Droplet dynamics in textured flow-focusing microchannels: Effects of surface texture on deformation and transport

Key Points

• This research explores how surface texture affects the behavior and movement of droplets in microfluidic channels.
• Investigation of water droplets in an oil continuous phase within microfluidic channels.
• Utilization of lithographically fabricated grooves to create varying surface textures.
• Analysis of droplet deformation and transport characteristics under controlled flow conditions.
• Surface textures significantly influence droplet deformation patterns, enhancing transport efficiency.
• Specific groove designs lead to optimal droplet stability and reduced breakup.
• Improved control over droplet movement is achieved, suggesting potential applications in lab-on-a-chip technologies.