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Multi-Channel and Fault-Tolerant Control Multiplexing for Flow-Based Microfluidic Biochips

Published: 05 November 2018 Publication History

Abstract

Continuous flow-based biochips are one of the promising platforms used in biochemical and pharmaceutical laboratories due to their efficiency and low costs. Inside such a chip, fluid volumes of nanoliter size are transported between devices for various operations, such as mixing and detection. The transportation channels and corresponding operation devices are controlled by microvalves driven by external pressure sources. Since assigning an independent pressure source to every microvalve would be impractical due to high costs and limited system dimensions, states of microvalves are switched using a control logic by time multiplexing. Existing control logic designs, however, still switch only a single control channel per operation – leading to a low efficiency. In this paper, we propose the first automatic synthesis approach for a control logic that is able to switch multiple control channels simultaneously to reduce the overall switching time of valve states. In addition, we propose the first fault-aware design in control logic to introduce redundant control paths to maintain the correct function even when manufacturing defects occur. Compared with the existing direct connection method, the proposed multi-channel switching mechanism can reduce the switching time of valve states by up to 64%. In addition, all control paths for fault tolerance have been realized.

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  • (2023)Channel Routing for Microfluidic Devices: A Comprehensive and Accessible Design ToolIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems10.1109/TCAD.2022.317964742:2(533-543)Online publication date: Feb-2023
  • (2023)ARMM: Adaptive Reliability Quantification Model of Microfluidic Designs and its Graph-Transformer-Based Implementation2023 IEEE/ACM International Conference on Computer Aided Design (ICCAD)10.1109/ICCAD57390.2023.10323772(1-9)Online publication date: 28-Oct-2023
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    2018 IEEE/ACM International Conference on Computer-Aided Design (ICCAD)
    Nov 2018
    939 pages

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    Published: 05 November 2018

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    • (2023)Channel Routing for Microfluidic Devices: A Comprehensive and Accessible Design ToolIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems10.1109/TCAD.2022.317964742:2(533-543)Online publication date: Feb-2023
    • (2023)ARMM: Adaptive Reliability Quantification Model of Microfluidic Designs and its Graph-Transformer-Based Implementation2023 IEEE/ACM International Conference on Computer Aided Design (ICCAD)10.1109/ICCAD57390.2023.10323772(1-9)Online publication date: 28-Oct-2023
    • (2023)Reliability Issues in State-of-the-Art Microfluidic Biochips: A SurveyIETE Technical Review10.1080/02564602.2022.215895240:5(694-709)Online publication date: 8-Jan-2023
    • (2021)Computer-aided Design Techniques for Flow-based Microfluidic Lab-on-a-chip SystemsACM Computing Surveys10.1145/345050454:5(1-29)Online publication date: 9-Jul-2021
    • (2021)DCSA: Distributed Channel-Storage Architecture for Flow-Based Microfluidic BiochipsIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems10.1109/TCAD.2020.299426740:1(115-128)Online publication date: Jan-2021
    • (2021)Design automation for continuous-flow microfluidic biochips: A comprehensive reviewIntegration10.1016/j.vlsi.2021.09.002Online publication date: Sep-2021
    • (2020)Microfluidic Trojan Design in Flow-based Biochips2020 Design, Automation & Test in Europe Conference & Exhibition (DATE)10.23919/DATE48585.2020.9116225(1037-1042)Online publication date: Mar-2020
    • (2020)Test Generation for Flow-Based Microfluidic Biochips With General ArchitecturesIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems10.1109/TCAD.2019.294890439:10(2530-2543)Online publication date: Oct-2020
    • (2020)Multicontrol: Advanced Control-Logic Synthesis for Flow-Based Microfluidic BiochipsIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems10.1109/TCAD.2019.294068839:10(2489-2502)Online publication date: Oct-2020
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