Electrophoretic measurement system including means for determini

Details Electrophoretic measurement system including means for determini Electrophoretic measurement system including means for determini

1973-11-12

1976-01-13

Mack, John H.

Chemistry: electrical and wave energy

Apparatus

Coating, forming or etching by sputtering

204180G, 204180R, 204195, B01K 500

Patent

active

039322645

ABSTRACT:
An electrophoretic measurement system for isotachophoresis includes a potential gradient detector, an impedance converter, a voltage to frequency converter, a signal transmission system composed of, for example, electromagnetic wave transmitter means and its receiver spaced therefrom, frequency to voltage converter means, in series connection. This arrangement facilitates insulation of the sensing electrodes of the detector from the ground and prevents a formation of bubbles and deposits on the electrodes, so that the electrophoresis processes are performed under stable condition and high resolution and high sensitivity are obtained. Besides a higher migration current can be used to shorten analysis time.

REFERENCES:
patent: 3594294 (1971-07-01), Pretorius et al.
patent: 3725232 (1973-04-01), Pretorius et al.
patent: 3759816 (1973-09-01), Pretorius et al.
patent: 3788969 (1974-01-01), DiStefano et al.
Duckworth, "Electricity and Magnetism," Holt, Rinehart, and Winston, N.Y., 1961, pp. 159 & 160.

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