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Bilirubin adsorption property of sol–gel-derived titania particles for blood purification therapy

Paper ID Volume ID Publish Year Pages File Format Full-Text
2119 100 2008 6 PDF Available
Title
Bilirubin adsorption property of sol–gel-derived titania particles for blood purification therapy
Abstract

Titania (anatase) gel powders were prepared by peptizing commercially available titania sols and heating them at temperatures up to 700 °C, as candidates for bilirubin adsorbents for blood purification therapy. Those titania particles were in contact with a protein solution containing bilirubin and bovine serum albumin that mimics the blood of bilirubinemia patients. The amount of free or direct bilirubin in the solution insignificant. Indirect bilirubin or a bilirubin complex with albumin was adsorbed on the anatase powders, the primary particle size of which was as large as or larger than the size of an albumin molecule. The surface charge and surface charge density were only minor factors in controlling the indirect bilirubin adsorption. The present results indicated that the size of primary particles and hydrophobicity were significant for the sol-derived anatase in terms of bilirubin adsorption, and both were controllable by the heating temperature and the time period.

Keywords
Titania; Bilirubin; Adsorption; Crystallite size; Sol–gel
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Bilirubin adsorption property of sol–gel-derived titania particles for blood purification therapy
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Publisher
Database: Elsevier - ScienceDirect
Journal: Acta Biomaterialia - Volume 4, Issue 4, July 2008, Pages 1067–1072
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us