Electrochemical biosensor strip

Details Electrochemical biosensor strip Electrochemical biosensor strip

2008-01-08

2008-01-08

Noguerola, Alex (Department: 1795)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S403020, C204S403140

Reexamination Certificate

active

11138403

ABSTRACT:
An electrochemical biosensor strip has a base, an electrode system, an optional spacer and a cover. The electrode system is laid on the base. The spacer is laid on the electrode system and exposes a portion of the electrode system for electrical connection with a meter and a different portion of the electrode system for application of a test reagent. The cover is covered on the spacer to form a cavity. Between the test reagent and the base, a hydrophilic layer is laid between them for increasing the binding effect of the test reagent on the base. The hydrophilic layer is laid on the area excluding from the electrode system and laid on the electrode system about 50% to 0% of the electrode system corresponding to the test reagent. The hydrophilic layer will not interfere with signal transmission of the electrode system so the test is more accurate.

REFERENCES:
patent: 6451372 (2002-09-01), Hasegawa et al.
patent: 6814843 (2004-11-01), Bhullar et al.
patent: 6827829 (2004-12-01), Kawanaka et al.
patent: 6942770 (2005-09-01), Cai et al.
patent: 2004/0178067 (2004-09-01), Miyazaki et al.
patent: 2004-4017 (2004-01-01), None
JPO English language translation of Shuzo et al. (JP 2004-004017 A).

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