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@ARTICLE{Varga:889084,
author = {Varga, Zoltán and Fehér, Bence and Kitka, Diána and
Wacha, András and Bóta, Attila and Berényi, Szilvia and
Pipich, Vitaliy and Fraikin, Jean-Luc},
title = {{S}ize {M}easurement of {E}xtracellular {V}esicles and
{S}ynthetic {L}iposomes: {T}he {I}mpact of the {H}ydration
{S}hell and the {P}rotein {C}orona},
journal = {Colloids and surfaces / B},
volume = {192},
issn = {0927-7765},
address = {[S.l.]},
publisher = {Science Direct},
reportid = {FZJ-2021-00020},
pages = {111053 -},
year = {2020},
abstract = {Size characterization of extracellular vesicles (EVs) and
drug delivery liposomes is of great importance in their
applications in diagnosis and therapy of diseases. There are
many different size characterization techniques used in the
field, which often report different size values. Besides
technological biases, these differences originate from the
fact that various methods measure different physical
quantities to determine particle size. In this study, the
size of synthetic liposomes with nominal diameters of 50nm
and 100nm, and red blood cell-derived EVs (REVs) were
measured with established optical methods, such as dynamic
light scattering (DLS) and nanoparticle tracking analysis
(NTA), and with emerging non-optical methods such as
microfluidic resistive pulse sensing (MRPS) and very
small-angle neutron scattering (VSANS). The comparison of
the hydrodynamic sizes obtained by DLS and NTA with the
sizes corresponding to the excluded volume of the particles
by MRPS enabled the estimation of the thickness of the
hydration shell of the particles. The comparison of diameter
values corresponding to the boundary of the phospholipid
bilayer obtained from VSANS measurements with MRPS size
values revealed the thickness of the polyethylene
glycol-layer in case of synthetic liposomes, and the
thickness of the protein corona in case of REVs.},
cin = {JCNS-1 / JCNS-4 / JCNS-FRM-II / MLZ},
ddc = {540},
cid = {I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)JCNS-4-20201012 /
I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3},
pnm = {6215 - Soft Matter, Health and Life Sciences (POF3-621) /
6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
/ 6G15 - FRM II / MLZ (POF3-6G15)},
pid = {G:(DE-HGF)POF3-6215 / G:(DE-HGF)POF3-6G4 /
G:(DE-HGF)POF3-6G15},
experiment = {EXP:(DE-MLZ)KWS3-20140101},
typ = {PUB:(DE-HGF)16},
pubmed = {32361376},
UT = {WOS:000542568000023},
doi = {10.1016/j.colsurfb.2020.111053},
url = {https://juser.fz-juelich.de/record/889084},
}