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Dry Film Photoresist-based Electrochemical Microfluidic Biosensor Platform: Device Fabrication, On-chip Assay Preparation, and System Operation

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Complementary Split-Ring Resonator-Loaded Microfluidic Ethanol Chemical Sensor.

Ahmed Salim¹, Sungjoon Lim²

¹School of Electrical and Electronics Engineering, College of Engineering, Chung-Ang University, 221 Heukseok-Dong, Dongjak-Gu, Seoul 156-756, Korea. ahmedsalim789@gmail.com.

Sensors (Basel, Switzerland)

|November 2, 2016

Summary

This summary is machine-generated.

This study introduces a novel microfluidic sensor using a complementary split-ring resonator (CSRR)-loaded patch to detect ethanol concentration. The sensor demonstrates reliable performance and potential for miniaturized, low-cost chemical sensing applications.

Keywords:

complementary split ring resonator (CSRR)ethanol sensor microfluidic channel patch

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Area of Science:

Electrical Engineering
Materials Science
Chemical Sensing

Background:

Microfluidic sensors are crucial for precise chemical analysis.
Complementary Split-Ring Resonators (CSRRs) offer unique electromagnetic properties for sensor design.

Purpose of the Study:

To propose and validate a microfluidic ethanol chemical sensor based on a CSRR-loaded patch.
To investigate the sensor's response to varying ethanol concentrations.

Main Methods:

Fabrication of a CSRR-loaded patch on a Rogers RT/Duroid 5870 substrate.
Integration of a polydimethylsiloxane (PDMS) microfluidic channel.
Analysis of resonant frequency shifts due to dielectric perturbation from ethanol.

Main Results:

The sensor exhibited a 550 MHz resonant frequency shift with ethanol concentration changes (0-100%).
The sensor successfully detected 10% ethanol concentration with repeatability.
Demonstrated sensitivity across a range of ethanol concentrations.

Conclusions:

The proposed CSRR-loaded patch microfluidic sensor is effective for ethanol detection.
The design offers miniaturization, low cost, and reusability for chemical sensing.