Heparinizable materials, 5. Preparation and FTIR characterization of polyurethane surfaces grafted with heparin‐complexing poly(amido‐amine) chains
Identifieur interne : 001443 ( Main/Exploration ); précédent : 001442; suivant : 001444Heparinizable materials, 5. Preparation and FTIR characterization of polyurethane surfaces grafted with heparin‐complexing poly(amido‐amine) chains
Auteurs : Rolando Barbucci [Italie] ; Manuela Benvenuti [Italie] ; Giuliana Casini [Italie] ; Paolo Ferruti [Italie] ; Mila Nocentini [Italie]Source :
- Die Makromolekulare Chemie [ 0025-116X ] ; 1985-11.
English descriptors
- Teeft :
- Barbucci, Basic nitrogens, Biological tests, Casini, Commercial product, Difference spectra, Difference spectrum, Diisocyanate, Dmso solution, Ferruti, Ftir, Ftir spectra, Ftir spectroscopy, Ftir spectrum, Grafted, Grafted surfaces, Heparin, Heparinizable, Heparinizable materials, Hexamethylene diisocyanate, Isocyanato groups, N2ll, N2ll units, Naoh solution, Polymer, Polyurethane, Polyurethane films, Polyurethane surfaces, Reaction time, Relative intensities, Room temp, Same region, Slow evaporation, Strongest bands.
Abstract
The chains of poly(amido‐amine) (1) were grafted on the surface of two different polyurethanes (2 and 3), one of which being a commercial product. All the chemical steps of the grafting reaction were monitored by chemical analysis and FTIR spectroscopy. The poly(amido‐amine) was found to be able to form a complex with heparin by electrostatic interaction. The heparin can be totally removed by using a 0,1 M NaOH solution. The heparin adsorbing capacity of the two resulting materials was biologically tested. A constant heparin/poly(amido‐amine) ratio, observed for both polyurethane samples, leads to the assumption that the complex formation reaction proceeds via a defined stoichiometry.
Url:
DOI: 10.1002/macp.1985.021861110
Affiliations:
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Chem.</title><idno type="ISSN">0025-116X</idno><idno type="eISSN">0025-116X</idno><imprint><publisher>Hüthig & Wepf Verlag</publisher><pubPlace>Basel</pubPlace><date type="published" when="1985-11">1985-11</date><biblScope unit="volume">186</biblScope><biblScope unit="issue">11</biblScope><biblScope unit="page" from="2291">2291</biblScope><biblScope unit="page" to="2300">2300</biblScope></imprint><idno type="ISSN">0025-116X</idno></series><idno type="istex">EC76409425E0F0FE18B504A09AF165EA1FB78C8F</idno><idno type="DOI">10.1002/macp.1985.021861110</idno><idno type="ArticleID">MACP021861110</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0025-116X</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="Teeft" xml:lang="en"><term>Barbucci</term><term>Basic nitrogens</term><term>Biological tests</term><term>Casini</term><term>Commercial product</term><term>Difference spectra</term><term>Difference spectrum</term><term>Diisocyanate</term><term>Dmso solution</term><term>Ferruti</term><term>Ftir</term><term>Ftir spectra</term><term>Ftir spectroscopy</term><term>Ftir spectrum</term><term>Grafted</term><term>Grafted surfaces</term><term>Heparin</term><term>Heparinizable</term><term>Heparinizable materials</term><term>Hexamethylene diisocyanate</term><term>Isocyanato groups</term><term>N2ll</term><term>N2ll units</term><term>Naoh solution</term><term>Polymer</term><term>Polyurethane</term><term>Polyurethane films</term><term>Polyurethane surfaces</term><term>Reaction time</term><term>Relative intensities</term><term>Room temp</term><term>Same region</term><term>Slow evaporation</term><term>Strongest bands</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">The chains of poly(amido‐amine) (1) were grafted on the surface of two different polyurethanes (2 and 3), one of which being a commercial product. All the chemical steps of the grafting reaction were monitored by chemical analysis and FTIR spectroscopy. The poly(amido‐amine) was found to be able to form a complex with heparin by electrostatic interaction. The heparin can be totally removed by using a 0,1 M NaOH solution. The heparin adsorbing capacity of the two resulting materials was biologically tested. A constant heparin/poly(amido‐amine) ratio, observed for both polyurethane samples, leads to the assumption that the complex formation reaction proceeds via a defined stoichiometry.</div></front></TEI><affiliations><list><country><li>Italie</li></country></list><tree><country name="Italie"><noRegion><name sortKey="Barbucci, Rolando" sort="Barbucci, Rolando" uniqKey="Barbucci R" first="Rolando" last="Barbucci">Rolando Barbucci</name></noRegion><name sortKey="Barbucci, Rolando" sort="Barbucci, Rolando" uniqKey="Barbucci R" first="Rolando" last="Barbucci">Rolando Barbucci</name><name sortKey="Barbucci, Rolando" sort="Barbucci, Rolando" uniqKey="Barbucci R" first="Rolando" last="Barbucci">Rolando Barbucci</name><name sortKey="Benvenuti, Manuela" sort="Benvenuti, Manuela" uniqKey="Benvenuti M" first="Manuela" last="Benvenuti">Manuela Benvenuti</name><name sortKey="Casini, Giuliana" sort="Casini, Giuliana" uniqKey="Casini G" first="Giuliana" last="Casini">Giuliana Casini</name><name sortKey="Ferruti, Paolo" sort="Ferruti, Paolo" uniqKey="Ferruti P" first="Paolo" last="Ferruti">Paolo Ferruti</name><name sortKey="Nocentini, Mila" sort="Nocentini, Mila" uniqKey="Nocentini M" first="Mila" last="Nocentini">Mila Nocentini</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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