Apparatus for conducting measurements of electrochemiluminescent

Details Apparatus for conducting measurements of electrochemiluminescent Apparatus for conducting measurements of electrochemiluminescent

1988-11-03

1991-10-29

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Chemiluminescent

250361C, 307228, 328181, 328185, 340781, 359 85, G01N 2176

Patent

active

050614452

ABSTRACT:
An apparatus for conducting measurements of electrochemiluminescent (ECL) phenomena includes a cell unit having an electrode configuration for inducing the emission of ECL light by the application of a selected voltage waveform to a sample fluid including an ECL moiety. The sample fluid is transported to and from the cell unit by a flow-through pump/tubing system. A photomultiplier tube detects the intensity of light emitted by the sample fluid during the ECL measurement process. A computer control unit both analyzes the detected data and provides digital control signals to the cell unit to generate effective voltage waveforms. The digital control signals are supplied to a novel pulse width modulated digital to analog converter which outputs a ramp voltage waveform having the desired slope.

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Y. Ikariyama et al., Biochemical and Biophysical Research Comm., vol. 128, No. 2, pp. 987-992, 4/30/85.

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