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Title of Journal: Biometals

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Abbravation: BioMetals

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Springer Netherlands

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DOI

10.1007/s11554-016-0639-2

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1572-8773

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Investigation of metal sorption behavior of Slp1 f

Authors: Matthias Suhr Nancy Unger Karen E Viacava Tobias J Günther Johannes Raff Katrin Pollmann
Publish Date: 2014/10/02
Volume: 27, Issue: 6, Pages: 1337-1349
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Abstract

Surface layer proteins Slayer of Lysinibacillus sphaericus JGB53 are biological compounds with several biobased technical applications such as biosorptive materials for metal removal or rare metals recovery from the environment Despite their welldescribed applications a deeper understanding of their metal sorption behavior still remains challenging The metal sorption ability of Au3+ Pd2+ Pt2+ and Eu3+ was investigated by ICPMS AFM and QCMD which enables the sorption detection in realtime during in situ experiments Results indicate a high binding of Pd followed by Au Eu and Pt to the proteins The comparison between different methods allowed a deeper understanding of the metal sorption of isolated Slayer either frees in liquid adsorbed forming a protein layer or as the bacteria surfaceThe present work was partially funded by the BMBFproject BIONA BMBF/DLR 01RB0805A The author of this paper would like to thank Aline Ritter for her valuable support with ICPMS measurements Special thanks to Prof E Brunner TU Dresden Prof JU Ackermann HTW Dresden

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