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Classification Home | About the NLM Classification | Outline | Index | Cataloging Home | MeSH Browser |
QS
QT
QU
QV
QW
QX
QY
QZ
W
WA
WB
WC
WD
WE
WF
WG
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WM
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WP
WQ
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WS
WT
WU
WV
WW
WX
WY
WZ
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Biochemistry. Cell Biology and Genetics | |
QU 1-54 Reference Works. General Works | |
QU 55-70 Proteins. Amino Acids. Peptides | |
QU 75-99 Carbohydrates. Lipids | |
QU 100-133 Biochemistry of the Human Body | |
QU 135-144 Enzymes | |
QU 145-220 Vitamins | |
QU 300-500 Cell Biology and Genetics | |
QU 300-375 Cells | |
QU 450-500 Genetics | |
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QU 1 |
Organizations. Societies (General or not elsewhere classified)
(Cutter from name of organization or society)
(Used for both monographs and serials) |
QU 4 |
General works
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Collected works (General) | |
QU 5 |
By several authors
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QU 7 |
By individual authors
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QU 9 |
Addresses. Essays. Lectures (General)
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QU 11 |
History
(Table G)
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QU 11.1 |
General coverage
(Not Table G)
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QU 13 |
Dictionaries. Encyclopedias
(Used for both monographs and serials) |
QU 15 |
Classification. Terminology
(Used for both monographs and serials) |
QU 16 |
Tables. Statistics
(Used for both monographs and serials) |
Classify nutrition tables or food value tables in QU 145-145.5.
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QU 17 |
Atlases. Pictorial works
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QU 18 |
Education
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Classify here works about education.
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QU 18.2 |
Educational materials
(Used for both monographs and serials) |
Classify here educational materials, e.g., outlines, questions and answers, programmed instruction, catalogs, computer-assisted instruction, etc., regardless of format. Classify textbooks, regardless of format, by subject.
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QU 20 |
Research (General)
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Classify here works about research in general. Classify works about research on a particular subject by subject.
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QU 21 |
Biochemistry as a profession. Cell biology and genetics as a profession. Ethics. Peer review
|
QU 22 |
Directories
(Table G)
(Used for both monographs and serials) |
QU 22.1 |
General coverage
(Not Table G)
(Used for both monographs and serials) |
Laboratories, academies, institutes, etc. | |
QU 23 |
Collective
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QU 24 |
Individual
(Cutter from name of institution)
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QU 25 |
Laboratory manuals. Technique
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QU 26 |
Equipment and supplies
(Used for both monographs and serials) |
Classify catalogs here.
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QU 26.5 |
Informatics. Automatic data processing. Computers (General)
|
Classify works on use for special subjects by subject.
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Museums, exhibitions, etc. | |
QU 28.5 |
Collective
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QU 28.6 |
Individual
(Cutter from name of institution)
|
QU 32 |
Laws
(Table G)
(Used for both monographs and serials) |
QU 32.1 |
General coverage
(Not Table G)
(Used for both monographs and serials) |
QU 33 |
Discussion of law
(Table G)
(Used for both monographs and serials) |
QU 33.1 |
General coverage
(Not Table G)
(Used for both monographs and serials) |
QU 34 |
Biochemical phenomena (General or not elsewhere classified)
|
Classify here works on binding sites, diffusion, energy transfer, osmosis, etc., when related to biochemistry in general.
| |
QU 39 |
Handbooks. Resource guides
(Used for both monographs and serials) |
QU 50 |
Chemistry of food substances (General)
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QU 54 |
Nitrogen and related compounds (General or not elsewhere classified)
|
Classify works on nitrogen compounds that work primarily on a particular body system in QV.
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QU 55 |
Proteins (General or not elsewhere classified)
|
Classify here works on proteins in general or those in foods. Classify works on proteins that work primarily on a particular body system in QV; on those that are localized, by site, e.g., eye proteins in WW 101; on those that are enzymes or coenzymes in QU 135-141 or with the system acted upon; on blood proteins in WH or in clinical pathology QY 455; on immunoglobulins in QW 601; on other immunoproteins in appropriate QW number.
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QU 55.2 |
Carrier proteins. Intracellular signaling peptides and proteins. Intercellular signaling peptides and proteins
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QU 55.3 |
Cytoskeletal proteins. Scleroproteins
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QU 55.4 |
Dietary proteins
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QU 55.5 |
Glycoproteins
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QU 55.6 |
Heat-shock proteins. Molecular chaperones
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QU 55.7 |
Membrane proteins. Cell surface receptors
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QU 55.8 |
Metalloproteins
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QU 55.9 |
Protein phenomena
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QU 56 |
Nucleoproteins
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QU 57 |
Nucleosides. Nucleotides
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QU 58 |
Nucleic acids and derivatives (General or not elsewhere classified)
|
Classify works on derivatives acting on blood and blood formation in QV 185.
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QU 58.5 |
DNA
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QU 58.7 |
RNA
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QU 60 |
Amino acids (General or not elsewhere classified)
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QU 61 |
Amines. Amidines (General or not elsewhere classified)
|
QU 62 |
Amides (General or not elsewhere classified)
|
QU 65 |
Heterocyclic compounds associated with amino acid synthesis and metabolism
(e.g., Allantoin. Indoleacetic acids) |
QU 68 |
Peptides (General or not elsewhere classified)
|
QU 70 |
Nitrogen fixation
|
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QU 75 |
Carbohydrates
|
Cf. QY 470 under Blood chemistry.
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QU 83 |
Polysaccharides and derivatives
(e.g., Dextrins. Glycogen) |
QU 84 |
Sugar acids and their salts and esters (General or not elsewhere classified)
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QU 85 |
Lipids (General or not elsewhere classified)
|
Cf. QY 465 under Blood chemistry.
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QU 86 |
Fats. Oils
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QU 87 |
Lipotropic agents
|
Classify works on methionine in QU 60.
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QU 90 |
Fatty acids
|
QU 93 |
Phospholipids
(e.g., Phosphatidylethanolamines) |
QU 95 |
Sterols
(e.g., Cholesterol) |
QU 98 |
Carboxylic acids and their salts and esters (General or not elsewhere classified)
|
QU 99 |
Aldehydes (General or not elsewhere classified)
|
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QU 100 |
Body composition
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QU 105 |
Body fluids
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Classify here works on acid-base equilibrium, hydrogen-ion concentration, and water-electrolyte balance in body fluids. Cf. WD 220 Water-electrolyte imbalance, etc.
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QU 107 |
Growth substances. Growth inhibitors (General or not elsewhere classified)
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QU 110 |
Biological pigments (General or not elsewhere classified)
|
QU 120 |
Metabolism
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Classify works on metabolism of a particular substance with the substance, e.g., Metabolism of proteins in QU 55.
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QU 125 |
Energy metabolism. Calorimetry
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QU 130 |
Inorganic substances (General or not elsewhere classified)
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Cf. QY 480 under Blood chemistry.
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QU 130.5 |
Trace elements
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QU 131 |
Organometallic compounds. Organophosphorus compounds. Organothiophosphorus compounds (General or not elsewhere classified)
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QU 133 |
Colloids (General or not elsewhere classified)
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QU 135 |
Enzymes. Coenzymes (General or not elsewhere classified)
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QU 136 |
Hydrolases (General or not elsewhere classified)
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QU 137 |
Isomerases (General or not elsewhere classified)
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QU 138 |
Ligases (General or not elsewhere classified)
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QU 139 |
Lyases (General or not elsewhere classified)
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QU 140 |
Oxidoreductases (General or not elsewhere classified)
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QU 141 |
Transferases (General or not elsewhere classified)
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QU 142 |
Enzyme precursors (General or not elsewhere classified)
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QU 143 |
Enzyme inhibitors (General or not elsewhere classified)
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QU 144 |
Enzyme reactivators (General or not elsewhere classified)
|
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QU 145 |
Nutrition. Nutritional requirements
|
Classify works on infant nutrition in WS 115-125; on child nutrition in WS 115-130; on geriatric nutrition in WT 115.
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QU 145.5 |
Nutritive values of food
|
QU 146 |
Nutritional surveys
(Table G)
|
QU 146.1 |
General coverage
(Not Table G)
|
QU 160 |
Vitamins. Vitamin requirements
|
QU 165 |
Fat soluble vitamins
|
QU 167 |
Vitamin A, A1, etc.
|
QU 173 |
Vitamin D, D2, etc.
|
QU 179 |
Vitamin E
|
QU 181 |
Vitamin K
|
QU 185 |
Water soluble vitamins
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QU 187 |
Vitamin B complex (General)
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QU 188 |
Folic acid
|
QU 189 |
Thiamine
|
QU 191 |
Riboflavin
|
QU 193 |
Nicotinic acids. Nicotinamide
|
QU 194 |
Vitamin B12
|
QU 195 |
Other factors associated with B vitamins
(e.g., Aminobenzoic acid. Biotin) |
Classify works on choline and inositol in QU 87.
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QU 210 |
Ascorbic acid
|
QU 220 |
Other vitamins
|
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QU 300 |
General works
|
Cf. QY 95 Cytological techniques. Classify works on cells of a particular tissue or organ with the tissue or organ.
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QU 325 |
Stem cells
|
Include here general works on stem cell transplantation. Classify works on a specific stem cell with the cell.
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QU 328 |
Embryonic stem cells
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QU 350 |
Cellular structures
|
QU 375 |
Cell physiology
|
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QU 450 |
General works
|
Cf. QZ 52 Clinical genetic techniques
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QU 470 |
Genetic structures
|
QU 475 |
Genetic processes
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QU 477 |
Pathologic genetic processes
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QU 500 |
Genetic phenomena
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Questions or Comments: custserv@nlm.nih.gov |