| D009608 |
Nitrous Acid |
Nitrous acid (HNO2). A weak acid that exists only in solution. It can form water-soluble nitrites and stable esters. (From Merck Index, 11th ed) |
Acid, Nitrous |
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| D009930 |
Organic Chemicals |
A broad class of substances containing carbon and its derivatives. Many of these chemicals will frequently contain hydrogen with or without oxygen, nitrogen, sulfur, phosphorus, and other elements. They exist in either carbon chain or carbon ring form. |
Organic Chemical,Chemical, Organic,Chemicals, Organic |
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| D011134 |
Polysaccharides |
Long chain polymeric CARBOHYDRATES composed of MONOSACCHARIDES linked by glycosidic bonds. |
Glycan,Glycans,Polysaccharide |
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| D011506 |
Proteins |
Linear POLYPEPTIDES that are synthesized on RIBOSOMES and may be further modified, crosslinked, cleaved, or assembled into complex proteins with several subunits. The specific sequence of AMINO ACIDS determines the shape the polypeptide will take, during PROTEIN FOLDING, and the function of the protein. |
Gene Products, Protein,Gene Proteins,Protein,Protein Gene Products,Proteins, Gene |
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| D002244 |
Carbon |
A nonmetallic element with atomic symbol C, atomic number 6, and atomic weight [12.0096; 12.0116]. It may occur as several different allotropes including DIAMOND; CHARCOAL; and GRAPHITE; and as SOOT from incompletely burned fuel. |
Carbon-12,Vitreous Carbon,Carbon 12,Carbon, Vitreous |
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| D005232 |
Fatty Acids, Volatile |
Short-chain fatty acids of up to six carbon atoms in length. They are the major end products of microbial fermentation in the ruminant digestive tract and have also been implicated in the causation of neurological diseases in humans. |
Fatty Acids, Short-Chain,Short-Chain Fatty Acid,Volatile Fatty Acid,Acid, Short-Chain Fatty,Acid, Volatile Fatty,Fatty Acid, Short-Chain,Fatty Acid, Volatile,Fatty Acids, Short Chain,Short Chain Fatty Acid,Short-Chain Fatty Acids,Volatile Fatty Acids |
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| D005285 |
Fermentation |
Anaerobic degradation of GLUCOSE or other organic nutrients to gain energy in the form of ATP. End products vary depending on organisms, substrates, and enzymatic pathways. Common fermentation products include ETHANOL and LACTIC ACID. |
Fermentations |
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| D001709 |
Biotechnology |
Body of knowledge related to the use of organisms, cells or cell-derived constituents for the purpose of developing products which are technically, scientifically and clinically useful. Alteration of biologic function at the molecular level (i.e., GENETIC ENGINEERING) is a central focus; laboratory methods used include TRANSFECTION and CLONING technologies, sequence and structure analysis algorithms, computer databases, and gene and protein structure function analysis and prediction. |
Biotechnologies |
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| D012722 |
Sewage |
Refuse liquid or waste matter carried off by sewers. |
Sludge,Sludge Flocs |
|
| D057919 |
Biological Oxygen Demand Analysis |
Testing for the amount of biodegradable organic material in a water sample by measuring the quantity of oxygen consumed by biodegradation of those materials over a specific time period. |
Biological Oxygen Demand,Biological Oxygen Demand Analyses,Chemical Oxygen Demand,Chemical Oxygen Demand Analyses,Chemical Oxygen Demand Analysis,Demand, Chemical Oxygen,Oxygen Demand, Biological,Oxygen Demand, Chemical |
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