The paper investigated the physical properties of muga silk.Surface properties,linear density,moisture regain and mechanical properties of muga silk were tested before and after degumming.The results show that muga si...The paper investigated the physical properties of muga silk.Surface properties,linear density,moisture regain and mechanical properties of muga silk were tested before and after degumming.The results show that muga silk has tiny fineness and high strength.The average fineness and the strength of the monofilament are 1.52 dtex and 5.62 cN/dtex,respectively.This makes up for the shortcomings of other kinds of silk,and has great potential in the application of biomaterials.展开更多
近日,家蚕基因组生物学国家重点实验室夏庆友教授领衔的家蚕功能基因组研究团队在美国化学协会（American Chemical Society）主办的生物高分子材料学国际权威杂志《Biomacromolecules》（最新JCR影响因子为5.75）上,在线发表了题为＂Mo...近日,家蚕基因组生物学国家重点实验室夏庆友教授领衔的家蚕功能基因组研究团队在美国化学协会（American Chemical Society）主办的生物高分子材料学国际权威杂志《Biomacromolecules》（最新JCR影响因子为5.75）上,在线发表了题为＂Modifying the mechanical properties of silk fiber by genetically disrupting the ionic environment for silk formation＂的研究论文,详述了该研究团队在蚕丝纤维力学性能改良方面取得的最新研究成果。展开更多
In order to explore the feasibility of tungsten filament as biomedical metal material,this article conducted a series of performance tests on two different thicknesses of black tungsten filament and two different thic...In order to explore the feasibility of tungsten filament as biomedical metal material,this article conducted a series of performance tests on two different thicknesses of black tungsten filament and two different thicknesses of white tungsten filament.It mainly tested the basic physical properties of the tungsten filament including the longitudinal cross-section of the fiber,the fiber diameter,the mechanical properties of the fiber and the biodegradability,and analyzed the results.The results showed that the breaking force of tungsten filament was about 3000MPa.And whether it was black tungsten filament or white tungsten filament,the larger the diameter,the greater the breaking force,and the breaking strength of the tungsten filament was much larger than the breaking strength of the steel wire.The larger the diameter of the tungsten filament,the slower the degradation rate.During the two months,the mass loss rate of the thick black tungsten filament was 59.40%,thin black tungsten filament was 83.88%,thick white tungsten filament was 47.39%,thin white tungsten filament was 72.29%,the degradation rate of thick tungsten wire was nearly half of the thin,and degradation mainly occured in the first months.展开更多
基金Fundamental Research Funds for the Central Universities,China(No.2232019G-06)
文摘The paper investigated the physical properties of muga silk.Surface properties,linear density,moisture regain and mechanical properties of muga silk were tested before and after degumming.The results show that muga silk has tiny fineness and high strength.The average fineness and the strength of the monofilament are 1.52 dtex and 5.62 cN/dtex,respectively.This makes up for the shortcomings of other kinds of silk,and has great potential in the application of biomaterials.
文摘近日,家蚕基因组生物学国家重点实验室夏庆友教授领衔的家蚕功能基因组研究团队在美国化学协会（American Chemical Society）主办的生物高分子材料学国际权威杂志《Biomacromolecules》（最新JCR影响因子为5.75）上,在线发表了题为＂Modifying the mechanical properties of silk fiber by genetically disrupting the ionic environment for silk formation＂的研究论文,详述了该研究团队在蚕丝纤维力学性能改良方面取得的最新研究成果。
基金Fundamental Research Funds of Central Universities,China(No.2232019G-06)。
文摘In order to explore the feasibility of tungsten filament as biomedical metal material,this article conducted a series of performance tests on two different thicknesses of black tungsten filament and two different thicknesses of white tungsten filament.It mainly tested the basic physical properties of the tungsten filament including the longitudinal cross-section of the fiber,the fiber diameter,the mechanical properties of the fiber and the biodegradability,and analyzed the results.The results showed that the breaking force of tungsten filament was about 3000MPa.And whether it was black tungsten filament or white tungsten filament,the larger the diameter,the greater the breaking force,and the breaking strength of the tungsten filament was much larger than the breaking strength of the steel wire.The larger the diameter of the tungsten filament,the slower the degradation rate.During the two months,the mass loss rate of the thick black tungsten filament was 59.40%,thin black tungsten filament was 83.88%,thick white tungsten filament was 47.39%,thin white tungsten filament was 72.29%,the degradation rate of thick tungsten wire was nearly half of the thin,and degradation mainly occured in the first months.
