Abstract
This paper reports a microfluidic paper-based analytical device (PAD), featuring a novel, highly integrated on-chip rotary valve, for autonomous enzyme-linked immunosorbent assay (ELISA). Unlike existing valving methods on PADs, this rotary valve allows regulation of multiple flows with a single valve, leading to ease of assembly and small footprint with a high integration level. The micromotor-controlled valve is also programmable and highly reliable, and has a fast response (76 ± 0.6ms, n=20, 500 times faster than previous smart material-enabled valves on PADs). Using this design, we performed autonomous ELISA, demonstrating a limit of detection (LOD) of 20 pM for rabbit IgG antibody detection with 100% valving reliability.
| Original language | English |
|---|---|
| Title of host publication | 35th IEEE International Conference on Micro Electro Mechanical Systems Conference, MEMS 2022 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 271-274 |
| Number of pages | 4 |
| ISBN (Electronic) | 9781665409117 |
| DOIs | |
| Publication status | Published - 2022 |
| Event | 35th IEEE International Conference on Micro Electro Mechanical Systems Conference, MEMS 2022 - Tokyo, Japan Duration: 9 Jan 2022 → 13 Jan 2022 |
Conference
| Conference | 35th IEEE International Conference on Micro Electro Mechanical Systems Conference, MEMS 2022 |
|---|---|
| Country/Territory | Japan |
| City | Tokyo |
| Period | 9/01/22 → 13/01/22 |
Keywords
- Microfluidic paper-based analytical device
- autonomous ELISA
- in-vitro diagnostics
- on-chip valve
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