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Cytokine responses during mucosal infections: role in disease pathogenesis and host defence

Mucosal pathogens use diverse and highly specific molecular mechanisms to activate mucosal inflammation. It may even be argued that their virulence depends on the inflammatory response that they induce. Some bacteria target epithelial cells and trigger them to produce inflammatory mediators but others cross the mucosa and activate macrophages or dendritic cells. Although systemic release of inflam

Preparation of molecularly imprinted polymers in supercritical carbon dioxide

Molecularly imprinted polymer nanoparticles were prepared in supercritical carbon dioxide using a noncovalent imprinting approach. In the present work, propranolol was used as a model template, methacrylic acid as a functional monomer, and divinylbenzene as a crosslinker. Under a high dilution condition, the heterogeneous polymerization resulted in discrete crosslinked polymer nanoparticles. Compa

Caudate nucleus dopamine D-2 receptors in vascular dementia

Caudate nucleus dopamine (DA) D-2 receptors were studied in patients with vascular dementia (VaD) and in a control group using [H-3]raclopride as a radioligand. There was no significant difference in the number of DA D-2 receptors in the VaD group as compared with controls. The binding affinity was significantly lower in the VaD group. When the VaD group was subdivided into subjects with or withou

Impact related changes in mineral properties: Ti-magnetite from basaltic rocks at Lonar crater, India

Samples from vesicular Lonar impactite have been investigated by Mossbauer spectroscopy and SEM in combination with elemental analysis. Observation reveal the new-formation of oxide minerals have occurred with nucleation in particular at the walls of the vesicles interpreted as having formed from condensation of the gas phase having caused the vesicles to form in the first place. Elemental analysi

KinMutBase, a database of human disease-causing protein kinase mutations

KinMutBase (http://www.uta.fi/imt/bioinfo/KinMutBase/) is a registry of mutations in human protein kinases related to-disorders. Kinases are essential cellular signaling molecules, in which mutations can lead to diseases, including immunodeficiencies, cancers and endocrine disorders, The first release of KinMutBase contained information for protein tyrosine kinases. The current release includes al

Beyond the legacy of the Enlightenment? Online encyclopaedias as digital heterotopias

This article explores how we can understand contemporary participatory online encyclopaedic expressions, particularly Wikipedia, in their traditional role as continuation of the Enlightenment ideal, as well as in the distinctly different space of the Internet. Firstly we position these encyclopaedias in a historical tradition. Secondly, we assign them a place in contemporary digital networks which

Ncf1 (p47phox) polymorphism determines oxidative burst and the severity of arthritis in rats and mice.

Identifying genes that regulate polygenic diseases influenced by the environment such as rheumatoid arthritis (RA), has so far proven to be difficult. By using an alternative approach, i.e., linkage analysis using relevant animal models we succeeded in finding the Ncf1 gene residing in the Pia4 quantitative trait locus to be responsible for the severity of pristane induced arthritis in rats. The i

A glucose dehydrogenase biosensor as an additional signal amplification step in an enzyme-flow immunoassay.

Both the antibody affinity and the detectability of the label are essential in deciding the final characteristics of a heterogeneous immunoassay. This paper describes an approach to obtain a supplementary enhancement of the signal generated by using an enzyme label, e.g., by including the product of the enzymatic reaction in an additional amplification cycle during the detection step performed wit

Breeding phenology in Rana temporaria. Local variation is due to pond temperature and population size

Frog breeding phenology in temperate zones is usually compared to progress of spring temperatures at a regional scale. However, local populations may differ substantially in phenology. To understand this, local climate and other aspects must be studied. In this study, breeding phenology of the common frog, Rana temporaria, in a set of ponds in southern Sweden is analyzed. There was within year a v

Almost There : Washington Park

A surreal account of imagined venues associated with Washington Park area in Chicago. The film was produced during the course of the residency, and is based on audio and video associated with the Washington Park area in southern Chicago. Conceptually, the film takes its point of departure in City of Chicago’s bid to host the 2016 Olympic Summer Games, in which Washington Park was proposed as the m

Structural insights into eukaryotic aquaporin regulation

Aquaporin-mediated water transport across cellular membranes is an ancient, ubiquitous mechanism within cell biology. This family of integral membrane proteins includes both water selective pores (aquaporins) and transport facilitators of other small molecules such as glycerol and urea (aquaglyceroporins). Eukaryotic aquaporins are frequently regulated post-translationally by gating, whereby the r

On the role of Glu‐68 in alcohol dehydrogenase

Theoretical computations (molecular dynamics and combined quantum chemical and molecular mechanical geometry optimizations) have been performed on horse liver alcohol dehydrogenase. The results provide evidence that Glu‐68, a highly conserved residue located 0.47 nm from the catalytic zinc ion, may intermittently coordinate to the zinc ion. Structures with Glu‐68 coordinated to the zinc ion are al

Fabrication of Nickel-YSZ cermet nanofibers via electrospinning

Abstract The Ni-YSZ cerment as a promising anode for solid oxide fuel cells and its performance strongly depends on its miscrocture. This work focused on fabrication of Ni-8YSZ nanofibers via an electrospinning technique using yttria and zirconia nanoparticles as precussors. The effects of viscosity on the quality of fibers were assessed by adjusting the polymer and solid contents in slurry. The f

Availability Estimations for Utilities in the Process Industry

An important performance measure of a plant is the plant-availability. The higher availability the better, since a high availability implies a possibility for a large production volume and thereby an increased profit for the company. One way of increasing the plant-availability is by eliminating, or minimizing the effect of disturbances. The cause of a disturbance can be personnel, material or equ

Human prostatic acid phosphatase: cDNA cloning, gene mapping and protein sequence homology with lysosomal acid phosphatase

The cDNAs encoding human prostatic acid phosphatase were cloned and characterized. The mRNAs contain 3' noncoding regions of heterogeneous sizes 646, 1887 or 1913 nucleotides. A dimer and a monomer of the conserved Alu-repeats are present in the longer 3' noncoding sequences. The complete sequence of 354 amino acids for the mature enzyme was determined by sequencing both cDNA and protein. Human pr