نتایج جستجو برای: ultra sonication
تعداد نتایج: 61274 فیلتر نتایج به سال:
Selected organisms with public health significance were placed in a reaction chamber for treatment by ozonation, by ozonation and sonication, by sonication, or by sonication during oxygenation. Vesicular stomatitis virus, encephalomyocarditis virus, GDVII virus, Staphylococcus aureus, Pseudomonas fluorescens, Salmonella typhimurium, enteropathogenic Escherichia coli, Vibrio cholerae, and Shigel...
Previous studies have shown that sonication fluid cultures from removed orthopedic devices improved the microbiological diagnosis of orthopedic implant-associated infections; however, few of these investigations have applied sonication to the removed fracture fixation devices to evaluate its utility for the diagnosis of osteosynthesis-associated infection (OAI). We compared sonication fluid to ...
Sonication of implants has been shown to be a promising method for diagnosis of prosthetic infections due to its improved sensitivity, simplicity, and low cost. The aim of the present study was to evaluate the effects of ultrasound performed under different conditions regarding temperature, duration, and composition of sonication tubes on bacterial species often associated with prosthetic infec...
20 Previous studies have shown that sonication-fluid cultures from removed devices improved the 21 microbiological diagnosis of orthopedic implant-associated infections; however, few of these 22 investigations have applied sonication to the removed fracture-fixation devices to evaluate its 23 utility as an adjunctive diagnostic tool for osteosynthesis-associated infection (OAI). We 24 compared ...
Quercetin and quercetin glycosides are physiologically active flavonol molecules that have been attributed numerous health benefits. Recovery of such molecules from plant matrices depends on a variety of factors including polarity of the extraction solvent. Among the solvents of a wide range of dielectric constants, methanol recovered the most quercetin and its glycosides from dehydrated 'Idare...
This work reports for the first time possibility of green synthesis and antibacterial effect silver nanoparticles (AgNPs) on commercialized polycarbonate membrane. The AgNPs were loaded membrane serving as substrate via ultra-sonication centrifugation. extracts from red flowers Callistemon viminalis used chelating agent. synthesised thin film characterized by various techniques such Scanning El...
Abstract The large coherence length of MgB 2 material allows defects such as grain boundaries to act strong pinning centres. As an alternative the high-cost commercial nano precursors, we used a novel ultra-sonication technique refine cheap rough boron precursor and avoid use expensive amorphous powder. Recent low-cost proved improve critical current density, J c , . Here, discuss consequences ...
Ultrasound (US), Thermo-sonication (TS) and High Pressure Homogenization (HPH) were studied as tools to inactivate the spores of Penicillium spp. and Mucor spp. inoculated in distilled water. For US, the power ranged from 40% to 100%, pulse from 2 to 10 s, and duration of the treatment from 2 to 10 min. TS was performed combining US (40-80% of power, for 8 min and pulse of 2 s) with a thermal t...
We investigated changes in sonication (or buzz-pollination) behavior of Bombus impatiens bumblebees, after consumption of the neonicotinoid pesticide, imidacloprid. We measured sonication frequency, sonication length, and flight (wing beat) frequency of marked bees collecting pollen from Solanum lycopsersicum (tomato), and then randomly assigned bees to consume 0, 0.0515, 0.515, or 5.15 ng of i...
in this article a comparative study for modeling and optimization of 2-methylpropane-2-thiol removal from contaminated soil by ultrasound is investigated. central composite design (ccd) and artificial neural network (ann) were utilized and compared to each other in order to obtain appropriate predicting model with respect to sonication power (w), sonication time (min) and water/reactor volume r...
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