The movement and growth of cells are critical for normal physiological processes, and--when perturbed--can result in negative outcomes such as tumor formation. Understanding how live cells function is therefore invaluable for molecular and cellular biologists, and advanced techniques to visualize cells in action are of great importance.
The current issue of Cold Spring Harbor Protocols (www.cshprotocols.org) addresses these concerns with two freely accessible protocols: one for inserting 'reporter' proteins into cells to monitor what's going on inside, and another for maintaining the cells under a microscope for long-term observation.
The first protocol, available at
A second freely available protocol
(http://www.cshprotocols.org/cgi/content/full/2007/1/pdb.prot4660) outlines the construction and use of an enclosed microscope chamber. This device is designed to optimize the culture environment for cells--allowing them to grow as they would normally--while optimizing the conditions for viewing them by microscopy. This enables researchers to monitor the cells under a microscope for long time periods (in excess of four days), during which the cells may divide multiple times and cycle through nearly all cellular functions. When coupled with the latest in image-analysis software, this technique allows researchers to gain a long-term perspective on events in the lives of cells.
Maria Smit | EurekAlert!
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Let’s say the armrest is broken in your vintage car. As things stand, you would need a lot of luck and persistence to find the right spare part. But in the world of Industrie 4.0 and production with batch sizes of one, you can simply scan the armrest and print it out. This is made possible by the first ever 3D scanner capable of working autonomously and in real time. The autonomous scanning system will be on display at the Hannover Messe Preview on February 6 and at the Hannover Messe proper from April 23 to 27, 2018 (Hall 6, Booth A30).
Part of the charm of vintage cars is that they stopped making them long ago, so it is special when you do see one out on the roads. If something breaks or...
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