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- W2781845221 abstract "We demonstrate a low-power CMOS ISFET array for pH sensing which is inductively powered using NFC. Each pixel in a 3-by-3 array contains an ISFET operating in weak-inversion which detects changes in pH as a current. The output of all pixels is then averaged and converted to a frequency using a current-starved ring oscillator. We make use of a commercial NFC IC, the SIC4310, to harvest power from a standard smartphone and power the ASIC, which consumes up to 6 pW. The output frequency of the ASIC is then transferred to the phone to provide a real-time measurement of pH from a batteryless platform." @default.
- W2781845221 created "2018-01-12" @default.
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- W2781845221 date "2017-10-01" @default.
- W2781845221 modified "2023-09-26" @default.
- W2781845221 title "Live demonstration: An NFC based batteryless CMOS ISFET array for real-time pH measurements of bio-fluids" @default.
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- W2781845221 doi "https://doi.org/10.1109/icsens.2017.8234027" @default.
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