Physics A-Level
Chemical labelling and organ specificity
What Chemical labelling and organ specificity means in Physics A-Level, as defined for AQA.
Definition of Chemical labelling and organ specificity
Check what you remember
Read the wording for your board, then hide it and explain Chemical labelling and organ specificity in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The isotope must be capable of being chemically bound to a compound that has an affinity for the organ of interest, so the tracer accumulates at the target site.
Topics that use Chemical labelling and organ specificity
- Imaging techniques (A-level only) (AQA A-Level)
Related terms
- Balance of half-life against patient dose
- Gamma photon energy and detector efficiency
- Penetrating power and external detection
- Repeated elution and regrowth
- Chemical form and labelling
- On-site supply of short-lived tracers
Using Chemical labelling and organ specificity in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Physics A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge