en

isotopic labelling

1

Terminological databases

Keemiaterminite baas

ID 655346 Last modified 15.12.2023
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  • märgistus, mille ainsaks tulemuseks on produkti esialgsest erinev isotoopkoostis
  • labelling in which the resulting product is only different from the initial one by its isotopic composition
isotopic labelling

Metroloogia terminibaas

ID 619307 Last modified 09.01.2024
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Domain metrologymeasuring procedures
isotoopmärgend preferred
isotoopmärgistus
isotopic labeling preferred
isotopic labelling
  • tehnika, mida kasutatakse isotoobi (aatomi, mille neutronite arv on tuvastatava muutusega) liikumise jälgimiseks reaktsiooni, metaboolse raja või raku kaudu, kusjuures reagent on „märgistatud“, asendades spetsiifilised aatomid nende isotoobiga tekitades nn isotoopindikaatori
  • technique used to track the passage of an isotope (an atom with a detectable variation in neutron count) through a reaction, metabolic pathway, or cell, and the reactant is 'labeled' by replacing specific atoms by their isotope
  • technique used to track the passage of an isotope (an atom with a detectable variation in neutron count) through chemical reaction, metabolic pathway, or a biological cell
isotoopmärgend preferred
Usage examples
  • Isotoopmärgendi kasutamise üheks näiteks on fenooli uurimine vees, asendades tavalise vesiniku deuteeriumiga, seejuures fenooli lisamisel deuteeritud veele täheldatakse fenooli hüdroksüülrühmas vesiniku deuteeriumi asendamist (mille tulemuseks on C6H5OD), mis näitab, et fenool läbib veega kergesti vesinikuvahetusreaktsioone.
isotoopmärgistus
isotoopindikaator variant
isotopic labeling preferred
Usage examples
  • An example of the use of isotopic labeling is the study of phenol in water by replacing common hydrogen with deuterium, whereat upon adding phenol to deuterated water, the substitution of deuterium for the hydrogen is observed in phenol's hydroxyl group (resulting in C6H5OD), indicating that phenol readily undergoes hydrogen-exchange reactions with water.
isotopic labelling
isotopic indicator variant

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