Filtyp
Rapidly permineralized fossils can provide exceptional insights into the evolution of life over geological time. Here, we present an exquisitely preserved, calcified stem of a royal fern (Osmundaceae) from Early Jurassic lahar deposits of Sweden in which authigenic mineral precipitation from hydrothermal brines occurred so rapidly that it preserved cytoplasm, cytosol granules, nuclei, and even chr
Objective. Studies in mice suggest that plasma apoM is lowered in hyperinsulinaemic diabetes and that apoM stimulates formation of pre-beta-HDL. Pre-beta-HDL is an acceptor of cellular cholesterol and may be critical for reverse cholesterol transport. Herein, we examined whether patients with type 2 diabetes have reduced plasma apoM and whether apoM is associated with pre-beta-HDL formation and ce
Basaltic weathering from volcanic islands plays a critical role in the climate feedback loop. Geochemical and climate models require information on the rate of secondary mineral formation. We provide direct evidence for precipitation of amorphous Si in organic rich and acidic Histic Andosols compared to preferential allophane formation in organic poor and less acidic Haplic Andosols. Similar resul
Silica-filled poly(1-trimethylsilyl-1-propyne) (PTMSP) layers were successfully applied for the first time on top of ultrafiltration support membranes and applied in the pervaporative separation of ethanol/water mixtures. Reduction of the thickness of the separating PTMSP top layer and addition of hydrophobic silica particles resulted in a clear flux increase as compared to dense PTMSP membranes.
In the lower siliceous uplands of Central Europe, various types of nutrient-poor grasslands are widespread and grow intermingled. These species-rich grasslands, often dominated by taxa of the Festuca ovina aggregate, comprise various phytosociological classes. They are remnants of a historic rural landscape and are of conservation importance. Few studies on such grasslands are available and there
Increased life expectancy and improvement in clinical outcome following surgery has led to an increasing number of elderly patients with a history of prior aortic valve replacement (AVR). As a consequence, a considerable number of patients may require reintervention due to a dysfunctional bioprosthesis with structural valve deterioration (SVD). Transcatheter aortic valve implantation (TAVI) has be
The activity of heterotrophic soil microorganisms is usually limited by the availability and quality of carbon (C). Adding organic substances will thus trigger a microbial response. We studied the response in bacterial growth and respiration after the addition of low amounts of glucose. First we determined if additions of glucose, at concentrations which did not result in an exponential increase i
Mesenchymal stem cells (MSC) have not only been implicated in the development of lung diseases, but they have also been proposed as a future cell-based therapy for lung diseases. However, the cellular identity of the primary MSC in human lung tissues has not yet been reported. This study therefore aimed to identify and characterise the 'bona fide' MSC in human lungs and to investigate if the MSC n
Cell replacement therapy of neurodegenerative disorders aims to substitute the degenerating cells with new functional neurons. Clinical trails with patients suffering from Parkinson’s or Huntington’s disease have generated proof-of-principle results that neural precursors taken from the developing human brain can survive upon grafting to the diseased brain and provide long-lasting symptomatic reli
Is self-stereotyping part of the stereotype threat process? The self-concepts of 122 male and female business students were assessed by self-report and the Implicit Association Test (Greenwald, McGhee & Schwartz, 1998). The participants were either told that their salary negotiating ability would be assessed (stereotype threat) or not. There were no sex-differences in the non-diagnostic condit
Abstract is available
We investigate theoretically the properties of the photon state and the electronic transport in a system consisting of a metallic quantum dot strongly coupled to a superconducting microwave transmission line cavity. Within the framework of circuit quantum electrodynamics, we derive a Hamiltonian for arbitrary strong capacitive coupling between the dot and the cavity. The dynamics of the system is
Background Few authors have investigated function and pain after surgical treatment of patients with bone metastases. In 1999 the Scandinavian Sarcoma Group (SSG) initiated the Skeletal Metastasis Registry as a multi-centric, prospective study to provide a scientific basis for recommendations of treatment. Patients and methods We have analyzed function and pain in 530 patients (mean age 65 yr) ope
Background: Continuous abstinence and retention in treatment for alcohol and drug use disorders are central challenges for the treatment providers. The literature has failed to show consistent, strong predictors of retention. Predictors and treatment structure may differ across treatment modalities. In this study the structure was reinforced by the addition of supervised urine samples three times
Projektet Framgångspotential är en kartläggning av vissa professionella attityder och personliga egenskaper hos 2000-talets bibliotekarier. Kartläggningen gjordes 2001-2002. Den övergripande forskningsfrågan rör hurdana medarbetare biblioteken behöver under de kommande 10-20 åren. Projektet syftade till att med utgångspunkt från en lista över 34 personliga egenskaper kartlägga och analysera dels a
Popular Abstract in German Bakterielle Infektionen gehören zu den häufigsten Todesursachen weltweit. Sepsis ist definiert durch das Vorhandesein einer Infektion, sowie der Erfüllung von 2 der 4 Kriterien eines systemischen Entzündungssyndroms. Die durch die Bakterien ausgelöste Immunantwort umfasst die Aktivierung der zellulären Immmunität, der Gerinnerungs- und Komplementsysteme, sowie die ProdukBacterial infections and sepsis are amongst the leading causes of death worldwide. Sepsis is caused by an uncontrolled systemic host response towards an invading pathogen. Due to the engagement of various systems including cellmediated responses, the coagulation and complement cascades, treatment of sepsis remains challenging. This is reflected in mortality rates of about 50 % for patients with se
Cathepsin E (CTSE), an aspartic proteinase, is differentially expressed in the metaplasia-dysplasia-neoplasia sequence of gastric and colon cancer. We evaluated CTSE in Barrett's esophagus (BE) and cancer because increased CTSE levels are linked to improved survival in several cancers, and other cathepsins are up-regulated in BE and esophageal adenocarcinoma (EAC). A total of 273 pretreatment tiss
Popular Abstract in Swedish Depression är en av de stora folksjukdomarna och drabbar varannan kvinna och var fjärde man någon gång under deras livstid. Vid djupa depressioner, då självmordsrisken är hög eller då patienten hamnat i ett livshotande tillstånd på grund av oförmåga att äta och dricka används elektrokonvulsiv terapi (ECT), eller som det ofta kallas, ”elbehandling”. Ungefär 45 000 patienElectroconvulsive therapy (ECT) is a well-established treatment for severe depressive disorder, but its clinical use has been limited by concerns about side effects such as memory disturbances. Despite over 70 years in clinical use, the exact mechanisms of action behind the therapeutic or adverse effects are not fully understood. Enhanced brain plasticity, including neurogenesis, angiogenesis and
In elderly man, low serum 25-hydroxyvitamin D (25(OH)D) was associated with a substantial excess risk of death compared to 25(OH)D values greater than 50-70 nmol/l, but the association attenuated with time. The aim of the present study was to determine whether poor vitamin D status was associated with an increase in the risk of death in elderly men. We studied the relationship between serum 25(OH)
