Salivary Cortisol Determination on Smartphone-Based Differential Pulse Voltammetry System

• Published in: Sensors (Basel, Switzerland) Vol. 20; no. 5; p. 1422
• Main Authors: Liu, Jingjing, Xu, Ning, Men, Hong, Li, Shuang, Lu, Yanli, Low, Sze Shin, Li, Xin, Zhu, Lihang, Cheng, Chen, Xu, Gang, Liu, Qingjun
• Format: Journal Article
• Language: English
• Published: Switzerland MDPI AG 05.03.2020; MDPI
• Subjects: Biosensing Techniques - methods; Biosensors; Carbon; Cognition & reasoning; differential pulse voltammetry; Electrochemical Techniques - methods; Electrodes; Ethanol; Gold; gold nanoparticles; Hormones; Humans; Hydrocortisone - analysis; immunosensor; Limit of Detection; Molybdenum; molybdenum disulfide; Nanomaterials; Nanoparticles; Post traumatic stress disorder; Saliva - chemistry; salivary cortisol; Sensors; Smartphone; Smartphones; Voltammetry; United States > US; immunosensor; molybdenum disulfide; salivary cortisol; differential pulse voltammetry; smartphone; gold nanoparticles

Cortisol is commonly used as a significant biomarker of psychological or physical stress. With the accelerated pace of life, non-invasive cortisol detection at the point of care (POC) is in high demand for personal health monitoring. In this paper, an ultrasensitive immunosensor using gold nanoparti...