Patent · US Expired

Chromatographic separation device

US4891120A · kind A · utility

136Cited by
8References
8Claims
0Family size

Inventors

Key dates

Filing dateApr 12, 1988
Grant dateJan 2, 1990
Priority date
Expiry dateApr 12, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2030/285
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A chromatographic separation device comprises a body 2 of a semiconductor material which body has a longitudinal channel 1 formed in a surface thereof, the channel 1 being capable of containing a predetermined volume of a liquid or solid material for a chromatography test or separation procedure, the channel carrying at least one electrode 6 positioned intermediate the channel ends. The semiconductor body may additionally support an electronic or optical sensor 8 arranged in line with said channel 1 to provide an integrated detection system.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.