Transglutaminase-mediated restoration of historic silk and its ageing resistance

Zhu, Zhanyun; Liu, Liu; Gong, Decai

doi:10.1186/2050-7445-1-13

Cited by 8 publications

(4 citation statements)

References 13 publications

(13 reference statements)

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“…According to references [11,12], modern silks were heated under 230°C for 40 h to obtain artificially carbonized samples with exceedingly low strength, denoted as 40hTH. JZ was heated under 230°C for 6 h (6hJZ) to mimic the generation of fresh carbon radicals in storage.…”

Section: Preparation Of Artificially Carbonized Samplesmentioning

confidence: 99%

A potential scavenger of carbon radicals for ancient carbonized silk fabrics: Superoxide Dismutase (SOD)

et al. 2014

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Superoxide Dismutase (SOD) was proposed as a potential scavenger of carbon radicals in ancient carbonized silk fabrics. Ancient and artificially carbonized silk samples were treated using this method. The optimal experimental conditions of the treatment were determined by variance analysis. The effects of the scavenging on carbonized silks were investigated by electron paramagnetic resonance (EPR). The results showed that the carbon radicals in both ancient and artificially carbonized silks were cleared to a great extent. The ageing resistance of the treated samples and scanning electron microscope (SEM) images of samples before and after treatment ensured that the treatment would not aggravate the deterioration of silk. Thus, the potential of SOD to scavenge carbon radicals in historic silk was demonstrated. Our research may help to alleviate further degradation which could occur during preservation of silk.

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Section: Preparation Of Artificially Carbonized Samplesmentioning

confidence: 99%

A potential scavenger of carbon radicals for ancient carbonized silk fabrics: Superoxide Dismutase (SOD)

et al. 2014

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“…Textile scientists and conservators are continually researching protection methods for fragile silk fabrics. At present, various methods are available to consolidate fragile textiles, including the needle–thread repair method, the mounting method, the silk screen consolidation method, the resin consolidation method, the Parylene film the method, silk fibroin consolidation method, and the transglutaminase‐mediated method (Daina & Ricardas, 2016; Hu et al, 2011; Sun & Chen, 2008; Zhang et al, 2011; Zhang & Yuan, 2003; Zheng et al, 2009; Zhu et al, 2013). These methods follow different technical routes and have different applicable objects.…”

Section: Introductionmentioning

confidence: 99%

Identification and protection of puce unlined clothing with printed gold and colour‐painted lace

et al. 2022

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A large number of Southern Song dynasty costumes were unearthed from Huangsheng tomb in Fuzhou city, Fujian province. The unlined clothing was among the funeral objects, and made of the most common leno fabric, which was light and transparent, and the clothing was in extremely poor condition. To protect the unlined clothing, scientific evaluation and protection were carried out. Three‐dimensional microscopy was used to analyse the weave structure and X‐ray fluorescence spectroscopy (XRF) and indirect enzyme‐linked immunosorbent assay (iELISA) were used to analyse scientifically the printed gold and colour paint components of the unlined clothing. The results showed that the structure of the unlined clothing was a two‐warp twisted leno, the printed gold contained Au, Cu, Fe and other elements, the coloured paint contained Pb and Hg elements, and the binding material component of the coloured paint was type I collagen. Based on the results of the analysis, the silk fibroin consolidation method was used to improve resistance to the stress and strain caused by the needle–thread repair method, and the needle–thread repair method was then used to restore the original clothing shape. This study provides a new approach for the protection of fragile silk fabrics in the future.

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“…In addition, more studies [41][42][43][44][45][46][47][48] have shown that TGase can promote a stable biopolymer by covalent crosslinking with sodium caseinate (SC), which improves the mechanical properties of the SC membrane. Zhu et al 29,30 explored the condition of TGase-mediated thermal aging silk reinforcement, and the results showed that the recovery effect was significant. In addition, from the practical point of view, the fabric is also prone to being affected by UV irradiation.…”

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confidence: 99%

Silk fabric protection obtained via chemical conjugation of transglutaminase and silk fibroin reinforcement

Zhao

Pan

Liu

et al. 2019

Textile Research Journal

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Historic silk fabric is an important part of Chinese precious cultural heritage and its protection has always been a major challenge. This paper proposes a bio-safety method by the chemical conjugation of transglutaminase (TGase or TG) and sodium caseinate (SC), which produced a macromolecular polymer between protein molecules and enhanced silk fabrics. The changes of the mechanical properties of the reinforced silk fabric after washing by 10 cycles were not obvious, indicating good washing durability. After TGase and SC reinforcement, the silk fibroin (SF) solution was sprayed on the surface of silk fabric to improve the mechanical properties, where the secondary structure were formed by the self-assembly of SF to improve the mechanical properties. Therefore, the breaking stress attained the maximum value when the SF solution concentration was 1.0%. Meanwhile, the breaking stress increased by about 20.89% compared with untreated silk fabric. When the artificially alkali aged silk fabric is reinforced, the breaking stress and strain of the reinforced sample increased by 37.77% relative to the alkali aged fabric. The surface morphology and secondary structure transformation of the samples were also analyzed by scanning electron microscopy and Fourier transform infrared spectroscopy, respectively. The results indicated that a significant SF layer was introduced on the surface of the silk fabric and the β-sheet structure increased due to the synergetic role of the macromolecular polymer and SF. Moreover, it is concluded that an increase in temperature and humidity will result in a decrease in the preservation index, which caused the degradation of silk fabric and proved that the preservation time of the reinforced silk fabric in the same environment was longer than that of the unreinforced sample. The biological enzyme chemical conjugation with silk fabric and physical combination of the pure SF solution is expected to be applied to the protection and enhancement of silk cultural relics.

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Transglutaminase-mediated restoration of historic silk and its ageing resistance

Cited by 8 publications

References 13 publications

A potential scavenger of carbon radicals for ancient carbonized silk fabrics: Superoxide Dismutase (SOD)

A potential scavenger of carbon radicals for ancient carbonized silk fabrics: Superoxide Dismutase (SOD)

Identification and protection of puce unlined clothing with printed gold and colour‐painted lace

Silk fabric protection obtained via chemical conjugation of transglutaminase and silk fibroin reinforcement

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