PULSE: A Fast Portable Unit for Lab-on-Site Electrochemistry

Area of Science:

• Electrochemistry
• Sensor Technology
• Portable Analytical Devices

Background:

• Current portable electrochemical sensors often face limitations in detection speed and accuracy.
• There is a growing need for reliable on-site analytical solutions across various scientific and industrial fields.
• Optimizing analogue front-end circuits and data analysis is crucial for enhancing sensor performance.

Purpose of the Study:

• To develop and validate a novel, fast-detection electrochemical sensing platform.
• To enhance portable electrochemical sensor solutions for on-site measurements.
• To improve measurement accuracy and detection speed of electrochemical devices.

Main Methods:

• Design and implementation of a Portable Unit for Lab-on-Site Electrochemistry (PULSE) system.
• Development of robust firmware for electrochemical measurements (OCP, CA, CV).
• Benchmarking the PULSE system against a standard benchtop potentiostat for validation.

Main Results:

• The PULSE system achieved rapid pH detection in 2 seconds and chronoamperometry in 20 seconds.
• pH calibration demonstrated Nernstian behavior with 97.58% accuracy.
• High correlation coefficients (>0.99) confirmed strong agreement between PULSE and the benchtop potentiostat.

Conclusions:

• The developed PULSE system provides a reliable and fast platform for on-site electrochemical measurements.
• The validated system meets the demand for enhanced portable electrochemical sensor solutions.
• This technology enables accurate and rapid analysis across diverse applications.