期刊
JOURNAL OF MICROSCOPY
卷 226, 期 1, 页码 1-5出版社
WILEY
DOI: 10.1111/j.1365-2818.2007.01756.x
关键词
DIC; differential interference contrast; LED; light emitting diode; microtubules; optical tweezers; video-enhanced
类别
In many applications high-resolution video-enhanced differential interference contrast microscopy is used to visualize and track the ends of single microtubules. We show that single ultrabright light emitting diodes from Luxeon can be used to replace conventional light sources for these kinds of applications without loss of function. We measured the signal-to-noise ratio of microtubules imaged with three different light emitting diode colours (blue, red, green). The blue light emitting diode performed best, and the signal-to-noise ratios were high enough to automatically track the ends of dynamic microtubules. Light emitting diodes as light sources for video-enhanced differential interference contrast microscopy are high performing, low-cost and easy to align alternatives to existing illumination solutions.
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