File:A-Single-Molecule-Investigation-of-the-Photostability-of-Quantum-Dots-pone.0044355.s005.ogv
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A-Single-Molecule-Investigation-of-the-Photostability-of-Quantum-Dots-pone.0044355.s005.ogv (Ogg Theora video file, length 12 s, 512 × 512 pixels, 1.03 Mbps, file size: 1.48 MB)
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[edit]DescriptionA-Single-Molecule-Investigation-of-the-Photostability-of-Quantum-Dots-pone.0044355.s005.ogv |
English: Single QD705 color switching observed with a QuadView image splitter in the absence of BME. The time-lapse image sequence of QD705s was acquired with 10 ms integration at about 25 Hz for 1200 images in the absence of BME (scale bar = 10 µm; time stamp in seconds). At the onset of the movie, only QDs emitting in the upper spectral window (top left, >690 nm) are visible. Within a few seconds, however, single QDs become visible in the subsequent spectral window (top right, 645< × <665 nm) and after 10–15 seconds also in the following spectral window (bottom right, 595< × <615 nm), and finally in the last spectral window (bottom left, 545< × <585 nm) after 20–25 seconds before disappearing completely. Also clearly visible in the movie is the typical intermittency in the emission of single QDs; a process that also remains for QDs that have undergone spectral blue-shifting. The quantitative results of the spectral blue-shifting are found in Figure 4. |
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Source | Video S2 from Arnspang Christensen E, Kulatunga P, Lagerholm B (2012). "A Single Molecule Investigation of the Photostability of Quantum Dots". PLOS ONE. DOI:10.1371/journal.pone.0044355. PMID 22952963. PMC: 3432116. | ||
Author | Arnspang Christensen E, Kulatunga P, Lagerholm B | ||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:14, 15 November 2012 | 12 s, 512 × 512 (1.48 MB) | Open Access Media Importer Bot (talk | contribs) | Automatically uploaded media file from Open Access source. Please report problems or suggestions here. |
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Author | Arnspang Christensen E, Kulatunga P, Lagerholm B |
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Usage terms | http://creativecommons.org/licenses/by/3.0/ |
Image title | Single QD705 color switching observed with a QuadView image splitter in the absence of BME. The time-lapse image sequence of QD705s was acquired with 10 ms integration at about 25 Hz for 1200 images in the absence of BME (scale bar? |
Software used | Xiph.Org libtheora 1.1 20090822 (Thusnelda) |
Date and time of digitizing | 2012 |