摘要：

The angular distribution of the reduced intensity of light scattered from solutions of three desoxypentose nucleic acid samples (Gulland and Jordan, Schwander and Signer, and our own) over the concentration range of 5 to 20 × 10-5 g./cc. in 0.2 M NaCl has been determined. From this it is deduced that the molecular weights are 4.0, 6.7 and 4.0 million, respectively, and the maximum dimension of the Schwander and Signer sample is 6400 . Molecular shapes that are consistent with the scattering envelope are discussed.

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