Journal
NEUROPHOTONICS
Volume 4, Issue 2, Pages -Publisher
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.NPh.4.2.020901
Keywords
super-resolution microscopy; secondary ion mass spectrometry; protein turnover; stimulated emission depletion microscopy; stochastic optical reconstruction microscopy; photoactivated light microscopy; NanoSIMS; correlated imaging
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Funding
- ) European Research Council (NeuroMolAnatomy)
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Investigating the detailed substructure of the cell is beyond the ability of conventional optical microscopy. Electron microscopy, therefore, has been the only option for such studies for several decades. The recent implementation of several super-resolution optical microscopy techniques has rendered the investigation of cellular substructure easier and more efficient. Nevertheless, optical microscopy only provides an image of the present structure of the cell, without any information on its long-temporal changes. These can be investigated by combining super-resolution optics with a nonoptical imaging technique, nanoscale secondary ion mass spectrometry, which investigates the isotopic composition of the samples. The resulting technique, combined isotopic and optical nanoscopy, enables the investigation of both the structure and the history of the cellular elements. The age and the turnover of cellular organelles can be read by isotopic imaging, while the structure can be analyzed by optical (fluorescence) approaches. We present these technologies, and we discuss their implementation for the study of biological samples. We conclude that, albeit complex, this type of technology is reliable enough for mass application to cell biology. (C) The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License.
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