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Chemical Sensors

Ion-Specific Sensors for Metals in Solutions (275)

Problem: Develop reliable sensor system to measure metal ion concentrations in aqueous samples.

Graphic representing development of reliable sensor system to measure metal ion concentrations in aqueous samples

Project Activity Scope (from Technical Overview Chart): Mechanisms through Instruments.

PNNL Solution:

  • Requirements for analyte measurement in solutions
  • Preconcentration for improved analyte detection
  • Develop system components for small integrated unit
  • Integrate and demonstrate integrated system performance
  • Sensor for practical measurement of target analyte

Capabilities Employed to Meet Client Needs: Electrochemistry for sensing interactions and sensor chemistry development; material science (including self-assembling monolayers, ceramic materials, etc.); microfluidic device design and fabrication; integrated system design and fabrication; electronics design for instrument; algorithm and data analysis methods for data reduction; software development for instrument control, data acquisition, and analysis.

Selected Links to Related Information:

Preconcentration for Improved Detection (276) Integrated Microfluidics for Sensors (279) Compact Electrochemical Sensor Cells (280) Portable Electrochemical Sensor System (281) High-Performance Preconcentrator Materials (277) Preconcentration Material for Heavy Metals (278) Measurement of Metal Ions in Solution (282)

Contact: Yuehe Lin

Sensors & Electronics

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