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An electrochemical-cantilever hybrid sensor for metal ions

In this work we have demonstrated a peptide functionalized cantilever sensor with integrated electrochemical capabilities. Silicon nitride cantilevers with gold electrodes are functionalized with the chelating peptide Cys-Gly-Gly-His (CGGH) to capture Cu2+ ions from solution. Upon binding the copper ion the peptide folds, creating steric hindrance and causing compressive stress in the monolayer, d

Bacterial Terminal Oxidases. Studies in Bacillus subtilis

Popular Abstract in Swedish Alla organismer som använder syre har i sina celler en s. k. elektrontransportkedja för att generera energi. Kedjan består av enzymer som sitter i mitokondriens inre membran eller i bakteriens membran. Enzymerna genomgår oxidation och reduktion när elektronerna passerar genom kedjan. Då genereras energi som kan användas för olika processer, t. ex. transport av ämnen in The final step in aerobic respiratory pathways is catalyzed by terminal oxidases. Bacteria generally have two or more terminal oxidases. Aerobically grown Bacillus subtilis synthesize three terminal oxidases: one cytochrome c oxidase, cytochrome caa3 and two quinol oxidases, cytochrome aa3 and cytochrome bd. In addition, a fourth cytochrome of bd-type has been predicted from the genome sequence. C

Navigating Troubled Waters : An analysis of how urban water regimes in the global South reproduce inequality

This research is an attempt to conceptualize the underlying forces behind persistent and ubiquitous problems of inequality in access to water in cities of the global south. Inequality in water access is hypothesized to result from urban water regimes that tend to prioritize the right to water access or to provide preferential terms of access for some groups in society, while marginalizing others.

The UspA1 protein of Moraxella catarrhalis induces CEACAM-1-dependent apoptosis in alveolar epithelial cells.

Moraxella catarrhalis is a major cause of exacerbations of chronic obstructive pulmonary disease (COPD) and emphysema. M. catarrhalis–specific UspA1 and the epithelial carcinoembryonic antigen-related cell adhesion molecule (CEACAM1) were required to induce apoptosis. M. catarrhalis–induced apoptosis was significantly enhanced in HeLa cells stably transfected with CEACAM1, compared with HeLa cells

Neuropsychological test performance in Swedish multiple chemical sensitivity patients – an exploratory study

To address the hypothesis of brain dysfunction as a component of the multiple chemical sensitivity (MCS) syndrome, a neuropsychological battery comprising 8 tests was given to 17 Swedish MCS patients and 34 demographically matched controls. Across the 6 tests used as indicators of brain impairment, comprising a total of 17 test variables, the MCS group performed poorer only in a complex reaction t

A framework for interference analysis of heterogeneous radio networks

The increasing use of unlicensed frequency bands for radio communications calls for investigations of the interference between coexisting radio networks. The wide variety of radio interfaces makes such investigations hard to perform. In this paper we present a general framework for the analysis of heterogeneous interfering radio networks, where the networks are modeled with individual properties f

Världsdramatik 4. På väg mot sekelslutet

Dramat under 1900-talets tre sista decennier kan sägas handla om de marginaliserade i samhället – barnen, de socialt utsatta, människor med olika etnisk bakgrund, de homosexuella och inte minst kvinnorna. Även språket står i centrum för intresset. Många skriver om hur människan påverkas av att ha ett språk och att inte ha ett språk. Mot de etablerade språkliga normerna ställs arbetarnas, de utslag

Block-Recursive IAA-based Spectral Estimates with Missing Samples using data interpolation

In this work, we examine a computationally efficient block-updating scheme for estimating the spectral content of signals with missing samples. The work is an extension of our recent single-sample data interpolation updating of the Iterative Adaptive Approach (IAA), being reformulated to incorporate blocks of samples. The proposed implementation offers a substantial complexity reduction as compare