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@ARTICLE{Rondelli:867731,
author = {Rondelli and Cola and Koutsioumpas, Alexandros and Alongi
and Ferruti and Ranucci and Brocca},
title = {{M}ucin {T}hin {L}ayers: {A} {M}odel for {M}ucus-{C}overed
{T}issues},
journal = {International journal of molecular sciences},
volume = {20},
number = {15},
issn = {1422-0067},
address = {Basel},
publisher = {Molecular Diversity Preservation International},
reportid = {FZJ-2019-06346},
pages = {3712 -},
year = {2019},
abstract = {The fate of macromolecules of biological or pharmacological
interest that enter the mucus barrier is a current field of
investigation. Studies of the interaction between the main
constituent of mucus, mucins, and molecules involved in
topical transmucoidal drug or gene delivery is a
prerequisite for nanomedicine design. We studied the
interaction of mucin with the bio-inspired arginine-derived
amphoteric polymer d,l-ARGO7 by applying complementary
techniques. Small angle X-ray scattering in bulk unveiled
the formation of hundreds of nanometer-sized clusters, phase
separated from the mucin mesh. Quartz microbalance with
dissipation and neutron reflectometry measurements on thin
mucin layers deposited on silica supports highlighted the
occurrence of polymer interaction with mucin on the
molecular scale. Rinsing procedures on both experimental set
ups showed that interaction induces alteration of the
deposited hydrogel. We succeeded in building up a new
significant model for epithelial tissues covered by mucus,
obtaining the deposition of a mucin layer 20 Å thick on the
top of a glycolipid enriched phospholipid single membrane,
suitable to be investigated by neutron reflectometry. The
model is applicable to unveil the cross structural details
of mucus-covered epithelia in interaction with
macromolecules within the Å discreteness.},
cin = {JCNS-FRM-II / JCNS-1 / MLZ},
ddc = {540},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-1-20110106 / I:(DE-588b)4597118-3},
pnm = {6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
/ 6G15 - FRM II / MLZ (POF3-6G15)},
pid = {G:(DE-HGF)POF3-6G4 / G:(DE-HGF)POF3-6G15},
experiment = {EXP:(DE-MLZ)MARIA-20140101},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:31362433},
UT = {WOS:000482383000105},
doi = {10.3390/ijms20153712},
url = {https://juser.fz-juelich.de/record/867731},
}