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A previous study compared two student groups that played a mathematics game based on a teachable agent. One group played with, and the other without, the inclusion of a social conversation module: a chat between the student and the teachable agent. Results were that students who used the game with the chat included had a more positive experience of the game and learned more in the sense of teachin
In this work, we featured an expression system that enables the production of sufficient quantities (~mg) of low molecular weight membrane protein of photosystem II, PsbH protein, for solid-state NMR as well as other biophysical studies. PsbH gene from cyanobacterium Synechocystis sp. PCC 6803 was cloned into a plasmid expression vector, which allowed expression of the PsbH protein as a glutathion
Volatiles are efficient mediators of chemical communication acting universally as attractant, repellent or warning signal in all kingdoms of life. Beside this broad impact volatiles have in nature, scents are also widely used in pharmaceutical, food and cosmetic industries, so the identification of new scents is of great industrial interest. Despite this importance as well as the vast number and d
The paper suggests an explicit form of a general integral of motion for some classes of dynamical systems including n-degrees of freedom Euler-Lagrange systems subject to (n - 1) virtual holonomic constraints. The knowledge of this integral allows to extend the classical results due to Lyapunov for detecting a presence of periodic solutions for a family of second order systems, and allows to solve
The aim of the study was to examine the changes in attitudes towards mental illness after theoretical education and clinical placement among students from university programmes preparing for different kinds of health professions. Three different questionnaires were used, measuring the level of familiarity with mental illness and attitudes towards mental illness in general and towards specific ment
Denna artikel syftar till att kortfattat beskriva utvecklingen av en normvetenskap samt att diskutera betydelsen av normanalyser inom samhällsvetenskap. En av sociologins främsta uppgifter ligger i att studera och förstå handlingar. Särskilt viktigt är studiet av interaktion eller samhandling. Genom olika processer av ömsesidig påverkan interagerar aktörer på olika nivåer av samhället. Interaktion
Today, in vitro (Latin: in glass) meat researchers strive to overhaul meat production technologies by producing meat outside animal bodies, primarily by culturing cells. In the process, meat should become healthier, more environmentally friendly and kinder to animals. In this article, I scrutinize (and problematize) this promissory discourse by examining the world that proponents envision alongsidToday, in vitro (Latin: in glass) meat researchers strive to overhaul meat production technologies by producing meat outside animal bodies, primarily by culturing cells. In the process, meat should become healthier, more environmentally friendly and kinder to animals. In this article, I scrutinize (and problematize) this promissory discourse by examining the world that proponents envision alongsid
The series comprised 49 Swedish patients with severe haemophilia G [belonging to 49 families (21 with known and 28 with sporadic haemophilia)l, of whom 12 had developed F.VIII inhibitors. Using Southern blotting, 45% (22/49) were found to have inversions, i.e., intrachromosomal rearrangements of the tip of the X chromosome. Twenty patients had one or the other of the two variants of inversions rec
The extension of DNA confined to nanochannels has been studied intensively and in detail. However, quantitative comparisons between experiments and model calculations are difficult because most theoretical predictions involve undetermined prefactors, and because the model parameters (contour length, Kuhn length, effective width) are difficult to compute reliably, leading to substantial uncertainti
The synthesis of pharmaceuticals and catalysts more and more relies on enantiopure chiral building blocks. These can be produced in an environmentally benign and efficient way via bioreduction of prochiral ketones catalyzed by dehydrogenases. A productive source of these biocatalysts is the yeast Saccharomyces cerevisiae, whose genome also encodes a reductase catalyzing the sequential reduction of
Objectives The aim of this study was to confirm the influence of TNFSF4 polymorphisms on systemic sclerosis (SSc) susceptibility and phenotypic features. Methods A total of 8 European populations of Caucasian ancestry were included, comprising 3014 patients with SSc and 3125 healthy controls. Four genetic variants of TNFSF4 gene promoter (rs1234314, rs844644, rs844648 and rs12039904) were selected
The article applies a micro-sociological approach to investigate civil-military relations in a very concrete form: How do interactions between protesters and security forces shape the development of a conflict? Based on fieldwork in Bahrain and interviews with activists, journalists and opposition politicians, the article analyses the micro-sociological dynamics of how, despite great numbers and m
