Detection of target species in a sample or liquid flow using dio

Details Detection of target species in a sample or liquid flow using dio Detection of target species in a sample or liquid flow using dio

1995-01-17

1996-05-07

Housel, James C.

Chemistry: analytical and immunological testing

Involving an insoluble carrier for immobilizing immunochemicals

73 6141, 73 6171, 204113, 204400, 204403, 324 7611, 422 8201, 422 8202, 4352872, 4352871, 435817, 436149, 436150, 436524, 436525, 436806, 436807, G01N 33543

Patent

active

055146015

ABSTRACT:
A method of and apparatus for the presence of a target species in a sample taken from or consisting of a mixture of species, comprising the steps of introducing one or more electrical diodes into the mixture prior to taking the sample from the mixture, in such a manner that the presence of diodes in the sample is dependent on the presence of the target species in the sample; passing an alternating electrical signal having a known waveform through the sample; and detecting the modification of the waveform of the signal emerging from the sample due to the presence of the diode or diodes in the sample.

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RCA Designer's Handbook, "Solid-State Power Circuits", Technical Series SP-52, Sep. 1971.

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