An electrochemical study of natural and chemically controlled eumelanin | Zendy

Ri Xu | Zendy; Carmela Tania Prontera | Zendy; Eduardo Di Mauro | Zendy; Alessandro Pezzella | Zendy; Francesca Soavi | Zendy; Clara Santato | Zendy

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An electrochemical study of natural and chemically controlled eumelanin

Author(s) -

Ri Xu,

Carmela Tania Prontera,

Eduardo Di Mauro,

Alessandro Pezzella,

Francesca Soavi,

Clara Santato

Publication year - 2017

Publication title -

apl materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.571

H-Index - 60

ISSN - 2166-532X

DOI - 10.1063/1.5000161

Subject(s) - sepia , cuttlefish , melanin , electrochemistry , chelation , materials science , chemistry , organic chemistry , electrode , officinalis , biochemistry , biology , botany , food science

Eumelanin is the most common form of the pigment melanin in the human body, with functions including antioxidant behavior, metal chelation, and free radical scavenging. This biopigment is of interest for biologically derived batteries and supercapacitors. In this work, we characterized the voltammetric properties of chemically controlled eumelanins produced from 5,6-dihydroxyindole (DHI) and 5,6-dihydroxyindole-2-carboxylic acid (DHICA) building blocks, namely, DHI-melanin, DHICA-melanin, and natural eumelanin, extracted from the ink sac of cuttlefish, Sepia melanin. Eumelanin electrodes were studied for their cyclic voltammetric properties in acidic buffers including Na+, K+, NH4+, and Cu2+ ions

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