Document Detail

Electron probe microanalysis of elemental composition of mouse cardiac myocytes during post-natal maturation.
MedLine Citation:
PMID:  511945     Owner:  NLM     Status:  MEDLINE    
Elemental concentrations in the cytoplasm and nucleus of t tests post-natal mouse myocytes were measured at 2, 4, 8, 16, 32 days and in adults using electron probe X-ray microanalysis. Using an analysis of variance test, significant age dependent changes were found in intracellular potassium, sulfur, phosphorus, and chlorine concentrations (mg/kg dry weight), while sodium and magnesium concentrations did not show significant changes. The application of t tests following linear regression analyses (age versus concentration for each element) did, however, give a significant slope for cytoplasmic sodium, potassium, sulfur, and phosphorus values. The findings correspond closely with an emission spectroscopy-titrimetric study of whole heart ventricle of the same developmental period (Hazelwood and Nichols, '70).
S G Dykes; I L Cameron; N K Smith
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of cellular physiology     Volume:  100     ISSN:  0021-9541     ISO Abbreviation:  J. Cell. Physiol.     Publication Date:  1979 Aug 
Date Detail:
Created Date:  1980-02-26     Completed Date:  1980-02-26     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  0050222     Medline TA:  J Cell Physiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  305-10     Citation Subset:  IM    
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MeSH Terms
Animals, Newborn / metabolism*
Chlorides / metabolism
Electron Probe Microanalysis
Magnesium / metabolism
Mice, Inbred BALB C / metabolism
Myocardium / metabolism*
Phosphorus / metabolism
Potassium / metabolism
Sodium / metabolism
Sulfur / metabolism
Reg. No./Substance:
0/Chlorides; 7439-95-4/Magnesium; 7440-09-7/Potassium; 7440-23-5/Sodium; 7704-34-9/Sulfur; 7723-14-0/Phosphorus

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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