Method for filtration assaying of isotope-labelled particulate s

Details Method for filtration assaying of isotope-labelled particulate s Method for filtration assaying of isotope-labelled particulate s

1991-05-08

1993-12-07

Housel, James C.

Chemistry: analytical and immunological testing

Including use of radioactive properties

436166, 436177, 436178, 436542, 436804, 250362, 250364, G01N 2177, G01T 120

Patent

active

052683010

ABSTRACT:
A method for filtration assaying a particulate sample labelled with low-energy radioactive isotopes measurable by scintillation counting. The method aspect of the invention includes the step of providing a sample comprising sample particles labelled with low-energy radioactive isotopes in a liquid medium. Scintillant particles are added to the liquid medium. The sample is then filtered with a filter medium adapted to retain the sample particles and the particles of scintillant, such that after filtration the sample particles are each surrounded by scintillant. A photodetector is then used to detect light emitted by the scintillant on the filter medium.

REFERENCES:
patent: 4271139 (1981-06-01), Hart
patent: 4298796 (1981-11-01), Warner et al.
patent: 4451434 (1984-05-01), Hart
patent: 4562158 (1985-12-01), Schellenberg
patent: 4728792 (1988-03-01), Warner et al.
patent: 4916320 (1990-04-01), Wunderly et al.

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