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Decoding eumelanin's spin label signature: a comprehensive EPR analysis
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Carlos F. O. Graeff ,
Bernard Mostert
Materials Advances, Volume: 5, Issue: 4, Pages: 1395 - 1419
Swansea University Author:
Bernard Mostert
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DOI (Published version): 10.1039/d3ma01029e
Abstract
Eumelanin is a black-brown natural pigment found throughout nature. As a material class, it possesses unique physical and chemical properties that entice much attention from chemists, physicists, and material scientists due to its potential use in medical and sustainable organic (bio)electronics set...
| Published in: | Materials Advances |
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| ISSN: | 2633-5409 |
| Published: |
Royal Society of Chemistry (RSC)
2024
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa67142 |
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| Abstract: |
Eumelanin is a black-brown natural pigment found throughout nature. As a material class, it possesses unique physical and chemical properties that entice much attention from chemists, physicists, and material scientists due to its potential use in medical and sustainable organic (bio)electronics settings. To harness its potential, accurate spectroscopical characterization is a primary requirement for the efficient engineering of eumelanin-based electronic devices. A key spectroscopic technique is electron paramagnetic resonance (EPR) since the persistent paramagnetism of eumelanin is a spin-label signature of its molecular state. This review provides a comprehensive discussion on the origin of eumelanin paramagnetism through a multifrequency EPR approach and highlights the current multi-species point-of-view. |
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| Keywords: |
Eumelanin, pigment |
| College: |
Faculty of Science and Engineering |
| Issue: |
4 |
| Start Page: |
1395 |
| End Page: |
1419 |