| D002621 |
Chemistry |
A basic science concerned with the composition, structure, and properties of matter; and the reactions that occur between substances and the associated energy exchange. |
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| D002734 |
Chlorophyll |
Porphyrin derivatives containing magnesium that act to convert light energy in photosynthetic organisms. |
Phyllobilins,Chlorophyll 740 |
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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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| D004952 |
Esters |
Compounds derived from organic or inorganic acids in which at least one hydroxyl group is replaced by an –O-alkyl or another organic group. They can be represented by the structure formula RCOOR’ and are usually formed by the reaction between an acid and an alcohol with elimination of water. |
Ester |
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| D005204 |
Farnesol |
A colorless liquid extracted from oils of plants such as citronella, neroli, cyclamen, and tuberose. It is an intermediate step in the biological synthesis of cholesterol from mevalonic acid in vertebrates. It has a delicate odor and is used in perfumery. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed) |
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| D012241 |
Rhodopseudomonas |
A genus of gram-negative, rod-shaped, phototrophic bacteria found in aquatic environments. Internal photosynthetic membranes are present as lamellae underlying the cytoplasmic membrane. |
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| D012242 |
Rhodobacter sphaeroides |
Spherical phototrophic bacteria found in mud and stagnant water exposed to light. |
Rhodopseudomonas sphaeroides,Rhodobacter spheroides,Rhodopseudomonas spheroides |
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| D012246 |
Rhodospirillum |
A genus of gram-negative, spiral bacteria that possesses internal photosynthetic membranes. Its organisms divide by binary fission, are motile by means of polar flagella, and are found in aquatic environments. |
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| D012247 |
Rhodospirillum rubrum |
Vibrio- to spiral-shaped phototrophic bacteria found in stagnant water and mud exposed to light. |
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| D013057 |
Spectrum Analysis |
The measurement of the amplitude of the components of a complex waveform throughout the frequency range of the waveform. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) |
Spectroscopy,Analysis, Spectrum,Spectrometry |
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