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Title: Methylxanthine Drug Monitoring with Wearable Sweat Sensors

Journal Article · · Advanced Materials
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  1. Univ. of California, Berkeley, CA (United States). Dept. of Electrical Engineering and Computer Sciences and Berkeley Sensor and Actuator Center; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Materials Sciences Division
  2. Sunchon National Univ., Suncheon (South Korea). Department of Printed Electronics Engineering

Drug monitoring plays crucial roles in doping control and precision medicine. It helps physicians tailor drug dosage for optimal benefits, track patients' compliance to prescriptions, and understand the complex pharmacokinetics of drugs. Conventional drug tests rely on invasive blood draws. While urine and sweat are attractive alternative biofluids, the state-of-the-art methods require separate sample collection and processing steps and fail to provide real-time information. In this paper, a wearable platform equipped with an electrochemical differential pulse voltammetry sensing module for drug monitoring is presented. A methylxanthine drug, caffeine, is selected to demonstrate the platform's functionalities. Sweat caffeine levels are monitored under various conditions, such as drug doses and measurement time after drug intake. Elevated sweat caffeine levels upon increasing dosage and confirmable caffeine physiological trends are observed. This work leverages a wearable sweat sensing platform toward noninvasive and continuous point-of-care drug monitoring and management.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; National Science Foundation (NSF); Ministry of Food and Drug Safety in the Republic of Korea
Grant/Contract Number:
AC02-05CH11231; 16163KKMFDS001
OSTI ID:
1638977
Alternate ID(s):
OSTI ID: 1433448
Journal Information:
Advanced Materials, Vol. 30, Issue 23; ISSN 0935-9648
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 178 works
Citation information provided by
Web of Science

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Cited By (21)

Weaving Sensing Fibers into Electrochemical Fabric for Real-Time Health Monitoring journal September 2018
Porous Enzymatic Membrane for Nanotextured Glucose Sweat Sensors with High Stability toward Reliable Noninvasive Health Monitoring journal June 2019
The Era of Digital Health: A Review of Portable and Wearable Affinity Biosensors journal November 2019
A Mediator‐Free Electroenzymatic Sensing Methodology to Mitigate Ionic and Electroactive Interferents' Effects for Reliable Wearable Metabolite and Nutrient Monitoring journal December 2019
Hydrogel Interferometry for Ultrasensitive and Highly Selective Chemical Detection journal September 2018
Flexible Electrochemical Bioelectronics: The Rise of In Situ Bioanalysis journal August 2019
Flexible Hybrid Sensors for Health Monitoring: Materials and Mechanisms to Render Wearability journal July 2019
Nanomaterial‐Enabled Flexible and Stretchable Sensing Systems: Processing, Integration, and Applications journal August 2019
Telecommunications and Data Processing in Flexible Electronic Systems journal November 2019
Liquid‐State Optoelectronics Using Liquid Metal journal January 2020
A wearable, cotton thread/paper-based microfluidic device coupled with smartphone for sweat glucose sensing journal April 2019
Bioresorbable photonic devices for the spectroscopic characterization of physiological status and neural activity journal August 2019
Wearable biosensors for healthcare monitoring journal February 2019
Noninvasive Sweat-Lactate Biosensor Emplsoying a Hydrogel-Based Touch Pad journal July 2019
Rapid and sensitive detection of drugs of abuse in sweat by multiplexed capillary based immuno-biosensors journal January 2020
A multi-modal sweat sensing patch for cross-verification of sweat rate, total ionic charge, and Na + concentration journal January 2019
A versatile, cost-effective, and flexible wearable biosensor for in situ and ex situ sweat analysis, and personalized nutrition assessment journal January 2019
Soft, skin-interfaced microfluidic systems with integrated enzymatic assays for measuring the concentration of ammonia and ethanol in sweat journal January 2020
Recent advances of tissue-interfaced chemical biosensors journal January 2020
Wearable flexible sweat sensors for healthcare monitoring: a review journal October 2019
Regional and correlative sweat analysis using high-throughput microfluidic sensing patches toward decoding sweat journal August 2019

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