2007 NSTI Nanotechnology Conference and Trade Show - Nanotech 2007 - 10th Annual

Qdots as smart pH probes monitor proton flux driven by ATP synthesis and optical coder for detection various virus

Y. Jiachang
Institute of Biophysics, Chinese Academy of Sciences, CN

Keywords:
CdTe quantum dots, optical coder detection, F1F0-ATPase

Abstract:
Here we described a novel approach of CdTe quantum dots fluorescence probes to improve the detection of proton flux through F1F0-ATP by ATP synthesis. It was found that both the CdTe quantum dots (535nm, 585nm) was attached on chromatophores, respectively, was not only dependent on each of them, but also the micro environment interfering was a little (about 5-6%), if in the presence of 100 time gradient. So that CdTe quantum dots used as the smart pH probes monitoring proton flux driven by ATP synthesis for detection various virus simultaneously. Furthermore, a model of steady Double Diffused Layer of CdTe quantum dots on surface of chromatophores was proposed. If would be so, it would be extended to optical coder detection of various viruses in late.

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