A radioactive isotope of sulfur; for example, 35S.
Farlex Partner Medical Dictionary © Farlex 2012
radioactive sulphurAny of the radioactive isotopes of sulphur, of which 35S is used to tag nucleic acids and is preferable to 32P as it has a longer half-life (88 days), a lower energy and bands on gels more precise.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.