Journal article
Platinized carbon nanoelectrodes as potentiometric and amperometric SECM probes
Journal of solid state electrochemistry, v 17(12), pp 2971-2977
01 Dec 2013
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Micrometer-sized platinized carbon electrodes have previously been used for the detection of reactive oxygen and nitrogen species (ROS and RNS) in biological systems. Here, we report the preparation and characterization of quartz-sealed platinized carbon nanoelectrodes. Such electrodes can be employed as tips in the scanning electrochemical microscope (SECM). The prepared electrodes were characterized by steady-state voltammetry, scanning electron microscopy, and SECM. In addition to ROS/RNS detection, the high surface area of a platinized nanoelectrode makes it a useful potentiometric probe. Unlike previously fabricated platinized electrodes, carbon electrodes possess a very thin insulating sheath, which is essential for experiments inside biological cells and high-resolution SECM imaging.
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Details
- Title
- Platinized carbon nanoelectrodes as potentiometric and amperometric SECM probes
- Creators
- Keke Hu - Beijing Institute of TechnologyYang Gao - Drexel UniversityYixian Wang - City University of New YorkYun Yu - City University of New YorkXin Zhao - City University of New YorkSusan A. Rotenberg - City University of New YorkEbru Gokmese - City University of New YorkMichael V. Mirkin - City University of New YorkGary Friedman - Drexel UniversityYury Gogotsi - Drexel University
- Publication Details
- Journal of solid state electrochemistry, v 17(12), pp 2971-2977
- Publisher
- Springer Nature
- Number of pages
- 7
- Grant note
- CHE-1026582 / National Science Foundation; National Science Foundation (NSF) Drexel University Donors of the Petroleum Research Fund; American Chemical Society 1026582 / Direct For Mathematical & Physical Scien; National Science Foundation (NSF); NSF - Directorate for Mathematical & Physical Sciences (MPS)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Electrical and Computer Engineering; Materials Science and Engineering
- Web of Science ID
- WOS:000327077000002
- Scopus ID
- 2-s2.0-84891889613
- Other Identifier
- 991019167613404721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Electrochemistry