Meaning Assay
What does Assay mean? Here you find 87 meanings of the word Assay. You can also add a definition of Assay yourself

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An assay is an analysis done to determine: The presence of a substance and the amount of that substance. Thus, an assay may be done for example to determine the level of thyroid hormones in the blood of a person suspected of being hypothyroid (or hyperthyroid). The biological or pharmacological potency of a drug. For example, an assay may be done o [..]
Source: medicinenet.com

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CEA (carcinoembryonic antigen) is a protein found in many types of cells but associated with tumors and the developing fetus. CEA is tested in blood. The normal range is
Source: medicinenet.com

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Neuron-specific enolase (NSE) is a substance that has been detected in patients with certain tumors, namely: neuroblastoma, small cell lung cancer, medullary thyroid cancer, carcinoid tumors, endocrine tumors of the pancreas, and melanoma. Studies of NSE as a tumor marker have concentrated primarily on patients with neuroblastoma and small cell lun [..]
Source: medicinenet.com

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A laboratory test to find and measure the amount of a specific substance.
Source: cancer.gov

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Metal purity test to confirm that the metal meets the standards for trading on a commodities exchange (commodities exchange center).
Source: nasdaq.com

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make an effort or attempt He decided to assay one last project before giving up. — New York Times (Mar 30, 2012)
Source: vocabulary.com

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A type of test that is used to count the number of organisms in a particular sample.
Source: petmd.com

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Procedure used to detect or measure a substance or reaction; test
Source: labtestsonline.org

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c. 1300, "to try, endeavor, strive; test the quality of," from Anglo-French assaier, from assai (n.), from Old French essai "trial" (see essay).
Source: etymonline.com

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"trial, test of quality, test of character," mid-14c., from Anglo-French assai (see assay (v.)). Meaning "analysis" is from late 14c.
Source: etymonline.com

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attempt
Source: en.oxforddictionaries.com

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A qualitative or quantitative analysis of a substance; a test.
Source: hiv.va.gov

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A chemical test performed on a sample of ores or minerals to determine the amount of valuable metals contained.
Source: platts.com

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To analyze the proportions of metals in an ore; to test an ore or mineral for composition, purity, weight, or other properties of commercial interest.
Source: iamgold.com

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n. The chemical analysis or testing of an alloy ore.
Source: easypacelearning.com

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1. trial; 2. test assaye
Source: librarius.com

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  attempt; to learn by experience; to accost (with words of love); to challenge to a trial of skill.
Source: shakespeare-online.com

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 to attempt, test, make proof of.
Source: shakespeare-online.com

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ArrayExpress definition: The term indicates either a single hybridisation in a microarray experiment or a single sequencing run in a HTS experiment.
Source: ebi.ac.uk

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analytical test (pop)
Source: users.ugent.be

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An experiment that is carried out to detect the presence of a chemical or living organism, or to determine the amount of a chemical or living organism.
Source: sciencelearn.org.nz

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1. To test or evaluate.
Source: fao.org

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An investigative test to measure the activity or presence of a particular substance. For example, scientists might use an assay to calculate how quickly an enzyme breaks down a substrate.
Source: bigpictureeducation.com

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A method to analyze or quantify a substance in a sample. An assay is an analysis done to determine: 1. The presence of a substance and the amount of that substance. 2. The biological or pharmacologica [..]
Source: alsa.org

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To test a metal or an oil for purity or quality.
Source: cmegroup.com

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A chemical test performed on a mineral sample to determine the concentration of valuable metal contained.
Source: steelbb.com

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A method for determining the presence or quantity of a component.
Source: hc-sc.gc.ca

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(v) make an effort or attempt(n) an appraisal of the state of affairs(n) a substance that is undergoing an analysis of its components(n) a written report of the results of an analysis of the compo [..]
Source: beedictionary.com

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A laboratory test to find and measure the amount of a specific substance.
Source: carcinoid.org

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Definition: (ASS-say) A laboratory test to find and measure the amount of a specific substance, e.g., prostate-specific antigen (PSA).
Source: phoenix5.org

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A test of the purity or fineness of an alloy, carried out by an official organization.
Source: saffronart.com

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To analyze the proportions of metals in an ore, to test an ore or mineral for composition, purity, weight, or other properties of commercial interest.
Source: mcewenmining.com

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A biological test, measurement or analysis to determine whether compounds have the desired effect either in a living organism, outside an organism, or in an artificial environment.
Source: combichemistry.com

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The quantitative or quantitative evaluation of a hazardous substance; the results of such an evaluation (Last, 1988).
Source: ilo.org

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A test for a specific chemical, microbe, or effect.
Source: infohouse.p2ric.org

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A test for a specific chemical, microbe, or effect.
Source: ehso.com

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A method of measuring the effects of a biologically active substance using an intermediate in vivo or In Vitro Tissue or Cell model under controlled conditions. It includes Virulence studies in Animal [..]
Source: online-medical-dictionary.org

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A Molecular Probe Technique that utilizes branched DNA (bDNA) as a means to amplify the hybridization signal. One end of the bDNA molecule is designed to bind a specific target, while the other end of [..]
Source: online-medical-dictionary.org

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Specific assays that measure the migration of Cells. They are commonly used to measure the migration of immune Cells in response to stimuli and the Inhibition of immune Cell migration by immunosuppres [..]
Source: online-medical-dictionary.org

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Measurements of Light resulting from CHEMILUMINESCENCE.
Source: online-medical-dictionary.org

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A genotoxicological technique for measuring DNA Damage in an individual Cell using single-Cell gel Electrophoresis. Cell DNA fragments assume a "comet with tail" formation on Electrophoresis [..]
Source: online-medical-dictionary.org

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A form of Fluorescent Antibody Technique utilizing a fluorochrome conjugated to an antibody, which is added directly to a Tissue or Cell suspension for the detection of a specific Antigen. (Bennington [..]
Source: online-medical-dictionary.org

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Methods used to measure the relative activity of a specific enzyme or its concentration in solution. Typically an enzyme substrate is added to a buffer solution containing enzyme and the rate of conve [..]
Source: online-medical-dictionary.org

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An Immunoassay utilizing an antibody labeled with an enzyme marker such as Horseradish Peroxidase. While either the enzyme or the antibody is bound to an immunosorbent substrate, they both retain thei [..]
Source: online-medical-dictionary.org

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A method of detection of the number of Cells in a sample secreting a specific molecule. Wtih this method a Population of Cells are plated over top of the immunosorbent substrate that captures the secr [..]
Source: online-medical-dictionary.org

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A screening assay for circulating Complement Proteins. Diluted Serum samples are added to antibody-coated Erythrocytes and the percentage of Cell lysis is measured. The values are expressed by the so [..]
Source: online-medical-dictionary.org

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Rapid methods of measuring the effects of an agent in a biological or chemical assay. The assay usually involves some form of Automation or a way to conduct multiple assays at the same Time using samp [..]
Source: online-medical-dictionary.org

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The use of Fluorescence Spectrometry to obtain quantitative results for the Fluorescent Antibody Technique. One advantage over the other methods (e.g., Radioimmunoassay) is its extreme sensitivity, wi [..]
Source: online-medical-dictionary.org

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Form of Radioimmunoassay in which excess specific labeled antibody is added directly to the test Antigen being measured.
Source: online-medical-dictionary.org

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Sensitive detection methods using Enzymes to indirectly measure substances that would normally be difficult to quantitate.
Source: online-medical-dictionary.org

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A form of Fluorescent Antibody Technique commonly used to detect Serum Antibodies and Immune Complexes in Tissues and microorganisms in specimens from Patients with infectious Diseases. The technique [..]
Source: online-medical-dictionary.org

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The assay of Interferon-gamma released from Lymphocytes after their exposure to a specific test Antigen, to check for Immunologic Memory resulting from a previous exposure to the Antigen. The amount o [..]
Source: online-medical-dictionary.org

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Assays that measure the rate of migration of Leukocytes. They may involve a variety of techniques such as measuring the Movement of Leukocytes through substrates such as AGAROSE Gels or the rate of ex [..]
Source: online-medical-dictionary.org

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Techniques used for determining the values of photometric parameters of Light resulting from Luminescence.
Source: online-medical-dictionary.org

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Induction and quantitative measurement of chromosomal damage leading to the formation of micronuclei (Micronuclei, Chromosome-Defective) in Cells which have been exposed to genotoxic agents or Ionizin [..]
Source: online-medical-dictionary.org

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An electrophoretic technique for assaying the binding of one compound to another. Typically one compound is labeled to follow its mobility during Electrophoresis. If the labeled compound is bound by t [..]
Source: online-medical-dictionary.org

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Techniques for measuring specific nucleic acid interaction with another nucleic acid or with a protein by Digestion of the non-interacting nucleic acid by various nucleases. After all non-interacting [..]
Source: online-medical-dictionary.org

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Ligand-binding assays that measure protein-protein, protein-small molecule, or protein-nucleic acid interactions using a very large set of capturing molecules, i.e., those attached separately on a sol [..]
Source: online-medical-dictionary.org

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Sensitive assay using radiolabeled Antigens to detect specific Antibodies in Serum. The Antigens are allowed to react with the Serum and then precipitated using a special reagent such as Protein A sep [..]
Source: online-medical-dictionary.org

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Quantitative determination of receptor (binding) Proteins in Body Fluids or Tissue using radioactively labeled binding reagents (e.g., Antibodies, intracellular receptors, Plasma binders).
Source: online-medical-dictionary.org

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A performance test based on forced Motor Activity on a rotating rod, usually by a Rodent. Parameters include the riding Time (seconds) or endurance. Test is used to evaluate balance and coordination o [..]
Source: online-medical-dictionary.org

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A cytologic technique for measuring the functional capacity of Stem Cells by assaying their activity.
Source: online-medical-dictionary.org

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In vivo method of screening investigative anticancer Drugs and biologic response modifiers for individual cancer Patients. Fresh Tumor Tissue is implanted under the Kidney capsule of immunocompetent M [..]
Source: online-medical-dictionary.org

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Screening techniques first developed in Yeast to identify Genes encoding interacting Proteins. Variations are used to evaluate interplay between Proteins and other molecules. Two-hybrid techniques ref [..]
Source: online-medical-dictionary.org

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Method for measuring viral infectivity and multiplication in Cultured Cells. Clear lysed areas or plaques develop as the Viral Particles are released from the infected Cells during incubation. With so [..]
Source: online-medical-dictionary.org

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In vivo methods of screening investigative anticancer Drugs, biologic response modifiers or Radiotherapies. Human Tumor Tissue or Cells are transplanted into Mice or Rats followed by Tumor treatment r [..]
Source: online-medical-dictionary.org

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An assay is a test of a metal in which its purity is determined: an assayer has the function of conducting this analysis and usually confirms it by marking a precious mental accordingly.
Source: fiscalagents.com

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A laboratory test to find and measure the amount of a specific substance.
Source: dana-farber.org

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analytic procedure in laboratory medicine, pharmacology, environmental biology, continuous delivery, and molecular biology for qualitatively assessing or quantitatively measuring the presence, amount, [..]
Source: malariavaccine.org

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A quantitative or qualitative evaluation, or test, of a substance.  Frequently used to describe tests of the presence or concentration of infectious agents, antibodies, etc.
Source: poultrymed.com

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Enzyme assays are laboratory methods for measuring enzymatic activity. They are vital for the study of enzyme kinetics and enzyme inhibition.
Source: deerlandenzymes.com

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A method for determining the presence or quantity of a component.
Source: ncbiotech.org

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A test to measure a property or concentration of a substance.
Source: biotechlearn.org.nz

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A procedure for detecting the presence, estimating the concentration, and determining the biological activity of a macromolecule, molecule, ion, or cell. Assays are based on measurable parameters that enable the evaluation of differences between samples and controls. Sensitivity, the ability to detect small amounts of a substance, and specificity, [..]
Source: dddmag.com

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A chemical test performed on a sample of ores or minerals to determine the amount of valuable metals contained.
Source: ormondemining.com

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To analyze the proportions of metals in an ore, to test an ore or mineral for composition, purity, weight, or other properties of commercial interest.
Source: mundoro.com

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A chemical test performed on a rock, soil or vegetation sample to determine the amount of valuable metals contained within.
Source: eastmain.com

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The chemical analysis of an ore, mineral, concentrate of metal to-determine the amount of valuable species. Precious metals are usually given in ounces per short ton or grams per metric tonne, while base metals are given in percentage.
Source: turquoisehill.com

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to analyze (an ore, alloy, etc.) in order to determine the proportion of gold, silver, or other metal in it.
Source: goldbugpark.org

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to attempt, test, make proof of
Source: shakespearehigh.com

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a test for a specific chemical, microbe, or effect.
Source: edwardsaquifer.net

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Process of quantitative or qualitative analysis of a component of a sample or results of a quantitative or qualitative analysis of a component of a sample.
Source: popstoolkit.com

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In general, the qualitative or quantitative analysis of a substance. An assay is a type of experiment that is designed to detect the level of gene expression of a particular gene, or to determine the pattern of expression of a gene among different tissue types, anatomical structures, or developmental stages. The assay may detect one or more of the [..]
Source: emice.nci.nih.gov

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To test a metal or an oil for purity or quality.
Source: enopetroleum.com

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Trial, attempt, essay. * Milton *: I am withal persuaded that it may prove much more easy in the assay than it now seems at distance. Examination and determination; test. * Shakespeare *: This [..]
Source: en.wiktionary.org

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Metal purity test to confirm that the metal meets the standards for trading on a commodities exchange (commodities exchange center).
Source: people.duke.edu

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To subject (a drug) to an analysis for the determination of its potency or composition
Source: inovio.com

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