The effect of residual silk sericin on the structure and mechanical property of regenerated silk filament

Ki, Chang Seok; Kim, Jong Wook; Oh, Han Jin; Lee, Ki Hoon; Park, Young Hwan

doi:10.1016/j.ijbiomac.2007.05.005

Cited by 74 publications

(26 citation statements)

References 18 publications

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“…FT-IR was widely used to characterize the structure of materials [35]. Here, it was applied to investigate the effect of AgNPs modification on the structure of sericin gel.…”

Section: Resultsmentioning

confidence: 99%

Characterization of Silver NanoparticleIn SituSynthesis on Porous Sericin Gel for Antibacterial Application

Tao

Liu

Wang

et al. 2016

Journal of Nanomaterials

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Sericin fromBombyx moricocoon has good hydrophilicity, reaction activity, biocompatibility, and biodegradability, which has shown great potentials for biomedical materials. Here, an ultraviolet light-assistedin situsynthesis approach is developed to immobilize silver nanoparticles on the surface of sericin gel. The amount of silver nanoparticles immobilized on the surface of sericin gel could be regulated by the irradiation time. The porous structure and property of sericin gel were not affected by the modification of AgNPs, as evidenced by the observation of scanning electron microscopy, X-ray diffractometry, and Fourier transform infrared spectroscopy. Differential scanning calorimetry analysis showed that the modification of AgNPs increased the thermal stability of sericin gel. The growth curve of bacteria and inhibition zone assays suggested that the sericin gel modified with AgNPs had good antimicrobial activities against both Gram-negative and Gram-positive bacteria. This novel sericin has shown a great potential for biomedical purpose.

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“…FT-IR was widely used to characterize the structure of materials [35]. Here, it was applied to investigate the effect of AgNPs modification on the structure of sericin gel.…”

Section: Resultsmentioning

confidence: 99%

Characterization of Silver NanoparticleIn SituSynthesis on Porous Sericin Gel for Antibacterial Application

Tao

Liu

Wang

et al. 2016

Journal of Nanomaterials

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“…Comparing to silk fibroin, sericin makes minor contribution to the mechanics of silk fiber. However, it was reported that sericin could induce the transition of silk fibroin from the random coil or α -helix to the β -sheet structure, and further improve the mechanical properties of silk fibroin fibers [49]. The incomplete or ruptured sericin coating is one of the possible reasons for the decrease of the crystallinity index when the reeling speed rises from 95 to 100 mm/s.…”

Section: Resultsmentioning

confidence: 99%

Antheraea pernyiSilk Fiber: A Potential Resource for Artificially Biospinning Spider Dragline Silk

Zhang

Yang

Shao

et al. 2010

Journal of Biomedicine and Biotechnology

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The outstanding properties of spider dragline silk are likely to be determined by a combination of the primary sequences and the secondary structure of the silk proteins. Antheraea pernyi silk has more similar sequences to spider dragline silk than the silk from its domestic counterpart, Bombyx mori. This makes it much potential as a resource for biospinning spider dragline silk. This paper further verified its possibility as the resource from the mechanical properties and the structures of the A. pernyi silks prepared by forcible reeling. It is surprising that the stress-strain curves of the A. pernyi fibers show similar sigmoidal shape to those of spider dragline silk. Under a controlled reeling speed of 95 mm/s, the breaking energy was 1.04 × 105 J/kg, the tensile strength was 639 MPa and the initial modulus was 9.9 GPa. It should be noted that this breaking energy of the A. pernyi silk approaches that of spider dragline silk. The tensile properties, the optical orientation and the β-sheet structure contents of the silk fibers are remarkably increased by raising the spinning speeds up to 95 mm/s.

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“…Residual sericine -from 0 to 18.9% 5 µm 6.9 Tensile test fracture morphology of Bombyx mori silk fibre. of initial sericine -seems to increase mechanical properties by increasing crystallization (Ki et al, 2007b).…”

Section: Mechanical Properties Of Traditional Silkmentioning

confidence: 99%

Types, structure and mechanical properties of silk

Jauzein

Colomban

2009

Handbook of Tensile Properties of Textile and Technical Fibres

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The effect of residual silk sericin on the structure and mechanical property of regenerated silk filament

Cited by 74 publications

References 18 publications

Characterization of Silver NanoparticleIn SituSynthesis on Porous Sericin Gel for Antibacterial Application

Characterization of Silver NanoparticleIn SituSynthesis on Porous Sericin Gel for Antibacterial Application

Antheraea pernyiSilk Fiber: A Potential Resource for Artificially Biospinning Spider Dragline Silk

Types, structure and mechanical properties of silk

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