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Microbial Biosensors

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Microbial biosensors are analytical devices that utilize living microbes to detect specific substances through measurable signals. These devices consist of two main components: biosensing organisms and signal-transducing elements. Biosensing organisms, such as Escherichia coli or Saccharomyces cerevisiae, are typically housed in multiwell plates connected to transducers, enabling rapid, real-time detection of target analytes.Signal Generation MechanismWhen a target analyte—such as...

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Updated: May 5, 2026

Microfluidic Chips Controlled with Elastomeric Microvalve Arrays

Microfluidic Chips Controlled with Elastomeric Microvalve Arrays

Published on: October 1, 2007

Open and closed microfluidics for biosensing.

Tianxin Ge¹, Wenxu Hu¹, Zilong Zhang¹

¹Guangdong Provincial Key Laboratory of Sensing Technology and Biomedical Instrument, School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, No.66, Gongchang Road, Guangming District, Shenzhen, Guangdong, 518107, PR China.

Materials Today. Bio

|April 18, 2024

Summary

This summary is machine-generated.

This review explores microfluidics for biosensing, covering open and closed systems for disease diagnosis and monitoring. It details liquid control methods, applications, and future research directions in microfluidic biosensing technology.

Keywords:

Biosensing Closed microfluidics Immunoassay Nucleic acid detection Open microfluidics

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Microfluidic Chips Controlled with Elastomeric Microvalve Arrays

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Microfluidic Applications for Disposable Diagnostics

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

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

Published on: September 19, 2017

Area of Science:

Biomedical Engineering
Analytical Chemistry
Nanotechnology

Background:

Biosensing is crucial for disease diagnosis, infectious disease prevention, and point-of-care monitoring.
Microfluidics offers a powerful platform for biosensing by integrating biological detection processes onto compact chips.
Microfluidic systems are broadly categorized into open and closed types, each with distinct operational methodologies.

Purpose of the Study:

To provide a comprehensive review of microfluidics-based biosensing.
To elucidate the fundamentals, liquid control strategies, and applications of both open and closed microfluidic systems.
To identify current challenges and suggest future research avenues in the field of microfluidic biosensing.

Main Methods:

Review of existing literature on open and closed microfluidic systems for biosensing.
Comparative analysis of liquid control methods employed in different microfluidic architectures.
Examination of diverse applications across various domains, including diagnostics and monitoring.

Main Results:

Detailed explanation of the principles governing open and closed microfluidic devices.
Elucidation of various liquid manipulation techniques tailored for microfluidic environments.
Overview of successful applications demonstrating the utility of microfluidics in biosensing.

Conclusions:

Microfluidics presents a versatile and scalable technology for advanced biosensing applications.
Addressing current bottlenecks in microfluidic biosensing will pave the way for enhanced diagnostic and monitoring tools.
Future research should focus on optimizing designs, improving detection limits, and expanding the scope of microfluidic biosensing platforms.