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Proteomic Profiling of the Photo-oxidation of Silk Fibroin: Implications for Historic Tin-Weighted Silk

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Proteomic Profiling of the Photo-oxidation of Silk Fibroin: Implications for Historic Tin-Weighted Silk. / Solazzo, Caroline; Dyer, Jolon; Clerens, Stefan; Wyeth, Paul.

In: JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY, Vol. 88, No. 5, 09.2012, p. 1217-1226.

Research output: Contribution to journalArticle

Harvard

Solazzo, C, Dyer, J, Clerens, S & Wyeth, P 2012, 'Proteomic Profiling of the Photo-oxidation of Silk Fibroin: Implications for Historic Tin-Weighted Silk', JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY, vol. 88, no. 5, pp. 1217-1226.

APA

Solazzo, C., Dyer, J., Clerens, S., & Wyeth, P. (2012). Proteomic Profiling of the Photo-oxidation of Silk Fibroin: Implications for Historic Tin-Weighted Silk. Manuscript in preparation.

Vancouver

Solazzo C, Dyer J, Clerens S, Wyeth P. Proteomic Profiling of the Photo-oxidation of Silk Fibroin: Implications for Historic Tin-Weighted Silk. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY. 2012 Sep;88(5):1217-1226.

Author

Solazzo, Caroline ; Dyer, Jolon ; Clerens, Stefan ; Wyeth, Paul. / Proteomic Profiling of the Photo-oxidation of Silk Fibroin: Implications for Historic Tin-Weighted Silk. In: JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY. 2012 ; Vol. 88, No. 5. pp. 1217-1226.

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@article{ee8e625595084993b74906423bd34717,
title = "Proteomic Profiling of the Photo-oxidation of Silk Fibroin: Implications for Historic Tin-Weighted Silk",
abstract = "The stability of silk proteins to ultraviolet light is an issue of significant concern in both the appearance retention of silk-derived products and the preservation of historic silk textiles. Until now, evaluation of silk degradation has only been performed at the holistic, rather than molecular level. This paper describes the first proteomic profiling of silk photo-oxidation, characterising protein primary level modification leading to coloration changes, and evaluating the effects of tin weighting on photodegradation. Heavy chain fibroin, the main proteinaceous component of the silk thread, is a repetitive, highly crystalline protein with a content rich in tyrosine. Photoproducts of tyrosine were characterised and the levels of oxidative modification at the protein primary structural level correlated with changes in coloration and tensile strength. The effect of tin as a weighting agent used on historical fabrics was examined. Tin-weighted fabrics were evaluated following two treatments (pink and dynamite) and proteomic analysis revealed a significant increase in oxidatively modified amino acid residues within the pink treated silk. These findings offer significant new insight into the molecular-level oxidation of silk proteins under UV exposure, and the effects of silk treatments in either exacerbating or ameliorating this degradation.",
keywords = "Silk fibroin, photoyellowing, photo-oxidation, tin weighting, historic textiles",
author = "Caroline Solazzo and Jolon Dyer and Stefan Clerens and Paul Wyeth",
year = "2012",
month = sep,
language = "English",
volume = "88",
pages = "1217--1226",
journal = "JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY",
issn = "1011-1344",
publisher = "Elsevier",
number = "5",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Proteomic Profiling of the Photo-oxidation of Silk Fibroin: Implications for Historic Tin-Weighted Silk

AU - Solazzo, Caroline

AU - Dyer, Jolon

AU - Clerens, Stefan

AU - Wyeth, Paul

PY - 2012/9

Y1 - 2012/9

N2 - The stability of silk proteins to ultraviolet light is an issue of significant concern in both the appearance retention of silk-derived products and the preservation of historic silk textiles. Until now, evaluation of silk degradation has only been performed at the holistic, rather than molecular level. This paper describes the first proteomic profiling of silk photo-oxidation, characterising protein primary level modification leading to coloration changes, and evaluating the effects of tin weighting on photodegradation. Heavy chain fibroin, the main proteinaceous component of the silk thread, is a repetitive, highly crystalline protein with a content rich in tyrosine. Photoproducts of tyrosine were characterised and the levels of oxidative modification at the protein primary structural level correlated with changes in coloration and tensile strength. The effect of tin as a weighting agent used on historical fabrics was examined. Tin-weighted fabrics were evaluated following two treatments (pink and dynamite) and proteomic analysis revealed a significant increase in oxidatively modified amino acid residues within the pink treated silk. These findings offer significant new insight into the molecular-level oxidation of silk proteins under UV exposure, and the effects of silk treatments in either exacerbating or ameliorating this degradation.

AB - The stability of silk proteins to ultraviolet light is an issue of significant concern in both the appearance retention of silk-derived products and the preservation of historic silk textiles. Until now, evaluation of silk degradation has only been performed at the holistic, rather than molecular level. This paper describes the first proteomic profiling of silk photo-oxidation, characterising protein primary level modification leading to coloration changes, and evaluating the effects of tin weighting on photodegradation. Heavy chain fibroin, the main proteinaceous component of the silk thread, is a repetitive, highly crystalline protein with a content rich in tyrosine. Photoproducts of tyrosine were characterised and the levels of oxidative modification at the protein primary structural level correlated with changes in coloration and tensile strength. The effect of tin as a weighting agent used on historical fabrics was examined. Tin-weighted fabrics were evaluated following two treatments (pink and dynamite) and proteomic analysis revealed a significant increase in oxidatively modified amino acid residues within the pink treated silk. These findings offer significant new insight into the molecular-level oxidation of silk proteins under UV exposure, and the effects of silk treatments in either exacerbating or ameliorating this degradation.

KW - Silk fibroin

KW - photoyellowing

KW - photo-oxidation

KW - tin weighting

KW - historic textiles

UR - http://www.scopus.com/inward/record.url?scp=84865968838&partnerID=8YFLogxK

M3 - Article

VL - 88

SP - 1217

EP - 1226

JO - JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY

JF - JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY

SN - 1011-1344

IS - 5

ER -