Abstract
SECRETIONS were collected from around the bovine cervical os using a vaginal speculum and spatula. (It would have been better to use secretions taken from the cervix itself; but such samples were too small for the technique available.) All samples were then reduced to a constant solid content of 0.14 per cent by dispersing in water and clearing in a centrifuge for one hour at about 7,000 g. Absorption curves, determined between 200 and 400 mµ, in general showed a maximum at about 273 mµ and a minimum at about 259 mµ.
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References
Glover, F. A., and Scott Blair, G. W., J. Endocrin., 9, 160 (1953).
Ogston, A. G., and Stanier, J. E., Biochem. J., 53, 4 (1953).
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GLOVER, F. Ultra-Violet Absorption Spectra and Flow Birefringence of Bovine Cervical Secretions. Nature 172, 255 (1953). https://doi.org/10.1038/172255a0
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DOI: https://doi.org/10.1038/172255a0
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