Micro and Nano-systems publishes significant original work, topical reviews and guest edited issues ranging from technologies and systems to product innovation and new manufacturing processes with features at the micro and nanoscale. Applications for micro and nano-systems in areas such as health, environment, food, security and consumer goods are covered. The topics to be addressed include lab-on-a-chip, microfluidics, nano-biotechnology, micro and nano manufacturing, printed electronics and MEMS.
Articles from the journal Micro and Nanosystems Volume 10, Issue 1:
For details on the articles, please visit this link :: https://bit.ly/2OTrpC5
Author(s): Femi Robert*, Amalin Prince, Anita Agrawal, Shibu Clement.
Objective: In this paper, electrostatically actuated micromechanical switch for battery powered electrical system has been presented. An electrostatically actuated micromechanical switch has been designed and the electromechanical characteristics have been discussed.
Methods: The switching characteristics, power loss and leakage current of the switch have been obtained for 12 V/0.2 A electrical system. In order to meet the high power rating, the designed arcless micromechanical switches have been connected in a scalable cross-tied array configuration and the switching characteristics were obtained for 144 V/3 A electrical system.
Result: The arc existing parts of the micromechanical switch have been identified and the arcless switching has been discussed. The reliability of the switch has been presented based on electromechanical behavior, arcless switching and scalability. The discharging characteristics of battery have been obtained for the circuit having solid-state and micromechanical switch.
Conclusion: The result shows significant improvement in the power loss, battery discharging characteristics and is promising application for battery operated electrical system.
For more details, please visit: http://www.eurekaselect.com/163165/article
Micro and Nanosystems publishes significant original work, topical reviews and guest edited issues ranging from technologies and systems to product innovation and new manufacturing processes with features at the micro and nanoscale. Applications for micro and nanosystems in areas such as health, environment, food, security and consumer goods are covered. The topics to be addressed include lab-on-a-chip, microfluidics, nano-biotechnology, micro and nanomanufacturing, printed electronics and MEMS.
Articles from the journal Micro and Nanosystems Volume 9, Issue 2:
For details on the articles, please visit this link :: https://bit.ly/2GMXuGM
Journal: Micro and Nanosystems
Author(s): Joaquin Ortega-Casanova, Pablo Benitez-Alcaide
Objecive: The Response Surface Methodology (RSM) is applied to optimize a passive micromixing unit according to three different targets.
Method: To that end several numerical simulations of the low Reynolds number flow in a micromixer, comprising a T-channel and a mixing unit in the main channel, have been conducted. The mixing is enhanced by means of two bars at known angles inside the mixing unit. The input parameter of the optimization process is the distance between bars and, depending on the desired target, different optimal separations are proposed. It has also been assessed how different mixing parameters change when multiple repetitions of the mixing unit, up to 10, are used in the microchannel.
Conclusion: This has allowed us to identify the use of 10 units as the best configuration to get the highest efficiency, but the use of 1 unit as the cheapest one, from a mixing cost point of view. Additionally, some configurations have also been assessed as potential chemical microreactors, and it will be shown that they perform better as microreactor than as micromixer.
To access the article, please visit: http://www.eurekaselect.com/153784/article
Micro and Nanosystems 9-1
Protein & Peptide Letters 24-9
Current Medicinal Chemistry 24-34
Drug Metabolism Letters 11-1
Current Medicinal Chemistry 24-35
Recent Patents on Anti-Cancer Drug Discovery 12-4
Current Topics in Medicinal Chemistry 17-28
Current Traditional Medicine 3-3
Current Protein & Peptide Science 19-1
Current HIV Research 15-5
ARTICLE BY DISEASE ON “HAEMATOLOGY”
Tensile tests have been carried out to determine the failure strain of red blood cells. However, difficulties in reproducibly arise due to problems controlling the hold position of the cells during the test, which raises questions about the reliability of experimental data. Here, we investigate the effects of the hold position of the red blood cell on strain field during tensile testing using numerical simulations. Tensile tests were simulated in three hold positions. The results show significant variations in the deformed geometry of the red blood cell during the tensile test, as well as variations in strain distribution. Of the hold patterns examined, with an applied strain of 0.8, the misaligned stretch increased the maximum of the first principal strain by 65–85% in comparison to the aligned stretch. Although it would be ideal to precisely control the hold position and reproducibility, in practice this is not straightforward, and hence the effects of variations in the hold position should be considered when interpreting experimental data.
Read more: http://www.eurekaselect.com/node/138323/article
The researchers show the ability of a micromilling machine to manufacture microchannels down to 30 µm and also the ability of a microfluidic device to perform partial separation of red blood cells from plasma.
In this work, Dr. Diana and fellow researchers propose a low cost technique able to produce microfluidic devices for biomedical applications. The most common technique to fabricate biomedical microdevices is soft-lithography. However, it is a costly and time-consuming technique. Progress in manufacturing milling tools smaller than 100 µm, has enabled the use of micromilling machines to fabricate microfluidic devices capable of performing cell separation.
Dr. Diana Pinho
Bentham Science Publishers
Read more here: http://www.eurekalert.org/pub_releases/2016-04/bsp-bfm041316.php
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