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On the Measured Current in Needle- and Needleless Electrospinning

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The electric current was measured during needle-, rod- and roller electrospinning. The influence of the needle diameter, flow rate, protrusion needle length, and relative humidity on the current was studied using various polymer solutions. The results of Bhattacharjee et al. were confirmed in the experiments with polyethylene oxide solutions. Electrospinning from a droplet of a polymer solution placed on a steel rod confirmed the expected direct proportionality between the number of jets and the current. By measuring the current and the polymer throughput during roller electrospinning while simultaneously recording the process on a camera, the following process characteristics were found: the number of jets per spinning surface area, throughput per jet, total current, current per jet, and distance between Taylor cones on the surface of the spinning roller.

Document Type: Research Article

Publication date: July 1, 2013

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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