Recombinant E. Coli As a biofactory for the biosynthesis of diverse nanomaterials

ScienceDaily | 5/23/2018 | Staff
joyy (Posted by) Level 3
The study analyzed the nanomaterial biosynthesis conditions using a Pourbaix diagram to predict the producibility and crystallinity. Researchers studied a Pourbaix diagram to predict the stable chemical species of each element for nanomaterial biosynthesis at varying levels of reduction potential (Eh) and pH. Based on the Pourbaix diagram analyses, the initial pH of the reaction was changed from 6.5 to 7.5, resulting in the biosynthesis of various crystalline nanomaterials that were previously amorphous or not synthesized.

This strategy was extended to biosynthesize multi-element nanomaterials. Various single and multi-element nanomaterials biosynthesized in this research can potentially serve as new and novel nanomaterials for industrial applications such as catalysts, chemical sensors, biosensors, bioimaging, drug delivery, and cancer therapy.

Research - Group - PhD - Candidate - Yoojin

A research group consisting of PhD candidate Yoojin Choi, Associate Professor Doh Chang Lee, and Distinguished Professor Sang Yup Lee of the Department of Chemical and Biomolecular Engineering at KAIST and Associate Professor Tae Jung Park of the Department of Chemistry at Chung-Ang University reported the synthesis. This study, entitled "Recombinant Escherichia coli as a biofactory for various single- and multi-element nanomaterials," was published online in the Proceedings of the National Academy of Sciences of the United States of America (PNAS) on May 21.

A recent successful biosynthesis of nanomaterials under mild conditions without requiring physical and chemical treatments has...
(Excerpt) Read more at: ScienceDaily
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