Chip electrophoresis titration biosensors: Recent developments for biomedical targets

Area of Science:

• Analytical Chemistry
• Biosensor Technology
• Point-of-Care Testing (POCT)

Background:

• Electrophoresis Titration (ET) traditionally used large capillary equipment for analyte detection.
• Miniaturization has led to the development of chip-based ET systems with growing analytical significance.
• A comprehensive review of recent advancements in ET chip biosensors is lacking.

Purpose of the Study:

• To provide an updated review on the transition from capillary-based ET to chip-based ET formats.
• To emphasize recent progress in colorimetric and fluorometric ET chip biosensors.
• To discuss the utility of ET chip systems in clinical diagnostics and product quality monitoring.

Main Methods:

• Review of recent literature on Electrophoresis Titration (ET) chip biosensors.
• Focus on colorimetric and fluorometric detection modes integrated into microfluidic chips.
• Analysis of applications in clinical diagnostics, chemical, and dairy product quality monitoring.

Main Results:

• Chip-based ET systems represent a significant advancement over traditional capillary methods for POCT.
• Colorimetric and fluorometric biosensing techniques are successfully integrated into ET chip platforms.
• ET chip biosensors demonstrate utility across diverse fields, including healthcare and food safety.

Conclusions:

• ET chip biosensors are a promising technology for point-of-care diagnostics and quality control.
• Further development is needed to optimize ET-enabled POCT technologies.
• This review provides insights into current trends and future directions in ET chip biosensor research.