Groves, Philip, Marsh, Jennifer M., Sun, Yiping et al. (2 more authors) (2018) Effect of humidity on photoinduced radicals in human hair. Free Radical Biology and Medicine. pp. 20-25. ISSN 1873-4596
Abstract
EPR spectroscopy was used to monitor formation of free radicals in human hair upon UV irradiation. While the EPR spectra of brown hair were dominated by melanin signal, those of white hair were keratin-derived. The decay of UV induced keratin radicals was enhanced at increased ambient humidity. We argue that at higher humidity the swollen hair provides a more liquid-like environment, and higher molecular mobility in this environment leads to faster radical reactions. This interpretation is consistent with the increased UV-triggered protein damage in hair at high humidity as demonstrated by the protein loss, MALDI-TOF and FT-IR data.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2018 Elsevier Inc. All rights reserved. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy. |
Keywords: | Electron paramagnetic resonance,Free radicals,Hair,UV damage |
Dates: |
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Institution: | The University of York |
Academic Units: | The University of York > Faculty of Sciences (York) > Chemistry (York) |
Depositing User: | Pure (York) |
Date Deposited: | 16 May 2018 13:30 |
Last Modified: | 16 Oct 2024 14:44 |
Published Version: | https://doi.org/10.1016/j.freeradbiomed.2018.04.54... |
Status: | Published |
Refereed: | Yes |
Identification Number: | 10.1016/j.freeradbiomed.2018.04.548 |
Related URLs: | |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:130976 |
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Description: UV Humidity Manuscript v3 - figures corrected
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