Browsing by Subject "light-emitting diode"

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    A guide for single-particle chromatin tracking in live cell nuclei
    (Wiley, 2022) Zhang, Mengdi; Seitz, Clayton; Chang, Garrick; Iqbal, Fadil; Lin, Hua; Liu, Jing; Physics, School of Science
    The emergence of labeling strategies and live cell imaging methods enables the imaging of chromatin in living cells at single digit nanometer resolution as well as milliseconds temporal resolution. These technical breakthroughs revolutionize our understanding of chromatin structure, dynamics and functions. Single molecule tracking algorithms are usually preferred to quantify the movement of these intranucleus elements to interpret the spatiotemporal evolution of the chromatin. In this review, we will first summarize the fluorescent labeling strategy of chromatin in live cells which will be followed by a systematic comparison of live cell imaging instrumentation. With the proper microscope, we will discuss the image analysis pipelines to extract the biophysical properties of the chromatin. Finally, we expect to give practical suggestions to broad biologists on how to select methods and link to the model properly according to different investigation purposes. This article is protected by copyright. All rights reserved.