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Item Type: | Article |
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Title: | Simple method for sub-diffraction resolution imaging of cellular structures on standard confocal microscopes by three-photon absorption of quantum dots |
Creators Name: | Sporbert, A., Cseresnyes, Z., Heidbreder, M., Domaing, P., Hauser, S., Kaltschmidt, B., Kaltschmidt, C., Heilemann, M. and Widera, D. |
Abstract: | This study describes a simple technique that improves a recently developed 3D sub-diffraction imaging method based on three-photon absorption of commercially available quantum dots. The method combines imaging of biological samples via tri-exciton generation in quantum dots with deconvolution and spectral multiplexing, resulting in a novel approach for multi-color imaging of even thick biological samples at a 1.4 to 1.9-fold better spatial resolution. This approach is realized on a conventional confocal microscope equipped with standard continuous-wave lasers. We demonstrate the potential of multi-color tri-exciton imaging of quantum dots combined with deconvolution on viral vesicles in lentivirally transduced cells as well as intermediate filaments in three-dimensional clusters of mouse-derived neural stem cells (neurospheres) and dense microtubuli arrays in myotubes formed by stacks of differentiated C2C12 myoblasts. |
Keywords: | Cell Line, Confocal Microscopy, Lasers, Photons, Quantum Dots, Three-Dimensional Imaging, Animals, Mice |
Source: | PLoS ONE |
ISSN: | 1932-6203 |
Publisher: | Public Library of Science |
Volume: | 8 |
Number: | 5 |
Page Range: | e64023 |
Date: | 21 May 2013 |
Official Publication: | https://doi.org/10.1371/journal.pone.0064023 |
PubMed: | View item in PubMed |
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