Técnicas de caracterização para investigar interações no nível molecular em filmes de Langmuir e Langmuir-Blodgett (LB)

Técnicas de caracterização para investigar interações no nível molecular em filmes de Langmuir e Langmuir-Blodgett (LB)

This paper discusses fundamental concepts for the characterization of Langmuir monolayers and Langmuir-Blodgett (LB) films, with emphasis on investigations of material properties at the molecular level. By way of illustration, results for phospholipid monolayers interacting with the drug dipyridamole are highlighted. These results were obtained with several techniques, including in situ grazing incidence X-ray diffraction, Fourier transform infrared (FTIR) spectroscopy, fluorescence microscopy, in addition to surface pressure and surface potential isotherms. Also mentioned are the difficulties in producing Langmuir and LB films from macromolecules, and how molecular-level interactions in mixed polymer LB films can be exploited in sensors.

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Main Authors: Ferreira,Marystela, Caetano,Wilker, Itri,Rosangela, Tabak,Marcel, Oliveira Jr.,Osvaldo N.
Format: Digital revista
Language:Portuguese
Published: Sociedade Brasileira de Química 2005
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422005000300024
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spelling oai:scielo:S0100-404220050003000242005-06-14Técnicas de caracterização para investigar interações no nível molecular em filmes de Langmuir e Langmuir-Blodgett (LB)Ferreira,MarystelaCaetano,WilkerItri,RosangelaTabak,MarcelOliveira Jr.,Osvaldo N. Langmuir and Langmuir-Blodgett (LB) films characterization interface/air This paper discusses fundamental concepts for the characterization of Langmuir monolayers and Langmuir-Blodgett (LB) films, with emphasis on investigations of material properties at the molecular level. By way of illustration, results for phospholipid monolayers interacting with the drug dipyridamole are highlighted. These results were obtained with several techniques, including in situ grazing incidence X-ray diffraction, Fourier transform infrared (FTIR) spectroscopy, fluorescence microscopy, in addition to surface pressure and surface potential isotherms. Also mentioned are the difficulties in producing Langmuir and LB films from macromolecules, and how molecular-level interactions in mixed polymer LB films can be exploited in sensors.info:eu-repo/semantics/openAccessSociedade Brasileira de QuímicaQuímica Nova v.28 n.3 20052005-06-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422005000300024pt10.1590/S0100-40422005000300024
institution SCIELO
collection OJS
country Brasil
countrycode BR
component Revista
access En linea
databasecode rev-scielo-br
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region America del Sur
libraryname SciELO
language Portuguese
format Digital
author Ferreira,Marystela
Caetano,Wilker
Itri,Rosangela
Tabak,Marcel
Oliveira Jr.,Osvaldo N.
spellingShingle Ferreira,Marystela
Caetano,Wilker
Itri,Rosangela
Tabak,Marcel
Oliveira Jr.,Osvaldo N.
Técnicas de caracterização para investigar interações no nível molecular em filmes de Langmuir e Langmuir-Blodgett (LB)
author_facet Ferreira,Marystela
Caetano,Wilker
Itri,Rosangela
Tabak,Marcel
Oliveira Jr.,Osvaldo N.
author_sort Ferreira,Marystela
title Técnicas de caracterização para investigar interações no nível molecular em filmes de Langmuir e Langmuir-Blodgett (LB)
title_short Técnicas de caracterização para investigar interações no nível molecular em filmes de Langmuir e Langmuir-Blodgett (LB)
title_full Técnicas de caracterização para investigar interações no nível molecular em filmes de Langmuir e Langmuir-Blodgett (LB)
title_fullStr Técnicas de caracterização para investigar interações no nível molecular em filmes de Langmuir e Langmuir-Blodgett (LB)
title_full_unstemmed Técnicas de caracterização para investigar interações no nível molecular em filmes de Langmuir e Langmuir-Blodgett (LB)
title_sort técnicas de caracterização para investigar interações no nível molecular em filmes de langmuir e langmuir-blodgett (lb)
description This paper discusses fundamental concepts for the characterization of Langmuir monolayers and Langmuir-Blodgett (LB) films, with emphasis on investigations of material properties at the molecular level. By way of illustration, results for phospholipid monolayers interacting with the drug dipyridamole are highlighted. These results were obtained with several techniques, including in situ grazing incidence X-ray diffraction, Fourier transform infrared (FTIR) spectroscopy, fluorescence microscopy, in addition to surface pressure and surface potential isotherms. Also mentioned are the difficulties in producing Langmuir and LB films from macromolecules, and how molecular-level interactions in mixed polymer LB films can be exploited in sensors.
publisher Sociedade Brasileira de Química
publishDate 2005
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422005000300024
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