| D007664 |
Ketosteroids |
Steroid derivatives formed by oxidation of a methyl group on the side chain or a methylene group in the ring skeleton to form a ketone. |
Oxosteroids |
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| D002855 |
Chromatography, Thin Layer |
Chromatography on thin layers of adsorbents rather than in columns. The adsorbent can be alumina, silica gel, silicates, charcoals, or cellulose. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
Chromatography, Thin-Layer,Thin Layer Chromatography,Chromatographies, Thin Layer,Chromatographies, Thin-Layer,Thin Layer Chromatographies,Thin-Layer Chromatographies,Thin-Layer Chromatography |
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| D003903 |
Deuterium |
The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. |
Deuterons,Hydrogen-2,Hydrogen 2 |
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| D004962 |
Estranes |
A group of compounds forming the nucleus of the estrogenic steroid family. |
19-Norandrostanes,19 Norandrostanes |
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| D006914 |
Hydroxysteroids |
Steroids in which one or more hydroxy groups have been substituted for hydrogen atoms either within the ring skeleton or on any of the side chains. |
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| D001407 |
Bacillus |
A genus of BACILLACEAE that are spore-forming, rod-shaped cells. Most species are saprophytic soil forms with only a few species being pathogenic. |
Bacillus bacterium |
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| 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 |
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| D014316 |
Tritium |
The radioactive isotope of hydrogen also known as hydrogen-3. It contains two NEUTRONS and one PROTON in its nucleus and decays to produce low energy BETA PARTICLES. |
Hydrogen-3,Hydrogen 3 |
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