Preparing a Complex Medium1.Prepare 500 ml of tryptic soy broth according to the recipe outlined in table1.1.2.Add 375 ml of distilled water to a 1-liter Erlenmeyer flask and add the ingredients individually(use half the amounts given) ; mix after each ad...[继续阅读]

    PrinciplesHe isolation of pathogenic enteric bacilli,especially those belonging to thegenus Salmonella.This formulation is not recommended for the primary isolationof Shigella.The culture media that have been developed for the selection and differentiatio...[继续阅读]

    1.Master the use and maintenance of microscope.(Low magnification to findthe Microscopic view,low power—High magnification 10×lens 40×lens)You must be patient to find,see and observe.2.Master the morphological features of different genius of medical Proto...[继续阅读]

    1.记录血浆凝固酶试验和药敏实验结果。2.结合系列实验结果,对病原性球菌鉴定作出结论。...[继续阅读]

    Materialsinoculating loopnoculating needleBunsen burner24-hour tryptic soy broth and tryptic soy agartryptic soy broth tubestryptic soy agar slantstryptic soy agar deeps...[继续阅读]

    Staphylococcus aureus ; S.epidermidis; S.saprophyticus; Streptococcus pneumoniae; Streptococcus equi(Group C);tryptic soy broth culture of Streptococcusmitis(Group D); tryptic soy broth culture of Streptococcus pyogenes(Group A);tryptic soy broth culture ...[继续阅读]

    1.熟悉超敏反应的机制。2.掌握Ⅰ超敏基本原理。...[继续阅读]

    First Period(1)With a wax pencil,mark the lid of each Mueller Hinton agar plate withyour name,date,and the name of the bacterium to be inoculated.Each group ofstudents will inoculate the surface of four Mueller-Hinton plates with S.aureus,E.coli,P.aerugin...[继续阅读]

    (一) 病原性球菌的检查程序病原性球菌常引起化脓性疾病,分离用标本多采用脓、痰液,但也可从分泌物、血液及穿刺液中取材。1.标本采集:(1)脓液: 用无菌棉拭挑取患部深处脓液或分泌物放入无菌试管内。(2)痰液: 用无菌容器收集痰...[继续阅读]

    PrinciplesMany proteins are rich in sulfur-containing amino acids such as cysteine.When these proteins are hydrolyzed by some bacteria,the amino acids are released and taken up as nutrients.Cysteine,in the presence of cysteine desulfurase,loses its sulfur...[继续阅读]