Search
Results
-
anNET: a tool for network-embedded thermodynamic analysis of quantitative metabolome data
(2008)BMC BioinformaticsBackground Compared to other omics techniques, quantitative metabolomics is still at its infancy. Complex sample preparation and analytical procedures render exact quantification extremely difficult. Furthermore, not only the actual measurement but also the subsequent interpretation of quantitative metabolome data to obtain mechanistic insights is still lacking behind the current expectations. Recently, the method of network-embedded ...Journal Article -
Bunched, the Drosophila homolog of the mammalian tumor suppressor TSC-22, promotes cellular growth
(2008)BMC Developmental BiologyBackground Transforming Growth Factor-β1 stimulated clone-22 (TSC-22) is assumed to act as a negative growth regulator and tumor suppressor. TSC-22 belongs to a family of putative transcription factors encoded by four distinct loci in mammals. Possible redundancy among the members of the TSC-22/Dip/Bun protein family complicates a genetic analysis. In Drosophila, all proteins homologous to the TSC-22/Dip/Bun family members are derived ...Journal Article -
Logarithmic Components of the Vacant Set for Random Walk on a Discrete Torus
(2008)Electronic Journal of ProbabilityThis work continues the investigation, initiated in a recent work by Benjamini and Sznitman, of percolative properties of the set of points not visited by a random walk on the discrete torus (Z/NZ)d up to time uNd in high dimension d. If u>0 is chosen sufficiently small it has been shown that with overwhelming probability this vacant set contains a unique giant component containing segments of length c0logN for some constant c0>0, and ...Journal Article -
Correlations between total cell concentration, total adenosine tri-phosphate concentration and heterotrophic plate counts during microbial monitoring of drinking water
(2008)Drinking Water Engineering and ScienceThe general microbial quality of drinking water is normally monitored by heterotrophic plate counts (HPC). This method has been used for more than 100 years and is recommended in drinking water guidelines. However, the HPC method is handicapped because it is time-consuming and restricted to culturable bacteria. Recently, rapid and accurate detection methods have emerged, such as adenosine tri-phosphate (ATP) measurements to assess microbial ...Journal Article -
Movement control tests of the low back; evaluation of the difference between patients with back pain and healthy controls
(2008)BMC Musculoskeletal DisordersBackground To determine whether there is a difference between patients with low back pain and healthy controls in a test battery score for movement control of the lumbar spine. Methods This was a case control study, carried out in five outpatient physiotherapy practices in the German-speaking part of Switzerland. Twelve physiotherapists tested the ability of 210 subjects (108 patients with non-specific low back pain and 102 control ...Journal Article -
Sodium 2-mercaptoethanesulfonate monohydrate (coenzyme M sodium salt monohydrate)
(2008)Acta Crystallographica Section E: Structure Reports OnlineThe 2-thioethanesulfonate anion is the smallest known coenzyme in nature (HS–CoM) and plays a key role in methanogenesis by anaerobic archaea, as well as in the oxidation of alkenes by Gram-negative and Gram-positive eubacteria. The title compound, Na+·C2H5O3S2−·H2O, is the Na+ salt of HS–CoM crystallized as the monohydrate. Six O atoms form a distorted octahedral coordination geometry around the Na atom, at distances in the range 2.312 ...Journal Article -
Bis(acetato-κO)[N,N,N′,N′-tetramethylethane-1,2-diamine-κ2N,N′]copper(II)
(2008)Acta Crystallographica Section E: Structure Reports OnlineIn the title compound, [Cu(C2H3O2)2(C6H16N2)], the CuII atom is coordinated by two N atoms from the chelating N,N,N′,N′-tetramethylethane-1,2-diamine ligand and two O atoms from two acetate anions in a distorted square-planar geometry. In addition, there are longer contacts between Cu and the second O atom of each acetate ligand, which could be considered to complete a distorted octahedral geometry. The molecules in the crystal structure ...Journal Article -
-
Opinion Dynamics: the Effect of the Number of Peers Met at Once
(2008)Journal of Artificial Societies and Social SimulationThe opinion dynamics model introduced by Deffuant and Weisbuch as well as the one by Hegselmann and Krause are rather similar. In both models individuals are assumed to have opinions about an issue, they meet and discuss, and they may adapt their opinions towards the other agents` opinions or may ignore each other if their positions are too different. Both models differ with respect to the number of peers they meet at once. Furthermore ...Journal Article -