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New Amphiphiles Functionalized with Oligo and Olysaccharides (Paperback)
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New Amphiphiles Functionalized with Oligo and Olysaccharides (Paperback)
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This book reports the preparation and characterization of new
rod-coil amphiphiles functionalized with oligo- and polysaccharides
through Huisgen 1,3-dipolar cycloaddition reactions between species
functionalized by an azide group on one side and an terminal alkyne
on the other catalyzed by copper. The amphiphiles were synthesized
and characterized based on different hydrophobic parts conjugated
with the polymer poly(ethylene oxide) PEO with a hydrophilic spacer
arm and the oligo- and polyssaccharides 2-propargyl-2-acetamido-
2-deoxy- -D-glucopyranose (GlcNAc) and propargyl
-D-galactopyranosyl-(1-4)- -D-glucopyranose (Lac). The amphiphiles
synthesized were characterized in terms of their chemical structure
and composition through nuclear magnetic resonance (NMR), mass
spectroscopy (MALDI-TOF-MS and ESI-MS)and high resolution mass
spectroscopy (HRMS). After the dissolution in water, the
amphiphiles self-associate in highly regular micelles with an
average diameter of 2RH 10nm. Dynamic light scattering (DLS),
transmission electron microscopy (TEM) and small angle x-ray
scattering (SAXS) were used in order to investigate the structure
and dynamics of these saccharide amphiphiles."
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