Journal article
PH independent nano-optode sensors based on exhaustive ion-selective nanospheres
Analytical Chemistry, Vol.86(6), pp.2853-5856
2014
Abstract
Bulk optode-based ion selective optical sensors work on the basis of extraction equilibria, and their response toward the analyte ion is known to dependent on the sample pH. This pH dependence has been one of the major disadvantages that have hampered the broad acceptance of bulk optodes in chemical sensing. We present here for the first time the use of exhaustive Ca2+-selective nanosensors that may overcome this pH dependent response. The nanosensors were characterized at different pH and the same linear calibration was obtained in the Ca2+ concentration range from 10-7 M to 10-5 M. © 2014 American Chemical Society.
Details
- Title
- PH independent nano-optode sensors based on exhaustive ion-selective nanospheres
- Authors
- X Xie (Author) - University of Geneva, SwitzerlandJ Zhai (Author) - University of Geneva, SwitzerlandEric Bakker (Author) - University of Geneva, Switzerland
- Publication details
- Analytical Chemistry, Vol.86(6), pp.2853-5856
- Publisher
- American Chemical Society
- Date published
- 2014
- DOI
- 10.1021/ac403996s
- ISSN
- 0003-2700
- Organisation Unit
- University of the Sunshine Coast, Queensland
- Language
- English
- Record Identifier
- 99448781902621
- Output Type
- Journal article
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- Web Of Science research areas
- Chemistry, Analytical