MEMSuniverse » type http://www.memsuniverse.com A Passion for Creativity & Innovation Tue, 23 Oct 2012 21:57:22 +0000 en-US hourly 1 http://wordpress.org/?v=3.4.2 Okayama University’s Artificial Muscle http://www.memsuniverse.com/mems/bio-mems/okayama-universitys-artificial-muscle.html http://www.memsuniverse.com/mems/bio-mems/okayama-universitys-artificial-muscle.html#comments Sun, 01 Mar 2009 01:11:56 +0000 admin http://www.memsuniverse.com/?p=1116 DigInfo: http://movie.diginfo.tv – With the increasing elderly population who need physical istance moving around, Okayama University is working on a Mckibben Artificial Muscle system that uses air pressure to help the elderly and disabled move. The system consists of a thin mesh over a rubber tube that expands and contracts like real muscles as air is pumped into it. This can help improve people’s grip and even help people who can’t stand stand up. Since it mimics the natural muscle behavior this technology is appealing but there are a few drawbacks still to fix such as the weight and size of the compressed air generator and control unit as well as precision controls for fine motions.

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]]> http://www.memsuniverse.com/mems/bio-mems/okayama-universitys-artificial-muscle.html/feed 12 c type sieve http://www.memsuniverse.com/mems/bio-mems/c-type-sieve.html http://www.memsuniverse.com/mems/bio-mems/c-type-sieve.html#comments Sun, 25 Jan 2009 17:04:00 +0000 admin http://www.memsuniverse.com/?p=1015

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“C-shaped sieve” shows pronounced aggregation of the cells in the
downstream section of the trap. Large cell aggregates are particularly
unfavorable for microscale cell culture, as they can quickly exhaust
the local nutrients and reduce oxygenation efficiency, stressing the
culture to the point of cell death by necrosis or apoptosis.

related article:
Building
a Better Cell Trap: Applying Lagrangian Modeling to the Design of
Microfluidic Devices for Cell Biology, Min-Cheol Kim, Zhanhui Wang,
Raymond H. W. Lam and Todd Thorsen, Journal of Applied Physics, 103
(2008) 044701.


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