R2a Agar
Mostrando 13-24 de 481 artigos, teses e dissertações.
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13. Rhizobacterial characterization for quality control of eucalyptus biogrowth promoter products
Abstract Plant growth-promoting rhizobacteria strains from special formulations have been used to optimize eucalyptus cutting production. To undertake quality control for the formulated products, the rhizobacterial strains should be characterized to assess their purity and authentication. In the present study, we characterized nine strains of rhizobacteria,
Braz. J. Microbiol.. Publicado em: 2016-12
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14. Degradation of polynuclear aromatic hydrocarbons by two strains of Pseudomonas
ABSTRACT The goal of this investigation was to isolate competent polynuclear aromatic hydrocarbons degraders that can utilize polynuclear aromatic hydrocarbons of former industrial sites at McDoel Switchyard in Bloomington, Indiana. Using conventional enrichment method based on soil slurry, we isolated, screened and purified two bacterial species strains PB1
Braz. J. Microbiol.. Publicado em: 2016-09
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15. Is Malassezia nana the main species in horses’ ear canal microbiome?
ABSTRACT The objective of this study was to characterize genotypically Malassezia spp. isolated from the external ear canal of healthy horses. Fifty-five horses, 39 (70.9%) males and 16 (29.1%) females, from different breeds and adults were studied. External ear canals were cleaned and a sterile cotton swab was introduced to collect cerumen. A total of 110 s
Braz. J. Microbiol.. Publicado em: 2016-09
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16. Quantificação de fenóis, flavonoides totais e atividades farmacológicas de geoprópolis de Plebeia aff. Flavocincta do Rio Grande do Norte
Resumo: Esse estudo objetivou avaliar a composição química e potencial terapêutico do extrato hidroalcóolico de geoprópolis produzidas por abelhas Plebeia aff. flavocincta no semiárido do Rio Grande do Norte. Oito amostras (A-H) foram submetidas a quantificação dos teores de fenóis e flavonoides totais e avaliação da atividade antioxidante atrav�
Pesq. Vet. Bras.. Publicado em: 2016-09
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17. In vitro antifungal activity of four chemotypes of Lippia alba (Verbenaceae) essential oils against Alternaria solani (Pleosporeaceae) isolates
Vários compostos naturais voláteis produzidos pelo metabolismo secundário de plantas têm demonstrado ação antimicrobiana comprovada, permitindo a sua utilização no controle de fitopatógenos. Apresentam também, baixo impacto ambiental em comparação aos pesticidas convencionais. Os óleos essenciais apresentam esses compostos que podem ser encontra
An. Acad. Bras. Ciênc.. Publicado em: 31/05/2016
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18. Potencial deteriorante de Paenibacillus sp. no leite cru refrigerado brasileiro
RESUMO: Os esporos de bactérias estão amplamente difundidos no ambiente e podem contaminar o leite. Os esporos conferem resistência aos processos térmicos e sua germinação pode reduzir a vida útil do leite pasteurizado, uma vez que bactérias esporuladas aeróbias são muito frequentemente produtoras de proteases e lipases. O objetivo do presente tra
Cienc. Rural. Publicado em: 2016-04
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19. Antimicrobial activity of complete denture cleanser solutions based on sodium hypochlorite and Ricinus communis – a randomized clinical study
ABSTRACT To preserve oral health and to maintain the prosthetic devices, it is important not only to improve the properties of commonly known hygiene products, but also to investigate new materials with antimicrobial action. Objectives This study evaluated the antimicrobial activity of sodium hypochlorite (0.25% and 0.50%) and 10% Ricinus communis’ solut
J. Appl. Oral Sci.. Publicado em: 2015-12
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20. Evaluation of Bacillus spp. as dough starters for Adhirasam - A traditional rice based fermented food of Southern India
Abstract Adhirasam is a cereal based, doughnut shaped, deep fried dessert consumed in the southern regions of India. The dough used to prepare adhirasam is fermented and contains rice flour and jaggery. The aim of the present study was to characterize the cultivable bacteria associated with this fermented dough and to identify a suitable starter culture for
Braz. J. Microbiol.. Publicado em: 09/10/2015
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21. Exploring the Anticancer Activity of Grape Seed Extract on Skin Cancer Cell Lines A431
In this study, grape seeds were extracted using ethyl acetate and petroleum ether by solvent-solvent extraction method. The phytochemical tests were performed to identify different phytochemical compounds present in the grape seed extract (GSE). Antibacterial activity of the GSE was determined using agar diffusion method against Gram- positive and Gram-negat
Braz. arch. biol. technol.. Publicado em: 2015-08
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22. Detecção de resistência às fluoroquinolonas em Campylobacter isolados de frangos de criação orgânica
Resumo Estudos têm revelado que a resistência às quinolonas em cepas de Campylobacter está relacionada à presença da mutação Treonina-86 para Isoleucina. Com o objetivo de investigar a presença dessa mutação em cepas de Campylobacter sensíveis e resistentes à ciprofloxacina e enrofloxacina, o conteúdo cecal de 80 frangos de corte de criação o
Pesq. Vet. Bras.. Publicado em: 2015-07
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23. Nosocomial candidiasis in Rio de Janeiro State: Distribution and fluconazole susceptibility profile
One hundred and forty-one Candida species isolated from clinical specimens of hospitalized patients in Rio de Janeiro, Brazil, during 2002 to 2007, were analized in order to evaluate the distribution and susceptibility of these species to fluconazole. Candida albicans was the most frequent species (45.4%), followed by C. parapsilosis sensu lato (28.4%), C. t
Braz. J. Microbiol.. Publicado em: 2015-06
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24. Antifungal Susceptibility In Vitro Determined by the Etest(r) for Candida Obtained from the Oral Cavity of Irradiated and Elderly Individuals
Esse estudo objetivou avaliar a susceptibilidade antifúngica in vitro de espécies de Candida obtidas de pacientes irradiados em cabeça e pescoço (Grupo 1), idosos não institucionalizados (Grupo 2) e idosos institucionalizados (Grupo 3) usando a metodologia Etest(r). Candida foi isolada da saliva e identificada presuntivamente pelo teste CHROMagar Candid
Braz. Dent. J.. Publicado em: 2015-04