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Study of jets produced in association with a W boson in pp collisions at root s=7 TeV with the ATLAS detector

We report a study of final states containing a W boson and hadronic jets, produced in proton-proton collisions at a center-of-mass energy of 7 TeV. The data were collected with the ATLAS detector at the CERN LHC and comprise the full 2010 data sample of 36 pb(-1). Cross sections are determined using both the electron and muon decay modes of the W boson and are presented as a function of inclusive

Efficacy and safety of vernakalant in patients with atrial flutter: a randomized, double-blind, placebo-controlled trial

Vernakalant is a novel, relatively atrial-selective antiarrhythmic agent for conversion of atrial fibrillation (AF) to sinus rhythm. This study examined the safety and efficacy of vernakalant in converting atrial flutter (AFL) to sinus rhythm. This was a phase 2/3, randomized, double-blind, placebo-controlled trial. Adults with AFL received either a 10 min infusion of 3.0 mg/kg vernakalant (n 39)

Genital divergence in sympatric sister snails.

A pattern of greater divergence in mating traits between sister-species pairs with overlapping ranges than between allopatric species pairs is expected if reinforcement commonly contributes to speciation. Few large-scale comparative analyses have addressed this prediction, especially for genital form. Here, we show that penial morphology follows the predicted pattern in 40 robustly identified sist

Human antibody technology and the development of antibodies against cytomegalovirus.

Cytomegalovirus (CMV) is a virus that causes chronic infections in a large set of the population. It may cause severe disease in immunocompromised individuals, is linked to immunosenescence and implied to play an important role in the pathogenesis of cardiovascular diseases and cancer. Modulation of the immune system's abilities to manage the virus represent a highly viable therapeutic option and

Cross-scale management strategies for optimal control of tree invading from source plantations

Biological invasion by non-native tree species can transform landscapes, and as a consequence, has received growing attention from researchers and managers alike. This problem is driven primarily by the naturalisation and invasion of tree species escaping from cultivation or forestry plantations. Furthermore, these invasions can be strongly influenced by the land-use matrix of the surrounding regi

Endemism på Teneriffa

Den makaronesiska övärlden i likhet med de flesta andra ögrupper av vulkaniskt ursprung präglas ofta av en stor biologisk mångfald. En stor mångfald av arter inom många släkten och närvaro av närbesläktade arter i närliggande miljöer tyder på en utveckling av arter genom adaptiv radering. Endemismen är alltid procentuellt hög i dessa övärldar. Vill man uppleva unika endemer inom flora och även fau

Extraction of polar lipids from bifidobacteria by supercritical carbon dioxide (scCO(2))

This study describes an efficient isolation procedure for the extraction of polar lipids from two strains of bifidobacteria - Bifidobacterium longum and Bifidobacterium angulatum. We first compared the lipid profiles of two strains of bifidobacteria and showed that the strains of the same genus may differ by lipid composition of cell walls. The polar lipids were isolated using the following condit

Influence of the polymer backbone structure on the properties of aromatic ionomers with pendant sulfobenzoyl side chains for use as proton-exchange membranes

Six different ionomers having various aromatic polymer backbones with pendant 2-sulfobenzoyl side chains were prepared by nucleophilic aromatic substitution reactions of lithium 2,6-difluoro-2′-sulfobenzophenone with 4,4-biphenol, 2,7-dihydroxynaphthalene, 4,4-isopropylidenediphenol, 4,4-dihydroxydiphenyl ether, 4,4′-thiodiphenol, and 4,4′-thiobisbenzenethiol, respectively, to produce four poly(ar

Behavioural trait covaries with immune responsiveness in a wild passerine

Immune system is highly integrated with the nervous and endocrine systems, which is thought to result in covariation between behavioural syndromes and stress- and immune-associated diseases. Very little is known about the associations between behaviour and immune traits in wild animals. Here we describe such an association in passerine birds, the greenfinches (Carduelis chloris). When wild-caught

Cryogel-supported titanate nanotubes for waste treatment: Impact on methane production and bio-fertilizer quality.

By reducing the cadmium (Cd(2+)) content in biomass used for bio-based products such as biogas, a less toxic bio-based fertilizer can be obtained. In this work, we demonstrate how a macroporous polymer can support titanate nanotubes, and we take advantage of its known selective adsorption behavior towards Cd(2+) in an adsorption process from real nutrient-rich process water from hydrolysis of seaw

Fourier Multipliers for Hardy Spaces of Dirichlet Series

We obtain new results on Fourier multipliers for Dirichlet-Hardy spaces. As a consequence, we establish a Littlewood-Paley inequality, and we give a simple proof that the Dirichlet monomials form a Schauder basis for p>1.

Synergistic augmentation of CD40-mediated activation of antigen-presenting cells by amphiphilic poly(γ-glutamic acid) nanoparticles.

Agonistic anti-CD40 monoclonal antibodies (mAbs) hold great potential for cancer immunotherapy. However, systemic administration of anti-CD40 mAbs can be associated with severe side effects, such as cytokine release syndrome and liver damage. With the aim to increase the immunostimulatory potency as well as to achieve a local drug retention of anti-CD40 mAbs, we linked an agonistic mAb to immune a

The sediments of Lake Logurinn - A unique proxy record of Holocene glacial meltwater variability in eastern Iceland

The full Holocene development of the large (8100 km(2)) Vatnajokull ice cap in Iceland with its many outlet glaciers is poorly known. The idea of an early deglaciation, leading to a glacier-free period in mid-Holocene, followed by the Neoglaciation is still the main concept for the glacial history in the North Atlantic region, including Iceland. We have examined a continuous sediment record from t

MIS 3 marine and lacustrine sediments at Kriegers Flak, southwestern Baltic Sea

Sediment cores from the Kriegers Flak area in the southwestern Baltic Sea show a distinct lithological succession, starting with a lower diamict that is overlain by a c. 10 m thick clay unit that contains peat, gyttja and other organic remains. On top follows an upper diamict that is inter-layered with sorted sediments and overlain by an upward-coarsening sequence with molluscs. In this paper we f

Solar energy for electricity and fuels.

Solar energy conversion into electricity by photovoltaic modules is now a mature technology. We discuss the need for materials and device developments using conventional silicon and other materials, pointing to the need to use scalable materials and to reduce the energy payback time. Storage of solar energy can be achieved using the energy of light to produce a fuel. We discuss how this can be ach

Temperate phages promote colicin-dependent fitness of Salmonella enterica serovar Typhimurium.

Bacteria employ bacteriocins for interference competition in microbial ecosystems. Colicin Ib (ColIb), a pore-forming bacteriocin, confers a significant fitness benefit to Salmonella enterica serovar Typhimurium (S. Tm) in competition against commensal E. coli in the gut. ColIb is released from S. Tm into the environment, where it kills susceptible competitors. However, colicin-specific release pr

Simulation of soil water and salinity distribution under surface drip irrigation

Higher crop production and higher water use efficiency are usually achieved simultaneously with surface drip irrigation compared to other surface irrigation methods. With increasing competition for fresh water nowadays, there is also a need for greater use of brackish water in agriculture. Effects of soil hydraulic properties, initial soil moisture content ( ), and the irrigation regime on soil wa