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Electron microscopy of whole cells in liquid with nanometer resolution
Open accessAbstract
Single gold-tagged epidermal growth factor (EGF) molecules bound to cellular EGF receptors of fixed fibroblast cells were imaged in liquid with a scanning transmission electron microscope (STEM). The cells were placed in buffer solution in a microfluidic device with electron transparent windows inside the vacuum of the electron microscope. A spatial resolution of 4 nm and a pixel dwell time of 20 μs were obtained. The liquid layer was sufficiently thick to contain the cells with a thickness of 7 ± 1 μm. The experimental findings are consistent with a theoretical calculation. Liquid STEM is a unique approach for imaging single molecules in whole cells with significantly improved resolution and imaging speed over existing methods.
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Hell, S. W. (2007) · Science · doi:10.1126/science.1137395 · Cited by 2,967
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Metadata
- Authors
- Jonge, N. D., Peckys, D. B., Kremers, G. J., & Piston, D. W.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2009-02-17
- Volume
- 106
- Issue
- 7
- Pages
- 2159-2164
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2080853943
- Cited by
- 489
- References
- 1
- FWCI
- 17.63
- Type
- journal article
- Language
- en
- Open access
- green
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- Jonge, N. D., Peckys, D. B., Kremers, G. J., & Piston, D. W. (2009). Electron microscopy of whole cells in liquid with nanometer resolution. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0809567106
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