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SPI/HA/CMC三元复合膜的制备及其性能研究
大豆分离蛋白(SPI) 透明质酸(HA) 羧甲基纤维素钠(CMC) 复合膜
2015/11/18
以甘油为增塑剂,通过溶液共混法制备大豆分离蛋白/透明质酸/羧甲基纤维素钠三元复合膜,并采用SEM、UV-Vis、拉伸试验等手段对其微结构和性能进行了研究。结果表明:当SPI含量在40%~50%时,复合膜的力学强度最大,SPI的引入能够提高复合膜表面的疏水性,同时透光率也会降低。当SPI含量较低时,水蒸气透过率较低,当SPI含量超过50%时,水蒸气透过率显著增加。该复合膜以天然高分子为基质,具备良好...
Comparison of live and inactivated Salmonella Typhimurium vaccines containing different combinations of SPI-1 and SPI-2 antigens in poultry
serological response faecal shedding attenuated vaccine
2015/3/17
Salmonella enterica subsp. enterica originating from poultry and poultry products is responsible
for the vast majority of human gastrointestinal disorders in Europe. For this reason different measur...