Letter | Published:

An Electron Microscope Study of Nucleic Acid

Naturevolume 168pages470471 (1951) | Download Citation



PBOBABLY the only macromolecules which have been observed directly are some of the larger proteins seen with the electron microscope. Although many polymers have a molecular size as great as these proteins, the width of the polymer chains is too small for them to be visible. The following observations on nucleic acid, however, suggest that these molocules can be seen individually.

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  1. 1

    Oster, G., Trans. Farad. Soc., 46, 794 (1950).

  2. 2

    Scott, J., Biochim. et Biophys. Acta, 2, 1 (1948).

  3. 3

    Wilkins, M. H. F., Gosling, R. G., and Seeds, W. E., Nature, 167, 759 (1951).

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  1. Wheatstone Physics Laboratory, King's College, London, W.C.2

    • S. T. BAYLEY


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