Antibiotic Agents
Mostrando 13-24 de 670 artigos, teses e dissertações.
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13. Exopolysaccharide dispelled by calcium hydroxide with volatile vehicles related to bactericidal effect for root canal medication
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 antimicrobial activity of calcium hydroxide (CH), camph
J. Appl. Oral Sci.. Publicado em: 2016-10
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14. Synthesis and Anti-Staphylococcal Activity of 2,4-Disubstituted Diphenylamines
Infections caused by Staphylococcus aureus are ubiquitous and life threatening. Evolution of resistant strains has necessitated the need to continuously discover new drugs to combat such organisms. Diphenyl ethers, such as triclosan, have recently shown potential as antibacterial agents. In this study, a series of diphenyl amines were synthesized and evaluat
J. Braz. Chem. Soc.. Publicado em: 2016-06
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15. Biodiversity of Antimicrobial-Producing Actinomycetes Strains Isolated from Dry Dipterocarp Forest Soil in Northeast Thailand
The increasing use of antibiotics has led to the development of drug-resistant microorganisms. The emergence of resistant strains has compromised the treatment and control of infectious diseases. As a result, the search and development of a novel class of antibiotic drugs are required. Actinomycetes have been recognized as a richest source of secondary metab
Braz. arch. biol. technol.. Publicado em: 06/05/2016
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16. Effects of the encapsulation of usnic acid into liposomes and interactions with antituberculous agents against multidrug-resistant tuberculosis clinical isolates
Mycobacterium tuberculosis (Mtb) has acquired resistance and consequently the antibiotic therapeutic options available against this microorganism are limited. In this scenario, the use of usnic acid (UA), a natural compound, encapsulated into liposomes is proposed as a new approach in multidrug-resistant tuberculosis (MDR-TB) therapy. Thus the aim of this st
Mem. Inst. Oswaldo Cruz. Publicado em: 29/04/2016
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17. Isolation of
Dickeya dadantii strains from potato disease and biocontrol by their bacteriophagesOne of the most economically important bacterial pathogens of plants and plant products is
Dickeya dadantii . This bacterium causes soft rot disease in tubers and other parts of the potato and other plants of theSolanaceae family. The application of restricted host range bacteriophages as biocontrol agents has recently gaBraz. J. Microbiol.. Publicado em: 21/07/2015
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18. Sub-MIC of antibiotics induced biofilm formation of Pseudomonas aeruginosa in the presence of chlorhexidine
Public health is facing a new challenge due to the alarming increase in bacterial resistance to most of the conventional antibacterial agents. It has been found that only minor cell damage is caused when exposed to sub-lethal levels of antimicrobial. Biofilms can play an important role in producing resistance, which is developed to reservoirs of pathogens in
Braz. J. Microbiol.. Publicado em: 2015-03
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19. Clinical and epidemiological differences between septic arthritis of the knee and hip caused by oxacillin-sensitive and -resistant s. aureus
OBJECTIVE: To establish the risk factors for joint infection by oxacillin-resistant Staphylococcus aureus (MRSA) using clinical and epidemiological data. METHODS: All septic arthritis cases of the knee and hip diagnosed and treated in our institution from 2006 to 2012 were evaluated retrospectively. Only patients with cultures identified as microbial agents
Clinics. Publicado em: 2015-01
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20. Predictors of 7- and 30-day mortality in pediatric intensive care unit patients with cancer and hematologic malignancy infected with Gram-negative bacteria
Background:Infection with Gram-negative bacteria is associated with increased morbidity and mortality. The aim of this study was to evaluate the predictors of 7- and 30-day mortality in pediatric patients in an intensive care unit with cancer and/or hematologic diseases and Gram-negative bacteria infection.Methods:Data were collected relating to all episodes
Braz J Infect Dis. Publicado em: 2014-12
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21. Antimicrobial activity of allylic thiocyanates derived from the Morita-Baylis-Hillman reaction
Bacterial resistance to commonly used antibiotics has been recognized as a significant global health issue. In this study, we carried out the screening of a family of allylic thiocyanates for their action against a diversity of bacteria and fungi with a view to developing new antimicrobial agents. Allylic thiocyanates bearing halogenated aryl groups, which w
Braz. J. Microbiol.. Publicado em: 2014-09
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22. Pharmacodynamic profiling of commonly prescribed antimicrobial drugs against Escherichia coli isolates from urinary tract
Since antimicrobial resistance among uropathogens against current first line agents has affected the management of severe urinary tract infection, we determined the likelihood that antibiotic regimens achieve bactericidal pharmacodynamic exposures using Monte Carlo simulation for five antimicrobials (ciprofloxacin, ceftriaxone, piperacillin/tazobactam, ertap
Braz J Infect Dis. Publicado em: 2014-09
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23. Patient automedication and professional prescription pattern in an urgency service in Brazil
Several studies have indicated an increased resistance of microorganisms resulting from the widespread use of antimicrobial agents. However, few data are available in the dental literature. The aim of this study was to conduct a survey on the patterns of patient usage of antimicrobial prescriptions agents by dentists. A retrospective cross-sectional study wa
Braz. oral res.. Publicado em: 26/08/2014
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24. Evaluation of the use of systemic antimicrobial agents by professionals for the treatment of periodontal diseases
AIM: To investigate the indication of systemic antimicrobial agents used by dental professionals for treatment of patients affected by periodontal diseases. METHODS: Interviews by a questionnaire were held with 225 professionals of different dental specialties and who performed periodontal treatment. RESULTS: Among interviewees, 94% indicated systemic antibi
Braz. J. Oral Sci.. Publicado em: 2013-12