نتایج جستجو برای: bacterial inhibition zone
تعداد نتایج: 628955 فیلتر نتایج به سال:
Abstract Synthesis of silver nanoparticles using a bioreductant simpur leaf extract to minimize the use inorganic materials that are harmful and not environmentally friendly. Silver with bioreduction method, solution was mixed AgNO3 precursor addition PVA concentrations 0%, 0.75%, 1.5% 3%. The purpose this study determine effect on characteristics antibacterial activity. Analysis functional gro...
background and objectives: application of garlic oil in food industry can be improved by encapsulation. there is no study about the formation of inclusion complex of garlic oil by beta-cyclodextrin. the aim of the present study is comparison of the antioxidant and antibacterial activities of free and encapsulated garlic oil with beta-cyclodextrin. materials and methods: antioxidant activity was...
In this study, we elaborated new chitosan-based films reinforced by iron(III)-containing chitosan nanoparticles Fe(III)-CS-NPs at different concentrations. We found that the optimum concentration of for improvement antibacterial and mechanical properties was 10% (σb = ca. 8.8 N/mm2, εb 41%, inhibition zone S. aureus 16.8 mm E. coli 11.2 mm). Also, using click-chemistry approach (thiol–ene react...
Growth Inhibition of Fish Pathogens by Antagonistic Actinomycetes Isolated from Mangrove Environment
Solvent extrnct~ of 6 strains aClinomycete.<; isolated from mangrove environment were found 10 inhibilthe growth offish bacterial pathogens. filamentou~ and non·filamentou~ fungi. Out of the 104 actinomyceles tested 56% of the isolates exhibited antagonistic effect towards gram-negative bacleria and 35.6% toward<; grnm-positive bacteria. 1be concentrations required to bring about 100% inhibitio...
Nanosilver applications have been implicated in paint, plastic, textile and medical industries. Nanosilver particles absorb sweat and in turn avoid pungent smell of feet. The present study aims to determine the antibacterial activity of Ag-coated different sock fabrics and comparing their efficacy in reducing foot-borne resident bacteria. Synthesize of nanosilver particles was performed in vari...
Bacterial infections are a major cause of chronic and mortality that continues to threaten public health worldwide. Various medicinal plants used in folk medicine have demonstrated wound healing antibacterial properties. The aims the study investigation phytochemical activity ethyl acetate fraction from jarak pagar roots (Jatropha curcas Linn.). were treated with maceration method using ethanol...
food safety is considered as an important world concern. the detection of pathogen and toxic materials in food has an important role in public health care. in recent years, the applications of microbial biosensor have been developed as a new approach for toxicity control. luminescent microbial biosensor is an appropriate biological tool for protection of natural environment. this type of biosen...
Objectives Periodontal diseases are one of the common oral diseases and microbial oral flora is one major factor responsible for it. Elimination of periodontal pathogens is particularly important in managing the periodontal state. This study aimed to assess the antibacterial effects of Nanosil, chlorhexidine (CHX) and probiotic mouthwashes on periodontal pathogens. Methods In this in-vitro stu...
Sequential extracts of some medicinally important arid zone plants of Rajasthan, viz. Lepidagathis trinervis Nees., Polycarpea corymbosa Lam. and Sericostoma pauciflorum Stocks. ex Wight. were tested against six bacterial (Gram +ve and Gram -ve) and five fungal strains using agar well diffusion method. Ethyl acetate extract of L. trinervis showed maximum activity against Bacillus subtilis, Ente...
background : this study aimed to evaluate antibacterial effect of allium sativum, garlic extract on erythromycin and methicillin resistant bacteria isolated from an operating room in a teaching hospital in tehran, i.r. iran. methods : the antibacterial effect of garlic extract was investigated on 70 bacterial strains. the selected isolates were resistant to erythromycin and or methicillin...
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