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| 001 | 904343 | ||
| 005 | 20230328130141.0 | ||
| 024 | 7 | _ | |a 10.1021/acsanm.1c01507 |2 doi |
| 024 | 7 | _ | |a WOS:000692034900073 |2 WOS |
| 037 | _ | _ | |a FZJ-2021-05913 |
| 082 | _ | _ | |a 540 |
| 100 | 1 | _ | |a Weiß, Lennart J. K. |0 0000-0002-6943-737X |b 0 |
| 245 | _ | _ | |a Engineering Electrostatic Repulsion of Metal Nanoparticles for Reduced Adsorption in Single-Impact Electrochemical Recordings |
| 260 | _ | _ | |a Washington, DC |c 2021 |b ACS Publications |
| 336 | 7 | _ | |a article |2 DRIVER |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1678979064_24058 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
| 336 | 7 | _ | |a JOURNAL_ARTICLE |2 ORCID |
| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a Stochastic impact electrochemistry is a promising concept to detect ultralow concentrations of nanoparticles in solution. However, statistically reliable sensor outputs require an appropriate number of observed nanoparticle collision events. Here, arrays of individually addressable electrodes allow increasing the effective detection area, and thereby the number of collision events, without sacrificing the signal-to-noise ratio. At the same time, however, these measurements typically increase the surface-to-volume ratio of the system, leading to a stronger influence of adsorption on the number of available particles. We address this issue of nanoparticle adsorption by controlling the electrode–electrolyte interface close to the detection electrodes. We use a direct nanoimpact experiment to demonstrate that a negatively charged surface leads to electrostatic repulsion, which results in a 2.5-fold increase in the number of detected collision events. Adding to this improved sensor performance, a tunable shield electrode offers a versatile tool to study nanoparticle adsorption at the solid–liquid interface. |
| 536 | _ | _ | |a 5241 - Molecular Information Processing in Cellular Systems (POF4-524) |0 G:(DE-HGF)POF4-5241 |c POF4-524 |f POF IV |x 0 |
| 588 | _ | _ | |a Dataset connected to CrossRef, Journals: juser.fz-juelich.de |
| 700 | 1 | _ | |a Music, Emir |0 0000-0002-1583-7597 |b 1 |
| 700 | 1 | _ | |a Rinklin, Philipp |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Straumann, Lea |0 0000-0003-4939-8526 |b 3 |
| 700 | 1 | _ | |a Grob, Leroy |0 0000-0002-2696-7725 |b 4 |
| 700 | 1 | _ | |a Mayer, Dirk |0 P:(DE-Juel1)128707 |b 5 |e Corresponding author |
| 700 | 1 | _ | |a Wolfrum, Bernhard |0 P:(DE-HGF)0 |b 6 |e Corresponding author |
| 773 | _ | _ | |a 10.1021/acsanm.1c01507 |g Vol. 4, no. 8, p. 8314 - 8320 |0 PERI:(DE-600)2916552-0 |n 8 |p 8314 - 8320 |t ACS applied nano materials |v 4 |y 2021 |x 2574-0970 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/904343/files/acsanm.1c01507.pdf |y Restricted |
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| 910 | 1 | _ | |a External Institute |0 I:(DE-HGF)0 |k Extern |b 0 |6 0000-0002-6943-737X |
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| 910 | 1 | _ | |a External Institute |0 I:(DE-HGF)0 |k Extern |b 3 |6 0000-0003-4939-8526 |
| 910 | 1 | _ | |a External Institute |0 I:(DE-HGF)0 |k Extern |b 4 |6 0000-0002-2696-7725 |
| 910 | 1 | _ | |a Forschungszentrum Jülich |0 I:(DE-588b)5008462-8 |k FZJ |b 5 |6 P:(DE-Juel1)128707 |
| 913 | 1 | _ | |a DE-HGF |b Key Technologies |l Natural, Artificial and Cognitive Information Processing |1 G:(DE-HGF)POF4-520 |0 G:(DE-HGF)POF4-524 |3 G:(DE-HGF)POF4 |2 G:(DE-HGF)POF4-500 |4 G:(DE-HGF)POF |v Molecular and Cellular Information Processing |9 G:(DE-HGF)POF4-5241 |x 0 |
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