A simple two-step procedure for the purification of IgM from acute phase hepatitis A infected chimpanzee serum has been developed. The procedure involves the precipitation of the euglobulin fraction with boric acid and the fractionation of the resuspended material on Sephacryl S-300 (Pharmacia Fine
In the last years, there have been important advances in sexually transmitted infections such as genome sequencing of Treponema pallidum, Chlamydia trachomatis or Mycoplasma genitalium; the new taxonomic position of Calymmatobacterium granulomatis; commercial diagnostic systems based on nucleic acid
اكتب أحد الأعراض أو المرض واقرأ عن الأعشاب التي قد تساعد ، واكتب عشبًا واطلع على الأمراض والأعراض التي تستخدم ضدها. * تستند جميع المعلومات إلى البحوث العلمية المنشورة