This invention relates to a semiconductor substrate having a porous surface and to the amperometric receptor-based sensors formed with the substrate. More specifically, this invention pertains to the substrate in the form of a bipolar junction transistor having a porous hydrophilic surface directly on its base wherein the surface forms a support for an amperometric sensor. The invention also pertains to the methods of making and using the substrate and sensor.
申请公布号
US5111221(A)
申请公布日期
1992.05.05
申请号
US19900544442
申请日期
1990.06.27
申请人
UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY