Advances in Micro/Nanoporous Membranes for Biomedical Engineering.

Area of Science:

• Biomedical Engineering
• Materials Science
• Nanotechnology

Background:

• Micro/nanoporous membranes (M/N-PMs) are vital for numerous biological and medical applications, including filtration, cell separation, and sensing.
• These materials offer unique properties for advanced biomedical engineering tasks.

Purpose of the Study:

• To provide a comprehensive overview of the technological development of micro/nanoporous membranes (M/N-PMs).
• To discuss various membrane types, fabrication techniques, and their associated features, achievements, and limitations.
• To explore the recent applications of M/N-PMs in biomedical engineering and highlight future challenges.

Main Methods:

• Review of existing literature on M/N-PM fabrication techniques.
• Description of methods including electrochemical-etching, laser-based technology, microcontact printing, electron beam lithography, imprinting, capillary force lithography, spin coating, and microfluidic molding.
• Analysis of key features, achievements, and limitations of M/N-PM preparation.

Main Results:

• Detailed description of diverse M/N-PM fabrication techniques and their advancements.
• Exploration of M/N-PM applications in cell/biomolecule separation, bioparticle operations, biomimicking, micropatterning, bioassay, and biosensing.
• Identification of challenges and future prospects for M/N-PM fabrication and application.

Conclusions:

• M/N-PMs are versatile materials with significant potential in biomedical engineering.
• Continued advancements in fabrication techniques are crucial for expanding their applications.
• Overcoming current challenges will unlock new opportunities for M/N-PMs in healthcare and research.