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Effects of culture conditions of Pseudomonas aeruginosa strain RB on the synthesis of CdSe nanoparticles

Paper ID Volume ID Publish Year Pages File Format Full-Text
20233 43164 2015 6 PDF Available
Title
Effects of culture conditions of Pseudomonas aeruginosa strain RB on the synthesis of CdSe nanoparticles
Abstract

Cadmium selenide (CdSe) was synthesized by Pseudomonas aeruginosa strain RB in a culture containing lactic acid as a carbon source, 1 mM selenite, and 1 mM cadmium under various conditions. High purity (1.02–1.16 of the atomic ratio of Se to Cd) and efficient synthesis of biogenic CdSe nanoparticles were observed at 25–30°C, 0.05–10 g L−1 NaCl, and neutral pH conditions compared with other tested conditions. However, the size and shape of synthesized CdSe nanoparticles were not changed by changing culture conditions. The contents of S and Se in the particles respectively increased under alkaline and weak acidic conditions. Furthermore, high temperature (>37°C), high salinity (>10 g L−1 NaCl), and alkaline pH affected the CdSe–synthesizing rate by strain RB. This report is the first optimizing the culture conditions for synthesizing biogenic CdSe nanoparticles in a batch processing.

Keywords
Pseudomonas aeruginosa; Cadmium selenide nanoparticles; Selenite reduction; Cadmium resistance; Optimization
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Effects of culture conditions of Pseudomonas aeruginosa strain RB on the synthesis of CdSe nanoparticles
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Bioscience and Bioengineering - Volume 119, Issue 4, April 2015, Pages 440–445
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us