Four Aspects about Solid-State Nanopores for Protein Sensing: Fabrication, Sensitivity, Selectivity, and Durability

Area of Science:

• Nanotechnology
• Biomedical Engineering
• Analytical Chemistry

Background:

• Solid-state nanopores mimic biological pores, offering enhanced stability and design flexibility.
• While biological nanopores are commercialized for DNA sequencing, solid-state nanopores are advancing protein sensing for clinical diagnostics.

Purpose of the Study:

• To review resistive pulse sensing techniques using solid-state nanopores for protein detection.
• To discuss challenges and improvements in fabrication, sensitivity, selectivity, and durability for commercialization.

Main Methods:

• Focus on resistive pulse sensing modes for protein detection.
• Analysis of four key aspects: fabrication, sensitivity, selectivity, and durability.
• Review of existing literature on solid-state nanopore protein sensing.

Main Results:

• Solid-state nanopores show promise for low-cost, portable protein sensing devices.
• Identified challenges and discussed improvements across fabrication, sensitivity, selectivity, and durability.
• Highlighted the need for multidisciplinary collaboration to overcome obstacles.

Conclusions:

• Solid-state nanopore technology is a promising platform for advanced protein sensing in clinical diagnostics.
• Further research and multidisciplinary cooperation are crucial for commercializing these techniques.
• Addressing current obstacles will accelerate the development of practical solid-state nanopore-based protein sensors.