Biomaterial Database

Separation of drugs by packed column supercritical fluid chromatography. 2. Antidepressants. 1994

T A Berger, and W H Wilson

Hewlett Packard Company, Wilmington, DE 19808.

Antidepressants can be rapidly and efficiently separated by packed-column supercritical fluid chromatography with a tertiary mobile phase. Ten antidepressants were nearly baseline resolved in < 6 min without programming. Calculated detection limits with a 5-microL injection volume were as low as 88 ppb. The effects of temperature, pressure, and modifier concentration on retention and selectivity were studied. Changing modifier concentration caused significant changes in selectivity. Several relationships between solute structure and selectivity changes were noted.

UI	MeSH Term	Description	Entries
D007202	Indicators and Reagents	Substances used for the detection, identification, analysis, etc. of chemical, biological, or pathologic processes or conditions. Indicators are substances that change in physical appearance, e.g., color, at or approaching the endpoint of a chemical titration, e.g., on the passage between acidity and alkalinity. Reagents are substances used for the detection or determination of another substance by chemical or microscopical means, especially analysis. Types of reagents are precipitants, solvents, oxidizers, reducers, fluxes, and colorimetric reagents. (From Grant & Hackh's Chemical Dictionary, 5th ed, p301, p499)	Indicator,Reagent,Reagents,Indicators,Reagents and Indicators
D011312	Pressure	A type of stress exerted uniformly in all directions. Its measure is the force exerted per unit area. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)	Pressures
D002853	Chromatography, Liquid	Chromatographic techniques in which the mobile phase is a liquid.	Liquid Chromatography
D000928	Antidepressive Agents	Mood-stimulating drugs used primarily in the treatment of affective disorders and related conditions. Several MONOAMINE OXIDASE INHIBITORS are useful as antidepressants apparently as a long-term consequence of their modulation of catecholamine levels. The tricyclic compounds useful as antidepressive agents (ANTIDEPRESSIVE AGENTS, TRICYCLIC) also appear to act through brain catecholamine systems. A third group (ANTIDEPRESSIVE AGENTS, SECOND-GENERATION) is a diverse group of drugs including some that act specifically on serotonergic systems.	Antidepressant,Antidepressant Drug,Antidepressant Medication,Antidepressants,Antidepressive Agent,Thymoanaleptic,Thymoanaleptics,Thymoleptic,Thymoleptics,Antidepressant Drugs,Agent, Antidepressive,Drug, Antidepressant,Medication, Antidepressant
D013056	Spectrophotometry, Ultraviolet	Determination of the spectra of ultraviolet absorption by specific molecules in gases or liquids, for example Cl2, SO2, NO2, CS2, ozone, mercury vapor, and various unsaturated compounds. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)	Ultraviolet Spectrophotometry
D013696	Temperature	The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms.	Temperatures