Two new polyhydroxysteroids, 12β,16β,20-trihydroxycholesta-1,4-dien-3-one 16-acetate(1) and 24- methyl-12β,16β,20-trihydroxycholesta-1,4-dien-3-one(2) were
[N-(Propionic acid)] terephthalal acyl dihydrazone(H4L) was synthesized and characterized by element analysis,IR,1 H NMR and MS.The theoretical studies on H4L w
A new method based on the cloud point extraction(CPE) for separation and preconcentration of nickel(Ⅱ) and its subsequent determination by graphite furnace ato
In this paper,we compared the sensitivities of AFEST(a thermophilic esterase from the archaea Archaeoglobus fulgidus) and acetylcholinesterase(AChE) towards fiv
To explore the primary humoral and cellular immunological mechanism of the combined hepatitis A-measles-varicella vaccine, the mice were inoculated with hepatit
1 IntroductionFullerene has received considerable attention and a great researching interest due to its unique structure and interesting properties[1-3].Many fu