Abstract
IN designing quantitative ultracentrifuges costing only a few pounds and available for measurements of sedimentation velocity and of sedimentation equilibrium, it is clearly best to adopt the simple modification of the air-driven spinning top of Henriot and Hugenard, in which the essential part of the system is immobilized by mechanical baffles1. This dispenses entirely with an optical system and depends upon direct analysis of the liquid after ultracentrifuging, using any suitable chemical, physical or biological method. Such opaque ultracentrifuges possess the further advantage over any transparent ultracentrifuge that the whole of the column of liquid from its upper surface outwards and from the very beginning of the sedimentation is available, without distortion, for exact measurement.
This is a preview of subscription content, access via your institution
Access options
Subscribe to this journal
Receive 51 print issues and online access
$199.00 per year
only $3.90 per issue
Buy this article
- Purchase on Springer Link
- Instant access to full article PDF
Prices may be subject to local taxes which are calculated during checkout
Similar content being viewed by others
References
McBain, J. W., and O'Sullivan, C. M., J. Amer. Chem. Soc., 57, 781 (1935).
McBain, J. W., and Alvarez-Tostado, C., NATURE, 139, 1066 (June 19, 1937); J. Amer. Chem. Soc., 59, 2489 (1937).
Tiselius, A., Pedersen, K. O., and Svedberg, T., NATURE, 140, 88 (Nov. 13, 1937).
McBain, J. W., Science, 87, 93 (1938).
Svedberg, T., Ind. Eng. Chem. (Analytical Edition), 10, 125 (1938).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
MCBAIN, J., LEYDA, F. A Simple Inexpensive Ultracentrifuge. Nature 141, 913–914 (1938). https://doi.org/10.1038/141913b0
Issue Date:
DOI: https://doi.org/10.1038/141913b0
Comments
By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.