Biomining of MoS2 with Peptide-based Smart Biomaterials

Scientific Reports
Sibel CetinelCarlo Montemagno

Abstract

Biomining of valuable metals using a target specific approach promises increased purification yields and decreased cost. Target specificity can be implemented with proteins/peptides, the biological molecules, responsible from various structural and functional pathways in living organisms by virtue of their specific recognition abilities towards both organic and inorganic materials. Phage display libraries are used to identify peptide biomolecules capable of specifically recognizing and binding organic/inorganic materials of interest with high affinities. Using combinatorial approaches, these molecular recognition elements can be converted into smart hybrid biomaterials and harnessed for biotechnological applications. Herein, we used a commercially available phage-display library to identify peptides with specific binding affinity to molybdenite (MoS2) and used them to decorate magnetic NPs. These peptide-coupled NPs could capture MoS2 under a variety of environmental conditions. The same batch of NPs could be re-used multiple times to harvest MoS2, clearly suggesting that this hybrid material was robust and recyclable. The advantages of this smart hybrid biomaterial with respect to its MoS2-binding specificity, robust performan...Continue Reading

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Citations

Apr 16, 2019·Biotechnology and Bioengineering·Lina ApitiusUlrich Schwaneberg
May 6, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Maral AminpourJack A Tuszynski
Dec 22, 2020·Journal of Controlled Release : Official Journal of the Controlled Release Society·Namdev DhasTejal Mehta
Feb 27, 2021·Journal of Hazardous Materials·Nora SchönbergerKatrin Pollmann
Jul 20, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Linhao SunYuhei Hayamizu
Aug 2, 2019·The Journal of Physical Chemistry. B·Leili ZhangRuhong Zhou
Sep 25, 2021·The Journal of Physical Chemistry. B·Robert CcorahuaYuhei Hayamizu

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Methods Mentioned

BETA
phage display
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fluorescence microscopy
chips
X-ray
pull-down

Software Mentioned

LAMMPS
MoS
Prism
VMD
Graphite
GraphPad

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