منابع مشابه
Antimicrobial Effect of Intracanal Substances
In some situations, endodontic infections do not respond to therapeutic protocol. In these cases, it is suggested the administration of an alternative intracanal medication that presents a wide spectrum of action and has an in-depth effect on the root canal system. The purpose of this study was to assess the antimicrobial action of ciprofloxacin, metronidazole and polyethylene glycol and natros...
متن کاملThirteen new records of ferns from Brazil
Thirteen fern species are reported for the first time for Brazil. Among the new records, eight are from Acre state (Cyatheasubincisa, Cyclodiumtrianae, Elaphoglossumstenophyllum, Hypoderrisbrauniana, Pleopeltisstolzei, Thelypterisarcana, Thelypteriscomosa, Thelypterisvaldepilosa), two are from Pará state (Polypodiumflagellare, Tectariaheracleifolia), one from Minas Gerais state (Alsophilasalvin...
متن کاملIdentification of the antimicrobial substances produced by Solanum palinacanthum (Solanaceae).
To find out natural antimicrobial agents as alternative in therapeutics and to preserve food, the methanol extract of Solanum palinacanthum aerial parts was submitted to purification steps guided by antibacterial and antifungal assays. As a consequence, the flavonoid rutin and 3,5-dicaffeoylquinic acid were isolated by column chromatography and high performance liquid chromatography, and identi...
متن کاملEscherichia coli strains from ostriches and their sensitivity to antimicrobial substances.
Ostriches are bred especially for their high-quality meat. There is a lack of knowledge concerning the ostrich's microflora. Escherichia coli is a commensal microorganism of the poultry intestine, ostriches included. However, some strains may become pathogenic. This study was therefore undertaken to detect coliform bacteria in ostrich faeces and to test their antibiotic profile and sensitivity ...
متن کاملAntimicrobial activity of silicone rubber used in hydrocephalus shunts, after impregnation with antimicrobial substances.
Colonisation of cerebrospinal fluid shunts by coagulate-negative staphylococci (Staphylococcus albus) is a serious problem. Because of its possible role in prevention of the condition, the antimicrobial activity of silicone rubber after impregnation with antimicrobial drugs was studied. The method of impregnation used and test methods were found to be important. Formaldehyde-urea condensates ga...
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ژورنال
عنوان ژورنال: Nature
سال: 1961
ISSN: 0028-0836,1476-4687
DOI: 10.1038/191518a0