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A highly sensitive L-glutamate biosensor based on glutamate oxidase (GLOx) has been fabricated on N-(3-dimethylaminopropyl)-N'-ethylcarbodiimide hydrochloride (EDC) activated thioglycolic acid (TGA) self assembled monolayer (SAM) on smart-biochips, where K3Fe(CN)6 and TGA-SAM are used as a mediator and an enzyme immobilization matrix, respectively. The glutamate biosensor displayed a fast response,...
We have proposed a growth technique of various lengths, 2-4 mum diameter, conductive-silicon micowire arrays, by repeated vapor-liquid-solid (VLS) growth of n-type silicon, using Au as the growth catalyst and a mixture gas of 1% PH3 with 100% Si2H6 as the silicon gas source. We obtained a longer 100 mum-length silicon wire by both the first growth of 50 mum-length wire and an additional growth of...
Vapor-liquid-solid (VLS) growth, using Si2H6 as the gas source of Si, can be used to realize intrinsic Si microprobe arrays, which could be doped by diffusion process (at 1100degC) after VLS growth. But in this work we have demonstrated that by incorporating in-situ doping using the gas source of Si2H6 and PH3 with VLS growth process, doped n-Si microprobes can be realized directly at a temperature...
In this study, a CMOS process-compatible MOSFET-type biosensor with a built-in Ag/AgCI thin film reference electrode have been fabricated on the same chip. Au was used as the gate metal of the MOSFET-type biosensor in order to immobilize biomolecules. Electrical characteristics of the MOSFET-type biosensor is quite stable and similar to the characteristics of the biosensor with the conventional Ag/AgCI...
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