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Ultrasonic particle switching in microfluidic channels

Introduction It is known that suspended particles are affected by radiation forces when exposed to ultrasound. Suspended particles are gathered in the pressure nodal or pressure anti-nodal planes of an ultrasonic standing wave field depending on the density and compressibility of the particles and the medium. By combining this effect with laminar flow in a silicon micro channel different particle

Purification methods of mammalian catechol-O-methyltransferase

The protein purification strategies used for obtaining homogeneous rat and human soluble catechol-O-methyltransferase (S-COMT) polypeptides are reviewed. Expression and purification of recombinant rat and human S-COMT in Escherichia coli and for human S-COMT in baculovirus-infected insect cells made it possible to elucidate the S-COMT polypeptides in more detail. The application of these purificat

A Model for the Analysis of Sick Leave in Sweden

This paper addresses the question of how to model individual behavior in the face of changes in the set of rules that govern the social welfare system in Sweden. To this end, the Swedish sickness insurance provides an excellent study object, since the system has often been changed during the past decade. The question of employee compensation for sick leave is one the more widely discussed aspects

BSc and MSc theses on three-dimensional property units and ownership apartments in Sweden

The objective of this paper is to give an overview on BSc and MSc theses produced in Sweden during the latest 10-15 years within the area of three-dimensional property units and ownership apartments, being new legal entities since 2004 and 2009 respectively. The overview shows the amplitude, variation and perspectives in these works. A total number of 95 theses reports have been reviewed. Search

Investigator self-interest in the environmental process

The Swedish Environmental Code states that certain potentially harmful activities must not be pursued without a permit. When applying for a permit,the applicant shall submit an environmental impact assessment, which describes the effects that the activity might have on the environment. This article discusses the risk that investigator self-interest decreases the adequacy of environmental impact as