Molecular Transport in Polyelectrolyte Multilayers

Layer-by-layer assembly of polyelectrolytes is a simple technique based on the self-assembly of polycations and polyanions mainly by electrostatic interactions, which has gained considerable scientific interest for its versatility of applications. Ease of fabrication process, inexpensive approach an...

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Main Author: Pahal, Suman
Other Authors: Varma, Manoj
Language:en_US
Published: 2018
Subjects:
Online Access:http://etd.iisc.ernet.in/2005/3758
http://etd.iisc.ernet.in/abstracts/4629/G28455-Abs.pdf
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spelling ndltd-IISc-oai-etd.iisc.ernet.in-2005-37582018-06-27T03:45:42ZMolecular Transport in Polyelectrolyte MultilayersPahal, SumanPolyelectrolyte Multi-Layers FilmsPolyelectrolyte Multilayer Thin FilmsPolyelectrolyte Multilayer Films (PEMs)Low Ionic StrengthMolecular WeightThin Polymer FilmsPolyelectrolyte MultilayersUltrathin Polymer FilmsNano ScienceLayer-by-layer assembly of polyelectrolytes is a simple technique based on the self-assembly of polycations and polyanions mainly by electrostatic interactions, which has gained considerable scientific interest for its versatility of applications. Ease of fabrication process, inexpensive approach and use to coat surfaces with various geometries prompts the researchers to select this technique not only for the surface modification applications but also to study the processes which exploit the 3D matrix properties of polyelectrolyte multilayer films (PEMs). Recent advances have been made where PEMs coatings have been utilized for their bio-applications like drug delivery and in tissue engineering for modifying the biomaterial's surfaces. In the field of drug delivery and tissue engineering the location and availability of the constituent molecules is very important, which is defined by their ability to diffuse through the encapsulating material or reservoir. So the main objective of this thesis is to understand the transport of molecules in ultrathin Polyelectrolyte Multilayer Films in lateral as well as transverse direction to the substrate. To study this transport behaviour in PEMs, we have employed various strategies which can enhance or suppress the diffusivity across PEMs. Thus, understanding the diffusion at nanoscale resolution will lead us to design better host materials for loading of drugs and growth factors for various biomedical applications.Varma, ManojRaichur, Ashok M2018-06-26T10:41:37Z2018-06-26T10:41:37Z2018-06-262016Thesishttp://etd.iisc.ernet.in/2005/3758http://etd.iisc.ernet.in/abstracts/4629/G28455-Abs.pdfen_USG28455
collection NDLTD
language en_US
sources NDLTD
topic Polyelectrolyte Multi-Layers Films
Polyelectrolyte Multilayer Thin Films
Polyelectrolyte Multilayer Films (PEMs)
Low Ionic Strength
Molecular Weight
Thin Polymer Films
Polyelectrolyte Multilayers
Ultrathin Polymer Films
Nano Science
spellingShingle Polyelectrolyte Multi-Layers Films
Polyelectrolyte Multilayer Thin Films
Polyelectrolyte Multilayer Films (PEMs)
Low Ionic Strength
Molecular Weight
Thin Polymer Films
Polyelectrolyte Multilayers
Ultrathin Polymer Films
Nano Science
Pahal, Suman
Molecular Transport in Polyelectrolyte Multilayers
description Layer-by-layer assembly of polyelectrolytes is a simple technique based on the self-assembly of polycations and polyanions mainly by electrostatic interactions, which has gained considerable scientific interest for its versatility of applications. Ease of fabrication process, inexpensive approach and use to coat surfaces with various geometries prompts the researchers to select this technique not only for the surface modification applications but also to study the processes which exploit the 3D matrix properties of polyelectrolyte multilayer films (PEMs). Recent advances have been made where PEMs coatings have been utilized for their bio-applications like drug delivery and in tissue engineering for modifying the biomaterial's surfaces. In the field of drug delivery and tissue engineering the location and availability of the constituent molecules is very important, which is defined by their ability to diffuse through the encapsulating material or reservoir. So the main objective of this thesis is to understand the transport of molecules in ultrathin Polyelectrolyte Multilayer Films in lateral as well as transverse direction to the substrate. To study this transport behaviour in PEMs, we have employed various strategies which can enhance or suppress the diffusivity across PEMs. Thus, understanding the diffusion at nanoscale resolution will lead us to design better host materials for loading of drugs and growth factors for various biomedical applications.
author2 Varma, Manoj
author_facet Varma, Manoj
Pahal, Suman
author Pahal, Suman
author_sort Pahal, Suman
title Molecular Transport in Polyelectrolyte Multilayers
title_short Molecular Transport in Polyelectrolyte Multilayers
title_full Molecular Transport in Polyelectrolyte Multilayers
title_fullStr Molecular Transport in Polyelectrolyte Multilayers
title_full_unstemmed Molecular Transport in Polyelectrolyte Multilayers
title_sort molecular transport in polyelectrolyte multilayers
publishDate 2018
url http://etd.iisc.ernet.in/2005/3758
http://etd.iisc.ernet.in/abstracts/4629/G28455-Abs.pdf
work_keys_str_mv AT pahalsuman moleculartransportinpolyelectrolytemultilayers
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