Results 91 to 100 of about 8,326 (202)

Adaptive response of single and binary Pseudomonas aeruginosa and Escherichia coli biofilms to benzalkonium chloride [PDF]

open access: yes, 2012
The main goal of this work was to examine whether the continuous exposure of single and binary P. aeruginosa and E. coli biofilms to sub-lethal benzalkonium chloride (BC) doses can induce adaptive response of bacteria.
Adair   +56 more
core   +1 more source

Effect of 0.025% atropine on ocular biometry changes during accommodation

open access: yesOphthalmic and Physiological Optics, Volume 45, Issue 3, Page 865-876, May 2025.
Abstract Purpose Low concentration atropine is an effective treatment to slow myopia progression and axial elongation and also reduces accommodation. On‐axis ocular dimensions of the eye change during accommodation; hence, this study aimed to quantify the effect of 0.025% atropine eye drops on accommodation‐induced changes in ocular biometry.
Rohan P. J. Hughes   +4 more
wiley   +1 more source

The microbiology of Lascaux Cave [PDF]

open access: yes, 2010
Lascaux Cave (Montignac, France) contains paintings from the Upper Paleolithic period. Shortly after its discovery in 1940, the cave was seriously disturbed by major destructive interventions. In 1963, the cave was closed due to algal growth on the walls.
Alabouvette, Claude   +4 more
core   +1 more source

The 2023 European Union report on pesticide residues in food

open access: yesEFSA Journal, Volume 23, Issue 5, May 2025.
Abstract Under European Union legislation (Article 32, Regulation (EC) No 396/2005), the European Food Safety Authority publishes an annual report assessing the pesticide residue levels in food. In 2023, as part of the EU‐coordinated multiannual control programme subset, 13,246 samples placed on the European market were analysed, with a 1.0% found to ...
European Food Safety Authority (EFSA)   +5 more
wiley   +1 more source

Variable effects of exposure to formulated microbicides on antibiotic susceptibility in firmicutes and proteobacteria [PDF]

open access: yes, 2016
Microbicides are broad-spectrum antimicrobial agents that generally interact with multiple pharmacological targets. While they are widely deployed in disinfectant, antiseptic, and preservative formulations, data relating to their potential to select for ...
Amézquita, Alejandro   +7 more
core   +1 more source

Surfaktanti u okolišu [PDF]

open access: yes, 2010
Surfactants are a diverse group of chemicals that are best known for their wide use in detergents and other cleaning products. After use, residual surfactants are discharged into sewage systems or directly into surface waters, and most of them end up ...
Jasna Hrenović, Tomislav Ivanković
core   +2 more sources

Kinetic tetrazolium microtiter assay [PDF]

open access: yes
A method for conducting an in vitro cell assay using a tetrazolium indicator is disclosed. The indicator includes a nonionic detergent which solubilizes a tetrazolium reduction product in vitro and has low toxicity for the cells.
Koeing, David W.   +2 more
core   +1 more source

Fluorescence method for determining the mechanism and speed of action of surface-active drugs on yeast cells

open access: yesBioTechniques, 2011
New antifungal agents are needed to treat life-threatening fungal infections, particularly with the development of resistance. Surface-active antifungals have the advantages of minimizing host toxicity and the emergence of drug resistance.
Marie Kodedová   +3 more
doaj   +1 more source

THE BACTERICIDAL EFFECTS OF SOME CHEMICAL COMPOUNDS ON ENTEROPATHOGENIC BACTERIA

open access: yesIranian Journal of Public Health, 1972
The evaluation of bactericidal effects of chemical compounds is one of the primary duties of the Public health laboratories. To meet this, several compounds were tested against various strains of bacteria (Salmonella typhosa, Sh. flexneri type 2, E. Coli
A. Zarifi   +2 more
doaj  

Comparative proteomic analysis of a potentially probiotic Lactobacillus pentosus MP-10 for the identification of key proteins involved in antibiotic resistance and biocide tolerance [PDF]

open access: yes, 2016
Probiotic bacterial cultures require resistance mechanisms to avoid stress-related responses under challenging environmental conditions; however, understanding these traits is required to discern their utility in fermentative food preparations, versus ...
Abriouel, Hikmate   +7 more
core   +2 more sources

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