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  1. Article

    Molecular optical activity

    The Molecular Basis of Optical Activity: Optical Rotatory Dispersion and Circular Dichroism.

    S.F. Mason in Nature (1980)

  2. Article

    Crystal structure determinations

    Inorganic Molecular Dissymmetry.

    S.F. Mason in Nature (1979)

  3. Article

    Aromaticity

    S. F. MASON in Nature (1971)

  4. No Access

    Article

    New Types of Aromaticity

    RECENTLY it has been shown1 that the two ideas of aromatic character and the aromatic sextet, which are generally associated in current theory, are not necessarily connected and that in addition to the well-known...

    S. F. MASON in Nature (1965)

  5. No Access

    Article

    Optical Rotatory Power of DNA and of its Complex with Acridine Orange under Streaming Conditions

    THIS communication reports the results of experiments in which left- and right-circularly polarized light is propagated along the flow lines of a streaming solution of DNA or of the DNA-AO (acridine orange (I)...

    S. F. MASON, A. J. MCCAFFERY in Nature (1964)

  6. Article

    Differential Isotope Effects in the Ortho- and Para-Bromination of Dimethylaniline

    AN account of the kinetic isotope effect observed in the bromination of dimethylaniline in aqueous acid containing added bromide ions has been given previously1. We now report that the observed isotope effect var...

    P. G. FARRELL, S. F. MASON in Nature (1963)

  7. No Access

    Article

    Kinetic Isotope Effect in the Bromination of Dimethylaniline

    THE recent account by Shilov and Weinstein1 of a kinetic isotope effect in the iodination of some aromatic amines prompts us to report the observation of a similar effect in the bromination of dimethylaniline.

    P. G. FARRELL, S. F. MASON in Nature (1959)

  8. Article

    Recent Advances in the Chemistry and Biology of the Pteridines: Symposium in London

    S. F. MASON in Nature (1954)

  9. Article

    Chemistry, Ancient and Modern

    Crucibles

    S. F. MASON in Nature (1950)

  10. Article

    Primary Degradation Products of Mepacrine in Human Urines

    IN a previous note1 it has been reported that 2-chloro-5-amino-7-hydroxyacridine is to be found in the urines of mepacrine-taking subjects. We have now subjected such urines to a separation technique based on tha...

    D. LL. HAMMICK, S. F. MASON in Nature (1945)