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@ARTICLE{Wolf:888252,
author = {Wolf, Nikolaus and Yuan, Xiaobo and Hassani, Hossein and
Milos, Frano and Mayer, Dirk and Breuer, Uwe and
Offenhäusser, Andreas and Wördenweber, Roger},
title = {{S}urface {F}unctionalization of {P}latinum {E}lectrodes
with {APTES} for {B}ioelectronic {A}pplications},
journal = {ACS applied bio materials},
volume = {3},
number = {10},
issn = {2576-6422},
address = {Washington, DC},
publisher = {ACS Publications},
reportid = {FZJ-2020-04799},
pages = {7113 - 7121},
year = {2020},
abstract = {The interface between electronic components and biological
objects plays a crucial role for the success of
bioelectronic devices. Since the electronics typically
include different elements such as an insulating substrate
in combination with conducting electrodes, an important
issue of bioelectronics involves tailoring and optimizing
the interface for any envisioned applications. In this
paper, we present a method for functionalizing insulating
substrates (SiO2) and metallic electrodes (Pt)
simultaneously with a stable monolayer of organic molecules
((3-aminopropyl)triethoxysilane (APTES)). This monolayer is
characterized by a high molecule density, long term
stability, and a positive surface net charge and most likely
represents a self-assembled monolayer (SAM). It facilitates
a conversion of bio-unfriendly Pt surfaces into
biocompatible surfaces which allows cell growth (neurons) on
both functionalized components, SiO2 and Pt, which is
comparable to that of reference samples coated with
poly-L-lysine (PLL). Moreover, the functionalization greatly
improves the electronic cell-chip coupling thereby enabling
the recording of action potential signals of several mV at
APTES-functionalized Pt electrodes.},
cin = {IBI-3},
ddc = {570},
cid = {I:(DE-Juel1)IBI-3-20200312},
pnm = {5244 - Information Processing in Neuronal Networks
(POF4-524)},
pid = {G:(DE-HGF)POF4-5244},
typ = {PUB:(DE-HGF)16},
pubmed = {35019371},
UT = {WOS:000619799800053},
doi = {10.1021/acsabm.0c00936},
url = {https://juser.fz-juelich.de/record/888252},
}