Sample concentrator

Details Sample concentrator Sample concentrator

1977-03-25

1979-07-03

Prescott, Arthur C.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204180S, 204180P, 204180G, 204299R, 424 12, G01N 2740, G01N 2726, G01N 2728

Patent

active

041599330

ABSTRACT:
To concentrate a material by separating it from a diluting medium, the combination of the material and medium is placed in one of two wells in the bottom of a plastic sample concentrator cell, with each well being closed at its bottom end by a different cellophane membrane in contact with a buffer solution in a different one of two buffer compartments. A buffer solution also connects the combination of material and medium in one well and the cellophane bottom of the other well within the sample concentration cell through a recess in the bottom of the sample concentration cell. A potential is applied across the two buffer compartments to cause the material to migrate by electrophoresis from the medium in one well, through the buffer in the sample concentrating cell and into the other well, where it is concentrated against the cellophane membrane for easy removal by pipetting.

REFERENCES:
patent: 3470080 (1969-09-01), Raymond et al.
patent: 3533933 (1970-10-01), Strauch
patent: 3579433 (1971-05-01), Dahlgren
patent: 3616454 (1971-10-01), Levy et al.
patent: 3640813 (1972-02-01), Nerenberg
patent: 3674678 (1972-07-01), Post, Jr. et al.
patent: 3720593 (1973-03-01), Juhos

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