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Mostrando ítems 41-50 de 498
Antimicrobial photodynamic action on dentin using a light-emitting diode light source
(MARY ANN LIEBERT INC, 2008)
Objective: The aim of this study was the evaluation of two different photosensitizers activated by red light emitted by light-emitting diodes (LEDs) in the decontamination of carious bovine dentin. Materials and Methods: ...
Monitoramento da exposição pessoal ao poluente atmosférico black carbon
(Universidade Tecnológica Federal do ParanáApucaranaLondrinaBrasilPrograma de Pós-Graduação em Engenharia AmbientalUTFPR, 2017-02-16)
The concentration of atmospheric pollutants has been significantly growing over the last years, mainly due to anthropic sources, reducing the urban air quality and exposing the population to high pollution levels. The ...
Susceptibility of Staphylococcus aureus to porphyrin-mediated photodynamic antimicrobial chemotherapy: an in vitro study
(Springer London Ltd, 2010-05-01)
The ability of Staphylococcus aureus to develop multidrug resistance is well documented, and the antibiotic resistance showed by an increasing number of bacteria has shown the need for alternative therapies to treat ...
Susceptibility of Staphylococcus aureus to porphyrin-mediated photodynamic antimicrobial chemotherapy: an in vitro study
(Springer London Ltd, 2010-05-01)
The ability of Staphylococcus aureus to develop multidrug resistance is well documented, and the antibiotic resistance showed by an increasing number of bacteria has shown the need for alternative therapies to treat ...
Photodynamic inactivation mediated by erythrosine and its derivaties on foodborne pathogens and spoilage bacteriaPhotodynamic inactivation mediated by erythrosine and its derivaties on foodborne pathogens and spoilage bacteria
(Universidade Estadual de MaringáBrasilPrograma de Pós-Graduação em Ciência de AlimentosUEMMaringá, PRCentro de Ciências Agrárias, 2018)
Emissions from Electronic Cigarettes: Assessing Vapers’ Intake of Toxic Compounds, Secondhand Exposures, and the Associated Health Impacts
(American Chemical Society, 2017-08)
E-cigarettes likely represent a lower risk to health than traditional combustion cigarettes, but they are not innocuous. Recently reported emission rates of potentially harmful compounds were used to assess intake and ...
Polymerization of composite resin using different light-curing units by direct and indirect techniques
(Quintessenz VerlagsBerlim, 2008)
Purpose: The aim of this study was to evaluate the curing efficiency, through tooth slices (0, 1.2, 1.5 and 2.0 mm), of three different light sources. Materials and Methods: Three caries-free mandibular 3rd molars were ...
Avaliação da qualidade e proposta de modernização da iluminação existente da UTFPR-CT
(Universidade Tecnológica Federal do ParanáCuritibaBrasilGraduação em Engenharia ElétricaUTFPR, 2017-11-24)
Fluorescent lamps used widely by industries, businesses, and homes, require proper disposal because they contain heavy metals that are toxic and harmful to the environment, also generate a large amount of ultraviolet (UV) ...