51
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Ates HC, Nguyen PQ, Gonzalez-Macia L, Morales-Narváez E, Güder F, Collins JJ, Dincer C. End-to-end design of wearable sensors. NATURE REVIEWS. MATERIALS 2022; 7:887-907. [PMID: 35910814 PMCID: PMC9306444 DOI: 10.1038/s41578-022-00460-x] [Citation(s) in RCA: 173] [Impact Index Per Article: 86.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/15/2022] [Indexed: 05/03/2023]
Abstract
Wearable devices provide an alternative pathway to clinical diagnostics by exploiting various physical, chemical and biological sensors to mine physiological (biophysical and/or biochemical) information in real time (preferably, continuously) and in a non-invasive or minimally invasive manner. These sensors can be worn in the form of glasses, jewellery, face masks, wristwatches, fitness bands, tattoo-like devices, bandages or other patches, and textiles. Wearables such as smartwatches have already proved their capability for the early detection and monitoring of the progression and treatment of various diseases, such as COVID-19 and Parkinson disease, through biophysical signals. Next-generation wearable sensors that enable the multimodal and/or multiplexed measurement of physical parameters and biochemical markers in real time and continuously could be a transformative technology for diagnostics, allowing for high-resolution and time-resolved historical recording of the health status of an individual. In this Review, we examine the building blocks of such wearable sensors, including the substrate materials, sensing mechanisms, power modules and decision-making units, by reflecting on the recent developments in the materials, engineering and data science of these components. Finally, we synthesize current trends in the field to provide predictions for the future trajectory of wearable sensors.
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Affiliation(s)
- H. Ceren Ates
- FIT Freiburg Center for Interactive Materials and Bioinspired Technology, University of Freiburg, Freiburg, Germany
- IMTEK – Department of Microsystems Engineering, University of Freiburg, Freiburg, Germany
| | - Peter Q. Nguyen
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA USA
| | | | - Eden Morales-Narváez
- Biophotonic Nanosensors Laboratory, Centro de Investigaciones en Óptica, León, Mexico
| | - Firat Güder
- Department of Bioengineering, Imperial College London, London, UK
| | - James J. Collins
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA USA
- Institute of Medical Engineering & Science, Department of Biological Engineering, MIT, Cambridge, MA USA
- Broad Institute of MIT and Harvard, Cambridge, MA USA
| | - Can Dincer
- FIT Freiburg Center for Interactive Materials and Bioinspired Technology, University of Freiburg, Freiburg, Germany
- IMTEK – Department of Microsystems Engineering, University of Freiburg, Freiburg, Germany
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52
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Xu NY, Nguyen KT, DuBord AY, Pickup J, Sherr JL, Teymourian H, Cengiz E, Ginsberg BH, Cobelli C, Ahn D, Bellazzi R, Bequette BW, Gandrud Pickett L, Parks L, Spanakis EK, Masharani U, Akturk HK, Melish JS, Kim S, Kang GE, Klonoff DC. Diabetes Technology Meeting 2021. J Diabetes Sci Technol 2022; 16:1016-1056. [PMID: 35499170 PMCID: PMC9264449 DOI: 10.1177/19322968221090279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Diabetes Technology Society hosted its annual Diabetes Technology Meeting on November 4 to November 6, 2021. This meeting brought together speakers to discuss various developments within the field of diabetes technology. Meeting topics included blood glucose monitoring, continuous glucose monitoring, novel sensors, direct-to-consumer telehealth, metrics for glycemia, software for diabetes, regulation of diabetes technology, diabetes data science, artificial pancreas, novel insulins, insulin delivery, skin trauma, metabesity, precision diabetes, diversity in diabetes technology, use of diabetes technology in pregnancy, and green diabetes. A live demonstration on a mobile app to monitor diabetic foot wounds was presented.
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Affiliation(s)
- Nicole Y. Xu
- Diabetes Technology Society,
Burlingame, CA, USA
| | | | | | | | | | | | - Eda Cengiz
- University of California, San
Francisco, San Francisco, CA, USA
| | | | | | - David Ahn
- Mary & Dick Allen Diabetes Center
at Hoag, Newport Beach, CA, USA
| | | | | | | | - Linda Parks
- University of California, San
Francisco, San Francisco, CA, USA
| | - Elias K. Spanakis
- Baltimore VA Medical Center,
Baltimore, MD, USA
- University of Maryland, Baltimore,
MD, USA
| | - Umesh Masharani
- University of California, San
Francisco, San Francisco, CA, USA
| | - Halis K. Akturk
- Barbara Davis Center for Diabetes,
University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | | | - Sarah Kim
- University of California, San
Francisco, San Francisco, CA, USA
| | - Gu Eon Kang
- The University of Texas at Dallas,
Richardson, TX, USA
| | - David C. Klonoff
- Diabetes Research Institute,
Mills-Peninsula Medical Center, San Mateo, CA, USA
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53
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Vargas E, Aiello EM, Ben Hassine A, Ruiz-Valdepeñas Montiel V, Pinsker JE, Church MM, Laffel LM, Doyle FJ, Patti ME, Dassau E, Wang J. Concept of the "Universal Slope": Toward Substantially Shorter Decentralized Insulin Immunoassays. Anal Chem 2022; 94:9217-9225. [PMID: 35715001 DOI: 10.1021/acs.analchem.2c02178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Decentralized sensing of analytes in remote locations is today a reality. However, the number of measurable analytes remains limited, mainly due to the requirement for time-consuming successive standard additions calibration used to address matrix effects and resulting in greatly delayed results, along with more complex and costly operation. This is particularly challenging in commonly used immunoassays of key biomarkers that typically require from 60 to 90 min for quantitation based on two standard additions, hence hindering their implementation for rapid and routine diagnostic applications, such as decentralized point-of-care (POC) insulin testing. In this work we have developed and demonstrated the theoretical framework for establishing a universal slope for direct calibration-free POC insulin immunoassays in serum samples using an electrochemical biosensor (developed originally for extended calibration by standard additions). The universal slope is presented as an averaged slope constant, relying on 68 standard additions-based insulin determinations in human sera. This new quantitative analysis approach offers reliable sample measurement without successive standard additions, leading to a dramatically simplified and faster assay (30 min vs 90 min when using 2 standard additions) and greatly reduced costs, without compromising the analytical performance while significantly reducing the analyses costs. The substantial improvements associated with the new universal slope concept have been demonstrated successfully for calibration-free measurements of serum insulin in 30 samples from individuals with type 1 diabetes using meticulous statistical analysis, supporting the prospects of applying this immunoassay protocol to routine decentralized POC insulin testing.
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Affiliation(s)
- Eva Vargas
- Department of Nanoengineering, University of California San Diego, La Jolla, California 92093, United States
| | - Eleonora M Aiello
- Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Allston, Massachusetts 02134, United States.,Sansum Diabetes Research Institute, Santa Barbara, California 93105, United States
| | - Amira Ben Hassine
- Department of Nanoengineering, University of California San Diego, La Jolla, California 92093, United States
| | | | - Jordan E Pinsker
- Sansum Diabetes Research Institute, Santa Barbara, California 93105, United States
| | - Mei Mei Church
- Sansum Diabetes Research Institute, Santa Barbara, California 93105, United States
| | - Lori M Laffel
- Joslin Diabetes Center, Harvard Medical School, Boston, Massachusetts 02215, United States
| | - Francis J Doyle
- Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Allston, Massachusetts 02134, United States.,Sansum Diabetes Research Institute, Santa Barbara, California 93105, United States
| | - Mary-Elizabeth Patti
- Joslin Diabetes Center, Harvard Medical School, Boston, Massachusetts 02215, United States
| | - Eyal Dassau
- Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Allston, Massachusetts 02134, United States.,Sansum Diabetes Research Institute, Santa Barbara, California 93105, United States
| | - Joseph Wang
- Department of Nanoengineering, University of California San Diego, La Jolla, California 92093, United States
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54
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Tang T, Liu Y, Jiang Y. Recent Progress on Highly Selective and Sensitive Electrochemical Aptamer-based Sensors. Chem Res Chin Univ 2022; 38:866-878. [PMID: 35530120 PMCID: PMC9069955 DOI: 10.1007/s40242-022-2084-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 04/10/2022] [Indexed: 12/31/2022]
Abstract
Highly selective, sensitive, and stable biosensors are essential for the molecular level understanding of many physiological activities and diseases. Electrochemical aptamer-based (E-AB) sensor is an appealing platform for measurement in biological system, attributing to the combined advantages of high selectivity of the aptamer and high sensitivity of electrochemical analysis. This review summarizes the latest development of E-AB sensors, focuses on the modification strategies used in the fabrication of sensors and the sensing strategies for analytes of different sizes in biological system, and then looks forward to the challenges and prospects of the future development of electrochemical aptamer-based sensors.
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Affiliation(s)
- Tianwei Tang
- College of Chemistry, Beijing Normal University, Beijing, 100875 P. R. China
| | - Yinghuan Liu
- College of Chemistry, Beijing Normal University, Beijing, 100875 P. R. China
| | - Ying Jiang
- College of Chemistry, Beijing Normal University, Beijing, 100875 P. R. China
- Beijing National Laboratory for Molecular Sciences, Beijing, 100190 P. R. China
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55
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Paul Kunnel B, Demuru S. An epidermal wearable microfluidic patch for simultaneous sampling, storage, and analysis of biofluids with counterion monitoring. LAB ON A CHIP 2022; 22:1793-1804. [PMID: 35316321 DOI: 10.1039/d2lc00183g] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Simultaneous access to different biofluids enables an accurate analysis of multiple analytes, leading to a precision diagnosis and appropriate medication. Additionally, establishing a relationship between various markers in different biofluids and their correlation to biomarkers in blood allows the development of an algorithmic approach, which aids non-invasive diagnosis through single parameter monitoring. However, the main bottleneck that exists in multiple biofluid analyses for its clinical implementation is the requirement of an advanced microfluidic coupled device design, which empowers simultaneous collection and monitoring. To tackle this challenge, an epidermal wearable bio-fluidic patch that facilitates simultaneous on-demand extraction, sampling, and storage of sweat and interstitial fluid (ISF) together with monitoring of their corresponding counterions is presented. The clean room free development of a biofluidic patch is realized through 3D integration of laser patterned optimized microfluidic structures, a low-cost screen-printed stimulation module, and a potentiometric chloride (Cl-) and calcium (Ca2+) ion sensing module for adequate dual biofluid sampling and analysis. The developed Cl- and Ca2+ ion-selective sensors exhibit good repeatability, selectivity, acceptable stability, and sensitivity. The proof-of-concept demonstration of the fabricated patch for simultaneous dual-sampling, storage, and monitoring of the sweat Cl- and ISF Ca2+ on a healthy volunteer during different periods of the day leverages its potential in real-time personalized healthcare clinical usages. Furthermore, the patch's electronic interface and use of wireless transmission facilitates a point-of-care non-invasive lab-on-skin application for monitoring the health status of individuals.
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Affiliation(s)
- Brince Paul Kunnel
- Soft Transducers Laboratory, École Polytechnique Fédérale de Lausanne (EPFL), 2000 Neuchatel, Switzerland
- Micro & Nano systems Centre, Tyndall National Institute, T12 R5CP Cork, Ireland.
| | - Silvia Demuru
- Soft Transducers Laboratory, École Polytechnique Fédérale de Lausanne (EPFL), 2000 Neuchatel, Switzerland
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56
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Kelley SO. Challenges and Opportunities for Wearable Sensing Systems. ACS Sens 2022; 7:345-346. [PMID: 35209717 DOI: 10.1021/acssensors.2c00284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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57
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Zhao H, Su R, Teng L, Tian Q, Han F, Li H, Cao Z, Xie R, Li G, Liu X, Liu Z. Recent advances in flexible and wearable sensors for monitoring chemical molecules. NANOSCALE 2022; 14:1653-1669. [PMID: 35040855 DOI: 10.1039/d1nr06244a] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
In recent years, real-time health management has received increasing attention, benefiting from the rapid development of flexible and wearable devices. Conventionally, flexible and wearable devices are used for collecting health data such as electrophysiological signals, blood pressure, heart rate, etc. The monitoring of chemical factors has shown growing significance, providing the basis for the screening, diagnosis, and treatment of many diseases. Nowadays, in order to understand the health status of the human body more comprehensively and accurately, researchers in the community have started putting effort into developing wearable devices for monitoring chemical factors. Progressively, more flexible chemical sensors with wearable real-time health-monitoring functionality have been developed thanks to advances relating to wireless communications and flexible electronics. In this review, we describe the variety of chemical molecules and information that can currently be monitored, including pH levels, glucose, lactate, uric acid, ion levels, cytokines, nutrients, and other biomarkers. This review analyzes the pros and cons of the most advanced wearable chemical sensors in terms of wearability. At the end of this review, we discuss the current challenges and development trends relating to flexible and wearable chemical sensors from the aspects of materials, electrode designs, and soft-hard interface connections.
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Affiliation(s)
- Hang Zhao
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China.
- Neural Engineering Center, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, PR China.
| | - Rui Su
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences, Shenzhen 518055, PR China
| | - Lijun Teng
- Neural Engineering Center, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, PR China.
| | - Qiong Tian
- Neural Engineering Center, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, PR China.
| | - Fei Han
- Neural Engineering Center, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, PR China.
| | - Hanfei Li
- Neural Engineering Center, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, PR China.
| | - Zhengshuai Cao
- Center for Opto-Electronic Engineering and Technology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, PR China
| | - Ruijie Xie
- Neural Engineering Center, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, PR China.
| | - Guanglin Li
- Neural Engineering Center, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, PR China.
| | - Xijian Liu
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China.
| | - Zhiyuan Liu
- Neural Engineering Center, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, PR China.
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58
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HASEBE Y, WANG Y. Electrochemical Flow Injection Analysis Biosensors Using Biomolecules-immobilized Carbon Felt. BUNSEKI KAGAKU 2022. [DOI: 10.2116/bunsekikagaku.71.13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Yasushi HASEBE
- Department of Life Science and Green Chemistry, Faculty of Engineering, Saitama Institute of Technology
| | - Yue WANG
- School of Chemical Engineering, University of Science and Technology Liaoning
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59
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Lin T, Xu Y, Zhao A, He W, Xiao F. Flexible electrochemical sensors integrated with nanomaterials for in situ determination of small molecules in biological samples: A review. Anal Chim Acta 2022; 1207:339461. [DOI: 10.1016/j.aca.2022.339461] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 01/05/2022] [Accepted: 01/06/2022] [Indexed: 12/15/2022]
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60
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Dou J, Shen Q, Yang Y, Song H, Shen D. A smartphone-based device for simultaneous measurement of ratiometric fluorescence and absorbance demonstrated by the determination of hypochlorous acid. NEW J CHEM 2022. [DOI: 10.1039/d2nj03106j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ratiometric fluorescence and absorbance are measured simultaneously by a smartphone-based device according to the corrected brightness ratio in a picture.
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Affiliation(s)
- Jianzhi Dou
- School of Applied Chemistry, Food and Drug, Weifang Engineering Vocational College, Qingzhou 262500, P. R. China
| | - Qirui Shen
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Shandong Normal University, Jinan 250014, P. R. China
| | - Yan Yang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Shandong Normal University, Jinan 250014, P. R. China
| | - Haiyan Song
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Shandong Normal University, Jinan 250014, P. R. China
| | - Dazhong Shen
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Shandong Normal University, Jinan 250014, P. R. China
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61
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Casado-Aranda LA, van der Laan N, Sánchez-Fernández J. Neural activity in self-related brain regions in response to tailored nutritional messages predicts dietary change. Appetite 2021; 170:105861. [PMID: 34920049 DOI: 10.1016/j.appet.2021.105861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 11/12/2021] [Accepted: 12/09/2021] [Indexed: 11/02/2022]
Abstract
Overweight and obesity have become international public health problems, so there is an urgent need to implement effective interventions that prevent these concerning health issues. Designing personalized (tailored) dietary communications has become one of the most effective tools in reducing unhealthy eating behavior, when compared with one-size-fits-all messages (untailored). However, more research is required to gain a complete understanding of the underlying mechanisms by which tailored nutritional messages elicit reductions in unhealthy dietary behavior. To the best of our knowledge, our study may be the first to use neuroimaging, namely functional magnetic resonance imaging (fMRI), aiming to evaluate the neural basis of tailored and untailored nutritional messages and assess how these neural responses predict unhealthy food intake reduction after a month receiving tailored nutritional messages. To that goal, 30 participants were scanned while reading tailored and untailored nutritional messages. Subsequently, for a month, they received tailored interventions encouraging healthy food intake. The neural findings reveal that when compared to untailored communications, tailored messages elicit brain networks associated with self-relevance, such as the precuneus, the middle temporal gyrus, the hippocampus, the inferior orbitofrontal cortex (OBC), the dorsomedial prefrontal cortex (dMPFC), and the angular gyrus. Interestingly, among these self-related brain areas, the dMPFC, OFC, angular gyrus, and hippocampus forecast reductions in unhealthy food intake after a one-month tailored intervention for the cessation of unhealthy eating. These results may offer implications for clinicians, practitioners, and/or policymakers who should implement substantial efforts in creating individualized campaigns focused on their target's perceived needs, goals, and drivers in relation to eating healthy to reduce overweight issues. This research therefore constitutes a step forward in showing a direct association between the neural responses to tailored nutritional messages and changes in real-life healthy eating behavior.
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Affiliation(s)
- Luis-Alberto Casado-Aranda
- Department of Marketing and Market Research, University of Granada, Campus Universitario La Cartuja, 18011, Granada, Spain.
| | - Nynke van der Laan
- Department of Communication and Cognition, Tilburg University, Warandelaan 2 (Dante Building), 5037 AB Tilburg, the Netherlands.
| | - Juan Sánchez-Fernández
- Department of Marketing and Market Research, University of Granada, Campus Universitario La Cartuja, 18011, Granada, Spain.
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62
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Ruiz-Valdepeñas Montiel V, Sempionatto JR, Vargas E, Bailey E, May J, Bulbarello A, Düsterloh A, Matusheski N, Wang J. Decentralized vitamin C & D dual biosensor chip: Toward personalized immune system support. Biosens Bioelectron 2021; 194:113590. [PMID: 34474278 PMCID: PMC8437685 DOI: 10.1016/j.bios.2021.113590] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 08/23/2021] [Accepted: 08/24/2021] [Indexed: 12/14/2022]
Abstract
Combating the ongoing COVID-19 pandemic has put the spotlight on nutritional support of the immune system through consumption of vitamins C and D. Accordingly, there are urgent demands for an effective on-the-spot multi-vitamin self-testing platform that monitors the levels of these immune-supporting micronutrients for guiding precision nutrition recommendations. Herein, we present a compact bioelectronic dual sensor chip aimed at frequent on-the-spot simultaneous monitoring of the salivary vitamin C and D dynamics. The new bioelectronic chip combines a new electrocatalytic vitamin C amperometric assay along with competitive vitamin D immunoassay on neighboring electrodes, to perform selective and cross-talk free detection of both vitamins in a 10-μL saliva sample within 25 min. The distinct vitamin C or D temporal profiles obtained for different individuals after vitamin supplementation indicate the potential of the new bioelectronic chip strategy for enhancing personalized nutrition towards guiding dietary interventions to meet individual nutrition needs and promote immune system health.
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Affiliation(s)
| | | | - Eva Vargas
- Dept. Nanoengineering, University of California San Diego, La Jolla, CA, 92093, USA
| | - Eileen Bailey
- DSM Nutritional Products Ltd., Kaiseraugst, 4303, Switzerland
| | - Jennifer May
- DSM Nutritional Products Ltd., Kaiseraugst, 4303, Switzerland
| | | | - André Düsterloh
- DSM Nutritional Products Ltd., Kaiseraugst, 4303, Switzerland
| | | | - Joseph Wang
- Dept. Nanoengineering, University of California San Diego, La Jolla, CA, 92093, USA.
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63
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Paschoalin RT, Gomes NO, Almeida GF, Bilatto S, Farinas CS, Machado SAS, Mattoso LHC, Oliveira ON, Raymundo-Pereira PA. Wearable sensors made with solution-blow spinning poly(lactic acid) for non-enzymatic pesticide detection in agriculture and food safety. Biosens Bioelectron 2021; 199:113875. [PMID: 34922318 DOI: 10.1016/j.bios.2021.113875] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 11/19/2021] [Accepted: 12/07/2021] [Indexed: 12/12/2022]
Abstract
On-site monitoring the presence of pesticides on crops and food samples is essential for precision and post-harvest agriculture, which demands nondestructive analytical methods for rapid, low-cost detection that is not achievable with gold standard methods. The synergy between eco-friendly substrates and printed devices may lead to wearable sensors for decentralized analysis of pesticides in precision agriculture. In this paper we report on a wearable non-enzymatic electrochemical sensor capable of detecting carbamate and bipyridinium pesticides on the surface of agricultural and food samples. The low-cost devices (<US$ 0.08 per unit) contained three-electrode systems deposited via screen-printing technology (SPE) on solution-blow spinning mats of poly (lactic acid) (PLA). The flexible PLA/SPE sensors can be used on flat, curved and irregular surfaces of leaves, vegetables and fruits. Detection was performed using differential pulse voltammetry and square wave voltammetry with detection limits of 43 and 57 nM for carbendazim and diquat, respectively. The wearable non-enzymatic sensor can discriminate and quantify carbendazim and diquat on apple and cabbage skins with no interference from other pesticides. The use of such wearable sensors may be extended to other agrochemicals, including with incorporation of active bio (sensing) layers for online monitoring of any type of agricultural products and foods.
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Affiliation(s)
- Rafaella T Paschoalin
- São Carlos Institute of Physics, University of São Paulo, CEP 13560-970, São Carlos, SP, Brazil
| | - Nathalia O Gomes
- São Carlos Institute of Chemistry, University of São Paulo, CEP 13566-590, São Carlos, SP, Brazil
| | - Gabriela F Almeida
- Nanotechnology National Laboratory for Agribusiness (LNNA), Embrapa Instrumentation, 13560-970, São Carlos, SP, Brazil
| | - Stanley Bilatto
- Nanotechnology National Laboratory for Agribusiness (LNNA), Embrapa Instrumentation, 13560-970, São Carlos, SP, Brazil
| | - Cristiane S Farinas
- Nanotechnology National Laboratory for Agribusiness (LNNA), Embrapa Instrumentation, 13560-970, São Carlos, SP, Brazil
| | - Sergio A S Machado
- São Carlos Institute of Chemistry, University of São Paulo, CEP 13566-590, São Carlos, SP, Brazil
| | - Luiz H C Mattoso
- Nanotechnology National Laboratory for Agribusiness (LNNA), Embrapa Instrumentation, 13560-970, São Carlos, SP, Brazil
| | - Osvaldo N Oliveira
- São Carlos Institute of Physics, University of São Paulo, CEP 13560-970, São Carlos, SP, Brazil
| | - Paulo A Raymundo-Pereira
- São Carlos Institute of Physics, University of São Paulo, CEP 13560-970, São Carlos, SP, Brazil.
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64
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Jiang Y, Yang Y, Shen L, Ma J, Ma H, Zhu N. Recent Advances of Prussian Blue-Based Wearable Biosensors for Healthcare. Anal Chem 2021; 94:297-311. [PMID: 34874165 DOI: 10.1021/acs.analchem.1c04420] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yu Jiang
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China.,Jiangsu Key Laboratory of Hazardous Chemicals Safety and Control, College of Safety Science and Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Yupeng Yang
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Liuxue Shen
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Junlin Ma
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Hongting Ma
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Nan Zhu
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
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65
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Parrilla M, Vanhooydonck A, Watts R, De Wael K. Wearable wristband-based electrochemical sensor for the detection of phenylalanine in biofluids. Biosens Bioelectron 2021; 197:113764. [PMID: 34753096 DOI: 10.1016/j.bios.2021.113764] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 10/16/2021] [Accepted: 10/31/2021] [Indexed: 01/08/2023]
Abstract
Wearable electrochemical sensors are driven by the user-friendly capability of on-site detection of key biomarkers for health management. Despite the advances in biomolecule monitoring such as glucose, still, several unmet clinical challenges need to be addressed. For example, patients suffering from phenylketonuria (PKU) should be able to monitor their phenylalanine (PHE) level in a rapid, decentralized, and affordable manner to avoid high levels of PHE in the body which can lead to a profound and irreversible mental disability. Herein, we report a wearable wristband electrochemical sensor for the monitoring of PHE tackling the necessity of controlling PHE levels in PHE hydroxylase deficiency patients. The proposed electrochemical sensor is based on a screen-printed electrode (SPE) modified with a membrane consisting of Nafion, to avoid interferences in biofluids. The membrane also consists of sodium 1,2-naphthoquinone-4-sulphonate for the in situ derivatization of PHE into an electroactive product, allowing its electrochemical oxidation at the surface of the SPE in alkaline conditions. Importantly, the electrochemical sensor is integrated into a wristband configuration to enhance user interaction and engage the patient with PHE self-monitoring. Besides, a paper-based sampling strategy is designed to alkalinize the real sample without the need for sample pretreatment, and thus simplify the analytical process. Finally, the wearable device is tested for the determination of PHE in saliva and blood serum. The proposed wristband-based sensor is expected to impact the PKU self-monitoring, facilitating the daily lives of PKU patients toward optimal therapy and disease management.
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Affiliation(s)
- Marc Parrilla
- A-Sense Lab, Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Andres Vanhooydonck
- Product Development Research Group, Faculty of Design Sciences, University of Antwerp, Ambtmanstraat 1, 2000, Antwerp, Belgium
| | - Regan Watts
- Product Development Research Group, Faculty of Design Sciences, University of Antwerp, Ambtmanstraat 1, 2000, Antwerp, Belgium
| | - Karolien De Wael
- A-Sense Lab, Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium.
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