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- Photoactivated_localization_microscopy abstract "Photo-activated localization microscopy (PALM or fPALM)and stochastic optical reconstruction microscopy (STORM) are widefield (as opposed to point scanning techniques such as laser scanning confocal microscopy) fluorescence microscopy imaging methods that allow obtaining images with a resolution beyond the diffraction limit. The methods were proposed in 2006 in the wake of a general emergence of optical super-resolution microscopy methods, and were featured as Methods of the Year for 2008 by the Nature Methods journal.The development of PALM as a targeted biophysical imaging method was largely prompted by the discovery of new species and the engineering of mutants of fluorescent proteins displaying a controllable photochromism, such as Photo-activatable GFP. However, the concomitant development of STORM, sharing the same fundamental principle, originally made use of paired cyanine dyes.One molecule of the pair (called activator), when excited near its absorption maximum, serves to reactivate the other molecule (called reporter) to the fluorescent state.A growing number of dyes are used for PALM, STORM and related techniques, both organic fluorophores and fluorescent proteins. Some are compatible with live cell imaging, others allow faster acquisition or denser labeling. The choice of a particular fluorophore ultimately depends on the application and on its underlying photophysical properties.Both techniques have undergone significant technical developments, in particular allowing multicolor imaging and the extension to three dimensions, with the best current axial resolution of 10 nm in the third dimension obtained using an interferometric approach with two opposing objectives collecting the fluorescence from the sample.".
- Photoactivated_localization_microscopy thumbnail Concept_IdentificationAndLocalization_pointemitters.png?width=300.
- Photoactivated_localization_microscopy wikiPageExternalLink index.html.
- Photoactivated_localization_microscopy wikiPageExternalLink index.html.
- Photoactivated_localization_microscopy wikiPageID "36770702".
- Photoactivated_localization_microscopy wikiPageRevisionID "605280896".
- Photoactivated_localization_microscopy subject Category:Cell_imaging.
- Photoactivated_localization_microscopy subject Category:Medical_imaging.
- Photoactivated_localization_microscopy subject Category:Microscopes.
- Photoactivated_localization_microscopy subject Category:Scientific_techniques.
- Photoactivated_localization_microscopy comment "Photo-activated localization microscopy (PALM or fPALM)and stochastic optical reconstruction microscopy (STORM) are widefield (as opposed to point scanning techniques such as laser scanning confocal microscopy) fluorescence microscopy imaging methods that allow obtaining images with a resolution beyond the diffraction limit.".
- Photoactivated_localization_microscopy label "Photoactivated Localization Microscopy".
- Photoactivated_localization_microscopy label "Photoactivated localization microscopy".
- Photoactivated_localization_microscopy sameAs Photoactivated_Localization_Microscopy.
- Photoactivated_localization_microscopy sameAs m.0ll4r9b.
- Photoactivated_localization_microscopy sameAs Q1522462.
- Photoactivated_localization_microscopy sameAs Q1522462.
- Photoactivated_localization_microscopy wasDerivedFrom Photoactivated_localization_microscopy?oldid=605280896.
- Photoactivated_localization_microscopy depiction Concept_IdentificationAndLocalization_pointemitters.png.
- Photoactivated_localization_microscopy isPrimaryTopicOf Photoactivated_localization_microscopy.
