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Proteomic evaluation and location of UVB-induced photo-oxidation in wool


, : Proteomic evaluation and location of UVB-induced photo-oxidation in wool. Journal of Photochemistry and Photobiology. B, Biology 98(2): 118-127

Photo-oxidation of proteinaceous fibres correlates directly to lowered appearance retention and performance, with particular commercial significance for wool and human hair. We here outline the first detailed proteomic evaluation of differential photo-oxidation occurring in the cuticle and cortex of wool fibres. After exposure of whole wool to UVB irradiation, physical disruption techniques designed to minimise further oxidative modification were utilised to prepare enriched cuticle and cortex fractions. This was followed by comprehensive redox proteomic analyses of photo-oxidation via the location within the fibre components of modifications to aromatic residues. An oxidative classification system was developed and applied to provide further insight into differential photo-oxidation. These results were compared with coloration changes observed within the cuticular and cortical components of the fibre. In this study, although the cuticle was observed to have a higher level of baseline oxidation, the cortex exhibited significantly higher levels of photo-oxidation under UVB irradiation. These proteomic results were supported by the observation of significantly higher photoyellowing within the cortex than within the cuticle. It has been assumed that fibre photo-oxidation was predominantly confined to the wool cuticle, and that changes within the cuticle had the greatest effect on appearance retention. These results provide new insight into the contribution of the cortex to photo-induced discoloration of proteinaceous animal fibres.

US$19.90

PMID: 20042345

DOI: 10.1016/j.jphotobiol.2009.11.008


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Alexander, T.W.; Reuter, T.; Sharma, R.; Yanke, L.J.; Topp, E.; McAllister, T.A., 2010: Longitudinal characterization of resistant Escherichia coli in fecal deposits from cattle fed subtherapeutic levels of antimicrobials. Model fecal deposits from cattle fed or not fed antimicrobial growth promoters were examined over 175 days in the field for growth and persistence of total Escherichia coli and numbers and proportions of ampicillin-resistant (Amp(r)) and tetracycl...

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Hammonds P.; Palmieri L.; Troge J.; Mertz R., 1991: Coordinate regulation of insulin and amylin secretion from rat islets of langerhans and hit t15 beta cells. Journal of Cellular Biochemistry Supplement (15 PART B): 66

Lorig, K.R.; Mazonson, P.D.; Holman, H.R., 1993: Evidence suggesting that health education for self-management in patients with chronic arthritis has sustained health benefits while reducing health care costs. Objective: To determine the effects of the Arthritis Self-Management Program 4 years after participation in it. Methods: Valid self-administered instruments were used to measure health status, psychological states, and health service utilization....

Cao, N.; Fu, Y.; He, J., 2007: Mechanical properties of gelatin films cross-linked, respectively, by ferulic acid and tannin acid. Gelatin films were cross-linked, respectively, by ferulic acid and tannin acid obtained from plant kingdom. Influences of concentrations of cross-linking agents and pH values of film-forming solution on the mechanical properties, swelling propert...

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Goyal, R.N.; Kaur, D.; Singh, S.P.; Pandey, A.K., 2008: Effect of graphite and metallic impurities of C60 fullerene on determination of salbutamol in biological fluids. A new method for the determination of salbutamol has been developed using fullerene C-60-Modified glassy carbon electrode and validated using GC-MS. The presence of graphite and metallic impurities in C-60 are found to diminish the peak. The oxid...

Fall, M.; Baranowski, A.P.; Fowler, C.J.; Lepinard, V.; Malone-Lee, J.G.; Messelink, E.J.; Oberpenning, F.; Osborne, J.L.; Schumacher, S., 2004: EAU guidelines on chronic pelvic pain. Objectives: On behalf of the European Association of Urology (EAU) guidelines for diagnosis, therapy and follow-up of chronic pelvic pain patients were established. Method: Guidelines were compiled by a working group and based on current literatur...

Salunke, A.Ashok.; Nambi, G.Ilango.; Dhanwate, A.Dattatray.; Siriwardana, H.Amila.Ruwan.Prasad., 2014: Superficial ulnar artery: Clinical recommendations to avoid iatrogenic complications due to variation in arterial system. Superficial ulnar artery is an uncommon variation in which the ulnar artery is having its course superficial to the flexors of the forearm and may arise directly from axillary or brachial arteries. The proper understanding and knowledge of variati...

Castillo, S.S.; Teegarden, D., 2000: Role of mitogen activated protein kinase phosphatase-1 in sphingolipid mediated inhibition of apoptosis. FASEB Journal 14(4): A771, March 15