نتایج جستجو برای: microbial film
تعداد نتایج: 202657 فیلتر نتایج به سال:
The aims of this study were to compare the effects of sealing forage corn with a new oxygen barrier film with those obtained by using a conventional polyethylene film. This comparison was made during both ensilage and subsequent exposure of silage to air and included chemical, microbiological, and molecular (DNA and RNA) assessments. The forage was inoculated with a mixture of Lactobacillus buc...
conclusions the result of this study showed a high prevalence of class 1 integron gene in most p. aeruginosa strains isolated from different parts of the environment and equipment used in icu. the role of these transferable genetic agents has been proven in the creation of resistance. so, the environmental bacteria represent a reservoir for dissemination of clinically relevant multidrug-resista...
Introduction: The present study was conducted to implement a simple practical independent quality check of depth dose and isotropy of the Intrabeam™ therapeutic X-ray machine using radiochromic EBT2 film. Material and Methods: Theindependent quality check of 1.5, 3.5, and 5-cm spherical Intrabeam™ applicators was accomplished using particular EBT2 film cutting pieces with internal rounded edge...
Objective: Different educational tools are now commonly used in universities worldwide such as illustrations, audio and videotapes, etc. This study aimed to compare the efficacy of educational film and clinical demonstration for instruction of Fiber-Reinforced Composite (FRC) post restorations to dental students in Department of Restorative Dentistry. Methods: This interventional study was ...
This study was aimed to measure the variation of secreted immunoglobulin A's concentration in subjects' saliva as an index of body's immune system reaction after watching aggressive films. Twenty two female students from the University of Tehran participated voluntarily in this study. Participants were randomly allocated in one experimental and one control group. The experimental group watched ...
Welan gum is a kind of novel microbial polysaccharide, which is widely produced during the process of microbial growth and metabolism in different external conditions. Welan gum can be used as the thickener, suspending agent, emulsifier, stabilizer, lubricant, film-forming agent and adhesive usage in agriculture. In recent years, finding optimal experimental conditions to maximize the productio...
The winemaking process includes multiple stages at which microbial spoilage can occur, altering the quality and hygienic status of the wine and rendering it unacceptable. The major spoilage organisms include species and strains of the yeast genera Brettanomyces, Candida, Hanseniaspora, Pichia, Zygosaccharomyces etc., the lactic acid bacterial genera Lactobacillus, Leuconostoc, Pediococcus, etc....
Skin surface lipid (SSL) film is a mixture of sebum and keratinocyte membrane lipids, protecting skin from environment. Its composition is unique for the high percentage of long chain fatty acids, and of the polyterpenoid squalene, absent in other human tissues, and in non-human Primates sebum. Here, the still incomplete body of information on SSL as mediators of external chemical, physical, an...
The aim of the current study was to investigate the anticariogenic potential of the (sub)fractions obtained from the edible mushroom shiitake (Lentinula edodes) in in vitro caries model. We used a modified constant depth film fermentor (CDFF) with pooled saliva as the inoculum and bovine dentin as a substratum. The test compounds were low molecular weight fraction (MLMW) of the shiitake extract...
Surgical site infections (SSIs) remain an important cause of postoperative morbidity and mortality and generate considerable additional healthcare and societal costs. Most SSIs are caused by skin-derived bacteria such as Staphylococcus aureus and coagulase-negative staphylococci. Antimicrobial resistance among these and other clinically important pathogens is an increasing problem. Thus, while ...
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