TY - GEN
T1 - A DIGITAL MICROFLUIDIC-BASED ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY FOR CELL-BASED IMMUNOASSY IN A DYNAMIC MODE
AU - Zhang, Yuqian
AU - Liu, Yuguang
N1 - Publisher Copyright:
© 2022 MicroTAS 2022 - 26th International Conference on Miniaturized Systems for Chemistry and Life Sciences. All rights reserved.
PY - 2022
Y1 - 2022
N2 - In this work, we report a novel system that integrates an electrochemical impedance spectroscopy (EIS)-based biosensor and a digital microfluidic (DMF) device. This system can quantify human peripheral blood mononuclear cells (PBMCs) in low-volume samples with minimal human intervention. By exploiting the unique droplet handling ability of DMF devices, we conducted a cell-based assay in a dynamic mode by agitating the sample droplet during the incubation, and detected as low as 104 PBMCs/mL, enhancing sensitivity by 2.4-fold.
AB - In this work, we report a novel system that integrates an electrochemical impedance spectroscopy (EIS)-based biosensor and a digital microfluidic (DMF) device. This system can quantify human peripheral blood mononuclear cells (PBMCs) in low-volume samples with minimal human intervention. By exploiting the unique droplet handling ability of DMF devices, we conducted a cell-based assay in a dynamic mode by agitating the sample droplet during the incubation, and detected as low as 104 PBMCs/mL, enhancing sensitivity by 2.4-fold.
KW - cell-based immunoassay
KW - digital microfluidics
KW - non-faradic electrochemical impedance spectroscopy (EIS)
UR - http://www.scopus.com/inward/record.url?scp=85175690849&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85175690849&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:85175690849
T3 - MicroTAS 2022 - 26th International Conference on Miniaturized Systems for Chemistry and Life Sciences
SP - 130
EP - 131
BT - MicroTAS 2022 - 26th International Conference on Miniaturized Systems for Chemistry and Life Sciences
PB - Chemical and Biological Microsystems Society
T2 - 26th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2022
Y2 - 23 October 2022 through 27 October 2022
ER -