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ana/bactericida
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Dye-mediated bactericidal effect of He-Ne laser irradiation on oral microorganisms.
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Little attention has been given to the bactericidal effect of laser irradiation, particularly using low-power energy lasers. It has been demonstrated that He-Ne laser light has an inhibitory action on dental plaque. The purpose of this study was to investigate the bactericidal effect of He-Ne laser
The relation beween he bactericidal activities and certain physico-chemical properties of some fluorophenols.
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Endolysins: redefining antibacterial therapy.
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Bjorn Lars Herpers speaks to Natasha Leeson, Commissioning Editor: Bjorn Lars Herpers was born on 16 February 1974 in Schaesberg. In 1992 he graduated summa cum laude at Gymnasium Rolduc in Kerkrade (The Netherlands) and started to study medical biology at the University of Utrecht. After 3 years,
The bactericidal effect of an atmospheric-pressure plasma jet on Porphyromonas gingivalis biofilms on sandblasted and acid-etched titanium discs.
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Purpose
Direct application of atmospheric-pressure plasma jets (APPJs) has been established as an effective method of microbial decontamination. This study aimed to investigate the bactericidal effect of direct application of an APPJ using helium gas (He-APPJ) on PorphyromonasChitosan-based films with incorporated supercritical CO2 hop extract: Structural, physicochemical, and antibacterial properties.
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Chitosan-based films with incorporated supercritical CO2 hop extract (HE) were developed and evaluated regarding structural, physicochemical, and antibacterial properties. The morphological and spectroscopic analyses have confirmed successful incorporation of HE into the polymer matrix,
Novel RNA polymerase inhibitor found in soil extracts provides hope for future antibacterial drugs.
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Richard H Ebright talks to Rachel Coleby, Commissioning Editor: Ebright is at Rutgers University (New Brunswick, NJ, USA), where he performs research on the structure, mechanism, and regulation of bacterial transcription and on antibacterial drug discovery targeting bacterial transcription. He has
Potential of tara (Caesalpinia spinosa) gallotannins and hydrolysates as natural antibacterial compounds.
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Gallotannins obtained from tara pod extracts (EE) and from the products of acid hydrolysis for 4 and 9h (HE-4 and HE-9) were characterised for their composition, antioxidant activity, antimicrobial activity (AA) and minimum inhibitory concentration (MIC). Results of AA and MIC showed that EE exerted
Effects of acute hypervolaemic haemodilution on the expression of plasma interferon-inducible protein-10 and bactericidal/permeability-increasing protein in patients undergoing total hip replacement.
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This prospective, randomized controlled study evaluated the effects of acute hypervolaemic haemodilution (AHH) on the expression of plasma interferon-inducible protein-10 (IP-10) and bactericidal/permeability-increasing protein (BPI) in patients undergoing elective total hip replacement. Twenty
Bactericidal effect of plasma jet with helium flowing through 3% hydrogen peroxide against Enterococcus faecalis.
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The aim of the present study was to assess the antimicrobial activity of plasma jet with helium (He) flowing through 3% hydrogen peroxide in root canals infected with Enterococcus faecalis. A total of 42 single-rooted anterior teeth were prepared, sterilized, inoculated with an E. faecalis
Novel Antibacterial Peptides Isolated from the Maillard Reaction Products of Half-Fin Anchovy (Setipinna taty) Hydrolysates/Glucose and Their Mode of Action in Escherichia coli.
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The Maillard reaction products (MRPs) of half-fin anchovy hydrolysates and glucose, named as HAHp(9.0)-G MRPs, were fractionated by size exclusion chromatography into three major fractions (F1⁻F3). F2, which demonstrated the strongest antibacterial activity against Escherichia coli (E.
Enzymatic degradation of poly(L-lactide) nanoparticles followed by the release of octenidine and their bactericidal effects.
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The enzyme-triggered release of the antimicrobial agent octenidine out of poly(l-lactide)-based nanoparticles (PLLA-NPs) and their in vitro antibacterial activities in the presence of gram-positive and gram-negative bacteria are presented. The formation of the nanoparticles was achieved using a
Phytochemical and antibacterial investigations of the extracts and fractions from the stem bark of Hymenaea stigonocarpa Mart. ex Hayne and effect on ultrastructure of Staphylococcus aureus induced by hydroalcoholic extract.
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The aim of this study was to investigate the antimicrobial activity of different extracts and fractions obtained from Hymenaea stigonocarpa stem barks. The cyclohexanic, ethyl acetate, ethanol, aqueous, and hydroalcoholic extracts were obtained by maceration. The hydroalcoholic extract was
A comparison of the bactericidal activity of a series of rifampicins against Mycobacterium leprae.
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The bactericidal activity against Mycobacterium leprae of six 3-(4-methylpiperazin-1-yl-iminomethyl)rifamycin SV (rifampicin) derivatives was compared with that of rifampicin in a modified proportional bactericidal test, using a smaller number of experimental animals and allowing the administration
Metabolomics-Based Chemotaxonomic Classification of Streptomyces spp. and Its Correlation with Antibacterial Activity.
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Secondary metabolite-based chemotaxonomic classification of Streptomyces (8 species, 14 strains) was performed using ultraperformance liquid chromatography-quadrupole-time-offlight- mass spectrometry with multivariate statistical analysis. Most strains were generally well separated by grouping under
Antibacterial effect of the adhering human Lactobacillus acidophilus strain LB.
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The spent culture supernatant of the human Lactobacillus acidophilus strain LB produces an antibacterial activity against a wide range of gram-negative and gram-positive pathogens. It decreased the in vitro viability of Staphylococcus aureus, Listeria monocytogenes, Salmonella typhimurium, Shigella
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