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Spin coating is widely used in microfabrication of functional oxide layers on glass or single crystal substrates using sol-gel precursors, where it can be used to create uniform thin films with nanoscale thicknesses. [6] It is used intensively in photolithography, to deposit layers of photoresist about 1 micrometre thick. Photoresist is ...
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A spinner. A Spinner is a type of bioreactor which features an impeller, stirrer or similar device to agitate the contents (usually a mixture of cells, medium and products like proteins that can be harvested). [1] The vessels are usually made out of glass or stainless steel with port holes to accommodate sensors, Medium input or gas flow.
While adherent cells require initial processing with a digestion enzyme, to remove them from the culture flask surface, suspension cells are floating freely in media. [19] A sample from the culture can then be taken and analyzed to determine the ratio of living to dead cells (using a stain such as trypan blue ) and the total concentration of ...
log(N+1) number of publications about electrospinning by year: patent families from Questel-Orbit , non-patents from Web of Science and from SciFinder-N In the early 1990s several research groups (notably that of Reneker and Rutledge who popularised the name electrospinning for the process) [ 55 ] demonstrated that many organic polymers could ...
Several inches of snow will batter New York into Saturday morning including near Albany, where 6-12 inches of snow are likely and a winter storm warning remains in effect until 1 a.m.
Close to 1 in 10 people in the U.S., about 32 million people, are Hispanic males; the U.S. Latino population is nearly evenly divided between men and women.
This type of wheel is powered by the spinner's foot rather than their hand or a motor. The spinner sits and pumps a foot treadle that turns the drive wheel via a crankshaft and a connecting rod. This leaves both hands free for drafting the fibres, which is necessary in the short draw spinning technique, which is often used on this type of wheel ...