Ri Xu, Carmela Tania Prontera, Eduardo Di Mauro, Alessandro Pezzella, Francesca Soavi and Clara Santato
Article (2017)
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Abstract
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. (C) 2017 Author(s).
Uncontrolled Keywords
metal-ions ; dihydroxyindole-melanin ; binding ; transport ; insights ; affinity ; cells ; dopa
| Subjects: | 3100 Physics > 3100 Physics |
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| Department: | Department of Engineering Physics |
| Funders: | NSERC (Natural Sciences and Engineering Research Council of Canada), POLYMED, Executive Bilateral Program Italy-Quebec |
| Grant number: | MC-IRSES-612538 |
| PolyPublie URL: | https://publications.polymtl.ca/5177/ |
| Journal Title: | APL Materials (vol. 5, no. 12) |
| Publisher: | AIP Publishing |
| DOI: | 10.1063/1.5000161 |
| Official URL: | https://doi.org/10.1063/1.5000161 |
| Date Deposited: | 27 Feb 2023 09:09 |
| Last Modified: | 02 Dec 2024 17:04 |
| Cite in APA 7: | Xu, R., Prontera, C. T., Di Mauro, E., Pezzella, A., Soavi, F., & Santato, C. (2017). An electrochemical study of natural and chemically controlled eumelanin. APL Materials, 5(12), 126108 (8 pages). https://doi.org/10.1063/1.5000161 |
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