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Taking Advantage of Reduced Droplet-surface Interaction to Optimize Transport of Bioanalytes in Digital Microfluidics
Published on: November 10, 2014
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On-demand, remote and lossless manipulation of biofluid droplets
Wei Wang1,2, Jiefeng Sun3, Sravanthi Vallabhuneni1
1Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC, 27695, USA. akota2@ncsu.edu.
Materials Horizons
|September 7, 2022
Summary
New biofluid manipulators reduce infection risk for healthcare workers. These devices enable remote, automated handling of infectious liquids, minimizing manual operations and enabling point-of-care diagnostics.
Area of Science:
- Biotechnology
- Robotics
- Materials Science
Background:
- Global epidemics highlight inadequate preparedness for infectious agents.
- Healthcare workers face high risks from handling infectious biofluids, leading to millions of infections annually.
- Minimizing human exposure through automated technologies is crucial for mitigating infection risks.
Purpose of the Study:
- To develop novel biofluid manipulators for remote and automated handling of liquid droplets.
- To reduce manual operations and minimize healthcare worker exposure to infectious agents.
- To enable development of inexpensive, portable robotic systems for point-of-care diagnostics.
Main Methods:
- Integration of thermo-responsive soft actuators with superomniphobic surfaces.
- Design of manipulators for on-demand, remote, and lossless liquid droplet handling.
- Demonstration of biofluid droplet manipulation using the developed system.
Main Results:
- Successful on-demand, remote, and lossless manipulation of biofluid droplets was achieved.
- The developed manipulators effectively handle various liquid droplets.
- The technology shows potential for reducing manual operations and infection exposure.
Conclusions:
- Biofluid manipulators offer a novel solution for safe handling of infectious materials.
- This technology can significantly reduce hospital-acquired and laboratory-acquired infections.
- The manipulators pave the way for affordable, portable robotic systems for point-of-care applications, especially in developing nations.

