that hope everything is okay with the global economy and banking system is beginning to die. (kingworldnews.com)
Years1
- Over the 20 years previous, their gold had been variously nationalized, compulsorily purchased and stolen. (forbes.com)
Reflects1
- The transmitted light appears greenish-blue because gold strongly reflects yellow and red. (wikipedia.org)
System4
- The GOLD Report also uses another classification system, which involves lettered groups. (medicalnewstoday.com)
- Objective: This ex vivo research study aims to evaluate ex vivo the amount of remaining gutta -percha during canal retreatment of lower premolars single-rooted using WaveOne Gold system compared with Protaper R system. (bvsalud.org)
- Materials and methods: 52 mandibular premolars were selected and randomly divided into 2 groups (n = 26), according to the retreatment techniques, which are: WaveOne Gold system (group 1) and ProTaper R system (group 2). (bvsalud.org)
- 0.01).Conclusion: ProTaper R system was more effective in removing gutta-percha compared with WaveOne Gold system. (bvsalud.org)
Currency1
- Russia is going to preside over the BRICS starting in January and will push for a gold-backed currency that will be a global game-changer. (kingworldnews.com)
Back2
- The buying was so intense in the gold market and the upside action so violent that it required the Fed's massive trading room to intervene before the price would back off. (kingworldnews.com)
- Why does your gold ring turn black then back to gold in a few days? (answers.com)
Price of gold5
- Moreover, the price of gold crashed in March of this year-though not as much as stocks -when the market panic was at its worst. (forbes.com)
- Well, the price of gold soared in overseas trading, hitting $2,152 at one point. (kingworldnews.com)
- The price of gold, however, continues to trade above the previous all-time high. (kingworldnews.com)
- After gold ended at the highest monthly closing price in history in November, the price of gold is now only $7 from making a new all-time high. (kingworldnews.com)
- Soros, known as the "man who broke the Bank of England," also acquired 1.1 million options to buy the popular SPDR Gold ETF ( GLD ) , which mirrors the price of gold. (cnn.com)
Claim1
- Parker's thirst for gold pushes him to open a third claim. (discovery.com)
Ounces2
- Rick's landlord demands 50 ounces of gold by the end of the week. (discovery.com)
- According to CPM's release, central banks continued to be net buyers of gold last year adding 12.7 million ounces of the yellow metal to its inventories or about 2.6 million ounces less than were added in 2010. (cnbc.com)
Resistant1
- Gold is resistant to most acids, though it does dissolve in aqua regia (a mixture of nitric acid and hydrochloric acid), forming a soluble tetrachloroaurate anion. (wikipedia.org)
High2
- ALERT: Gold Threatens All-Time High, Trading At $2,068! (kingworldnews.com)
- Last year, Christian correctly forecast the price action for the precious metal even as gold reached its nominal record high of $1,920.70 on an intraday basis in August, 2011. (cnbc.com)
Jewelry1
- In addition to gold, cash and jewelry and any other valuables they might come across, you'll be able to build a sizable collection of weapons, cosmetics and accolades. (xbox.com)
Certification1
- The new building was the first in the Region to receive the first LEED (Leadership in Energy and Environmental Design) gold certification. (who.int)
Find1
- Equip yourself with the necessary equipment that will allow you to find gold in any area. (steampowered.com)
Yellow1
- Whereas most metals are gray or silvery white, gold is slightly reddish-yellow. (wikipedia.org)
Economy2
- I get it all the time - 'Why are you bearish on gold when you expect the U.S. economy to recover? (cnbc.com)
- Gold also knows that the FED can't throw the economy a lifeline by easing, either. (ritholtz.com)
Metal4
- Chemically, gold is a transition metal and a group 11 element. (wikipedia.org)
- Talk long enough with financial professionals, and eventually you'll come around to the tautology at the heart of gold: This metal has value because people think it has value. (forbes.com)
- Why Alchemists were not successful to turn metal into gold? (answers.com)
- Alchemists could not turn metal into gold because gold is an element. (answers.com)
Standard3
- The Bank for International Settlement had been established in 1930 to try and manage the fast-collapsing international Gold Standard. (forbes.com)
- You could be forgiven for thinking that Sydneysider Scott Morrison is giving his Liberal-governed home town the gold-standard treatment during its lockdown, compared with the alleged cut-price job Victorians received from the Commonwealth during its latest closure. (smh.com.au)
- In a gold-standard way, you'd imagine. (smh.com.au)