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Author

Lei-Lei Shi

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Sep 2026

Resonance-enhanced impedance spectroscopy platform for label-free detection of biological particles.

Label-free electrical impedance sensing is promising for biological particle characterization, but high-frequency measurements are often limited by parasitic capacitance from the chip, interconnects, cables, and instrument inputs. Here, we present a resonance-enhanced impedance sensing platform that amplifies localized...

Lei-Lei Shi, C. Murphy · 0 citations
Open access Aug 2026

Event-Preserving Neural Network Denoising for Impedance Flow Cytometry

Impedance flow cytometry (IFC) is a label-free technique for high-throughput electrical characterization of individual cells and other micron-scale particles based on transient impedance changes during passage through microfluidic sensing electrodes. Although lock-in demodulation and low-pass filtering are commonly use...

Lei-Lei Shi, Charlie Jindrich · 0 citations

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