| Influence of Polyelectrolyte Film Stiffness on Bacterial Growth. | |
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MedLine Citation:
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PMID: 23289403 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Photo-crosslinkable polyelectrolyte films whose nanomechanical properties can be varied under UV light illumination, were prepared from poly(L-lysine) (PLL) and a hyaluronan derivative modified with photoreactive vinylbenzyl groups (HAVB). The adhesion and the growth of two model bacteria, namely Escherichia coli and Lactococcus lactis, were studied on non-crosslinked and crosslinked films to investigate how the film stiffness influences the bacterial behavior. While the Gram positive L. lactis was shown to grow slowly on both films, independently of their rigidity, the Gram negative E. coli exhibited a more rapid growth on non-crosslinked softer films compared to the stiffer ones. Experiments performed on photo-patterned films showing both soft and stiff regions, confirmed a faster development of E. coli colonies on softer regions. Interestingly, this behavior is opposite to the one reported before for mammalian cells. Therefore, the photo-crosslinked (PLL/HAVB) films are interesting coatings for tissue engineering since they promote the growth of mammalian cells while limiting the bacterial colonization. |
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Authors:
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Naresh Saha; Claire Monge; Virginie Dulong; Catherine Picart; Karine Glinel |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-1-6 |
Journal Detail:
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Title: Biomacromolecules Volume: - ISSN: 1526-4602 ISO Abbreviation: Biomacromolecules Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2013-1-7 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100892849 Medline TA: Biomacromolecules Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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