Biomaterial Database

B H Woollen, and J D Mahler

Analytical Chemistry Section, Imperial Chemical Industries PLC, Nr. Macclesfield, Cheshire, UK.

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
D010269	Paraquat	A poisonous dipyridilium compound used as contact herbicide. Contact with concentrated solutions causes irritation of the skin, cracking and shedding of the nails, and delayed healing of cuts and wounds.	Methyl Viologen,Gramoxone,Paragreen A,Viologen, Methyl
D011726	Pyridinium Compounds	Derivatives of PYRIDINE containing a cation C5H5NH or radical C5H6N.	Compounds, Pyridinium
D004178	Diquat	A contact herbicide used also to produce desiccation and defoliation. (From Merck Index, 11th ed)	Diquat Dibromide,Dibromide, Diquat
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man