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Naturlighetens positioner. Nordiska kulturforskare om födsel och föräldraskap

Denna bok handlar om naturlighet iförhållande till födsel och föräldraskap - om hur naturligheten positioneras i människans föreställningar kring födseln. Under de tio-femton senaste åren har det skett en förändring i dessa föreställningar från en högteknologisk omsorg med hög riskmedvetenhet till en mer naturlig eller alternativ omsorg. Där tidigare det medicinska tänkandet, som innebar att hälso

Computing Exp (A) and Its Integral

This report describes one algorithm to compute exp(A) and one algorithm to compute both exp(A) and its integral. The method used in the two algorithms is finite series approximation, where the matrix is scaled before the expansion. The choice of the number of terms in the series expansion is discussed in detail, and results of numerical investigations performed on the PDP 15/35 computer are presen

Degradation of acetonitrile through a sequence of microbial reactors

Degradation of nitrogen containing organic compounds often leads to formation of ammonium and some low molecular weight organic compounds. The study is focused on degradation of acetonitrile in a sequence of stirred biofilm reactors, where the degradation of acetonitrile into acetic acid and ammonia takes place in the first two reactors. A large fraction of the acetic acid is also degraded in thes

Two monoclonal antibodies to precisely the same epitope of type II collagen select non-crossreactive phage clones by phage display: implications for autoimmunity and molecular mimicry

Two monoclonal antibodies (mAb) CB268 and CII-C1 to type 11 collagen (CII) react with precisely the same conformational epitope constituted by the residues ARGLT on the three chains of the CII triple helix. The antibodies share structural similarity, with most differences in the complementarity determining region 3 of the heavy chain (HCDR3). The fine reactivity of these mAbs was investigated by s

Prostitution in Riga, Latvia--a socio-medical matter of concern

OBJECTIVES: To study the background and the working and socio-economic conditions, and the prevalence of some sexually transmitted diseases (STDs), among street and sex club female Latvian prostitutes. STUDY DESIGN: Structured in-depth interviews, as well as clinical examination and laboratory tests for gonorrhea, syphilis, bacterial vaginosis, trichomoniasis, ectoparasites and HIV-infections. RES

Metabolic effects of amino acid mixtures and whey protein in healthy subjects: studies using glucose-equivalent drinks

Background: Milk protein, in particular the whey fraction, has been shown to display insulinotrophic properties in healthy persons and persons with type 2 diabetes. In parallel to the hyperinsulinemia, a pronounced postprandial rise of certain amino acids and of glucose-dependent insulinotrophic polypeptide (GIP) was observed in plasma. Objective: The objective of the study was to determine to wha

Endogenous polyamines modulate Ca2+ channel activity in guinea-pig intestinal smooth muscle

The polyamines spermine and spermidine inhibit L-type Ca2+ channels in whole-cell recordings from guinea-pig ileum cells (Gomez and Hellstrand, Pflugers Arch, 430:501-507, 1995 [4]). To study whether they modulate channel activity under physiological conditions, we further investigated their actions on Ca2+ channels and the effects of altered cellular polyamine contents. In inside-out patches, spe

Lineshapes in carbon 1s photoelectron spectra of methanol clusters

A general protocol for theoretical modeling of inner-shell photoelectron spectra of molecular clusters is presented and applied to C1s spectra of oligomers and medium-sized clusters of methanol. The protocol employs molecular dynamics for obtaining cluster geometries and a polarizable force field for computing site-specific chemical shifts in ionization energy and linewidth. Comparisons to spectra

Mutations in fusA associated with posttherapy fusidic acid resistance in Clostridium difficile

In silico, we identified fusA (2,067 bp) in Clostridium difficile 630. Sequencing of fusA in posttherapy fusidic acid-resistant C. difficile isolates from 12 patients with C. difficile-associated diarrhea (CDAD) identified fusA mutations, one or two nonsynonymous substitutions, or in one case a deletion of one codon associated with resistance. Five of these mutations have previously been described

Lattice model calculations of interactions between proteins and surface grafted polymers with tethered affinity ligands

Monte Carlo calculations of protein binding to affinity ligands tethered to a surface by polymers have been done and analyzed with statistical mechanical perturbation theory. The interaction of the polymers with the surface, the solvent and the protein has been varied. Different solution conditions of the polymers have been investigated, varying from collapsed polymer structures on a surface to st