Biologically synthesized fluorescent CdS NPs encapsulated by PHB |
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Authors: | Pandian Sureshbabu Ram Kumar Deepak Venkataraman Kalishwaralal Kalimuthu Gurunathan Sangiliyandi |
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Institution: | Division of Molecular and Cellular Biology, Department of Biotechnology & Chemical Engineering, Kalasalingam University, Anand Nagar, Krishnankoil - 626 126, Tamil Nadu, India. |
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Abstract: | 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. |
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