نتایج جستجو برای: ms2
تعداد نتایج: 1331 فیلتر نتایج به سال:
AIMS To use a MS2 bacteriophage model to compare three hand-drying methods, paper towels (PT), a warm air dryer (WAD) and a jet air dryer (JAD), for their potential to disperse viruses and contaminate the immediate environment during use. METHODS AND RESULTS Participants washed their gloved hands with a suspension of MS2 bacteriophage and hands were dried with one of the three hand-drying dev...
L'accès à l'eau potable reste un défi dans de nombreuses régions du monde. De nouvelles méthodes pour traiter l'eau potable sont constamment développées et améliorées à la fois dans les pays industrialisés et dans les pays en développement. SODIS est une technique intéressante de désinfection de l'eau à petite échelle qui consiste simplement à mettre de l'eau dans une bouteille en PET et de l'e...
BACKGROUND Cardiac autonomic modulation (CAM) is impaired in patients with stable COPD. Exacerbation aggravates the patients' health status and functional capacity. While the clinical and functional effects of exacerbation are known, no studies investigated CAM during exacerbation and whether there is a relationship between CAM and functional capacity and dyspnea. METHODS Thirty-two patients ...
BACKGROUND Improved motion-sensitized driven-equilibrium (iMSDE) preparations have been successfully used in carotid artery wall imaging to achieve blood suppression, but it causes notable signal loss, mostly due to inherent T2 decay, eddy current effects and B1 + inhomogeneity. In this study, we investigate the signal to noise ratio (SNR) and blood suppression performance of iMSDE using compos...
Adsorption onto iron oxides can enhance the removal of waterborne viruses in constructed wetlands and soils. If reversible adsorption is not coupled with inactivation, however, infective viruses may be released when changes in solution conditions cause desorption. The goals of this study were to investigate the release of infective bacteriophages MS2 and ΦX174 (two human viral indicators) after...
The goal of this study was to evaluate the potential of an advanced oxidation process (AOP) for microbiocidal and virucidal inactivation. The viruses chosen for this study were bacteriophage MS2, T4, and T7. In addition, Bacillus subtilis spores and Escherichia coli were studied. By using H(2)O(2) in the presence of filtered ultraviolet (UV) irradiation (UV/H(2)O(2)) to generate wavelengths abo...
Localizing messenger RNAs at specific subcellular sites is a conserved mechanism for targeting the synthesis of cytoplasmic proteins to distinct subcellular domains, thereby generating the asymmetric protein distributions necessary for cellular and developmental polarity. However, the full range of transcripts that are asymmetrically distributed in specialized cell types, and the significance o...
The reaction of E. coli 70s ribosomes with 0.2 M NaH-35 s03 (pH 7.1, 3.5hrs, 37 degree) led to the conversion of 4.5% of the uracil residues of the R, RNA into 5.6-dihydrouracil-6-sulfonate residues. The modified ribosomes exhibited a significant decrease in their ability to bind (14-C)-phenylalanyl-(RNA-phe and to incorporate (14-C)-phenylalanine into protein in the presence of polyuridylic ac...
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