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|Title:||Phage based green chemistry for gold ion reduction and gold retrieval|
|Citation:||Setyawati, M.I., Xie, J., Leong, D.T. (2014-01-22). Phage based green chemistry for gold ion reduction and gold retrieval. ACS Applied Materials and Interfaces 6 (2) : 910-917. ScholarBank@NUS Repository. https://doi.org/10.1021/am404193j|
|Abstract:||The gold mining industry has taken its toll on the environment, triggering the development of more environmentally benign processes to alleviate the waste load release. Here, we demonstrate the use of bacteriophages (phages) for biosorption and bioreduction of gold ions from aqueous solution, which potentially can be applied to remediate gold ions from gold mining waste effluent. Phage has shown a remarkably efficient sorption of gold ions with a maximum gold adsorption capacity of 571 mg gold/g dry weight phage. The product of this phage mediated process is gold nanocrystals with the size of 30-630 nm. Biosorption and bioreduction processes are mediated by the ionic and covalent interaction between gold ions and the reducing groups on the phage protein coat. The strategy offers a simple, ecofriendly and feasible option to recover of gold ions to form readily recoverable products of gold nanoparticles within 24 h. © 2013 American Chemical Society.|
|Source Title:||ACS Applied Materials and Interfaces|
|Appears in Collections:||Staff Publications|
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