1921
Volume s1-18, Issue 2
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

Summary

In summary, as a result of inquiry into the basic factors governing these 5 technics, the iodine-dilution technic has been found to be slightly more efficient in the of diagnosable and cysts from a given amount of fecal material than is the hematoxylin-film technic or centrifugal floatation. It is considerably more efficient than centrifugation and superior to sedimentation. However, when the factors of concentration are considered, the by centrifugation may be 4- or 5-fold that of the iodinedilution technic, while centrifugal-floatation, using zinc sulphate solution (sp. g. 1.180) as the diluent, provides a concentration which may be as high as 1000-fold.

We are now testing the centrifugal-floatation technic, with zinc sulphate as the levitating medium, for comparison with the iodine-dilution technic in routine fecal diagnosis. As soon as an adequate series of specimens has been examined and the results have been analyzed, we expect to be in a position to recommend a simplified, practical method for clinical laboratory diagnosis of parasites in feces.

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/content/journals/10.4269/ajtmh.1938.s1-18.169
1938-03-01
2017-11-18
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http://instance.metastore.ingenta.com/content/journals/10.4269/ajtmh.1938.s1-18.169
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  • Received : 15 Dec 1937

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