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This paper presents a study of supported lipid bilayer (SIB) formation and subsequent protein binding using a sensor that combines localized surface plasmon resonance (LSPR) and quartz crystal microbalance with dissipation (QCM-D) monitoring. The LSPR activity arises from silicon oxide (SiOx) coated nanometric apertures in a thin gold film, which also serves as the active electrode of a QCM-D crys
Series of pots containing Scots pine seedlings and a humus-sand mixture were watered twice weekly for 398 d with different nutrient solutions (control treatment with complete plant nutrient solution less nitrogen; glucose addition; nitrogen addition; glucose and nitrogen addition). Analyses were made of organic and nitrogen contents in the substrate, plant weights and nitrogen contents, nitrogen f
Baltic herring (Clupea harengus) oil was extracted and fractionated. To examine the contribution to toxicity and biological effects of different halogenated organic pollutants, the herring oil and the fractions were mixed into pelleted food and given to Sprague-Dawley female rats at three levels, corresponding to a human intake of 1.6, 8.2 and 34.4 kg fish per week. Herring oil, its fractions, as
UHMWPE crosslinked using Gamma radiation is believed to have improved wear properties, and this has been extensively studied during the past 10 years. Mechanical properties, oxidation, and wear properties of UHMWPE materials subjected to various thermal treatments have been investigated immediately after irradiation as well as after several years of aging. Nevertheless, the relationship between al
Objectives: During the last few years, clinical, epidemiological, and pathological evidence has suggested that inherited alpha-1 antitrypsin [AAT] deficiency might play a role in the development of the fibromyalgia syndrome [FMS], probably because of the loss of AAT anti-inflammatory efficacy. The objective of this study was to estimate the prevalence and number of FMS patients, and their AAT phen
BACKGROUND. We investigated the association of different subfractions of prostate specific antigen (PSA) and human glandular kallikrein 2 (hK2), such as total PSA (tPSA), complexed PSA (cPSA), free PSA (fPSA), "single-chain Intact fPSA" (fPSA-I), "multi-chain nicked fPSA" (fPSA-N), and total hK2 with volumes of total prostate gland, transition zone (tz), and prostate cancer (PCa) tissue in patient
The hypoxic zone in the Baltic Sea has increased in area about four times since 1960 and widespread oxygen deficiency has severely reduced macro benthic communities below the halocline in the Baltic Proper and the Gulf of Finland, which in turn has affected food chain dynamics, fish habitats and fisheries in the entire Baltic Sea. The cause of increased hypoxia is believed to be enhanced eutrophic
Histamine-producing ECL cells and ghrelin-producing A-like cells are endocrine/paracrine cell populations in the acid-producing part of the rat stomach. While the A-like cells operate independently of gastrin, the ECL cells respond to gastrin with mobilization of histamine and chromogranin A (CGA)-derived peptides, such as pancreastatin. Gastrin is often assumed to be the driving force behind the
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Popular Abstract in Swedish Cholecystokinin (CCK) och gastrin är två välkända mag-tarmkanals hormoner. CCK namngavs efter sin förmåga att stimulera gallblåsans kontraktion och gastrin visade sig vara involverad i utsöndringen av magsyra. Allt eftersom antalet publikationer gällande dessa hormoner har vuxit har också en mångfald andra funktioner tillskrivits respektive hormon, bland annat har bäggeCholecystokinin (CCK) and the related hormone gastrin have been claimed to exert trophic effects in the pancreas and gastrointestinal tract. Two types of receptors for CCK and gastrin are known to exist, the CCK-A and the CCK-B receptor. They differ in their affinty for CCK and gastrin. The CCK-A receptor has about 500 times higher affinity for sulfated than for non-sulfated CCK and gastrin, while
Popular Abstract in Swedish Upptäckten av Helicobacter pylori (Hp) (1982) har revolutionerat synen på uppkomsten av såväl magsår, magkatarr som magsäckskancer. Idag vet vi att Hp är en mycket starkt bidragande orsak till samtliga dessa sjukdomar och är en av våra vanligaste sjukdomsframkallande bakterier. Epidemiologiska studier har visat att mellan 50 och 80% av jordens befolkning är smittad. I SHelicobacter pylori and Borrelia burgdorferi s.l. can cause chronic infections by evading the immune system. These two human pathogens express a number of immunogenic cell surface proteins. The aims of this study were to gain further knowledge about these antigens and to analyse the serum antibody response in infected individuals. Both invasive and non-invasive diagnostic methods are available for
Popular Abstract in Swedish Schizofreni anses idag av många forskare som en neuroutvecklingssjukdom, orsakad av genetiska och/eller skadliga händelser under fostertiden, kring förlossningen och i tidig barndom som leder till en avvikande neurologisk utveckling. Denna process manifesterar sig i schizofreni senare i vuxen ålder när hjärnan genomgår sin slutliga mognad. Bakgrunden och utvecklingsförlSchizophrenia is now generally considered to be a brain disease resulting from disturbed neurodevelopment, mediated by genetic and/or adverse events in utero and/or in early childhood. This process manifests itself in schizophrenia in young adulthood, when the brain completes its maturation. The background and development of affective psychosis have been less extensively investigated. Our aim was
Several risk factors for severe non-proliferative and proliferative retinopathy in type 1 diabetes mellitus have been proposed without explaining the rapid progression of retinopathy in some patients. Since GAD65 autoantibodies (GAD65Abs) are detected against glutamic acid decarboxylase (GAD), which is mainly expressed in islets and nervous tissue in type 1 diabetic patients, the aim of the presen
Three-dimensional (3-D) ultrasound (US) has greatly improved evaluation of organ circulation. The aim of this study was to explore the possible use of this new technique in normal and high-risk pregnancies. Fetal brain, lung and placenta 3-D power Doppler signal intensity were recorded in 115 normal singleton pregnancies (24 to 42 weeks gestation) and in 67 high-risk pregnancies. Mean image pixel
