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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1021/la2005612
|2 doi
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|a pubmed25n0692.xml
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|e rakwb
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|a eng
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1 |
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|a Actis, Paolo
|e verfasserin
|4 aut
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| 245 |
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|a Voltage-controlled metal binding on polyelectrolyte-functionalized nanopores
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|c 2011
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 30.08.2011
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|a Date Revised 20.10.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Most of the research in the field of nanopore-based platforms is focused on monitoring ion currents and forces as individual molecules translocate through the nanopore. Molecular gating, however, can occur when target analytes interact with receptors appended to the nanopore surface. Here we show that a solid state nanopore functionalized with polyelectrolytes can reversibly bind metal ions, resulting in a reversible, real-time signal that is concentration dependent. Functionalization of the sensor is based on electrostatic interactions, requires no covalent bond formation, and can be monitored in real time. Furthermore, we demonstrate how the applied voltage can be employed to tune the binding properties of the sensor. The sensor has wide-ranging applications and, its simplest incarnation can be used to study binding thermodynamics using purely electrical measurements with no need for labeling
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|a Journal Article
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|a Research Support, N.I.H., Extramural
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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7 |
|a Electrolytes
|2 NLM
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| 650 |
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7 |
|a Metals
|2 NLM
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| 650 |
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|a Polymers
|2 NLM
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| 650 |
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|a Chitosan
|2 NLM
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| 650 |
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|a 9012-76-4
|2 NLM
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| 700 |
1 |
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|a Vilozny, Boaz
|e verfasserin
|4 aut
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1 |
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|a Seger, R Adam
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Xiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jejelowo, Olufisayo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rinaudo, Marguerite
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pourmand, Nader
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 27(2011), 10 vom: 17. Mai, Seite 6528-33
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:27
|g year:2011
|g number:10
|g day:17
|g month:05
|g pages:6528-33
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|u http://dx.doi.org/10.1021/la2005612
|3 Volltext
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