共查询到20条相似文献,搜索用时 31 毫秒
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A bioassay method that allows for the estimation of serum concentrations of mefloquine is presented. Concentrations obtained by bioassay and high performance liquid chromatography showed a good correlation. This bioassay should be helpful in assessing prophylactic/treatment failures to mefloquine under field conditions. 相似文献
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草鱼是我国淡水养殖最重要的鱼类之一,其养殖过程易受细菌性或病毒性病原的侵袭,嗜水气单胞菌Aeromonas hydrophila是引发其暴发性败血症的主要细菌性病原之一,对草鱼养殖造成严重的威胁。因此研制疫苗以实现免疫预防极为重要。传统的嗜水气单胞菌疫苗有灭活全菌疫苗、弱毒疫苗等,但其成分复杂、 相似文献
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J L Fox 《Journal of theoretical biology》1978,70(3):335-337
A model for the mechanism of action of bacterial hydrogenase is presented which assumes a single binding site. A series of conformation dependent alterations of the enzyme-substrate interaction are used to describe the unidirectional behavior of the reaction and eliminate the requirement of a modulation binding site to account for allosteric enzyme kinetics. 相似文献
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A radioimmunoassay for amanitin. 总被引:1,自引:0,他引:1
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Logotheti M Kotsovili-Tseleni A Arsenis G Legakis NI 《Journal of microbiological methods》2009,76(2):209-211
Aspergillus pathogens usually infect immunocompromised patients with lethal outcome. We report a multiplex PCR assay for the discrimination of the most frequent Aspergillus pathogens, A. fumigatus, A. flavus, A. niger and A. terreus, through distinct amplicons of 250 bp, 200 bp, 150 bp and 450 bp respectively, derived from the rDNA gene of A. terreus and the aspergillopepsin genes of the remaining species. 相似文献
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Morris E. Opler 《American anthropologist》1960,62(2):342-343
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