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Body elemental composition of the neonate: New reference data
Author(s) -
Ellis Kenneth J.,
Shypailo Roman J.,
Schanler Richard J.,
Langston Claire
Publication year - 1993
Publication title -
american journal of human biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.559
H-Index - 81
eISSN - 1520-6300
pISSN - 1042-0533
DOI - 10.1002/ajhb.1310050311
Subject(s) - body weight , gestational age , zoology , neutron activation analysis , birth weight , elemental analysis , composition (language) , fetus , medicine , chemistry , radiochemistry , pregnancy , biology , endocrinology , linguistics , philosophy , genetics , organic chemistry
The total body elemental content of seventeen neonates at postmortem was examined; deaths had occurred within 10 days of birth. Body weights ranged from 510 to 4,050 g at examination; gestational ages at birth ranged from 24 to 42 weeks. Nondestructive in situ procedures were used: 40 K counting and delayed‐gamma neutron activation analysis. The total body content of K, Ca, P, Na, and Cl was measured and compared with estimates for the reference fetus model. Body elemental contents were significantly correlated with body weight ( r = 0.92−0.98, P < 0.001). These data will be useful in determining postnatal nutritional needs. © 1993 Wiley‐Liss, Inc.