Results: 140

Enrichment of arbuscular mycorrhizal fungi in a contaminated soil after rehabilitation

Braz. j. microbiol; 47 (4), 2016
Abstract Spore counts, species composition and richness of arbuscular mycorrhizal fungi, and soil glomalin contents were evaluated in a soil contaminated with Zn, Cu, Cd and Pb after rehabilitation by partial replacement of the contaminated soil with non-contaminated soil, and by Eucalyptus camaldulensis...

Effect of ultrasonic streaming on intra-dentinal disinfection and penetration of calcium hydroxide paste in endodontic treatment

J. appl. oral sci; 24 (6), 2016
ABSTRACT Objective The antimicrobial effect of ultrasonic agitation of calcium hydroxide (CH) pastes in infected bovine dentin and their penetrability were evaluated using confocal laser scanning microscopy (CLSM) and microbiological culture. Material and Methods Fifty-two bovine teeth were infected ...

Ozone therapy as an adjuvant for endondontic protocols: microbiological – ex vivo study and citotoxicity analyses

J. appl. oral sci; 24 (6), 2016
ABSTRACT Objectives This study evaluated the antimicrobial efficacy of ozone therapy in teeth contaminated with Pseudomonas aeruginosa, Enterococcus faecalis, and Staphylococcus aureus using a mono-species biofilm model. Parallel to this, the study aimed to evaluate the cytotoxicity of ozone for human ...

Non-infected penile prosthesis cultures during revision surgery; comparison between antibiotic coated and non - coated devices

Int. braz. j. urol; 42 (6), 2016
ABSTRACT Introduction: Aim of this study is to investigate bacterial growth on non-infected devices and compare antibiotic-coated and non-coated implants. Materials and methods: The charts of 71 patients who underwent revision surgeries for penile prosthesis between 1995 and 2013 were reviewed. Of thos...

Comparação da qualidade microbiológica de sanduíches comercializados em estabelecimentos do tipo fast food franqueados e não franqueados
Comparison of the microbiological quality of commercialized sandwiches in franchised and non-franked fast food establishments

Hig. aliment; 30 (260/261), 2016
Este trabalho objetivou comparar a qualidade microbiológica e higienicossanitáriade sanduíches comercializados por restaurantes do tipo fast food, franqueados e não-franqueados. Sanduíches de mesmo padrão foram adquiridos, sob a forma de consumidor, em 4 estabelecimentos franqueados e 4 não-franqu...

Microbial investigation of biofilms recovered from endotracheal tubes using sonication in intensive care unit pediatric patients

Braz. j. infect. dis; 20 (5), 2016
Abstract Objectives To compare cultured microorganisms identified on endotracheal tubes biofilms through sonication technique with traditional tracheal aspirate collected at extubation of pediatric intensive care unit patients. Methods Demographic and epidemiological data were analyzed to identify fact...

Antimicrobial susceptibility of Brazilian Clostridium difficile strains determined by agar dilution and disk diffusion

Braz. j. infect. dis; 20 (5), 2016
Abstract Clostridium difficile is a leading cause of diarrhea in hospitalized patients worldwide. While metronidazole and vancomycin are the most prescribed antibiotics for the treatment of this infection, teicoplanin, tigecycline and nitazoxanide are alternatives drugs. Knowledge on the antibiotic susce...

Exopolysaccharide dispelled by calcium hydroxide with volatile vehicles related to bactericidal effect for root canal medication

J. appl. oral sci; 24 (5), 2016
ABSTRACT Objective: Enterococcus faecalis is the dominant microbial species responsible for persistent apical periodontitis with ability to deeply penetrate into the dentin. Exopolysaccharides (EPS) contribute to the pathogenicity and antibiotic resistance of E. faecalis. Our aim was to investigate the ...

Inactivation of Listeria monocytogenes ATCC 7644 on fresh-cut tomato using nisin in combinations with organic salts

Braz. j. microbiol; 47 (3), 2016
ABSTRACT The inhibition of Listeria monocytogenes ATCC 7644 on fresh-cut tomato was investigated using nisin alone, and in combinations with organic salts. Nisin at a concentration of 5000 UI/mL was introduced alone or in combination with an organic salt (sodium citrate or sodium acetate each at 3 and 5 ...

Effect of silver nanoparticles on the physicochemical and antimicrobial properties of an orthodontic adhesive

J. appl. oral sci; 24 (4), 2016
ABSTRACT Orthodontic treatment with fixed brackets plays a major role on the formation of white spot lesions. Objective This study aimed to incorporate silver nanoparticle solutions (AgNP) in an orthodontic adhesive and evaluate its physicochemical and antimicrobial properties. Material and Methods S...