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@ARTICLE{Segal:329294,
author = {Segal, Merav and Avinery, Ram and Buzhor, Marina and
Shaharabani, Rona and Harnoy, Assaf J. and Tirosh, Einat and
Beck, Roy and Amir, Roey J.},
title = {{M}olecular {P}recision and {E}nzymatic {D}egradation:
{F}rom {R}eadily to {U}ndegradable {P}olymeric {M}icelles by
{M}inor {S}tructural {C}hanges},
journal = {Journal of the American Chemical Society},
volume = {139},
number = {2},
issn = {1520-5126},
address = {Washington, DC},
publisher = {American Chemical Society},
reportid = {PUBDB-2017-05909},
pages = {803 - 810},
year = {2017},
abstract = {Studying the enzymatic degradation of synthetic polymers is
crucial for the design of suitable materials for biomedical
applications ranging from advanced drug delivery systems to
tissue engineering. One of the key parameters that governs
enzymatic activity is the limited accessibility of the
enzyme to its substrates that may be collapsed inside
hydrophobic domains. PEG-dendron amphiphiles can serve as
powerful tools for the study of enzymatic hydrolysis of
polymeric amphiphiles due to the monodispersity and symmetry
of the hydrophobic dendritic block, which significantly
simplifies kinetic analyses. Using these hybrids, we
demonstrate how precise, minor changes in the hydrophobic
block are manifested into tremendous changes in the
stability of the assembled micelles toward enzymatic
degradation. The obtained results emphasize the extreme
sensitivity of self-assembly and its great importance in
regulating the accessibility of enzymes to their substrates.
Furthermore, the demonstration that the structural
differences between readily degradable and undegradable
micelles are rather minor, points to the critical roles that
self-assembly and polydispersity play in designing
biodegradable materials.},
cin = {EMBL / EMBL-User},
ddc = {540},
cid = {I:(DE-H253)EMBL-20120731 / I:(DE-H253)EMBL-User-20120814},
pnm = {BIOSTRUCT-X - Transnational access and enhancement of
integrated Biological Structure determination at synchrotron
X-ray radiation facilities (283570) / 6G3 - PETRA III
(POF3-622)},
pid = {G:(EU-Grant)283570 / G:(DE-HGF)POF3-6G3},
experiment = {EXP:(DE-H253)P-P12-20150101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000392459300039},
pubmed = {pmid:27990807},
doi = {10.1021/jacs.6b10624},
url = {https://bib-pubdb1.desy.de/record/329294},
}