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Identifier 000036736
Title Φασματοσκοπικός χαρακτηρισμός βιοδραστικών πολυμερών της Πολυβινυλοπυρρολιδόνης με σκέδαση ακτίνων Laser
Creator Αλιφραγκής, Ιωάννης
Thesis advisor Ρίζος, Απόστολος
Abstract The relationship between the macroscopic properties of polymers and their molecular structure, dynamics as well as supramolecular organization are complex. They involve enormous length- and timescales from the molecular, via mesoscopic to macroscopic dimensions and from picoseconds to years. These properties do not only depend on the chemical nature of the repeat units (monomers), but also on the way these monomers are linked together. In order to provide a comprehensive characterization of the dynamics of low molecular weight or polymeric materials one has to study not only local motional processes but the global ones, too. With Photon Correlation Spectroscopy (PCS), a broad time window from 10-7 to 105 sec can be probed. The polymer Polyvinyl pyrrolidone (PVP) has a long history of several applications and demonstrates a high degree of biocompatibility. In this study, three different polymeric derivatives of PVP were investigated (PVP derivates of Sorbic Acid, Amphiphilic derivates of PVP, Aminoacid derivates of PVP).
Language Greek
Subject PVP derivatives
Photon Correlation Spectroscopy (PCS)
Polyvinyl pyrrolidone (PVP)
Static/dynamic light scattering
Issue date 2003-01-01
Collection   School/Department--School of Sciences and Engineering--Department of Chemistry--Post-graduate theses
  Type of Work--Post-graduate theses
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