Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Reexamination Certificate
2011-06-21
2011-06-21
Sines, Brian J (Department: 1772)
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
C422S050000, C422S069000, C422S082010, C422S082020, C436S043000, C436S063000, C436S064000
Reexamination Certificate
active
07964144
ABSTRACT:
A biosensor device (1) providing an analysis platform for detecting cell growth, comprising of an aluminium nitride (AlN) base (2), a shear horizontal-surface acoustic wave (SH-SAW) resonator including an input transducer (4) and an output transducer (5) symmetrically positioned on the aluminum nitride (AlN) base (2), a counter electrode (6) positioned parallel to working electrodes (7) on the aluminum nitride (AlN) base (2), for transmitting frequency voltage towards the living cell (3), a plurality of working electrodes (7) positioned beneath the living cell (3) on the aluminium nitride (AlN) base (2) for receiving frequency voltage from the living cell (3), an impedance analyzer (8) for receiving impedance readings from the counter electrode (6) and working electrodes (7), and a back-etched silicon substrate (9) coupled to the aluminium nitride (AlN) base (2), for reducing current loss, wherein the living cell (3) is positioned in between of the input transducer and output transducer on the aluminium nitride (AlN) base (4).
REFERENCES:
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patent: 7394180 (2008-07-01), Okaguchi et al.
patent: 2005/0043894 (2005-02-01), Fernandez
Ibrahimy Muhammad Ibn
Mel Maizirwan
Nordin Anis Nurashikin
Voiculescu Ioana Rodica
City College of New York
International Islamic University Malaysia
Sines Brian J
Smith , Gambrell & Russell, LLP
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