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assay reagent

См. также в других словарях:

  • Assay — 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 …   Medical dictionary

  • Reagent — A substance used to produce a chemical reaction to detect, measure, produce, etc. other substances. * * * Any substance added to a solution of another substance to participate in a chemical reaction. [Mod. L. reagens] amino acid r. a r. used in… …   Medical dictionary

  • Bradford protein assay — The Bradford protein assay is a spectroscopic analytical procedure used to measure the concentration of protein in a solution. It is subjective, i.e. dependent on the amino acid composition of the measured protein. PrincipleThe Bradford assay, a… …   Wikipedia

  • Folin-Ciocalteu reagent — The Folin Ciocalteu reagent (FCR) or Folin s phenol reagent or Folin Denis reagent is a mixture of phosphomolybdate and phosphotungstate used for the colorimetric assay of phenolic antioxidants and polyphenolic antioxidants. [Singleton VL,… …   Wikipedia

  • Biuret reagent — The Biuret reagent is made of potassium hydroxide (KOH) and copper (II) sulfate (CuSO4), together with potassium sodium tartrate (KNaC4H4O6·4H2O). The blue reagent turns violet in the presence of proteins, and changes to pink when combined with… …   Wikipedia

  • Bicinchoninic acid assay — The bicinchoninic acid assay (also known as the BCA assay or Smith assay) is a biochemical assay for determining the total level of protein in a solution, similar to Lowry protein assay, Bradford protein assay or biuret reagent. The total protein …   Wikipedia

  • Lowry protein assay — The Lowry protein assay, or Lowry Method, is a biochemical test to measure the amount of protein in a sample.Copper(II) ion in alkaline solution reacts with protein to form complexes, which react with the Folin phenol reagent, a mixture of… …   Wikipedia

  • Tetramer assay — A tetramer assay is used to detect the presence of antigen specific T cells. In order for a T cell to detect the peptide to which it is specific, it must both recognize the peptide AND the MHC complex at the surface of a cell it comes into… …   Wikipedia

  • Lowry assay — One of the most commonly used assays for protein content the paper describing it is said to be the most frequently cited in the biological literature. Depends upon the interaction of Folin Ciocalteau reagent with tyrosine or phenylalanine.… …   Dictionary of molecular biology

  • fibrinogen assay — an assay for the level of fibrinogen in a plasma sample; a thrombin reagent is added to the diluted sample and the time needed to form clots is compared with that for a reference containing a known amount of fibrinogen …   Medical dictionary

  • Marion M. Bradford — Nationality United States Fields Biochemistry Known for …   Wikipedia

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