Retrofitted confocal laser scanner for a commercial inverted fluorescence microscope

Chad E. Bigelow, Curtis J. Harkrider, David L. Conover, Thomas H. Foster, Irene Georgakoudi, Soumya Mitra, Michael G. Nichols, Milind Rajadhyaksha

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Abstract

We describe the design and implementation of an inverted laser scanning confocal fluorescence microscope utilizing the commercial Nikon Diaphot TMD platform. An external confocal scanner was retrofitted through the video side port of the Diaphot. With 10×, 0.5 NA dry and 60×, 1.4 NA oil immersion objectives, the depth discrimination is 5.8 μm and 0.8 μm, respectively, as determined by derivatives of fluorescence edge responses measured in liquid samples of rhodamine 6G dissolved in DMSO. We present sample edge response curves and representative confocal fluorescence images of tumor cells in monolayer culture.

Original languageEnglish (US)
Pages (from-to)3407-3410
Number of pages4
JournalReview of Scientific Instruments
Volume72
Issue number8
DOIs
StatePublished - Aug 1 2001

All Science Journal Classification (ASJC) codes

  • Instrumentation

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    Bigelow, C. E., Harkrider, C. J., Conover, D. L., Foster, T. H., Georgakoudi, I., Mitra, S., Nichols, M. G., & Rajadhyaksha, M. (2001). Retrofitted confocal laser scanner for a commercial inverted fluorescence microscope. Review of Scientific Instruments, 72(8), 3407-3410. https://doi.org/10.1063/1.1382637