Document Detail


Influence of pH and oxygen on copper corrosion in simulated uterine fluid.
MedLine Citation:
PMID:  11771686     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This paper studies the copper corrosion in simulated uterine fluids in the presence of urea and/or albumin, at pH 5.0, 6.3 and 8.0, with 0.10, 0.15 and 0.20 atmospheres of oxygen pressure and without additional oxygen pressure, at 37 degrees C temperature, and for 1, 3, 7, 15, 21 and 30 days experimentation. The copper dissolution rate was determined using absorbance measurements. Copper dissolution was the highest at pH 8.0 and 0.20 atmospheres of oxygen pressure, 674 microg d(-1) for 1 day and 109 microg d(-1) for 30 days. The presence of albumin, contrary to urea, accelerates copper corrosion.
Authors:
N Mora; E Cano; E M Mora; J M Bastidas
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Biomaterials     Volume:  23     ISSN:  0142-9612     ISO Abbreviation:  Biomaterials     Publication Date:  2002 Feb 
Date Detail:
Created Date:  2001-12-28     Completed Date:  2002-07-02     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8100316     Medline TA:  Biomaterials     Country:  England    
Other Details:
Languages:  eng     Pagination:  667-71     Citation Subset:  IM    
Affiliation:
Centro Nacional de Investigaciones Metalúrgicas (CSIC), Madrid, Spain.
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MeSH Terms
Descriptor/Qualifier:
Body Fluids / chemistry*
Copper / chemistry*
Corrosion
Female
Humans
Hydrogen-Ion Concentration*
Intrauterine Devices, Copper
Kinetics
Models, Biological
Oxygen*
Serum Albumin
Spectrophotometry
Temperature
Time Factors
Urea
Uterus / secretion*
Chemical
Reg. No./Substance:
0/Serum Albumin; 57-13-6/Urea; 7440-50-8/Copper; 7782-44-7/Oxygen

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


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