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| 1 | Using FTIR spectroscopy to detect sericin on historic silk显示文摘Silks represent some of the most precious ancient and historic textile artefacts in collections worldwide.Their optimum preservation demands an appreciation of their characteristics.One important concern,especially with regard to ancient Chinese silks,is whether the fabrics have been degummed.Silks with remnant sericin gum coating the fibroin fibres would require different conservation protocol.In previous research on aged silks,the presence of sericin has been inferred from amino acid analysis of hydrolysates.In the study reported here,the potential of FTIR spectroscopy to provide a simpler and rapid method of detecting sericin on silk has been investigated.Both fibroin and sericin exhibit singular IR absorptions.Attenuated total reflectance spectroscopy was found to highlight the sericin coating more effectively than transmission and reflectance spectroscopy.Three particular peak intensity ratios were identified which might provide a quantitative estimate of the sericin content of new silk,to a sensitivity of 1%-2%.These were also shown to be valid indicators for the presence of sericin on artificially aged and archaeological silks,although quantitation was now not possible.Besides the peak intensity ratios,two signature peaks were also seen to be useful markers for silk fibroin,and their presence in a spectrum could be used to infer a degummed silk. | WYETH Paul | 2010 | Science China Chemistry2010，53，3： | 4 |
| 2 | Performance measurement of sericin-coated silks during aging显示文摘Silks are among the most precious ancient and historic artefacts worldwide. While washing removes the natural gum from the fibres during the fabrication of most silk textiles, for a small proportion of historic silks some or perhaps all of the sericin still remains. This paper investigated the effect of sericin coating on the aging of silk fibroin by means of ATR and tensile testing. The results show that sericin can provide some extent of protection from light and heat aging. However, in high humidity environments degummed and ungummed silk aged at the same rate because of leaching of sericin. Silk degraded at faster rate and more extensively in a moist environment. ATR could give very useful information about the aging of silk. The ATR-derived crystallinity index is good at tracing the aging factor and extent of silk deterioration. Alanine and tyrosine within fibroin, as estimated by ATR spectroscopy, are very sensitive to light, but not to heat and water. The ATR absorbance intensity ratio Iamide Ⅲ/ Iamide I is very useful for deterioration evaluation of archaeological silk objects. As a high humidity resulted in the leaching of silk, it is suggested for sericin-coated silk in collections, that not only wet cleaning is harmful, but also that storage or display in a high RH environment would be detrimental. | ZHANG XiaoMei WYETH Paul | 2011 | Science China Chemistry2011，54，6： | 4 |
| 3 | Outbreaks of virulent infectious bursal disease in East Anglia显示文摘 | Chettle N J Stuart J C Wyeth P J | 1989 | Veterinary Record1989，125，： | 2 |
| 4 | Preliminary observations on a virus associate with turkey rhinotracheitis显示文摘 | Wyeth P J Gough R Chettle N | 1986 | Vet Rec1986，119，： | 1 |
| 5 | Vaccination of commercial layer chicks against infectious bursal disease with maternally derived antibodies显示文摘 | GODDARD R D WYETH P J VARNEY W C | 1994 | Vet Rer1994，135，： | 1 |
| 6 | Cointegration and Market Integration: An Application to the Indonesian Rice Market 显示文摘 | Alexander C Wyeth J | 1994 | The Journal of Development Studies1994，30，2： | 1 |
| 7 | Prevalence, severity and associated features of gastro-oesophageal reflux and dyspepsia: a population-based study显示文摘 | HAQUE M WYETH JW STACE NH | 2000 | N Z Med J2000，，： | 1 |
| 8 | An audit of combined multichannel intraluminal impedance manometry in the assessment of dysphagia显示文摘 | Burgess NG Wyeth JW | 2011 | J Gastroenterol Hepatol2011，263，： | 1 |
| 9 | Intracoronary Prostaglandin E plus streptokinase in acute myocardial infarction 显示文摘 | Sharma B Wyeth RP Gimenez HJ | 1986 | Am J Cardiol1986，58，13： | 1 |
| 10 | Development of a new dyspepsia impact scale: the Nepean Dyspepsia Index显示文摘 | Talley NJ Haque M Wyeth JW | 1999 | Aliment Phamlacol Ther1999，13，2： | 1 |
| 11 | An audit of combined multichannel in-traluminal impedance manometry in the assessment of dysphagia显示文摘 | Burgess Ng Wyeth JW | 2011 | J Gastroenterol Hepatol2011，26，3： | 1 |
| 12 | Complete sequence and polymorphism study of the human TYRP1 gene encoding tyrosinase-related protein 1显示文摘 | Box N F Wyeth J R Mayne C J | 1998 | Mammalian Genome1998，9，： | 1 |
| 13 | CAT-SLAM: Probabilistic Localization and Mapping Using a Continuous Appearance-based Trajectory 显示文摘 | MADDERN W MILFORD M WYETH G | 2012 | The International Journal of Robotics Research2012，31，4： | 1 |
| 14 | Co-integration and market integration: anapplication to the Indonesian rice market显示文摘 | Alexander C Wyeth S | 1994 | Journal of DevelopmentStudies1994，，30： | 1 |
| 15 | Outbreak of virulent infectious bursal disease in East Anglia显示文摘 | CHETTLE N J C STUART P U WYETH | 1989 | Vet Ree1989，125，： | 1 |
| 16 | Characterization of historic silk by polarized attenuated total reflectance fourier transform infrared spectroscopy显示文摘 | Garside P Lahlil S Wyeth P | 2005 | Appl Spectrosc2005，59，10： | 1 |
| 17 | Vaccination of commercial layer chicks against infectious bursal disease with maternally derived antibodies 显示文摘 | Goddard R D Wyeth P J Varney W C | 1994 | The Veterinary Record1994，135，： | 1 |
| 18 | Outbreak of virulent infectious bursal disease in East Anglia显示文摘 | Chetle N Stuart J C Wyeth P J | 1989 | Vet Rec1989，125，： | 1 |
| 19 | Development of a new Dyspepsia impact seale:The NePean Dyspepsia IndES(NDI)显示文摘 | Talley NJ Haque M Wyeth JW | | 0，，02： | 1 |
| 20 | Crystallinity and degradation of silk:correlations between analytical signatures and physical condition on ageing显示文摘 | Garside P Wyeth P | 2007 | Appl Phys A2007，89，4： | 1 |
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