期刊
ENZYME AND MICROBIAL TECHNOLOGY
卷 48, 期 4-5, 页码 319-325出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.enzmictec.2011.01.005
关键词
Nanoparticles; Fluorescence; TEM; PHB; Immobilization
资金
- CSIR [9/1012 (0002) 2K10-EMR-I]
- Department of Biotechnology, Ministry of Science and Technology, Government of India, New Delhi [BT/PR-10211/BCE/08/615/2007]
Here an attempt was made to biologically synthesize fluorescent cadmium sulfide nanoparticles and to immobilize the synthesized nanoparticles in PHB nanoparticles. The present study uses Brevibacterium casei SRKP2 as a potential producer for the green synthesis of CdS nanoparticles. Biologically synthesized nanoparticles were characterized and confirmed using electron microscopy and XRD. The size distribution of the nanoparticles was found to be 10-30 nm followed by which the consequence of time, growth of the organism, pH, concentration of CdCl(2) and Na(2)S on the synthesis of nanoparticles were checked. Enhanced synthesis and fluorescence emission of CdS nanoparticles were achieved at pH 9. The synthesized CdS NPs were immobilized with PHB and were characterized. The fluorescent intensity of the CdS nanoparticles remained unaffected even after immobilization within PHB nanoparticles. (C) 2011 Elsevier Inc. All rights reserved.
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