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The REVEALS model, a new tool to estimate past regional plant abundance from pollen data in large lakes: validation in southern Sweden

The REVEALS model was developed to reconstruct quantitatively regional vegetation abundance (in a 10(4)-10(5) km(2) area) from pollen assemblages in large lakes (>= 100-500 ha). This model corrects for biases in pollen percentages caused by inter-taxonomic differences in pollen productivity and dispersal. This paper presents the first case study to validate REVEALS, using empirical data from south

Fiducial and differential cross sections of Higgs boson production measured in the four-lepton decay channel in pp collisions at root s=8 TeV with the ATLAS detector

Measurements of fiducial and differential cross sections of Higgs boson production in the H -> ZZ* -> 4l decay channel are presented. The cross sections are determined within a fiducial phase space and corrected for detection efficiency and resolution effects. They are based on 20.3 fb(-1) of pp collision data, produced at root s= 8 TeV centre-of-mass energy at the LHC and recorded by the ATLAS de

A Highly Oriented Cubic Phase Formed by Lipids under Shear

We demonstrate the formation of a macroscopically oriented inverse bicontinuous cubic (QII) lipid phase from a sponge (L3) phase by controlled hydration during shear flow. The L3 phase was the monoolein/butanediol/water system; the addition of water reduces the butanediol concentration, inducing the formation of a diamond (QIID) cubic phase, which is oriented by the shear flow. The phenomenon was

Cichlids respond to conspecific sounds but females exhibit no phonotaxis without the presence of live males

Many fish species are able to produce sounds, which are often associated with courtship. In an earlier study, we showed for the Lake Victoria cichlid Pundamilia nyererei that females prefer to associate with a male with sound over a male without sound. As a follow-up to this earlier finding, we here investigated whether playback of conspecific sounds is sufficient to attract females in the absence

Considering rigor and relevance when evaluating test driven development: A systematic review

Context: Test driven development (TDD) has been extensively researched and compared to traditional approaches (test last development, TLD). Existing literature reviews show varying results for TDD. Objective: This study investigates how the conclusions of existing literature reviews change when taking two study quality dimension into account, namely rigor and relevance. Method: In this study a sys

Improved In Vitro Culture of Plasmodium falciparum Permits Establishment of Clinical Isolates with Preserved Multiplication, Invasion and Rosetting Phenotypes

To be able to robustly propagate P. falciparum at optimal conditions in vitro is of fundamental importance for genotypic and phenotypic studies of both established and fresh clinical isolates. Cryo-preserved P. falciparum isolates from Ugandan children with severe or uncomplicated malaria were investigated for parasite phenotypes under different in vitro growth conditions or studied directly from

Photoelectron angular distributions for the two-photon sequential double ionization of xenon by ultrashort extreme ultraviolet free electron laser pulses

Xenon atoms are double-ionized by sequential two-photon absorption by ultrashort extreme ultraviolet free-electron laser pulses with a photon energy of 23.0 and 24.3 eV, produced by the SPring-8 Compact SASE Source test accelerator. The angular distributions of photoelectrons generated by two-photon double ionization are obtained using velocity map imaging. The results are reproduced reasonably we

Immune Responses Aginst Aldehyde Modified Extracellular Matrix in Atherosclerosis

Atherosclerosis is a chronic inflammatory disease and the leading cause of myocardial infarction and stroke. Accumulation, aggregation and subsequent oxidation of LDL in the arterial wall are considered as key events in the development of atherosclerosis. The oxidation of LDL generates reactive aldehydes, including malondialdehyde (MDA) that modifies ApoB in LDL. Immune responses against MDA-modif

Förintelsens röda nejlika : Raoul Wallenberg som historiekulturell symbol

Förintelsens röfda nejlika behandlar framför allt Raoul Wallenbergs verkningshistoria, det vill säga hur han har diskuterats och representerats efter hans försvinnande 1945. En aspekt är det politiska och diplomatiska spelet kring honom, i Sverige, USA och Ungern. En annan är framställningen av honom i monument, på film och i tv-serier. Dessutom analyseras sambanden mellan det hemliga, diplomatisk

Infrastructures, lock-in, and sustainable urban development: the case of waste incineration in the Goteborg Metropolitan Area

This article explains how infrastructures with a sustainability record may evolve over time into a lock-in that slows the emergence of more sustainable urban infrastructures. A study of waste incineration in the Goteborg Metropolitan Area, Sweden, serves as an illustrative case. Taking leads from Unruh (2000, 2002), four rationales of lock-in are identified in the case: institutional, technical, c

Investigation and compensation of the nonlinear response in photomultiplier tubes for quantitative single-shot measurements.

A concept for time-sensitive optical detectors is described that shows how to confirm whether the detection device is operating in the linear response regime. By evaluating the recorded time decay of a thermographic phosphor, even weak saturation effects far from obvious situations can be identified and further related to either optical or electrical saturation. The concept has been validated by r

C-Kit as an Oncogenic Tyrosine Kinase - Regulation and Dysregulation of Signaling Pathways

It is well known that increased growth and survival of cancer cells often is a result of dysregulated kinase activity and aberrant kinase signaling. The receptor tyrosine kinase c-Kit and its ligand SCF are contributors to this phenomenon in a variety of human cancers, for example hematological malignancies, germ cell tumors and gastrointestinal stromal tumors. In this thesis I have investigated