Today, thanks to a new semisynthetic production process, the drug is widely available, and the story has faded from the headlines.
22.
She found that this was because bacteria with Medical Research Council to study semisynthetic penicillin, cephalosporin, fucidin, lincomycin, and pristinamycin.
23.
In fact, most of the natural, synthetic or semisynthetic drugs used today come from its soil, oceans, atmosphere, plants and animals.
24.
"' Zyklophin "'is a semisynthetic peptide derived from dynorphin A and a highly selective stress-induced reinstatement of cocaine-seeking in animals.
25.
A 2007 report found that of the 974 small molecule new chemical entities developed between 1981 and 2006, 63 % were natural derived or semisynthetic derivatives of natural products.
26.
Many synthetic and semisynthetic drugs are structural modifications of the alkaloids, which were designed to enhance or change the primary effect of the drug and reduce unwanted side-effects.
27.
Oxamniquine is a semisynthetic tetrahydroquinoline and possibly acts by DNA binding, resulting in contraction and paralysis of the worms and eventual detachment from terminal venules in the mesentry, and death.
28.
"' Hydrastinine "'is a semisynthetic alkaloid from the hydrolysis of the alkaloid hydrastine, which was found naturally in small quantities in " Hydrastis canadensis"
29.
However, vitamins have been produced as commodity chemicals and made widely available as inexpensive semisynthetic and synthetic-source multivitamin dietary and food supplements and additives, since the middle of the 20th century.
30.
Bromocriptine is a semisynthetic derivative of a natural ergot alkaloid, ergocryptine ( a derivative of lysergic acid ), which is synthesized by bromination of ergocryptine using " N "-bromosuccinimide.
