To obtain the wound dressings which can accelerate healing effectively,vitamin E D-α-Tocopherol polyethylene glycol succinate(vitamin E TPGS),one of the common derivatives of the unstable vitamins E,was successfully ...To obtain the wound dressings which can accelerate healing effectively,vitamin E D-α-Tocopherol polyethylene glycol succinate(vitamin E TPGS),one of the common derivatives of the unstable vitamins E,was successfully incorporated into P(LLA-CL)nanofibers by electrospinning.Electron microscopy showed that the smooth cylindrical fibers were obtained,albeit with a small amount of beading visible for the vitamins-loaded fibers.The diameters of the P(LLA-CL)fibers decreased with the addition of vitamins.The incorporation of the vitamin E TPGS in the electrospun fibers was confirmed by Fourier transform infrared spectroscopy(FTIR).Moreover,X-ray diffraction(XRD)indicated that vitamin E TPGS existed in the amorphous physical form after electrospinning.Fibers containing vitamin E TPGS showed a sustained release profile over more than 100 h in vitro.Antibacterial tests demonstrated that fibers loaded with vitamin E TPGS were effective in inhibiting the growth of E.coli and S.aureus.MTT assay showed that the fibers could promote the proliferation of L929 fibroblasts.These results above demonstrate the potential of P(LLA-CL)/vitamins E TPGS(P/E)as advanced wound dressing materials.展开更多
2012年人教版小学英语四年级下册unit5围绕话题my clothes展开,重点学习服装名称及其单复数的使用习惯,该案例针对本单元＂partAlet’slearn＂一课进行教学设计。
一、教学目标
（1）知识目标：1能够听、说、认读：clothes,hat,skirt,...2012年人教版小学英语四年级下册unit5围绕话题my clothes展开,重点学习服装名称及其单复数的使用习惯,该案例针对本单元＂partAlet’slearn＂一课进行教学设计。
一、教学目标
（1）知识目标：1能够听、说、认读：clothes,hat,skirt,dress,pants.2能够熟练运用句型：I like that green skirt/those pants.展开更多
基金Science and Technology Commission of Shanghai Municipality,China(No.16410723700)“111 Project”Biomedical Textile Materials Science and Technology,China(No.B07024)UK-China Joint Laboratory for Therapeutic Textiles Based at Donghua University
文摘To obtain the wound dressings which can accelerate healing effectively,vitamin E D-α-Tocopherol polyethylene glycol succinate(vitamin E TPGS),one of the common derivatives of the unstable vitamins E,was successfully incorporated into P(LLA-CL)nanofibers by electrospinning.Electron microscopy showed that the smooth cylindrical fibers were obtained,albeit with a small amount of beading visible for the vitamins-loaded fibers.The diameters of the P(LLA-CL)fibers decreased with the addition of vitamins.The incorporation of the vitamin E TPGS in the electrospun fibers was confirmed by Fourier transform infrared spectroscopy(FTIR).Moreover,X-ray diffraction(XRD)indicated that vitamin E TPGS existed in the amorphous physical form after electrospinning.Fibers containing vitamin E TPGS showed a sustained release profile over more than 100 h in vitro.Antibacterial tests demonstrated that fibers loaded with vitamin E TPGS were effective in inhibiting the growth of E.coli and S.aureus.MTT assay showed that the fibers could promote the proliferation of L929 fibroblasts.These results above demonstrate the potential of P(LLA-CL)/vitamins E TPGS(P/E)as advanced wound dressing materials.
文摘2012年人教版小学英语四年级下册unit5围绕话题my clothes展开,重点学习服装名称及其单复数的使用习惯,该案例针对本单元＂partAlet’slearn＂一课进行教学设计。
一、教学目标
（1）知识目标：1能够听、说、认读：clothes,hat,skirt,dress,pants.2能够熟练运用句型：I like that green skirt/those pants.
