{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,11]],"date-time":"2026-09-11T11:10:48Z","timestamp":1789125048066,"version":"build-2803163510"},"reference-count":143,"publisher":"MDPI AG","issue":"18","license":[{"start":{"date-parts":[[2026,9,11]],"date-time":"2026-09-11T00:00:00Z","timestamp":1789084800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Junta de Andaluc\u00eda\u2014Consejer\u00eda de Universidad, Investigaci\u00f3n e Innovaci\u00f3n","award":["ProyExcel_00268"],"award-info":[{"award-number":["ProyExcel_00268"]}]},{"name":"Junta de Andaluc\u00eda\u2014Consejer\u00eda de Universidad, Investigaci\u00f3n e Innovaci\u00f3n","award":["PID2020-117344RB-I00"],"award-info":[{"award-number":["PID2020-117344RB-I00"]}]},{"award":["ProyExcel_00268"],"award-info":[{"award-number":["ProyExcel_00268"]}],"id":[{"id":"https:\/\/ror.org\/02nkg1w23","id-type":"ROR","asserted-by":"publisher"}]},{"award":["PID2020-117344RB-I00"],"award-info":[{"award-number":["PID2020-117344RB-I00"]}],"id":[{"id":"https:\/\/ror.org\/02nkg1w23","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>On-skin non-invasive Wearable Health-Monitoring Devices (WHMDs) have rapidly evolved from laboratory prototypes into commercially viable systems capable of continuously tracking physiological and biochemical signals. By integrating epidermal temperature sensors, electrophysiological electrodes, biochemical sensing platforms, low-power electronics, and wireless communication technologies, these systems are emerging as key enablers of personalized and decentralized healthcare through the continuous acquisition of clinically relevant information directly from the skin surface. In this Perspective, we present our view on the state-of-the-art across the key technological pillars that define modern on-skin WHMDs, including non-invasive sensing strategies, advanced materials, processing and wireless communication units, energy-storage solutions, energy-harvesting techniques, and power-management architectures, with a particular focus on technologies that have already reached high Technology Readiness Levels (TRLs). We highlight how the next-generation of on-skin WHMDs must balance performance with sustainability and long-term reliability. This includes the adoption of biodegradable and recyclable materials, low-power and reconfigurable electronics, solid-state batteries, and hybrid energy-harvesting systems. By aligning technological innovation with human-centric and eco-friendly design principles, on-skin WHMDs can evolve into scalable, equitable, and environmentally responsible tools for future digital healthcare.<\/jats:p>","DOI":"10.3390\/s26185770","type":"journal-article","created":{"date-parts":[[2026,9,11]],"date-time":"2026-09-11T10:51:37Z","timestamp":1789123897000},"page":"5770","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["On-Skin Wearable Health Monitoring Devices: Recent Trends and Perspectives"],"prefix":"10.3390","volume":"26","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1582-9626","authenticated-orcid":false,"given":"Francisco J.","family":"Romero","sequence":"first","affiliation":[{"name":"Department of Electronics and Computer Technology, Faculty of Sciences, University of Granada, 18071 Granada, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3997-9191","authenticated-orcid":false,"given":"Isabel","family":"Blasco-Pascual","sequence":"additional","affiliation":[{"name":"Department of Analytical Chemistry, Faculty of Sciences, University of Granada, 18071 Granada, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1360-6699","authenticated-orcid":false,"given":"Alfonso","family":"Salinas-Castillo","sequence":"additional","affiliation":[{"name":"Department of Analytical Chemistry, Faculty of Sciences, University of Granada, 18071 Granada, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6032-6921","authenticated-orcid":false,"given":"Noel","family":"Rodr\u00edguez","sequence":"additional","affiliation":[{"name":"Department of Electronics and Computer Technology, Faculty of Sciences, University of Granada, 18071 Granada, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3294-8934","authenticated-orcid":false,"given":"Diego P.","family":"Morales","sequence":"additional","affiliation":[{"name":"Department of Electronics and Computer Technology, Faculty of Sciences, University of Granada, 18071 Granada, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,9,11]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"735","DOI":"10.1038\/s41928-024-01247-4","article-title":"Hybrid Multimodal Wearable Sensors for Comprehensive Health Monitoring","volume":"7","author":"Mahato","year":"2024","journal-title":"Nat. Electron."},{"key":"ref_2","doi-asserted-by":"crossref","unstructured":"Yang, S.-M., Lv, S., Zhang, W., and Cui, Y. (2022). Microfluidic Point-of-Care (POC) Devices in Early Diagnosis: A Review of Opportunities and Challenges. Sensors, 22.","DOI":"10.3390\/s22041620"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"101092","DOI":"10.1016\/j.nantod.2021.101092","article-title":"Point-of-Care Diagnostics for Infectious Diseases: From Methods to Devices","volume":"37","author":"Wang","year":"2021","journal-title":"Nano Today"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"25","DOI":"10.1007\/s40820-025-01871-5","article-title":"On-Skin Epidermal Electronics for Next-Generation Health Management","volume":"18","author":"Xu","year":"2026","journal-title":"Nano-Micro Lett."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"2402432","DOI":"10.1002\/adfm.202402432","article-title":"Poly(N-isopropylacrylamide) and Its Copolymers: A Review on Recent Advances in the Areas of Sensing and Biosensing","volume":"34","author":"Das","year":"2024","journal-title":"Adv. Funct. Mater."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"3093","DOI":"10.1021\/acsmaterialslett.3c00800","article-title":"Recent Advances in Interactive Mechanosensory Electronics with Luminescence\/Coloration Outputs for Wearable Applications","volume":"5","author":"Zhao","year":"2023","journal-title":"ACS Mater. Lett."},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"47","DOI":"10.1021\/acsabm.0c00798","article-title":"Wearable Sensing Devices for Point of Care Diagnostics","volume":"4","author":"Mondal","year":"2021","journal-title":"ACS Appl. Bio Mater."},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"159","DOI":"10.1109\/JFLEX.2024.3405895","article-title":"Graphene-Enabled Wearable for Remote ECG and Body Temperature Monitoring","volume":"3","author":"Toral","year":"2024","journal-title":"IEEE Flex. Electron."},{"key":"ref_9","doi-asserted-by":"crossref","unstructured":"Seba, A., Istrate, D., Guettari, T., Ugon, A., Pinna, A., and Garda, P. (2017). Thermal-Signature-Based Sleep Analysis Sensor. Informatics, 4.","DOI":"10.20944\/preprints201704.0169.v1"},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"2158","DOI":"10.1109\/JBHI.2021.3124551","article-title":"Wearable Personal Core Body Temperature Measurement Considering Individual Differences and Dynamic Tissue Blood Perfusion","volume":"26","author":"Shan","year":"2022","journal-title":"IEEE J. Biomed. Health Inform."},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"1602790","DOI":"10.1002\/smll.201602790","article-title":"Flexible Sensing Electronics for Wearable\/Attachable Health Monitoring","volume":"13","author":"Wang","year":"2017","journal-title":"Small"},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"3844","DOI":"10.1109\/JSEN.2022.3142328","article-title":"Recent Progress in Printed Physical Sensing Electronics for Wearable Health-Monitoring Devices: A Review","volume":"22","author":"Ma","year":"2022","journal-title":"IEEE Sens. J."},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"102736","DOI":"10.1016\/j.isci.2021.102736","article-title":"Paper-Based Wearable Electronics","volume":"24","author":"Xu","year":"2021","journal-title":"iScience"},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"19","DOI":"10.1007\/s44347-025-00031-7","article-title":"Review on Sustainable Flexible Electronics: Exploring the Potential of Chitosan, Cellulose Starch, Silk Fibroin and Gelatin","volume":"2","author":"Shaji","year":"2025","journal-title":"Discov. Polym."},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"110908","DOI":"10.1016\/j.nanoen.2025.110908","article-title":"Ultra-Stretchable, Tough, and Self-Healing Polyurethane with Tunable Microphase Separation for Flexible Wearable Electronics","volume":"139","author":"Tian","year":"2025","journal-title":"Nano Energy"},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"148","DOI":"10.1016\/j.sna.2018.03.014","article-title":"Design Guidelines of Laser Reduced Graphene Oxide Conformal Thermistor for IoT Applications","volume":"274","author":"Romero","year":"2018","journal-title":"Sens. Actuators A Phys."},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"035010","DOI":"10.1088\/2058-8585\/ad7c5e","article-title":"Flexible Thermistors Based on Laser-Induced Graphene from Polyetherimide","volume":"9","author":"Houeix","year":"2024","journal-title":"Flex. Print. Electron."},{"key":"ref_18","first-page":"103654","article-title":"3D Printing of High-Temperature Thick Film Platinum Resistance Temperature Detector Array","volume":"73","author":"Zeng","year":"2023","journal-title":"Addit. Manuf."},{"key":"ref_19","doi-asserted-by":"crossref","first-page":"114777","DOI":"10.1016\/j.sna.2023.114777","article-title":"Aerosol Jet Printed Resistive Temperature Sensors with High Sensitivity","volume":"364","author":"Tursunniyaz","year":"2023","journal-title":"Sens. Actuators A Phys."},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"2467","DOI":"10.1038\/s41598-020-59432-2","article-title":"Fully Printed PEDOT:PSS-Based Temperature Sensor with High Humidity Stability for Wireless Healthcare Monitoring","volume":"10","author":"Wang","year":"2020","journal-title":"Sci. Rep."},{"key":"ref_21","doi-asserted-by":"crossref","unstructured":"Monea, B.F., Ionete, E.I., Spiridon, S.I., Ion-Ebrasu, D., and Petre, E. (2019). Carbon Nanotubes and Carbon Nanotube Structures Used for Temperature Measurement. Sensors, 19.","DOI":"10.3390\/s19112464"},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"36","DOI":"10.1038\/s41528-022-00174-8","article-title":"Soft, Stretchable Thermal Protective Substrates for Wearable Electronics","volume":"6","author":"Nie","year":"2022","journal-title":"npj Flex. Electron."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"1702390","DOI":"10.1002\/adfm.201702390","article-title":"Biodegradable and Highly Deformable Temperature Sensors for the Internet of Things","volume":"27","author":"Salvatore","year":"2017","journal-title":"Adv. Funct. Mater."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"4784","DOI":"10.1007\/s10854-020-05217-2","article-title":"Wearable Temperature Sensor for Human Body Temperature Detection","volume":"32","author":"Kuzubasoglu","year":"2021","journal-title":"J. Mater. Sci. Mater. Electron."},{"key":"ref_25","doi-asserted-by":"crossref","first-page":"6317","DOI":"10.1038\/s41467-024-50789-w","article-title":"Enhanced Aerosol-Jet Printing Using Annular Acoustic Field for High Resolution and Minimal Overspray","volume":"15","author":"Ma","year":"2024","journal-title":"Nat. Commun."},{"key":"ref_26","doi-asserted-by":"crossref","unstructured":"Gugliandolo, G., Alimenti, A., Latino, M., Crupi, G., Torokhtii, K., Silva, E., and Donato, N. (2023). Inkjet-Printed Interdigitated Capacitors for Sensing Applications: Temperature-Dependent Electrical Characterization at Cryogenic Temperatures down to 20 K. Instruments, 7.","DOI":"10.3390\/instruments7030020"},{"key":"ref_27","doi-asserted-by":"crossref","unstructured":"Fu, Y., Zhao, J., Dong, Y., and Wang, X. (2020). Dry Electrodes for Human Bioelectrical Signal Monitoring. Sensors, 20.","DOI":"10.3390\/s20133651"},{"key":"ref_28","doi-asserted-by":"crossref","first-page":"1472","DOI":"10.1109\/TBME.2012.2190288","article-title":"CNT\/PDMS Composite Flexible Dry Electrodesfor Long-Term ECG Monitoring","volume":"59","author":"Jung","year":"2012","journal-title":"IEEE Trans. Biomed. Eng."},{"key":"ref_29","doi-asserted-by":"crossref","first-page":"108","DOI":"10.1109\/JFLEX.2024.3367648","article-title":"Multiwall Carbon Nanotube\/Polydimethylsiloxane Composites-Based Dry Electrodes for Bio-Signal Detection","volume":"3","author":"Sharma","year":"2024","journal-title":"IEEE J. Flex. Electron."},{"key":"ref_30","doi-asserted-by":"crossref","first-page":"644","DOI":"10.1109\/TNANO.2024.3459931","article-title":"Reduced Graphene Oxide-Polydimethylsiloxane Based Flexible Dry Electrodes for Electrophysiological Signal Monitoring","volume":"23","author":"Baloda","year":"2024","journal-title":"IEEE Trans. Nanotechnol."},{"key":"ref_31","doi-asserted-by":"crossref","first-page":"7774","DOI":"10.1109\/JSEN.2020.2981262","article-title":"Optimization of Reduced GO-Based Cotton Electrodes for Wearable Electrocardiography","volume":"20","author":"Saleh","year":"2020","journal-title":"IEEE Sens. J."},{"key":"ref_32","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1038\/s41528-019-0056-2","article-title":"Inexpensive and Flexible Nanographene-Based Electrodes for Ubiquitous Electrocardiogram Monitoring","volume":"3","author":"Romero","year":"2019","journal-title":"npj Flex. Electron."},{"key":"ref_33","doi-asserted-by":"crossref","first-page":"197","DOI":"10.1007\/s00339-024-07353-6","article-title":"Optimization of Dry Laser-Induced Graphene (LIG) Electrodes for Electrocardiography (ECG) Signals Monitoring","volume":"130","author":"Gerardo","year":"2024","journal-title":"Appl. Phys. A"},{"key":"ref_34","doi-asserted-by":"crossref","first-page":"2300767","DOI":"10.1002\/aelm.202300767","article-title":"Dry Laser-Induced Graphene Fractal-like ECG Electrodes","volume":"10","author":"Houeix","year":"2024","journal-title":"Adv. Electron. Mater."},{"key":"ref_35","doi-asserted-by":"crossref","first-page":"8882","DOI":"10.1038\/s41598-024-56595-0","article-title":"ECG Signal Quality in Intermittent Long-Term Dry Electrode Recordings with Controlled Motion Artifacts","volume":"14","author":"Joutsen","year":"2024","journal-title":"Sci. Rep."},{"key":"ref_36","doi-asserted-by":"crossref","unstructured":"Tessier, A., Zhuo, S., and Ameri, S.K. (2024). Ultrasoft Long-Lasting Reusable Hydrogel-Based Sensor Patch for Biosignal Recording. Biosensors, 14.","DOI":"10.20944\/preprints202407.1104.v1"},{"key":"ref_37","doi-asserted-by":"crossref","unstructured":"Thap, T., Yoon, K.-H., and Lee, J. (2016). Graphite Based Electrode for ECG Monitoring: Evaluation under Freshwater and Saltwater Conditions. Sensors, 16.","DOI":"10.3390\/s16040542"},{"key":"ref_38","doi-asserted-by":"crossref","first-page":"127789","DOI":"10.1109\/ACCESS.2020.3008945","article-title":"Cost-Effective Printed Electrodes Based on Emerging Materials Applied to Biosignal Acquisition","volume":"8","author":"Toral","year":"2020","journal-title":"IEEE Access"},{"key":"ref_39","doi-asserted-by":"crossref","first-page":"2205956","DOI":"10.1002\/adfm.202205956","article-title":"Multi-Electrode Printed Bioelectronic Patches for Long-Term Electrophysiological Monitoring","volume":"32","author":"Carneiro","year":"2022","journal-title":"Adv. Funct. Mater."},{"key":"ref_40","doi-asserted-by":"crossref","first-page":"eadl1856","DOI":"10.1126\/sciadv.adl1856","article-title":"Coin-Sized, Fully Integrated, and Minimally Invasive Continuous Glucose Monitoring System Based on Organic Electrochemical Transistors","volume":"10","author":"Bai","year":"2024","journal-title":"Sci. Adv."},{"key":"ref_41","doi-asserted-by":"crossref","first-page":"881","DOI":"10.1038\/s41551-018-0329-4","article-title":"Coated Glucose Sensors Dodge Recalibration","volume":"2","author":"Zhang","year":"2018","journal-title":"Nat. Biomed. Eng."},{"key":"ref_42","doi-asserted-by":"crossref","first-page":"160","DOI":"10.1038\/s41928-018-0043-y","article-title":"Wearable Sweat Sensors","volume":"1","author":"Bariya","year":"2018","journal-title":"Nat. Electron."},{"key":"ref_43","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1038\/s41378-022-00443-6","article-title":"Wearable and Flexible Electrochemical Sensors for Sweat Analysis: A Review","volume":"9","author":"Gao","year":"2023","journal-title":"Microsyst. Nanoeng."},{"key":"ref_44","doi-asserted-by":"crossref","first-page":"18","DOI":"10.1109\/MIM.2024.10423658","article-title":"Measurement and Applications: Electrochemical Sensors and Instruments: Main Characteristics and Applications","volume":"27","author":"Pereira","year":"2024","journal-title":"IEEE Instrum. Meas. Mag."},{"key":"ref_45","doi-asserted-by":"crossref","first-page":"8644","DOI":"10.1021\/acs.analchem.9b02126","article-title":"Wearable Potentiometric Ion Patch for On-Body Electrolyte Monitoring in Sweat: Toward a Validation Strategy to Ensure Physiological Relevance","volume":"91","author":"Parrilla","year":"2019","journal-title":"Anal. Chem."},{"key":"ref_46","unstructured":"Goh, P.S., Ng, B.C., and Ismail, A.F. (2015). Emerging Applications of Functionalized Carbon-Based Nanomaterials. Chemical Functionalization of Carbon Nanomaterials, CRC Press."},{"key":"ref_47","doi-asserted-by":"crossref","first-page":"8194","DOI":"10.1039\/D5MH00569H","article-title":"Integrated Iontophoresis and Sweat Sensing via Paper-Derived Laser-Induced Graphene Soft Conductors","volume":"12","author":"Pinheiro","year":"2025","journal-title":"Mater. Horiz."},{"key":"ref_48","doi-asserted-by":"crossref","unstructured":"Acevedo, C.M.D., G\u00f3mez, J.K.C., Vasquez, C.A.C., and Ramos, J. (2024). Prostate Cancer Detection in Colombian Patients through E-Senses Devices in Exhaled Breath and Urine Samples. Chemosensors, 12.","DOI":"10.3390\/chemosensors12010011"},{"key":"ref_49","doi-asserted-by":"crossref","unstructured":"Dogan, M., Nazir, S., Jenkins, D., Wei, Y., and Pan, G. (2025). Electrochemical Detection of A\u03b242 and A\u03b240 at Attomolar Scale via Optimised Antibody Loading on Pyr-NHS-Functionalised 3D Graphene Foam Electrodes. Biosensors, 15.","DOI":"10.3390\/bios15120806"},{"key":"ref_50","doi-asserted-by":"crossref","first-page":"13720","DOI":"10.1038\/s41598-019-49689-7","article-title":"Printed, Flexible Lactate Sensors: Design Considerations Before Performing On-Body Measurements","volume":"9","author":"Payne","year":"2019","journal-title":"Sci. Rep."},{"key":"ref_51","doi-asserted-by":"crossref","first-page":"eadw9024","DOI":"10.1126\/sciadv.adw9024","article-title":"A Bioinspired Microfluidic Wearable Sensor for Multiday Sweat Sampling, Transport, and Metabolic Analysis","volume":"11","author":"Shin","year":"2025","journal-title":"Sci. Adv."},{"key":"ref_52","doi-asserted-by":"crossref","first-page":"4405","DOI":"10.1038\/s41467-020-18238-6","article-title":"A Programmable Epidermal Microfluidic Valving System for Wearable Biofluid Management and Contextual Biomarker Analysis","volume":"11","author":"Lin","year":"2020","journal-title":"Nat. Commun."},{"key":"ref_53","doi-asserted-by":"crossref","first-page":"950","DOI":"10.1038\/s44222-023-00094-w","article-title":"Wearable Flexible Microfluidic Sensing Technologies","volume":"1","author":"Chen","year":"2023","journal-title":"Nat. Rev. Bioeng."},{"key":"ref_54","doi-asserted-by":"crossref","first-page":"102389","DOI":"10.1016\/j.xcrp.2024.102389","article-title":"An Integrated, Wearable Paper Microfluidic Array Device for Multicomponent Electrochemical Sweat Sensing","volume":"6","author":"Yu","year":"2025","journal-title":"Cell Rep. Phys. Sci."},{"key":"ref_55","doi-asserted-by":"crossref","first-page":"2412726","DOI":"10.1002\/advs.202412726","article-title":"High-Conductivity, Self-Healing, and Adhesive Ionic Hydrogels for Health Monitoring and Human-Machine Interactions Under Extreme Cold Conditions","volume":"12","author":"Han","year":"2025","journal-title":"Adv. Sci."},{"key":"ref_56","doi-asserted-by":"crossref","first-page":"1288","DOI":"10.1016\/j.jcis.2024.10.069","article-title":"Superhydrophobic and Super-Stretchable Conductive Composite Hydrogels for Human Motion Monitoring in Complex Condition","volume":"679","author":"Wang","year":"2025","journal-title":"J. Colloid Interface Sci."},{"key":"ref_57","doi-asserted-by":"crossref","first-page":"e20644","DOI":"10.1002\/adma.202520644","article-title":"Multifunctional Hydrogel Interfaces: Reshaping the Future of Flexible Electronics","volume":"38","author":"Song","year":"2026","journal-title":"Adv. Mater."},{"key":"ref_58","doi-asserted-by":"crossref","first-page":"102936","DOI":"10.1016\/j.mtchem.2025.102936","article-title":"Conductive Hydrogels: Synergistic Optimization of Structure-Property-Application in Wearable Sensors","volume":"48","author":"Qi","year":"2025","journal-title":"Mater. Today Chem."},{"key":"ref_59","doi-asserted-by":"crossref","first-page":"5049","DOI":"10.1021\/acs.chemrev.2c00823","article-title":"Skin-Interfaced Wearable Sweat Sensors for Precision Medicine","volume":"123","author":"Min","year":"2023","journal-title":"Chem. Rev."},{"key":"ref_60","doi-asserted-by":"crossref","first-page":"100527","DOI":"10.1016\/j.sbsr.2022.100527","article-title":"Machine Learning Guided Electrochemical Sensor for Passive Sweat Cortisol Detection","volume":"38","author":"Shahub","year":"2022","journal-title":"Sens. Bio-Sens. Res."},{"key":"ref_61","doi-asserted-by":"crossref","unstructured":"Zhang, Z. (2026). Machine-Learning-Enabled Hydrogel Biosensors for Wearable Health Monitoring. Gels, 12.","DOI":"10.3390\/gels12050449"},{"key":"ref_62","doi-asserted-by":"crossref","unstructured":"Jiang, Y., Samuel, O., Liu, X., Wang, X., Idowu, P., Li, P., Chen, F., Zhu, M., Geng, Y., and Wu, F. (2018). Effective Biopotential Signal Acquisition: Comparison of Different Shielded Drive Technologies. Appl. Sci., 8.","DOI":"10.3390\/app8020276"},{"key":"ref_63","doi-asserted-by":"crossref","unstructured":"Wang, P., Yi, T., and Hong, Z. (2021). High-Input-Impedance Amplifiers Design for Dry-Electrode Biopotential Acquisition: A Review. Proceedings of the 2021 IEEE 14th International Conference on ASIC (ASICON), Kunming, China, 26 October 2021, IEEE.","DOI":"10.1109\/ASICON52560.2021.9620463"},{"key":"ref_64","doi-asserted-by":"crossref","first-page":"348","DOI":"10.1109\/JTEHM.2024.3368291","article-title":"A Wavelet-Based Approach for Motion Artifact Reduction in Ambulatory Seismocardiography","volume":"12","author":"Skoric","year":"2024","journal-title":"IEEE J. Transl. Eng. Health Med."},{"key":"ref_65","doi-asserted-by":"crossref","first-page":"128","DOI":"10.1049\/htl2.12016","article-title":"Motion Artefact Removal in Electroencephalography and Electrocardiography by Using Multichannel Inertial Measurement Units and Adaptive Filtering","volume":"8","author":"Beach","year":"2021","journal-title":"Healthc. Tech. Lett."},{"key":"ref_66","doi-asserted-by":"crossref","first-page":"111744","DOI":"10.1016\/j.measurement.2022.111744","article-title":"A Versatile Wearable Based on Reconfigurable Hardware for Biomedical Measurements","volume":"201","author":"Toral","year":"2022","journal-title":"Measurement"},{"key":"ref_67","doi-asserted-by":"crossref","first-page":"5093","DOI":"10.1109\/JIOT.2020.3048282","article-title":"Smart Bandage With Wireless Strain and Temperature Sensors and Batteryless NFC Tag","volume":"8","author":"Escobedo","year":"2021","journal-title":"IEEE Internet Things J."},{"key":"ref_68","doi-asserted-by":"crossref","first-page":"120566","DOI":"10.1016\/j.measurement.2026.120566","article-title":"ECG Analog Front End Circuit-A Review","volume":"267","author":"Wang","year":"2026","journal-title":"Measurement"},{"key":"ref_69","doi-asserted-by":"crossref","first-page":"1066","DOI":"10.1109\/TBCAS.2021.3114415","article-title":"A Dynamically Reconfigurable ECG Analog Front-End With a 2.5\u00d7 Data-Dependent Power Reduction","volume":"15","author":"Mondal","year":"2021","journal-title":"IEEE Trans. Biomed. Circuits Syst."},{"key":"ref_70","doi-asserted-by":"crossref","first-page":"13462","DOI":"10.1109\/JSEN.2022.3177205","article-title":"Wearable Multimodal Vital Sign Monitoring Sensor With Fully Integrated Analog Front End","volume":"22","author":"Wang","year":"2022","journal-title":"IEEE Sens. J."},{"key":"ref_71","doi-asserted-by":"crossref","unstructured":"Boumaiz, M., Ghazi, M.E., Bouayad, A., Balboul, Y., and El Bekkali, M. (2025). Energy-Efficient Strategies in Wireless Body Area Networks: A Comprehensive Survey. IoT, 6.","DOI":"10.3390\/iot6030049"},{"key":"ref_72","unstructured":"Ibrahim, M.F.R., Alkanat, T., Manthey, F., Meijer, M., Schlaefer, A., and Stelldinger, P. (2026). On-Device Inference versus Wireless Streaming: Energy-Efficient Multi-Modal Deep Learning for Wearable Cardiovascular Patches. arXiv."},{"key":"ref_73","doi-asserted-by":"crossref","first-page":"101762","DOI":"10.1016\/j.iot.2025.101762","article-title":"Integration of Hardware Security Modules into BLE Beacons: Fundamentals and Use in a Secure and Private Geofencing Application","volume":"34","author":"Parrilla","year":"2025","journal-title":"Internet Things"},{"key":"ref_74","doi-asserted-by":"crossref","first-page":"2107879","DOI":"10.1002\/smll.202107879","article-title":"Island Effect in Stretchable Inorganic Electronics","volume":"18","author":"Li","year":"2022","journal-title":"Small"},{"key":"ref_75","doi-asserted-by":"crossref","first-page":"3266","DOI":"10.1038\/ncomms4266","article-title":"Fractal Design Concepts for Stretchable Electronics","volume":"5","author":"Fan","year":"2014","journal-title":"Nat. Commun."},{"key":"ref_76","doi-asserted-by":"crossref","first-page":"2408456","DOI":"10.1002\/adma.202408456","article-title":"Materials, Structure, and Interface of Stretchable Interconnects for Wearable Bioelectronics","volume":"37","author":"Li","year":"2025","journal-title":"Adv. Mater."},{"key":"ref_77","doi-asserted-by":"crossref","first-page":"180674","DOI":"10.1109\/ACCESS.2024.3509516","article-title":"Recent Advances in WSN-Based Indoor Localization: A Systematic Review of Emerging Technologies, Methods, Challenges, and Trends","volume":"12","year":"2024","journal-title":"IEEE Access"},{"key":"ref_78","doi-asserted-by":"crossref","unstructured":"Cao, Z., and Lu, M. (2025). Advancements in Wearable Antenna Design: A Comprehensive Review of Materials, Fabrication Techniques, and Future Trends in Wireless Communication. Micromachines, 16.","DOI":"10.3390\/mi16091028"},{"key":"ref_79","doi-asserted-by":"crossref","first-page":"14458","DOI":"10.1109\/ACCESS.2023.3243292","article-title":"Design, Analysis and Applications of Wearable Antennas: A Review","volume":"11","author":"Ali","year":"2023","journal-title":"IEEE Access"},{"key":"ref_80","doi-asserted-by":"crossref","unstructured":"Hussain, R., Abou-Khousa, M., Khan, M.U., and Sharawi, M.S. (2022). Multi-Standards Slot-Based Antenna Design for NB-IoT and LTE-M Applications. Proceedings of the 2022 16th European Conference on Antennas and Propagation (EuCAP), IEEE.","DOI":"10.23919\/EuCAP53622.2022.9769285"},{"key":"ref_81","doi-asserted-by":"crossref","unstructured":"Fern\u00e1ndez, A., And\u00fajar, A., and Anguera, J. (2023). Reconfigurable Multiband Antenna Booster Element under Metallic Environment for IoT Applications. Proceedings of the 2023 17th European Conference on Antennas and Propagation (EuCAP), IEEE.","DOI":"10.23919\/EuCAP57121.2023.10133210"},{"key":"ref_82","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1002\/bem.22240","article-title":"Wireless Wearables and Implants: A Dosimetry Review","volume":"41","author":"Guido","year":"2020","journal-title":"Bioelectromagnetics"},{"key":"ref_83","doi-asserted-by":"crossref","first-page":"8","DOI":"10.1038\/s41528-023-00238-3","article-title":"Wireless, Multimodal Sensors for Continuous Measurement of Pressure, Temperature, and Hydration of Patients in Wheelchair","volume":"7","author":"Cho","year":"2023","journal-title":"npj Flex. Electron."},{"key":"ref_84","doi-asserted-by":"crossref","first-page":"469","DOI":"10.1017\/S1759078715001725","article-title":"An Optimized Ink-Reducing Hollowed-out Arm Meander Dipole Antenna Structure for Printed RFID Tags","volume":"9","author":"Marindra","year":"2017","journal-title":"Int. J. Microw. Wirel. Technol."},{"key":"ref_85","doi-asserted-by":"crossref","first-page":"285","DOI":"10.3390\/telecom2030019","article-title":"Wearable Flexible Antenna for UWB On-Body and Implant Communications","volume":"2","author":"Sonkki","year":"2021","journal-title":"Telecom"},{"key":"ref_86","doi-asserted-by":"crossref","unstructured":"Chhetry, A., Kim, H., and Kim, Y.S. (2024). A Wireless Smart Adhesive Integrated with a Thin-Film Stretchable Inverted-F Antenna. Sensors, 24.","DOI":"10.3390\/s24227155"},{"key":"ref_87","doi-asserted-by":"crossref","unstructured":"Chang, Y.-H., Wu, F.-C., and Lin, H.-W. (2025). Design and Implementation of ESP32-Based Edge Computing for Object Detection. Sensors, 25.","DOI":"10.3390\/s25061656"},{"key":"ref_88","doi-asserted-by":"crossref","unstructured":"Ali, E.M., Awan, W.A., Abbas, A., Abbas, S.M., and Mohamed, H.G. (2025). Compact Frequency-Agile and Mode-Reconfigurable Antenna for C-Band, Sub-6-GHz-5G, and ISM Applications. Micromachines, 16.","DOI":"10.3390\/mi16060724"},{"key":"ref_89","doi-asserted-by":"crossref","unstructured":"Anguera, J., And\u00fajar, A., Leiva, J.L., Mass\u00f3, O., Tonnesen, J., Rindalsholt, E., Brandsegg, R., and Gaddi, R. (2021). Reconfigurable Multiband Operation for Wireless Devices Embedding Antenna Boosters. Electronics, 10.","DOI":"10.3390\/electronics10070808"},{"key":"ref_90","doi-asserted-by":"crossref","first-page":"121831","DOI":"10.1109\/ACCESS.2022.3222782","article-title":"Recent Advancement of Wearable Reconfigurable Antenna Technologies: A Review","volume":"10","author":"Musa","year":"2022","journal-title":"IEEE Access"},{"key":"ref_91","doi-asserted-by":"crossref","first-page":"e23536","DOI":"10.1002\/mmce.23536","article-title":"Concomitance of Radio Frequency Energy Harvesting and Wearable Devices: A Review of Rectenna Designs","volume":"32","author":"Rao","year":"2022","journal-title":"Int. J. RF Mic. Comp.-Aid Eng."},{"key":"ref_92","doi-asserted-by":"crossref","unstructured":"Rong, G., Zheng, Y., and Sawan, M. (2021). Energy Solutions for Wearable Sensors: A Review. Sensors, 21.","DOI":"10.3390\/s21113806"},{"key":"ref_93","doi-asserted-by":"crossref","first-page":"74","DOI":"10.1021\/acs.energyfuels.2c03217","article-title":"Sustainable and Flexible Energy Storage Devices: A Review","volume":"37","author":"Kasprzak","year":"2023","journal-title":"Energy Fuels"},{"key":"ref_94","doi-asserted-by":"crossref","first-page":"77493","DOI":"10.1109\/ACCESS.2021.3083697","article-title":"Survey of Energy Harvesting Technologies for Wireless Sensor Networks","volume":"9","author":"Williams","year":"2021","journal-title":"IEEE Access"},{"key":"ref_95","doi-asserted-by":"crossref","first-page":"12356","DOI":"10.1038\/s41598-022-16714-1","article-title":"Flexible Battery-Less Wireless Glucose Monitoring System","volume":"12","author":"Banerjee","year":"2022","journal-title":"Sci. Rep."},{"key":"ref_96","doi-asserted-by":"crossref","first-page":"72","DOI":"10.1038\/s41467-021-27733-3","article-title":"Smart Facemask for Wireless CO2 Monitoring","volume":"13","author":"Escobedo","year":"2022","journal-title":"Nat. Commun."},{"key":"ref_97","unstructured":"Infineon Technologies AG (2025, January 27). NGC1081 NFC Tag-Side Controller for Smart Sensing Applications. Available online: https:\/\/www.infineon.com\/cms\/en\/product\/power\/contactless-power-sensing-ics\/nfc-tag-side-controllers\/ngc1081\/."},{"key":"ref_98","unstructured":"(2025, January 27). NTAG\u00ae 5 Link: NFC Forum-Compliant I2C Bridge for IoT on Demand. Available online: https:\/\/www.nxp.com\/products\/rfid-nfc\/nfc-hf\/connected-nfc-tags\/ntag-5-link-nfc-forum-compliant-ic-bridge-for-iot-on-demand:NTAG5-LINK."},{"key":"ref_99","unstructured":"Texas Instruments (2025, January 27). RF430FRL152H NFC ISO15693 Sensor Transponder With SPI\/I2C Interface and 14-Bit Sigma-Delta ADC. Available online: https:\/\/www.ti.com\/product\/es-mx\/RF430FRL152H."},{"key":"ref_100","doi-asserted-by":"crossref","unstructured":"Badran, G., and Lazarov, V.K. (2025). From Waste to Resource: Exploring the Current Challenges and Future Directions of Photovoltaic Solar Cell Recycling. Solar, 5.","DOI":"10.3390\/solar5010004"},{"key":"ref_101","doi-asserted-by":"crossref","first-page":"11143","DOI":"10.1109\/ACCESS.2023.3241458","article-title":"High-Performance Multiband Ambient RF Energy Harvesting Front-End System for Sustainable IoT Applications\u2014A Review","volume":"11","author":"Lee","year":"2023","journal-title":"IEEE Access"},{"key":"ref_102","doi-asserted-by":"crossref","first-page":"2309050","DOI":"10.1002\/advs.202309050","article-title":"Wearable All-Fabric Hybrid Energy Harvester to Simultaneously Harvest Radiofrequency and Triboelectric Energy","volume":"11","author":"Kou","year":"2024","journal-title":"Adv. Sci."},{"key":"ref_103","doi-asserted-by":"crossref","first-page":"155","DOI":"10.1557\/s43579-025-00892-w","article-title":"Energy Harvesting for Sustainable Electronics: Challenges and Opportunities","volume":"16","author":"Romero","year":"2025","journal-title":"MRS Commun."},{"key":"ref_104","doi-asserted-by":"crossref","first-page":"698","DOI":"10.1109\/TWC.2014.2358215","article-title":"Optimal Harvest-Use-Store Strategy for Energy Harvesting Wireless Systems","volume":"14","author":"Yuan","year":"2015","journal-title":"IEEE Trans. Wirel. Commun."},{"key":"ref_105","doi-asserted-by":"crossref","first-page":"227932","DOI":"10.1016\/j.jpowsour.2020.227932","article-title":"Progress and Challenges of Flexible Lithium Ion Batteries","volume":"454","author":"Fang","year":"2020","journal-title":"J. Power Sources"},{"key":"ref_106","doi-asserted-by":"crossref","first-page":"866","DOI":"10.1002\/inf2.12117","article-title":"Development of Flexible Li-Ion Batteries for Flexible Electronics","volume":"2","author":"Zhao","year":"2020","journal-title":"InfoMat"},{"key":"ref_107","doi-asserted-by":"crossref","first-page":"433","DOI":"10.1016\/j.ensm.2021.02.032","article-title":"Recycling and Environmental Issues of Lithium-Ion Batteries: Advances, Challenges and Opportunities","volume":"37","author":"Costa","year":"2021","journal-title":"Energy Storage Mater."},{"key":"ref_108","unstructured":"International Air Transport Association (IATA) (2025). Battery Guidance Document Transport of Lithium Metal, Lithium Ion and Sodium Ion Batteries 2025, International Air Transport Association (IATA)."},{"key":"ref_109","doi-asserted-by":"crossref","first-page":"2000721","DOI":"10.1002\/adma.202000721","article-title":"Interface Issues and Challenges in All-Solid-State Batteries: Lithium, Sodium, and Beyond","volume":"33","author":"Lou","year":"2021","journal-title":"Adv. Mater."},{"key":"ref_110","unstructured":"(2025, January 28). Chip-Sized Solid-State Battery Ushers in IoT Revolution. Available online: https:\/\/www.tdk.com\/en\/featured_stories\/entry_024-solod-state-battery-ceracharge.html."},{"key":"ref_111","doi-asserted-by":"crossref","first-page":"575","DOI":"10.1039\/D0TA08775K","article-title":"A Vertical Graphene Enhanced Zn\u2013MnO2 Flexible Battery towards Wearable Electronic Devices","volume":"9","author":"Chen","year":"2021","journal-title":"J. Mater. Chem. A"},{"key":"ref_112","doi-asserted-by":"crossref","first-page":"eabl3742","DOI":"10.1126\/sciadv.abl3742","article-title":"An Ultrathin Rechargeable Solid-State Zinc Ion Fiber Battery for Electronic Textiles","volume":"7","author":"Xiao","year":"2021","journal-title":"Sci. Adv."},{"key":"ref_113","doi-asserted-by":"crossref","first-page":"2103495","DOI":"10.1002\/smll.202103495","article-title":"Flexible and Safe Additives-Based Zinc-Binder-Free-Hierarchical MnO2-Solid Alkaline Polymer Battery for Potential Wearable Applications","volume":"18","author":"Poosapati","year":"2022","journal-title":"Small"},{"key":"ref_114","unstructured":"(2025, January 28). Thin-Film Batteries|Molex. Available online: https:\/\/www.molex.com\/en-us\/products\/printed-electronics\/thin-film-batteries."},{"key":"ref_115","unstructured":"(2025, February 03). Raymond VHBW for HB5V1HV Replacement Li-Ion Battery. Available online: https:\/\/commons.wikimedia.org\/wiki\/File:VHBW_for_HB5V1HV_Replacement_Li-Ion_Battery-7120.jpg."},{"key":"ref_116","doi-asserted-by":"crossref","unstructured":"de Fazio, R., Cafagna, D., Marcuccio, G., and Visconti, P. (2020). Limitations and Characterization of Energy Storage Devices for Harvesting Applications. Energies, 13.","DOI":"10.3390\/en13040783"},{"key":"ref_117","doi-asserted-by":"crossref","first-page":"2202199","DOI":"10.1002\/admt.202202199","article-title":"Flexible Polymer Hydrogels for Wearable Energy Storage Applications","volume":"8","author":"Mahdavian","year":"2023","journal-title":"Adv. Mater. Technol."},{"key":"ref_118","doi-asserted-by":"crossref","first-page":"1041","DOI":"10.1016\/j.rser.2015.11.010","article-title":"Energy Harvesting in Wireless Sensor Networks: A Comprehensive Review","volume":"55","author":"Shaikh","year":"2016","journal-title":"Renew. Sustain. Energy Rev."},{"key":"ref_119","first-page":"3057","article-title":"Piezoelectric Energy Harvesters: An Overview on Design Strategies and Topologies","volume":"69","author":"Wang","year":"2022","journal-title":"IEEE Trans. Circuits Syst. II"},{"key":"ref_120","doi-asserted-by":"crossref","first-page":"3678","DOI":"10.1109\/JIOT.2020.3024017","article-title":"Dual-Band Store-and-Use System for RF Energy Harvesting With Off-the-Shelf DC\/DC Converters","volume":"8","author":"Cuevas","year":"2021","journal-title":"IEEE Internet Things J."},{"key":"ref_121","doi-asserted-by":"crossref","unstructured":"Di Martino, B., Li, K.-C., Yang, L.T., and Esposito, A. (2018). Energy Harvesting in Internet of Things. Internet of Everything, Springer Singapore. Internet of Things.","DOI":"10.1007\/978-981-10-5861-5"},{"key":"ref_122","unstructured":"(2025, February 03). E-Peas Semiconductors Website. Available online: https:\/\/e-peas.com\/."},{"key":"ref_123","unstructured":"Dostal, F. (2025, February 03). New Advances in Energy Harvesting Power Conversion|Analog Devices. Available online: https:\/\/www.analog.com\/en\/resources\/analog-dialogue\/articles\/energy-harvesting-power-conversion.html."},{"key":"ref_124","unstructured":"(2025, February 03). E-Peas Semiconductors AEM30940 Radio Frequency Energy Harvesting Power Management IC. E-Peas. Available online: https:\/\/e-peas.com\/product\/aem30940\/."},{"key":"ref_125","doi-asserted-by":"crossref","first-page":"436","DOI":"10.1109\/JFLEX.2024.3453779","article-title":"Flexible Silicon: Status, Opportunities, and Challenges","volume":"3","author":"Kannan","year":"2024","journal-title":"IEEE J. Flex. Electron."},{"key":"ref_126","doi-asserted-by":"crossref","first-page":"26","DOI":"10.1016\/j.wees.2024.03.001","article-title":"Applications of Organic Solar Cells in Wearable Electronics","volume":"1","author":"Wan","year":"2024","journal-title":"Wearable Electron."},{"key":"ref_127","doi-asserted-by":"crossref","first-page":"5595","DOI":"10.1021\/acsami.4c12238","article-title":"Perspective on Flexible Organic Solar Cells for Self-Powered Wearable Applications","volume":"17","author":"Zhu","year":"2025","journal-title":"ACS Appl. Mater. Interfaces"},{"key":"ref_128","doi-asserted-by":"crossref","first-page":"108962","DOI":"10.1016\/j.nanoen.2023.108962","article-title":"Wearable Nanocomposite Textile-Based Piezoelectric and Triboelectric Nanogenerators: Progress and Perspectives","volume":"118","author":"Bairagi","year":"2023","journal-title":"Nano Energy"},{"key":"ref_129","doi-asserted-by":"crossref","first-page":"101422","DOI":"10.1016\/j.esr.2024.101422","article-title":"Recent Advances in Piezoelectric Wearable Energy Harvesting Based on Human Motion: Materials, Design, and Applications","volume":"53","author":"Ali","year":"2024","journal-title":"Energy Strategy Rev."},{"key":"ref_130","doi-asserted-by":"crossref","unstructured":"Thainiramit, P., Yingyong, P., and Isarakorn, D. (2020). Impact-Driven Energy Harvesting: Piezoelectric Versus Triboelectric Energy Harvesters. Sensors, 20.","DOI":"10.3390\/s20205828"},{"key":"ref_131","first-page":"1914","article-title":"Hybrid Piezoelectric-Triboelectric Biomechanical Harvesting System for Wearable Applications","volume":"71","author":"Verma","year":"2024","journal-title":"IEEE Trans. Circuits Syst. II Express Briefs"},{"key":"ref_132","doi-asserted-by":"crossref","first-page":"106582","DOI":"10.1016\/j.nanoen.2021.106582","article-title":"Porous PDMS Conformable Coating for High Power Output Carbon Fibers\/ZnO Nanorod-Based Triboelectric Energy Harvesters","volume":"90","author":"Barras","year":"2021","journal-title":"Nano Energy"},{"key":"ref_133","doi-asserted-by":"crossref","first-page":"3346","DOI":"10.1021\/acsaelm.0c00636","article-title":"Flexible Piezoelectric Transducers for Energy Harvesting and Sensing from Human Kinematics","volume":"2","author":"Choudhry","year":"2020","journal-title":"ACS Appl. Electron. Mater."},{"key":"ref_134","doi-asserted-by":"crossref","first-page":"133","DOI":"10.3390\/nanoenergyadv2010006","article-title":"Smart Textile Triboelectric Nanogenerators: Prospective Strategies for Improving Electricity Output Performance","volume":"2","author":"Dong","year":"2022","journal-title":"Nanoenergy Adv."},{"key":"ref_135","doi-asserted-by":"crossref","first-page":"2302012","DOI":"10.1002\/admt.202302012","article-title":"Textile Triboelectric Nanogenerator: Future Smart Wearable Energy-Integration Technology","volume":"9","author":"Zhao","year":"2024","journal-title":"Adv. Mater. Technol."},{"key":"ref_136","doi-asserted-by":"crossref","first-page":"104265","DOI":"10.1016\/j.nanoen.2019.104265","article-title":"Thermoelectric Generators for Wearable Body Heat Harvesting: Material and Device Concurrent Optimization","volume":"67","author":"Nozariasbmarz","year":"2020","journal-title":"Nano Energy"},{"key":"ref_137","doi-asserted-by":"crossref","first-page":"106","DOI":"10.1038\/s41378-023-00583-3","article-title":"Flexible Thermoelectric Generator and Energy Management Electronics Powered by Body Heat","volume":"9","author":"Yang","year":"2023","journal-title":"Microsyst. Nanoeng."},{"key":"ref_138","doi-asserted-by":"crossref","first-page":"37401","DOI":"10.1021\/acsami.4c02467","article-title":"Flexible Thermoelectric Wearable Architecture for Wireless Continuous Physiological Monitoring","volume":"16","author":"Sattar","year":"2024","journal-title":"ACS Appl. Mater. Interfaces"},{"key":"ref_139","doi-asserted-by":"crossref","first-page":"95","DOI":"10.1109\/MAP.2020.3012872","article-title":"Rectennas for Radio-Frequency Energy Harvesting and Wireless Power Transfer: A Review of Antenna Design [Antenna Applications Corner]","volume":"62","author":"Wagih","year":"2020","journal-title":"IEEE Antennas Propag. Mag."},{"key":"ref_140","doi-asserted-by":"crossref","first-page":"e21633","DOI":"10.1002\/mmce.21633","article-title":"Nasimuddin RF Energy Harvesting Systems: An Overview and Design Issues","volume":"29","author":"Divakaran","year":"2019","journal-title":"Int. J. RF Microw. Comput.-Aided Eng."},{"key":"ref_141","doi-asserted-by":"crossref","unstructured":"Malik, B.T., Doychinov, V., Zaidi, S.A.R., Robertson, I.D., Somjit, N., Richardson, R., and Chudpooti, N. (2019, January 11\u201313). Flexible Rectennas for Wireless Power Transfer to Wearable Sensors at 24 GHz. Proceedings of the 2019 Research, Invention, and Innovation Congress (RI2C), Bangkok, Thailand.","DOI":"10.1109\/RI2C48728.2019.8999964"},{"key":"ref_142","doi-asserted-by":"crossref","first-page":"e70187","DOI":"10.1002\/adsr.70187","article-title":"Advancements in Enzymatic Biofuel Cells for Wearable Electrochemical Biosensors: Powering Point-of-Care Health Monitoring","volume":"5","author":"Khan","year":"2026","journal-title":"Adv. Sens. Res."},{"key":"ref_143","doi-asserted-by":"crossref","first-page":"150557","DOI":"10.1016\/j.cej.2024.150557","article-title":"Self-Charging Hybrid Energy Devices Collaborated with Enzymatic Biofuel Cells and Supercapacitors","volume":"487","author":"Lee","year":"2024","journal-title":"Chem. Eng. J."}],"container-title":["Sensors"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/1424-8220\/26\/18\/5770\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,9,11]],"date-time":"2026-09-11T10:54:59Z","timestamp":1789124099000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/1424-8220\/26\/18\/5770"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,9,11]]},"references-count":143,"journal-issue":{"issue":"18","published-online":{"date-parts":[[2026,9]]}},"alternative-id":["s26185770"],"URL":"https:\/\/doi.org\/10.3390\/s26185770","relation":{},"ISSN":["1424-8220"],"issn-type":[{"value":"1424-8220","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,9,11]]}}}