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. 2025 Feb:2025:352-354.
doi: 10.1109/isscc49661.2025.10904714. Epub 2025 Mar 6.

An RFID-Inspired One-Step Packaged Multimode Bio-Analyzer with Vacuum Microfluidics for Point-of-Care Diagnostics

Yan-Ting Hsiao  1 , Ya-Chen Tsai  1 , Wei Foo  1 , Hung-Yu Hou  1 , Yun-Chun Su  2 , Yueting Lily Li  1 , Jun-Chau Chien  1
Affiliations

An RFID-Inspired One-Step Packaged Multimode Bio-Analyzer with Vacuum Microfluidics for Point-of-Care Diagnostics

Yan-Ting Hsiao et al. Dig Tech Pap IEEE Int Solid State Circuits Conf. 2025 Feb.
No abstract available

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Figures

Figure 20.3.1:
Figure 20.3.1:
The RFID-inspired CMOS/microfluidics system enables one-step assembly and integration with vacuum microfluidics while supporting multi-modal immunoassays.
Figure 20.3.2:
Figure 20.3.2:
System block diagram of the wireless bio-analyzer.
Figure 20.3.3:
Figure 20.3.3:
The schematics of the amperometric, temperature, and pH sensors. Signal-folding is introduced in the current readout to increase the dynamic range. A feedforward path in the LDO regulator introduces a notch in the PSRR response.
Figure 20.3.4:
Figure 20.3.4:
Demonstration of wireless bio-analyzer operation in three different modes and the measurements of the current-readout frontend and the pH/temperature sensors.
Figure 20.3.5:
Figure 20.3.5:
The bioanalytical results of HRP/TMB and glucose/avidin-GOx reactions and the illustrations of an assembled device, cell filtration function, and sequential injection of samples and reagents with vacuum propulsion in action.
Figure 20.3.6:
Figure 20.3.6:
The comparison table.
Figure 20.3.7:
Figure 20.3.7:
The die micrograph, the ENIG-plated electrodes, and the states of the pH sensing membranes at different durations.
See this image and copyright information in PMC

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