Alex Whipple, Marie Bridges, A. Hanson, D. Maddipatla, M. Atashbar
{"title":"A Fully Flexible Handheld Wireless Estrogen Sensing Device","authors":"Alex Whipple, Marie Bridges, A. Hanson, D. Maddipatla, M. Atashbar","doi":"10.1109/fleps53764.2022.9781499","DOIUrl":null,"url":null,"abstract":"A ultra-lightweight, portable sensing system was developed as a means to detect the amounts of estradiol (E2) in a solution of 0.1 M phosphate buffer. This was done by screen printing a 3-electrode sensor made from a silver/ silver chloride counter electrode, silver reference electrode, and carbon/ ordered mesoporous carbon/ graphite working electrode. This sensor was connected to a custom developed data acquisition circuit, consisting of the LMP91000, a low-power analog front end (AFE) potentiostat paired with the ESP32 microprocessor from Espressif. This circuit was equipped with a USB connection for the purpose of data acquisition and programming, as well as a OLED digital display and a Bluetooth connectivity to display data wirelessly. This apparatus was found to detect estrogen successfully in the range of 5 nM through 5 uM with a slope error of 0.000946 and an R2 value of 0.9901 utilizing cyclic voltammetry.","PeriodicalId":221424,"journal":{"name":"2022 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)","volume":"48 5 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/fleps53764.2022.9781499","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
A ultra-lightweight, portable sensing system was developed as a means to detect the amounts of estradiol (E2) in a solution of 0.1 M phosphate buffer. This was done by screen printing a 3-electrode sensor made from a silver/ silver chloride counter electrode, silver reference electrode, and carbon/ ordered mesoporous carbon/ graphite working electrode. This sensor was connected to a custom developed data acquisition circuit, consisting of the LMP91000, a low-power analog front end (AFE) potentiostat paired with the ESP32 microprocessor from Espressif. This circuit was equipped with a USB connection for the purpose of data acquisition and programming, as well as a OLED digital display and a Bluetooth connectivity to display data wirelessly. This apparatus was found to detect estrogen successfully in the range of 5 nM through 5 uM with a slope error of 0.000946 and an R2 value of 0.9901 utilizing cyclic voltammetry.
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