[논문]Effect of different Bombyx mori silkworm varieties on the wet spinning of silk fibroin

Jang, Mi Jin; Um, In Chul

doi:10.7852/ijie.2015.30.2.75

Effect of different Bombyx mori silkworm varieties on the wet spinning of silk fibroin 원문보기

International journal of industrial entomology, v.30 no.2, 2015년, pp.75 - 80

Jang, Mi Jin (Department of Bio-fibers and Materials Science, Kyungpook National University) , Um, In Chul (Department of Bio-fibers and Materials Science, Kyungpook National University)

Abstract ▼ AI-Helper

The wet spinning of silk solution has attracted researchers' attention because of 1) unique properties of silk as a biomedical material and 2) easy control of the structure and properties of the regenerated silk fiber. Recently, studies have reported that different silkworm varieties produce silk with differences in the molecular weight (MW) and other mechanical properties of the regenerated silk fibroin (SF) film. In this study, we look at the effect of different Bombyx mori varieties on the wet spinning of SF. Although five regenerated SFs from different silkworm varieties have different MWs and solution viscosity, the wet spinnability and post drawing performance of regenerated SFs were not different. This result is due to low variability in the MW of the regenerated SF samples from the different silkworm varieties. In addition, unlike regenerated SF films, the mechanical properties of wet spun regenerated SF filament were not affected by silkworm variety. This result suggests that the mechanical properties of wet spun SF filament are less affected by MW than those of SF film are.

주제어

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제안 방법

The SF filaments tested were 70 mm in length. The tensile tests were performed under standard conditions with a 3 kgf load cell at an extension rate of 10 mm/min and a gauge length of 30 mm. All samples were preconditioned at the standard conditions for more than 1 d.
mori varieties were used to prepare wet spun regenerated SF filaments. We looked at the effect of silkworm variety on the wet spinning performance of the SF solution as well as the structure and properties of the wet spun SF filament.

대상 데이터

In this study, five different B. mori varieties were used to prepare wet spun regenerated SF filaments. We looked at the effect of silkworm variety on the wet spinning performance of the SF solution as well as the structure and properties of the wet spun SF filament.

이론/모형

The Fourier transform infrared (FTIR; Nicolet 380, Thermo Fisher Scientific, USA) spectra were obtained using the attenuated total reflectance (ATR) method. The crystallinity index was calculated as the intensity ratio of 1260 and 1230 cm^-1 from the FTIR spectrum using the following equation (Chung and Um, 2014; Kim and Um, 2014).

참고문헌 (20)

Cho HJ, Um IC (2010) The effect of dissolution condition on the yield, molecular weight, and wet- and electro-spinnability of regenerated silk fibroins prepared by LiBr aqueous solution. Int J Indust Entomol 20, 99-105.
Cho HJ, Yoo YJ, Kim JW, Park YH, Bae DG, Um IC (2012) Effect of molecular weight and storage time on the wet- and electro-spinning of regenerated silk fibroin. Polym Degrad Stab 97, 1060-1066.

상세보기
Chung DE, Kim HH, Kim MK, Lee KH, Park YH, Um IC (2015) Effects of different Bombyx mori silkworm varieties on the structural characteristics and properties of silk. Int J Biol Macromol 79, 943-951

상세보기
Chung DE, Um IC (2014) Effect of molecular weight and concentration on crystallinity and post drawing of wet spun silk fibroin fiber. Fiber Polym 15, 153-160.

원문보기 상세보기
Ha SW, Tonelli AE, Hudson SM (2005) Structural studies of Bombyx mori silk fibroin during regeneration from solutions and wet fiber spinning. Biomacromolecules 6, 1722-1731.

상세보기
Kim HJ, Chung DE, Um IC (2013) Effect of Processing Condition on the Homogeneity of Partially Degummed Silk Evaluated by FTIR Spectroscopy. Int J Indust Entomol 26, 54-60.

원문보기 상세보기
Kim HJ, Um IC (2014) Effect of degumming ratio on wet spinning and post drawing performance of regenerated silk. Int J Biol Macromol 67, 387-393.

상세보기
Kim J, Kim CH, Park CH, Seo JN, Kweon HY, Kang SW, Lee KG (2010) Comparison of methods for the repair of acute tympanic membrane perforations: Silk patch vs. paper patch. Wound Rep Reg 18, 132-138.

상세보기
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원문보기 상세보기
Lee WY, Um IC, Kim MK, Kwon KJ, Kim SG, Park YW (2014) Effectiveness of Woven Silk Dressing Materials on Full-skin Thickness Burn Wounds in Rat Model. Maxillofac Plast Reconstr Surg 36, 280-284.

원문보기 상세보기
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상세보기
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상세보기
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상세보기
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상세보기
Um IC, Kweon HY, Hwang CM, Min BG, Park YH (2002) Structural characteristics and properties of silk fibroin/polyurethane blend films. Int J Indust Entomol 5, 163-170.
Um IC, Kweon HY, Lee KG, Park YH (2003) The role of formic acid in solution stability and crystallization of silk protein polymer. Int J Biol Macromol 33, 203-213.

상세보기
Um IC, Kweon H, Lee KG, Ihm DW, Lee J, Park YH (2004a) Wet spinning of silk polymer: I. Effect of coagulation conditions on the morphological feature of filament. Int J Biol Macromol 34, 89-105.

상세보기
Um IC, Ki CS, Kweon H, Lee GK, Ihm DW, Park YH (2004b) Wet spinning of silk polymer: II. Effect of drawing on the structural characteristics and properties of filament. Int J Biol Macromol 34, 107-119.

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