Solid-state nanochannels based on electro-optical dual signals for detection of analytes

Area of Science:

• Nanotechnology
• Analytical Chemistry
• Biosensing

Background:

• Sensitive analyte detection is vital for environmental protection, food safety, and medical diagnostics.
• Nanochannels offer unique environments for molecular analysis but face interference challenges.
• Current detection methods in nanochannels can be unreliable due to external interferences.

Purpose of the Study:

• To review the applications of solid-state nanochannels using electro-optical dual signals for analyte detection over the past five years.
• To discuss the principles and construction of nanochannel electro-optical sensing platforms.
• To explore the potential of combined electrical and optical signals for enhanced analyte detection.

Main Methods:

• Review of recent literature (last five years) on solid-state nanochannel applications.
• Analysis of detection principles in nanochannels.
• Discussion of electro-optical sensing platform construction strategies.
• Categorization of applications based on combined signal types (electrical-fluorescence, electrical-SERS, electrical-other optical).

Main Results:

• Solid-state nanochannels combined with electro-optical dual signals show promise for sensitive, specific, and accurate analyte detection.
• Integration of electrical signals with fluorescence, surface-enhanced Raman spectroscopy (SERS), and other optical signals enhances detection capabilities.
• The review covers diverse applications across environmental, food, and medical fields.

Conclusions:

• Electro-optical dual-signal detection in solid-state nanochannels represents a significant advancement in analytical sensitivity and reliability.
• Further research into nanochannel perspectives and challenges is needed to optimize this detection strategy.
• This integrated approach offers a powerful platform for tackling complex analyte detection problems.