A Simple Route for Open Fluidic Devices with Particle Walls

Area of Science:

• Microfluidics and Nanotechnology
• Biomedical Engineering
• Materials Science

Background:

• Open fluidics offers environmental interaction but faces fabrication and stability challenges.
• Existing methods lack arbitrary complexity and reconfigurability for open fluidic devices.
• Developing stable, adaptable open fluidic systems is crucial for advanced applications.

Purpose of the Study:

• To develop a novel, reconfigurable open fluidic device with enhanced stability.
• To utilize carbon nanotubes (CNTs) for fluid encapsulation and photothermal properties.
• To investigate the application of this platform in probing temperature effects on tumor chemotherapy.

Main Methods:

• Fabrication of open fluidic structures using patterned substrates and hydrophobic particle-coated liquids.
• Encapsulation of fluids with modified carbon nanotubes (CNTs).
• Leveraging CNTs' photothermal characteristics for temperature control in a microfluidic setting.

Main Results:

• Demonstrated a highly stable and reconfigurable open fluidic device.
• Successfully encapsulated fluids using CNT coatings.
• Utilized the photothermal effect of CNTs to create a temperature-controlled environment for chemotherapy studies.

Conclusions:

• The developed open fluidic platform provides a flexible and stable solution for complex structures.
• The use of CNTs and photothermal effects offers a novel approach for temperature-controlled microfluidic applications.
• This strategy significantly broadens the accessibility and potential applications of open fluidic devices, particularly in biomedical research like tumor chemotherapy.