Within single cells there is a complex myriad of signaling which controls physiolo...

Wood is a unique combination of the biological polymers cellulose, lignin, and hem...

X-ray absorption spectroscopy (XAS) involves the excitation of core electrons to b...

X-ray crystallography has been particularly important in the study of the enzyme n...

X-ray crystallography provides a powerful tool for the study of antigen- antibody ...

原理鸡胚培养方法操作简便，适用于流感病毒，痘病毒，疱疹病毒和脑炎病毒等的培养。最常用的鸡胚接种方法有四种，即绒毛尿囊膜接种法，羊膜腔（羊水囊）接种法，尿囊腔接种法和...