| ultracentrifuge | A high-speed centrifuge (up to 100,000 rpm) by means of which large molecules, e.g., of protein or nucleic acids, are caused to sediment at practicable rates; used for determinations of molecular weights, separation of large molecules, criteria of homogeneity of large molecules, conformational studies, etc. (05 Mar 2000) |
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| analytical | Of or pertaining to analysis; resolving into elements or constituent parts; as, an analytical experiment; analytic reasoning; opposed to synthetic. Analytical or coordinate geometry. See Geometry. Analytic language, a noninflectional language or one not characterised by grammatical endings. Analytical table, a table in which the characteristics of the species or other groups are arranged so as to facilitate the determination of their names. Origin: Gr., cf. F. Analytique. See Analysis. Source: Websters Dictionary (01 Mar 1998) |
| analytical chemistry | <study> The branch of chemistry that deals with the quantitative and qualitative identification of substances. (10 Jan 1998) |
| analytical psychology | The theory of psychopathology and the practice of psychotherapy, according to the principles of Jung, which utilises a system of psychology and psychotherapy emphasizing man's symbolic nature, and differs from freudian psychoanalysis especially in placing less significance upon instinctual (sexual) urges. Synonym: analytical psychology. (05 Mar 2000) |
| analytical sensitivity | The degree of response to a change in concentration of analyte being measured in an assay; synonymous with the detection limit. (05 Mar 2000) |
| analytical specificity | Freedom from interference by any element or compound other than the analyte. (05 Mar 2000) |
| chemistry, analytical | The branch of chemistry dealing with detection (qualitative) and determination (quantitative) of substances. (12 Dec 1998) |