Document Detail


Activable enriched stable isotope iron-58 for monitoring absorption rate of juvenile athletes for iron: a case study.
MedLine Citation:
PMID:  12362814     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Activable enriched stable isotopes can play a unique role in studies of nutritional status, metabolism, absorption rates, and bioavailability of minerals. As a practical example, eight juvenile athletes were selected to test the absorption rates of iron during training and non-training periods by enriched stable isotope of Fe-58 (enriched degree: 51.1%) via activation analysis Fe-58 (n, gamma) Fe-59 of the collected feces samples. The results indicated that the average iron absorption rates of the juvenile athletes with and without training are 9.1 +/- 2.8 and 11.9 +/- 4.7%, respectively, which implies that the long-term endurance training with high intensity makes the iron absorption rate of athletes lower. In the meantime, the comparison of the activable enriched isotope technique with atomic absorption spectrometry was performed, which showed that the former was better than the latter in reliability and sensitivity. It is because this nuclear method can distinguish the exogenous and endogenous iron in the samples, but not for non-nuclear methods.
Authors:
Qinfang Qian; Zhifang Chai; Weiyu Feng; Jidi Chen; Peiqun Zhang; Jianxiang Pan
Related Documents :
11276304 - Effect of physical training on sulfamethazine acetylation rate.
2344864 - Circulating met-enkephalin in trained athletes during rest, exhaustive treadmill exerci...
9468064 - Exercise-induced silent myocardial ischemia in master athletes.
10751134 - Breathlessness and exercise in spinal cord injury.
18078784 - The reliability of the 1rm strength test for untrained middle-aged individuals.
11281624 - Cutaneous vascular response and thermoregulation in individuals with paraplegia during ...
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Food and nutrition bulletin     Volume:  23     ISSN:  0379-5721     ISO Abbreviation:  Food Nutr Bull     Publication Date:  2002 Sep 
Date Detail:
Created Date:  2002-10-04     Completed Date:  2003-04-23     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7906418     Medline TA:  Food Nutr Bull     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  57-60     Citation Subset:  IM    
Affiliation:
Laboratory of Nuclear Analytical Techniques, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:
Adolescent
Biological Availability
Feces / chemistry*
Humans
Intestinal Absorption
Iron / pharmacokinetics*
Iron Isotopes / diagnostic use
Physical Endurance / physiology*
Sensitivity and Specificity
Spectrophotometry, Atomic / methods
Sports / physiology*
Chemical
Reg. No./Substance:
0/Iron Isotopes; 7439-89-6/Iron

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


Previous Document:  The future of 13C-breath tests.
Next Document:  Uptake rate measurement of some amino acids on normal and treated yeast cells to xenobiotics using 1...