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SURFACE TENSION OF SERUM : VI. THE STUDY OF IMMUNE SERUM. TIME-DROP AND INITIAL VALUE OF SURFACE TENSION.
1. The initial surface tension of serum or serum solutions is not affected systematically by the presence of antibodies in the serum. On the contrary, the time-drop in 2 hours is always increased, from 25 to 100 per cent. 2. It is extremely important, in order to demonstrate these phenomena, that th...
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Formato: | Texto |
Lenguaje: | English |
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The Rockefeller University Press
1923
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2128420/ https://www.ncbi.nlm.nih.gov/pubmed/19868774 |
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author | du Noüy, P. Lecomte |
author_facet | du Noüy, P. Lecomte |
author_sort | du Noüy, P. Lecomte |
collection | PubMed |
description | 1. The initial surface tension of serum or serum solutions is not affected systematically by the presence of antibodies in the serum. On the contrary, the time-drop in 2 hours is always increased, from 25 to 100 per cent. 2. It is extremely important, in order to demonstrate these phenomena, that the greatest care be taken regarding the cleanness of the vessels and the purity of water and NaCl. 3. It is equally important to use a device, for example such as is pictured in this paper, capable of preventing the jarring and shaking of the liquid. 4. The value of the time-drop of a normal, healthy serum is never higher than 10 dynes. Should it be higher, the serum must not be used for immunity experiments. |
format | Text |
id | pubmed-2128420 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 1923 |
publisher | The Rockefeller University Press |
record_format | MEDLINE/PubMed |
spelling | pubmed-21284202008-04-18 SURFACE TENSION OF SERUM : VI. THE STUDY OF IMMUNE SERUM. TIME-DROP AND INITIAL VALUE OF SURFACE TENSION. du Noüy, P. Lecomte J Exp Med Article 1. The initial surface tension of serum or serum solutions is not affected systematically by the presence of antibodies in the serum. On the contrary, the time-drop in 2 hours is always increased, from 25 to 100 per cent. 2. It is extremely important, in order to demonstrate these phenomena, that the greatest care be taken regarding the cleanness of the vessels and the purity of water and NaCl. 3. It is equally important to use a device, for example such as is pictured in this paper, capable of preventing the jarring and shaking of the liquid. 4. The value of the time-drop of a normal, healthy serum is never higher than 10 dynes. Should it be higher, the serum must not be used for immunity experiments. The Rockefeller University Press 1923-06-30 /pmc/articles/PMC2128420/ /pubmed/19868774 Text en Copyright © Copyright, 1923, by The Rockefeller Institute for Medical Research New York This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/4.0/). |
spellingShingle | Article du Noüy, P. Lecomte SURFACE TENSION OF SERUM : VI. THE STUDY OF IMMUNE SERUM. TIME-DROP AND INITIAL VALUE OF SURFACE TENSION. |
title | SURFACE TENSION OF SERUM : VI. THE STUDY OF IMMUNE SERUM. TIME-DROP AND INITIAL VALUE OF SURFACE TENSION. |
title_full | SURFACE TENSION OF SERUM : VI. THE STUDY OF IMMUNE SERUM. TIME-DROP AND INITIAL VALUE OF SURFACE TENSION. |
title_fullStr | SURFACE TENSION OF SERUM : VI. THE STUDY OF IMMUNE SERUM. TIME-DROP AND INITIAL VALUE OF SURFACE TENSION. |
title_full_unstemmed | SURFACE TENSION OF SERUM : VI. THE STUDY OF IMMUNE SERUM. TIME-DROP AND INITIAL VALUE OF SURFACE TENSION. |
title_short | SURFACE TENSION OF SERUM : VI. THE STUDY OF IMMUNE SERUM. TIME-DROP AND INITIAL VALUE OF SURFACE TENSION. |
title_sort | surface tension of serum : vi. the study of immune serum. time-drop and initial value of surface tension. |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2128420/ https://www.ncbi.nlm.nih.gov/pubmed/19868774 |
work_keys_str_mv | AT dunouyplecomte surfacetensionofserumvithestudyofimmuneserumtimedropandinitialvalueofsurfacetension |