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At least 235 records · Page 13Linked to original sources
PubMed1993

The decomposition of phenylmercuric nitrate in sulphacetamide drops during heat sterilization.

Analytical methods have been developed which enable phenylmercuric nitrate, mercuric ion and diphenylmercury to be measured in sulphacetamide drops. Application of these methods demonstrate that during heat sterilization of both 10 and 30% sulphacetamide drops containing phenylmercuric nitrate, together with disodium edetate and sodium metabisulphite, there is a 20-30% overall loss of phenylmercuric nitrate. This loss occurs mainly due to the phenylmercuric ion establishing an equilibrium with equimolar amounts of mercuric ion and diphenylmercury.

Chromatography, High Pressure Liquid↗
PubMed1982

In vitro susceptibility of Gardnerella vaginalis and Bacteroides organisms, associated with nonspecific vaginitis, to sulfonamide preparations.

Recent reports suggest that anaerobic Bacteroides organisms are frequently found with Gardnerella vaginalis in nonspecific vaginitis. Specimens taken from 96 women with vaginal discharge were tested simultaneously for these organisms. G. vaginalis was found in 73% of the specimens, Bacteroides was found in 53%, and both organisms were found in 47%. Sulfonamides have been widely used in the successful treatment of vaginitis. Paradoxically, G. vaginalis is reported to be resistant, and it has been suggested that it could be the vehicle of the drugs which effects the cure. Little is known of the susceptibility of vaginal anaerobes to the sulfonamides. G. vaginalis and Bacteroides isolates were therefore tested in vitro against the individual excipients of sulfonamide tablets, and minimal inhibitory concentration tests were also performed against the three active drugs. The excipients had no effect on G. vaginalis, but Bacteroides strains were susceptible to the urea component. All strains of both organisms were susceptible to at least two of the three sulfonamides at high concentrations.

Bacteroides↗
PubMed1970

Chemoprophylaxis of Shigella flexneri keratoconjunctivitis in rabbits.

Chloramphenicol, chlortetracycline, streptomycin, and sulfisoxazole prevented keratoconjunctivitis in rabbit eyes infected with Shigella flexneri. The route of administration of the agent and the dose were important variables in controlling the infectious process. This assay system appears to be a useful technique for the in vivo evaluation of chemotherapeutic agents.

Animals↗
PubMed1976

Nocardia asteroides keratitis. A case report.

An 11-year-old girl developed a corneal ulcer five days after sustaining a corneal abrasion from a fishline sinker. After more than three weeks, the epithelial defect had closed, but superficial stromal opacities in a ring-like distribution had not cleared on topical gentamicin, prednisolone 1% and atropine. Several scrapings disclosed the presence of branching hyphae on smear, eventually identified as Nocardia asteroides by culture. Although sensitivity studies suggested that subconjunctival ampicillin and hourly sodium sulphacetamide would constitute effective treatment, resolution was only partial on this regimen. Only when penicillin G drops were added did the cornea clear maximally and the epithelium heal.

Ampicillin↗
PubMed1985

Enterobacter cloacae ulceration in a failed corneal graft: a case report.

A 70-year-old female developed a bacterial ulcer in a previously rejected corneal graft. Cultures identified the pathogen as Enterobacter cloacae. Intensive topical antibiotic therapy arrested the progress of the ulcer, and the epithelial defect healed in one week; there was no resultant stromal thinning. Factors which may have predisposed the cornea to ulceration by this organism of relatively low virulence include chronic oedema following graft rejection, topical corticosteroid therapy, and tear insufficiency.

Aged↗