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Electrical detection of immobilized proteins with ungated high-electron-mobility Transistors
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10.1063/1.1994951
/content/aip/journal/apl/87/2/10.1063/1.1994951
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/2/10.1063/1.1994951
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Figures

Image of FIG. 1.
FIG. 1.

(Color) Structure of APS (3-Aminopropyl) triethoxysilane (top left), surface functionalization before chemical modification (top center), and after chemical modification (top right). A schematic of the gateless HEMT whose surface is functionalized in the gate region is shown at bottom.

Image of FIG. 2.
FIG. 2.

(Color) Fluorescent photographs of biotinylated probes on chemically treated a GaN surface (left) and nonbiotinated surface (right).

Image of FIG. 3.
FIG. 3.

SEM micrographs of amine-functionalized GaN surfaces reacted with biotin NHS and then blocked and exposed to either streptavidin (left) or BSA-coated (right) nanoparticles.

Image of FIG. 4.
FIG. 4.

(Color) Change in HEMT drain-source current as a result of interaction between biotin (sulfo-NHS-biotin) and streptavidine introduced to the gateless HEMT surface.

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/content/aip/journal/apl/87/2/10.1063/1.1994951
2005-07-08
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Electrical detection of immobilized proteins with ungated AlGaN∕GaN high-electron-mobility Transistors
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/2/10.1063/1.1994951
10.1063/1.1994951
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