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Top view of the packaged sensor.
Schematic illustration of the surface functionalization and probe DNA immobilization.
UV-Vis absorption measurement of the ssDNA, hybridized dsDNA, and the effect of DNA melting in solution. Inset: XPS spectra for MUA SAM on gold.
Time resolved response of the probe immobilized device upon the introduction of 3 base pair mismatched and complementary target DNA. Inner graphic: Ids-Vds measurements of the device before and after probe immobilization.
Schematic cross-section of the AlGaN/GaN HEMT depicting a capacitive model for the distribution of ions in a DNA buffer solution.
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