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The recyclability of the hydroformylation catalysts employing Rh(I) and the amphiphilic N3P ligand ({4-[Bis(2-diethylaminoethyl)aminomethyl)diphenyl}phosphine) is greatly improved by using HCl(aq) in the aqueous extraction and subsequent anion metathesis with NaBPh4.
Background: In several studies, patients with alcohol dependence treated with the opioid antagonist naltrexone have shown fewer relapses to heavy drinking than those receiving placebo. An interaction between the naltrexone effect and the type of psychological therapy has been observed. Methods: A 6-month, double-blind, placebo-controlled, parallel-group study was performed at 10 different investi
Arbuscular mycorrhizal (AM) fungi depend on a C supply from the plant host and simultaneously provide phosphorus to the colonized plant. We therefore evaluated the influence of external P on C allocation in monoxenic Daucus carota-Glomus intraradices cultures in an AM symbiosis. Fungal hyphae proliferated from a solid minimal medium containing colonized roots into a C-free liquid minimal medium wi
Objective: To evaluate whether pregnancies with infants affected by congenital heart defects are associated with adverse obstetric and perinatal outcome. Study design: In a prospective population-based cohort study from Sweden (1992-2001), 6346 singleton pregnancies with infants affected by congenital heart defects were, after suitable adjustments, compared to all delivered women. Results: The pre
Due to inhomogeneous broadening, the absorption lines of rare-earth-ion dopants in crystals are many order of magnitudes wider than the homogeneous linewidths. Several ways have been proposed to use ions with different inhomogeneous shifts as qubit registers, and to perform gate operations between such registers by means of the static dipole coupling between the ions. In this paper we show that in
Relapsing fever is a rapidly progressive and severe septic disease caused by certain Borrelia spirochetes. The disease is divided into two forms, i.e., epidemic relapsing fever, caused by Borrelia recurrentis and transmitted by lice, and the endemic form, caused by several Borrelia species, such as B. duttonii, and transmitted by soft-bodied ticks. The spirochetes enter the bloodstream by the vect
[Context & motivation] When large organizations develop systems for large markets, the size and complexity of the work artefacts of requirements engineering impose critical challenges. [Problem] This paper presents an industrial case study with the goal to increase our understanding of large-scale requirements engineering practice. We focus on a senior requirements engineering role at our case
Previous work has suggested that dragonfly ocelli are specifically adapted to resolve horizontally extended features of the world, such as the horizon. We investigate the optical and anatomical properties of the median ocellus of Hemicordulia tau and Aeshna mixta to determine the extent to which the findings support this conclusion. Dragonfly median ocelli are shown to possess a number of remarkab
This paper illustrates the potential for reducing future electricity demand for air distribution in commercial buildings in Sweden. We have developed a general, quantitative, scenario-based framework to describe electricity demand for air distribution and to analyze how governmental and utility-sponsored policy measures affect electricity demand. The results suggest that higher electricity prices
A previously undescribed human member of the cystatin superfamily called cystatin F has been identified by expressed sequence tag sequencing in human cDNA libraries. A full-length cDNA clone was obtained from a library made from mRNA of CD34-depleted cord blood cells. The sequence of the cDNA contained an open reading frame encoding a putative 19-residue signal peptide and a mature protein of 126
Data are presented on the number of fibers and the proportion of different fiber types within fascicles of whole vastus lateralis muscles from 5 male children, 5 to 15 years of age, and compared with results from 25 male adults, middle aged and old individuals. The results verify a difference in the proportion of fibers with different properties within a fascicle. The proportion of type 2 (fast tw
We argue that the group-centred analyses of social epidemiology should follow from theoretical considerations that take the situation of the individual as their natural starting point. In a tentative dialogue between economics and sociology, we develop a framework for the analysis of health-related behaviour. Such behaviour is modelled as a process of decision-making at the individual level. Withi
Abstract not available.
The feasibility of willow short rotation coppice (SRC) for energy production as a revaluation tool for severely radiocaesium-contaminated land was studied. The effects of crop age, clone and soil type on the radiocaesium. levels in the wood were assessed following sampling in 14 existing willow SRC fields, planted on radiocaesium-contaminated land in Sweden following Chernobyl deposition. There wa
The role of defensiveness and repressive coping style for the performance on a combined emotional Stroop and tachistoscopic identification task with masked and unmasked words was studied in a community sample. Defensiveness was associated with a decrease in Stroop interference for masked threat words, but not for unmasked threat words. The most robust results, however, were found with regard to ov
Although gain of 1q occurs in 25% of Burkitt lymphomas (BLs) and 10% of pediatric high hyperdiploid acute lymphoblastic leukemias (ALLs), little is known about the origin, molecular genetic characteristics and functional outcome of dup(1q) in these disorders. Ten dup(1q)-positive BLs/ALLs were investigated by tiling resolution (32k) array CGH analysis, which revealed that the proximal breakpoints
This paper presents a new simple distinguishing attack that can be applied on stream ciphers constructed from filter generators or similar structures. We demonstrate the effectiveness by describing key recovery attacks on the stream cipher LILI-128. One attack on LILI-128 requires 247 bits of keystream and a computational complexity of roughly 253. This is a significant impro
Most previous studies of leukotriene B-4 (LTB4) pharmacology using primary leukocyte cultures and myeloid cell lines do not differentiate between leukotriene BLT1 and BLT1 receptor activation because both receptors are often expressed by these cells. Here we show that in HeLa cells expressing BLT1 but not BLT2 receptors, BLT1 receptor activation resulted in IP3 mediated calcium release from intrac
An academic 12-lead electrocardiogram (ECG) core laboratory aims to provide the highest possible quality ECG recording, measurement, and storage to aid clinicians in research into important cardiovascular outcomes and to maximize the credibility of scientific results based solely, or in part, on ECG data. This position paper presents a guide for the structure and function of an academic ECG core l
