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Mutagenic/carcinogenic heterocyclic amines (HAs) are formed in the crust during the cooking of meat. The influence of cooking loss, time, and temperature on the formation of HAs was investigated in fried beefburgers. 2-Amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP), 2-amino-3,8-dimethylimidazo[4,5-f]quinoxaline (MeIQx), and 2-amino-3,4,8-trimethylimidazo[4,5-f]quinoxaline (4,8-DiMeIQx) were
Results of experiments are compared to simulations of the performance of V2O5/gamma-alumina SCR catalyst used to remove nitrogen oxides from diesel exhausts. The kinetic model is based on Eley-Rideal kinetics. Temperature programmed desorption (TPD) of the ammonia is used to evaluate adsorption/desorption parameters. Stationary experiments on a 3.6-dm(3) engine with a 4.8-dm(3) honeycomb catalyst
The endo-beta-1,4-mannanase encoding gene man1 of Aspergillus aculeatus MRC11624 was amplified from mRNA by polymerase chain reaction using sequence-specific primers designed from the published sequence of man1 from A. aculeatus KSM510. The amplified fragment was cloned and expressed in Saccharomyces cerevisiae under the gene regulation of the alcohol dehydrogenase ( ADH2PT ) and phosphoglycerate
Photovoltaic modules in two-dimensional low-concentrating systems with specular parabolic reflectors often experience high local irradiance that causes high local currents and cell temperatures. This generally results in power losses. The use of low-angle scattering reflectors gives a smoother irradiance distribution, which results in a higher fill factor. In order to study how the choice of refle
Objectives. This study aimed at identifying the genetic events involved in immortalization of ovarian epithelial cells, which might be important steps in ovarian carcinogenesis. Methods. The genetic profiles of five human ovarian surface epithelial (HOSE) cell lines immortalized by retroviral transfection of the human papillomavirus (HPV) E6/E7 genes were thoroughly characterized by chromosome ban
The study examines globalization processes in property markets through an empirical investigation into the commercial property market of Greater Copenhagen. The focus is on investment in commercial properties. Globalization of property markets is defined, a framework of analysis presented and methodological problems reported. The analysis reveals a marked increase in the volumes and shares of fore
The ultimate goal in the treatment of haemophilia patients with inhibitors is to eradicate permanently the inhibitor and induce tolerance. Here we summarize our experience at the Malmo centre regarding tolerance induction according to the Malmo Treatment Model. The protocol includes immunoadsorption if needed, neutralization of inhibitor and replacement with factor concentrates, cyclophosphamide i
The RUNX1 gene encodes the alpha subunit of the core binding factor (CBF) and is a common target of genetic mutations in acute leukemia. We propose that RUNX1 is a gatekeeper gene, the disruption of which leads to the exodus of a subset of hematopoietic progenitors with increased self-renewal potential from the normal environmental controls of homeostasis. This pool of "escaped" cells is the targe
The runoff from real 3 cm thick sedum-moss roofs and from laboratory roof plots in southern Sweden is measured and analysed. Real rains and artificial storms are used for the analysis. The probability of high runoff is compared with the probability of high precipitation intensity. Intensity-duration-frequency curves for runoff are derived and it is found that the runoff of 1.5 year return period c
Background: Good glycaemic control is crucial in reducing the risk of diabetes-related complications. Despite the availability of evidence-based treatment guidelines, glycaemic control appears to remain suboptimal in most countries. Objectives: In this commentary we outline the extent to which diabetes guideline targets on HbA(1c) are being met in clinical practice and - where targets are being mi
This article deals with the dynamic behavior during filtration and wet pressing of compressible porous media. An equation is developed which permits the derivation of the time dependency of porosity and flow at varying locations in a medium subjected to hydraulic pressure and/or mechanical load. Furthermore, a numerical solution that allows the equation to be solved rapidly and with high accuracy
Recombinant adeno-associated viral vectors display efficient tropism for transduction of the dopamine neurons of the substantia nigra. Taking advantage of this unique property of recombinant adeno-associated viral vectors, we expressed wildtype and A53T mutated human alpha-synuclein in the nigrostriatal dopamine neurons of adult rats for up to 6 months. Cellular and axonal pathology, including alp
Vertebrate eyes are of the simple or camera type with a single optical system that creates an image on the retina in the back of the eye. There, the visual information is encoded as nervous signals by photoreceptors, processed by retinal neurons, and then sent to the brain via the optic nerve. Surprisingly at first sight, the retinal neurons are located between the lens and the light-sensitive par
Meristems continually supply new cells for post-embryonic plant development and coordinate the initiation of new organs, such as leaves and flowers. Meristem function is regulated by a large and interconnected dynamic system that includes transcription networks, intercellular protein signalling, polarized transport of hormones and a constantly changing cellular topology. Mathematical modelling, in
A fragment-based development of 3C-triazol-1-yl-O-galactopyranosyl aldoximes led to the discovery of highly selective and high affinity (K(d) down to 11 microm) small monosaccharide based inhibitors of galectin-3. Galectin-7, 8 N-terminal CRD, and 9 N-terminal CRD bound the inhibitors only weakly. The galectin-3 selectivity was hypothesized to stem from interaction of the aldoxime moiety with a si
