轮状病毒(Rotavirus,RV)是引起婴幼儿及幼龄动物急性腹泻甚至死亡的重要病原。2009年,首次在幼龄大熊猫粪便中分离到RV,被确定为A组,并将其命名为大熊猫轮状病毒(Giant Panda Rotavirus,GPRV)CH-1株。GPRV CH-1株主要感染断奶后的大熊猫...轮状病毒(Rotavirus,RV)是引起婴幼儿及幼龄动物急性腹泻甚至死亡的重要病原。2009年,首次在幼龄大熊猫粪便中分离到RV,被确定为A组,并将其命名为大熊猫轮状病毒(Giant Panda Rotavirus,GPRV)CH-1株。GPRV CH-1株主要感染断奶后的大熊猫,引起急性传染性、顽固性腹泻甚至死亡,这对大熊猫的健康造成了严重的危害。本文介绍了GPRV CH-1株的基因结构和病毒蛋白结构及其生物信息学分析学以及该病的诊断方法和防治措施,以期为该病致病机制及疫苗研究提供参考。展开更多
Based on the principle of bacterial leaching and bacterial metallurgy,a novel technology for the detoxification of chromium-containing slag by Achromobacter sp.CH-1 and chromium recovery was proposed.Strain CH-1 cell ...Based on the principle of bacterial leaching and bacterial metallurgy,a novel technology for the detoxification of chromium-containing slag by Achromobacter sp.CH-1 and chromium recovery was proposed.Strain CH-1 cell morphology before and after Cr(Ⅵ) reduction was observed with a scanning electron microscope(SEM),and the reduction product is found to adhere to terminals of CH-1 cells.Energy-dispersive X-ray(EDX) and electron paramagnetic resonance(EPR) analyses reveal that the main component of the reduction product is Cr(Ⅲ).Furthermore,small and large-scale demonstration projects reveal that Achromobacter sp.can be used to detoxify chromium-containing slag and to selectively recover chromium by using this novel technique.Chromium recovery rate increases with decreasing particle sizes of chromium-containing slag and slagheap height.Chromium recovery rates in 10 t/batch and 20 t/batch of on-site demonstration projects for chromium-containing slag detoxification are more than 90%.展开更多
A simple and effective method has been developed to reflect the growth of bacteria CH-1via the potential of the solution.The results indicate that during the bacterial cultivation,the biomass increases and the potenti...A simple and effective method has been developed to reflect the growth of bacteria CH-1via the potential of the solution.The results indicate that during the bacterial cultivation,the biomass increases and the potential of the solution decreases over time.The relationship between biomass and potential of the solution could be expressed by the equation with constants of a and b whichare all related to species,batch,number,and growth environment of bacterial.When the initial pH value is10and the initial biomassis6.55×107cell/mL,the correlated equation of the biomass and the potential of the solution could be divided into two segments.Thegrowth of bacteria CH-1is different under various experimental conditions,but the biomass is directly related to the potential of thesolution regardless of the conditions of different initial pH values and bacteria number.展开更多
文摘轮状病毒(Rotavirus,RV)是引起婴幼儿及幼龄动物急性腹泻甚至死亡的重要病原。2009年,首次在幼龄大熊猫粪便中分离到RV,被确定为A组,并将其命名为大熊猫轮状病毒(Giant Panda Rotavirus,GPRV)CH-1株。GPRV CH-1株主要感染断奶后的大熊猫,引起急性传染性、顽固性腹泻甚至死亡,这对大熊猫的健康造成了严重的危害。本文介绍了GPRV CH-1株的基因结构和病毒蛋白结构及其生物信息学分析学以及该病的诊断方法和防治措施,以期为该病致病机制及疫苗研究提供参考。
文摘Based on the principle of bacterial leaching and bacterial metallurgy,a novel technology for the detoxification of chromium-containing slag by Achromobacter sp.CH-1 and chromium recovery was proposed.Strain CH-1 cell morphology before and after Cr(Ⅵ) reduction was observed with a scanning electron microscope(SEM),and the reduction product is found to adhere to terminals of CH-1 cells.Energy-dispersive X-ray(EDX) and electron paramagnetic resonance(EPR) analyses reveal that the main component of the reduction product is Cr(Ⅲ).Furthermore,small and large-scale demonstration projects reveal that Achromobacter sp.can be used to detoxify chromium-containing slag and to selectively recover chromium by using this novel technique.Chromium recovery rate increases with decreasing particle sizes of chromium-containing slag and slagheap height.Chromium recovery rates in 10 t/batch and 20 t/batch of on-site demonstration projects for chromium-containing slag detoxification are more than 90%.
基金Projects(51304251,51504299)supported by the National Natural Science Foundation of ChinaProject(201509050)supported by Special Program on Environmental Protection for Public Welfare,China
文摘A simple and effective method has been developed to reflect the growth of bacteria CH-1via the potential of the solution.The results indicate that during the bacterial cultivation,the biomass increases and the potential of the solution decreases over time.The relationship between biomass and potential of the solution could be expressed by the equation with constants of a and b whichare all related to species,batch,number,and growth environment of bacterial.When the initial pH value is10and the initial biomassis6.55×107cell/mL,the correlated equation of the biomass and the potential of the solution could be divided into two segments.Thegrowth of bacteria CH-1is different under various experimental conditions,but the biomass is directly related to the potential of thesolution regardless of the conditions of different initial pH values and bacteria number.
