Synthesis of CdSe/PMMA nanocomposite and its application in nitric oxide detection

Yun-ming Zhong; Li-yun Ding; Jun Huang; Da-peng Li

doi:10.1117/12.900553

8 September 2011 Synthesis of CdSe/PMMA nanocomposite and its application in nitric oxide detection

Yun-ming Zhong, Li-yun Ding, Jun Huang, Da-peng Li

Proceedings Volume 8191, International Symposium on Photoelectronic Detection and Imaging 2011: Sensor and Micromachined Optical Device Technologies; 819119 (2011) https://doi.org/10.1117/12.900553
Event: International Symposium on Photoelectronic Detection and Imaging 2011, 2011, Beijing, China

Abstract

Nitric Oxide (NO) is a biological messenger molecule involved in multiple physiological processes, which plays an important role in the regulation of blood pressure, immune response, and neural communication. A novel fluorescent probe CdSe/PMMA nanocomposite was synthesized by a simple physical blending method for trace NO detecting. It was confirmed that the CdSe QDs are spherical and monodispersed in PMMA matrix adopting transmission electron microscopy and UV-Vis absorption spectroscopy. The sensitivity of CdSe/PMMA nanocomposite for NO detection and its optical properties were also investigated. The fluorescence intensity of CdSe/PMMA nanocomposite was obvious quenching in the presence of NO and the quenching mechamism was also discussed.

Citation Download Citation

Yun-ming Zhong, Li-yun Ding, Jun Huang, and Da-peng Li "Synthesis of CdSe/PMMA nanocomposite and its application in nitric oxide detection", Proc. SPIE 8191, International Symposium on Photoelectronic Detection and Imaging 2011: Sensor and Micromachined Optical Device Technologies, 819119 (8 September 2011); https://doi.org/10.1117/12.900553

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