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In medical diagnosis, test sensitivity is the ability of a test to correctly identify those with the disease (true positive rate), whereas test specificity is the ability of the test to correctly identify those without the disease (true negative rate). If 100 patients known to have a disease were tested, and 43 test positive, then the test has ...
The College Scholastic Ability Test or CSAT (Korean: 대학수학능력시험; Hanja: 大學修學能力試驗), also abbreviated Suneung (수능; 修能), is a standardised test which is recognised by South Korean universities. The Korea Institute of Curriculum and Evaluation (KICE) administers the annual test on the third Thursday in November.
In chemistry, a chemical test is a qualitative or quantitative procedure designed to identify, quantify, or characterise a chemical compound or chemical group. Purposes
PSA is a commonly used medicinal chemistry metric for the optimization of a drug's ability to permeate cells. Molecules with a polar surface area of greater than 140 angstroms squared (Å 2) tend to be poor at permeating cell membranes. [1]
While this is a useful approximation of druggability, this definition has limitations for two main reasons: (1) it highlights only historically successful proteins, ignoring the possibility of a perfectly druggable, but yet undrugged protein family; and (2) assumes that all protein family members are equally druggable. [citation needed]
The reagent is typically provided in two parts: [2] [1] [3] A mixture of 2% sodium nitroprusside and 2% acetaldehyde in water (solution A) [4] A solution of 2% sodium carbonate in water (solution B) [4] Separate storage of the aldehyde and base are necessary to prevent aldol polymerisation of the aldehyde.
IC 50 is a quantitative measure that indicates how much of a particular inhibitory substance (e.g. drug) is needed to inhibit, in vitro, a given biological process or biological component by 50%. [1] The biological component could be an enzyme, cell, cell receptor or microbe. IC 50 values are typically expressed as molar concentration.
Chemical specificity is the ability of binding site of a macromolecule (such as a protein) to bind specific ligands. The fewer ligands a protein can bind, the greater its specificity. Specificity describes the strength of binding between a given protein and ligand.