Naval Singh - Reversible Trapping of Colloids in Microgrooved Channels by Diffusiophoresis
| Dates: | 23 February 2022 |
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| Times: | 14:00 - 15:00 |
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| What is it: | Seminar |
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| Organiser: | Department of Mathematics |
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| Who is it for: | University staff, External researchers, Current University students |
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Naval Singh (University of Manchester) joins us for this in-person seminar in the Physical Applied Mathematics Series
Reversible Trapping of Colloids in Microgrooved Channels by Diffusiophoresis
Abstract: The controlled transport of sub-micron colloidal particles within a confined environment, such as a porous medium or a dead-end channel, is a key feature in several technological applications (e.g., drug delivery, diagnostics, enhanced oil recovery) as well as in living systems (e.g., transport of biological material in tissues and capillaries). In recent years, an increasing interest in harnessing the chemical energy in the form of solute concentration gradient has led to the exploration of colloidal particle manipulation by diffusiophoresis in microfluidic devices. I will introduce you to a novel mechanism for reversible trapping of particles in dead-end micro-structures via steady-state solute gradients in a continuous flow setting. The proposed approach for particle transport in lab-on-a-chip devices has potential applications in point of care industry, drug delivery, biosensing and the food industry.
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