Evidence of Porphyrin-Like Structures in Natural Melanin Pigments Using Electrochemical Fingerprinting

Evidence of Porphyrin-Like Structures in Natural Melanin Pigments Using Electrochemical Fingerprinting

© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 28(2016), 16 vom: 03. Apr., Seite 3173-80
1. Verfasser: Kim, Young Jo (VerfasserIn)
Weitere Verfasser: Khetan, Abhishek, Wu, Wei, Chun, Sang-Eun, Viswanathan, Venkatasubramanian, Whitacre, Jay F, Bettinger, Christopher J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. biopolymers cathodes electrochemical storage melanin mesoscale Macromolecular Substances Melanins Porphyrins
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520 |a Eumelanins are extended heterogeneous biopolymers composed of molecular subunits with ambiguous macromolecular topology. Here, an electrochemical fingerprinting technique is described, which suggests that natural eumelanin pigments contain indole-based tetramers that are arranged into porphyrin-like domains. Spectroscopy and density functional theory calculations suggest that sodium ions undergo occupancy-dependent stepwise insertion into the core of porphyrin-like tetramers in natural eumelanins at discrete potentials 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
650 4 |a biopolymers 
650 4 |a cathodes 
650 4 |a electrochemical storage 
650 4 |a melanin 
650 4 |a mesoscale 
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700 1 |a Khetan, Abhishek  |e verfasserin  |4 aut 
700 1 |a Wu, Wei  |e verfasserin  |4 aut 
700 1 |a Chun, Sang-Eun  |e verfasserin  |4 aut 
700 1 |a Viswanathan, Venkatasubramanian  |e verfasserin  |4 aut 
700 1 |a Whitacre, Jay F  |e verfasserin  |4 aut 
700 1 |a Bettinger, Christopher J  |e verfasserin  |4 aut 
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