نتایج جستجو برای: ms2

تعداد نتایج: 1331  

Journal: :The European respiratory journal 2009
R Wensel C Jilek M Dörr D P Francis H Stadler T Lange F Blumberg C Opitz M Pfeifer R Ewert

Pulmonary arterial hypertension (PAH) results in chronic right heart failure, which is associated with an increase in sympathetic tone. This may adversely affect cardiac autonomic control. We investigated the changes in cardiac autonomic nervous activity in relation to disease severity in patients with PAH. In 48 patients with PAH (median World Health Organization class III, pulmonary artery pr...

Journal: :Environmental science & technology 2013
Andrea I Silverman Britt M Peterson Alexandria B Boehm Kristopher McNeill Kara L Nelson

Sunlight inactivation of poliovirus type 3 (PV3), adenovirus type 2 (HAdV2), and two bacteriophage (MS2 and PRD1) was investigated in an array of coastal waters to better understand solar inactivation mechanisms and the effect of natural water constituents on observed inactivation rates (k(obs)). Reactor scale inactivation experiments were conducted using a solar simulator, and k(obs) for each ...

Journal: :Nucleic acids research 1992
R Stripecke M W Hentze

The translational regulation of ferritin expression currently represents the only well characterized example for eukaryotic translational control by high affinity interactions between a specific cytoplasmic protein, iron regulatory factor [IRF], and an mRNA-binding site, the iron-responsive element [IRE], located in the 5' untranslated region [UTR] of ferritin mRNAs. To elucidate whether IRE/IR...

2009
Flaviane V. Pereira Leandro V. A. Gurgel Sérgio F. de Aquino Laurent F. Gil

This paper describes the preparation of new adsorbents derived from sugarcane bagasse and wood sawdust Manilkara sp. to remove zinc II ions from electroplating wastewater. The first part deals with the chemical modification of sugarcane bagasse and wood sawdust, using succinic anhydride to introduce carboxylic acid functions into the material. The obtained materials modified sugarcane bagasse M...

Journal: :Applied and environmental microbiology 2015
Yan Wu Yongdong Liang Kai Wei Wei Li Maosheng Yao Jue Zhang Sergey A Grinshpun

In this study, airborne MS2 bacteriophages were exposed for subsecond time intervals to atmospheric-pressure cold plasma (APCP) produced using different power levels (20, 24, and 28 W) and gas carriers (ambient air, Ar-O2 [2%, vol/vol], and He-O2 [2%, vol/vol]). In addition, waterborne MS2 viruses were directly subjected to the APCP treatment for up to 3 min. MS2 viruses with and without the AP...

Journal: :The Journal of Chemical Physics 2016

2011
Jerri C Caldeira David S Peabody

BACKGROUND To be useful for genetic display of foreign peptides a viral coat protein must tolerate peptide insertions without major disruption of subunit folding and capsid assembly. The folding of the coat protein of RNA phage MS2 does not normally tolerate insertions in its AB-loop, but an engineered single-chain dimer readily accepts them as long as they are restricted to one of its two halv...

Journal: :Applied and environmental microbiology 2013
Thérèse Sigstam Greg Gannon Michele Cascella Brian M Pecson Krista Rule Wigginton Tamar Kohn

Viral disinfection kinetics have been studied in depth, but the molecular-level inactivation mechanisms are not understood. Consequently, it is difficult to predict the disinfection behavior of nonculturable viruses, even when related, culturable viruses are available. The objective of this work was to determine how small differences in the composition of the viral genome and proteins impact di...

Journal: :Frontiers in bioscience : a journal and virtual library 2008
William Craig Byrdwell

Total lipid extracts containing both polar and non-polar lipids were separated using two liquid chromatographic systems joined together using a column-switching valve. Detection was accomplished using mass spectrometers attached to each of the two liquid chromatographic systems, for a dual liquid chromatography/dual mass spectrometry (LC2/MS2) arrangement. This experimental approach is demonstr...

Journal: :Journal of applied microbiology 2009
J-H Lee C-Y Wu C N Lee D Anwar K M Wysocki D A Lundgren S Farrah J Wander B K Heimbuch

AIMS To investigate the performance of an iodine-releasing filter medium for use as a protective device against airborne pathogens. METHODS AND RESULTS The filter's physical and viable removal efficiencies (VRE) were investigated with challenges of MS2 bacteriophage aerosols, and the infectivity of MS2 collected on the filter was analysed. To test a proposed inactivation mechanism, media cont...

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