Streptomycin in Ophthalmology

Tuberculin in Ophthalmology Tuberculin in Ophthalmology

Streptomycin resistance in a streptomycin-producing microorganism.

Cell-free extracts of Streptomyces bikiniensis contain an adenosine 5'-triphosphate-dependent kinase which inactivates streptomycin (Sm) and dihydrostreptomycin by phosphorylation. The products have been identified as streptomycin 6-phosphate and dihydrostreptomycin 6-phosphate. Activity was not present in logarithmic-phase cells, which were susceptible to 25 mug of Sm per ml. In stationary-pha...

Streptomycin

ever, certain adjuvants, e.g. para-aminosalicylic acid, may delay the development of drug-resistance. Streptomycin is not absorbed from the alimentary tract and, therefore, it must always be given intramuscularly as well as directly, where possible, into the spaces which it is desired to render free from bacteria. The drug is excreted by the kidney. After intramuscular injection an adequate blo...

Streptomycin

THIS book is a practical guide wlhiclh deals with imiost of the cond(litionis which come wvithin the scope of plastic surgery as practised in the British Isles. The first six chapters arc devoted to basic principles such as the' use of free skin grafts, flaps and tube pedicles, transplantation of tissues othelthan skini and the treatment of wounds, burns, frostbite, scars and(i keloids. The nex...

Ophthalmology

This recent addition to the Clio Medica series is very welcome for several reasons. It is almost unique, for the only other histories of ophthalmology in English are a very short essay by Sorsby and an article by Shastid in the American Encyclopedia of Ophthalmology. The brevity of Chance's history has excluded a separate bibliography, yet the author has managed to include mention in the text o...