| Realization and efficiency evaluation of a micro-photocatalytic cell prototype for real-time blood oxygenation. | |
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MedLine Citation:
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PMID: 21055994 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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A novel, miniaturized, high-efficiency photocatalytic cell, able to work in dynamic conditions, has been designed and validated in this study. Microfluidic channels were molded out of polydimethylsiloxane (PDMS) by means of standard soft lithography techniques, so as to work as photocatalytic cells, where the coupling of anatase titanium dioxide thin films and platinum electrodes, allows an electrically assisted photocatalytic reaction to produce dissolved oxygen gas from the water content of flowing fluid (e.g. blood). The thin films were deposited onto quartz glass substrates at room temperature (300K) using reactive radio-frequency sputtering with a titanium metal target. The photocatalytic activity was evaluated through reduction rate of methylene blue solution. The results of the current study, as a proof of concept, have shown that the device can generate oxygen at a rate of 4.06μMO(2)/(cm(2)min), thus extending its possible application range to the full oxygenation of flowing venous blood. |
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Authors:
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Marco Rasponi; Tania Ullah; Richard J Gilbert; Gianfranco B Fiore; Todd A Thorsen |
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Publication Detail:
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Type: Journal Article Date: 2010-11-04 |
Journal Detail:
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Title: Medical engineering & physics Volume: 33 ISSN: 1873-4030 ISO Abbreviation: Med Eng Phys Publication Date: 2011 Sep |
Date Detail:
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Created Date: 2011-08-08 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9422753 Medline TA: Med Eng Phys Country: England |
Other Details:
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Languages: eng Pagination: 887-92 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 IPEM. Published by Elsevier Ltd. All rights reserved. |
Affiliation:
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Dipartimento di Bioingegneria, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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