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Descriptor in English: Isotopes
Descriptor in Spanish: Isótopos
Descriptor in Portuguese: Isótopos
Descriptor in French: Isotopes
Tree number(s): D01.496
SP4.097.078
Scope note: Atomic species differing in mass number but having the same atomic number. (Grant & Hackh's Chemical Dictionary, 5th ed)
Annotation: for stable isotopes only; GEN: avoid as IM; NIM as coord; Manual 25.20+; m for metastable = RADIOISOTOPES or specific pre-coord radioisotope
Allowable Qualifiers: AD administration & dosage
AE adverse effects
AG agonists
AI antagonists & inhibitors
AN analysis
BL blood
CF cerebrospinal fluid
CH chemistry
CL classification
CS chemical synthesis
EC economics
HI history
IM immunology
IP isolation & purification
ME metabolism
PD pharmacology
PK pharmacokinetics
PO poisoning
RE radiation effects
SD supply & distribution
ST standards
TO toxicity
TU therapeutic use
UR urine
Online Note: search RADIOISOTOPES 1966-73
History Note: 74; was see under RADIOISOTOPES 1963-73
See also the descriptors: Radioisotopes MeSH
DeCS UI: 7723
Descriptor UI: D007554
Date Established: 1974/01/01
Date of Entry: 1999/01/01
Revision Date: 2000/06/22
Isotopes - Preferred
Concept UI M0011806
Scope note Atomic species differing in mass number but having the same atomic number. (Grant & Hackh's Chemical Dictionary, 5th ed)
Preferred term Isotopes



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