Letter | Published:

Spectroscopy of Cells: the Use of a Reflecting Microscope and Spectrographic Recording

Nature volume 166, pages 2627 (01 July 1950) | Download Citation

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Abstract

THIS communication describes the use of a simple microspectroscopic method which permits the recording of the ultra-violet and the visible absorption characteristics of cells or portions of cells within a period of a few seconds. The apparatus consists of a light source which emits radiation throughout the ultra-violet and the visible spectrum, a microscope with a reflecting achromatic condenser and objective of numerical aperture 0.56 (designed by Mr. A. J. Kavanagh and made by the Scientific Instrument Division of the American Optical Company), and a small quartz spectrograph (Hilger).

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Author information

Affiliations

  1. Sloan-Kettering Institute for Cancer Research, New York, N.Y. Dec. 8.

    • ROBERT C. MELLORS
    • , JOHN F. KEANE JUN.
    •  & HOWARD G. STREIM

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https://doi.org/10.1038/166026a0

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