Platinum-Ion-Mediated Self-Assembly of Hairpin Peptides and Synthesis of Platinum Nanostructures

Nanostructures and nanomaterials based on peptide self-assembly have attracted tremendous interests due to the functionalities of peptide molecules. Furthermore, the self-assembled peptide nanostructures are also adopted to fabricate nanomaterials and nanodevices. In this work, the intramolecular fo...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 35(2019), 16 vom: 23. Apr., Seite 5617-5625
1. Verfasser: Wang, Jiqian (VerfasserIn)
Weitere Verfasser: Zhang, Liyan, Yang, Jingge, Yan, Hongyu, Li, Xiran, Wang, Chengdong, Wang, Dong, Sun, Yawei, Xu, Hai
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Ions Peptides Platinum 49DFR088MY
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520 |a Nanostructures and nanomaterials based on peptide self-assembly have attracted tremendous interests due to the functionalities of peptide molecules. Furthermore, the self-assembled peptide nanostructures are also adopted to fabricate nanomaterials and nanodevices. In this work, the intramolecular folding and self-assembly of a β-hairpin peptide CBHH were first studied under the regulation of platinum ion. And then, platinum nanostructures were synthesized through the reduction of platinum ions templated with peptide self-assemblies. The results of circular dichroism spectroscopy, UV-vis spectroscopy, isothermal titration calorimetry, and atomic force microscopy observation showed that platinum ions could promote the conversion of peptide CBHH secondary structure from a random coil to a β-sheet through coordination with histidine residues. Platinum nanostructures including nanorods and one dimensionally aligned nanorods were synthesized through in situ reduction with CBHH self-assembled nanofiber as the templates. And the synthesized platinum nanostructures showed excellent electrocatalytic activities 
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650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a Zhang, Liyan  |e verfasserin  |4 aut 
700 1 |a Yang, Jingge  |e verfasserin  |4 aut 
700 1 |a Yan, Hongyu  |e verfasserin  |4 aut 
700 1 |a Li, Xiran  |e verfasserin  |4 aut 
700 1 |a Wang, Chengdong  |e verfasserin  |4 aut 
700 1 |a Wang, Dong  |e verfasserin  |4 aut 
700 1 |a Sun, Yawei  |e verfasserin  |4 aut 
700 1 |a Xu, Hai  |e verfasserin  |4 aut 
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