DNA may be one of the most basic molecules of life, but it's not easy to study. Despite being a very long molecule, it's only about 2.2 nanometers wide, so it's hard to see. Attaching fluorescent dyes to it can help, but until now, knowing how those dye molecules were behaving wasn't possible. A team of scientists at Stanford University has built on a technique called "single-molecule microscopy" to see just how DNA-bound dye molecules orient themselves, flop around and glow in the presence of polarized laser light.
.. Continue Reading Polarized lasers zap dyed DNA into super resolutionCategory: Biology
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from Gizmag Emerging Technology Magazine http://ift.tt/28LDxEB
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