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@ARTICLE{Jaksch:824078,
author = {Jaksch, Sebastian and Schulz, Anita and Di, Zhenyu and
Luxenhofer, Robert and Jordan, Rainer and Papadakis,
Christine M.},
title = {{A}mphiphilic {T}riblock {C}opolymers from
{P}oly(2-oxazoline) with {D}ifferent {H}ydrophobic {B}locks:
{C}hanges of the {M}icellar {S}tructures upon {A}ddition of
a {S}trongly {H}ydrophobic {C}ancer {D}rug},
journal = {Macromolecular chemistry and physics},
volume = {217},
number = {13},
issn = {1022-1352},
address = {Weinheim},
publisher = {Wiley-VCH},
reportid = {FZJ-2016-06702},
pages = {1448 - 1456},
year = {2016},
abstract = {AbstractimageAmphiphilic triblock copolymers with
poly(2-methyl-2-oxazoline) (MeOx) end blocks and a
poly(2-n-butyl-2-oxazoline) (nBuOx) middle block have been
found to solubilize large amounts of the cancer drug
paclitaxel (PTX) whereas this is not the case when the
middle block is more hydrophobic, such as
poly(2-n-nonyl-2-oxazoline) (NOx) (Schulz et al., ACS
Nano2014, 8, 2686). To further elucidate the origin of this
behavior, dilute aqueous solutions (5–10 mg mL−1) of
these two copolymers have been investigated by small-angle
neutron scattering (SANS), both in the absence and presence
of PTX. Whereas PMeOx-b-PNOx-b-PMeOx forms mainly worm-like
micelles coexisting with large aggregates, spherical
micelles are predominant in PMeOx-b-PnBuOx-b-PMeOx. Already
small PTX concentrations lead to shape changes in
PMeOx-b-PNOx-b-PMeOx toward spherical micelles. In contrast,
changes in the aggregation behavior of
PMeOx-b-PnBuOx-b-PMeOx are only observed at higher PTX
concentrations with a transformation into raspberry-like
particles, which may explain the high PTX loading capacity
of PMeOx-b-PnBuOx-b-PMeOx micelles.},
cin = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
(München) ; JCNS-FRM-II / Neutronenstreuung ; JCNS-1},
ddc = {540},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-1-20110106},
pnm = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
Neutron Research (JCNS) (POF3-623)},
pid = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
experiment = {EXP:(DE-MLZ)KWS1-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000380017700003},
doi = {10.1002/macp.201500465},
url = {https://juser.fz-juelich.de/record/824078},
}