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This article introduces a novel magnetic bead-based DNA extraction and purification device using active magnetic mixing approach. Mixing and separation steps are performed using functionalised superparamagnetic beads suspended in cell lysis buffer in a circular chamber that is sandwiched between two external magnetic coils. Non-uniform nature of magnetic field causes temporal and spatial distribution...
The paper presents theoretical analysis and experimental verification of an electro-optic sensor for measurements of DC electric fields in space charge environment. Effects of both unipolar and bipolar charge were investigated. It was shown that in both cases the sensor output is linearly dependent on the intensity of measured electric field and independent of the space charge density. The achieved...
Mobility, that is, the ability to move and change location is a necessity of life. If one's mobility is limited, the level of quality of life is significantly lower. Visual impairment offers a serious restriction in mobility. Along with a very established aids in a form of the guide dogs and the canes, the a number of aids were proposed to date. None of them, however, were widely accepted by visually...
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