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Details of Grant 

EPSRC Reference: GR/K78225/01
Title: ELECTROASSISTED OPTICAL WAVEGUIDE SENSORS FOR METAL IONS
Principal Investigator: Schiffrin, Professor D
Other Investigators:
Wilkinson, Professor JS
Researcher Co-Investigators:
Project Partners:
BNFL North West Water
Department: Chemistry
Organisation: University of Liverpool
Scheme: Standard Research (Pre-FEC)
Starts: 01 December 1995 Ends: 30 November 1996 Value (£): 82,941
EPSRC Research Topic Classifications:
Optical Devices & Subsystems
EPSRC Industrial Sector Classifications:
Manufacturing Water
Related Grants:
Panel History:  
Summary on Grant Application Form
Sensing of metal ions of environmental concern will be investigated using electrochemically-controlled reactions on optical waveguides. The measurement of ion concentrations will be achieved by elecro-assisted ionic extraction in sensing films containing chromophoric ligands. Multiple sensors for referencing and for determination of multiple analytes will be integrated on a single chip and interrogated using electrochemical techniques. Planar waveguide technology is ideal for sensor integration but such multisensors combined with powerful electrochemical techniques have not yet been demonstrated. The aim of this research is to realise novel electrochemically reversible sensors which are specific to individual metal ions, several of which are integrated and readily addressed on a single ship, and which allow continuous monitoring of toxic hazards in waste and drinking waters.
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Organisation Website: http://www.liv.ac.uk