Batteryless NFC dosimeter tag for ionizing radiation based on commercial MOSFET

Sensors and Actuators A Physical, Journal Year: 2023, Volume and Issue: 354, P. 114295 - 114295

Published: March 7, 2023

This paper reports the development, evaluation and validation of DosiTag, a dosimetric platform based on Near Field Communication (NFC) technology. The designed system comprises two main parts: passive NFC sensing tag as dosimeter unit, which includes commercial P-channel MOSFET transistor radiation sensor; an NFC-enabled smartphone running custom-developed application reader unit. Additionally, cloud service messaging protocol Message Queue Telemetry Transport (MQTT) has been implemented using broker/client architecture to allow storage classification patient's data. was low-power integrated circuits (ICs) it can operate without any external power supply or battery, being supplied by through radio frequency (RF) energy harvested from link. dose is measured increase DMOS source voltage Two prototypes have characterized with 6 MV photon beam doses up 57 Gy 42 Gy, respectively. achieved average sensitivity (4.37 ± 0.04) mV/Gy resolution 2 cGy, goes beyond state-of-the-art previous dosimeters places DosiTag low-cost promising electronic for control in radiotherapy treatments.

Language: Английский

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Review on Wearable Technology in Sports: Concepts, Challenges and Opportunities

Applied Sciences, Journal Year: 2023, Volume and Issue: 13(18), P. 10399 - 10399

Published: Sept. 17, 2023

Wearable technology is increasingly vital for improving sports performance through real-time data analysis and tracking. Both professional amateur athletes rely on wearable sensors to enhance training efficiency competition outcomes. However, further research needed fully understand optimize their potential in sports. This comprehensive review explores the measurement monitoring of athletic performance, injury prevention, rehabilitation, overall optimization using body sensors. By analyzing wearables’ structure, articles across various sports, commercial sensors, provides a thorough Its findings benefit athletes, coaches, healthcare professionals, conditioners, managers, researchers, offering detailed summary The expected contribute future advancements biometric analysis, ultimately performance. Limitations such as privacy concerns, accuracy issues, costs are acknowledged, stressing need legal regulations, ethical principles, technical measures safe fair use. importance personalized devices athlete comfort impact emphasized. emergence imaging holds promise rehabilitation monitoring, enabling enhanced health, recovery, industry.

Language: Английский

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Multifunctional wearable humidity and pressure sensors based on biocompatible graphene/bacterial cellulose bioaerogel for wireless monitoring and early warning of sleep apnea syndrome

Nano Energy, Journal Year: 2023, Volume and Issue: 108, P. 108215 - 108215

Published: Jan. 25, 2023

Language: Английский

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Carbon nanodot-based humidity sensor for self-powered respiratory monitoring

Nano Energy, Journal Year: 2022, Volume and Issue: 101, P. 107549 - 107549

Published: June 28, 2022

Language: Английский

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All‐MXene‐Printed RF Resonators as Wireless Plant Wearable Sensors for In Situ Ethylene Detection

Small, Journal Year: 2023, Volume and Issue: 19(24)

Published: March 10, 2023

Abstract Printed flexible electronics have emerged as versatile functional components of wearable intelligent devices that bridge the digital information networks with biointerfaces. Recent endeavors in plant sensors provide real‐time and situ insights to study phenotyping traits crops, whereas monitoring ethylene, fundamental phytohormone, remains challenging due lack scalable manufacturing ethylene sensors. Here all‐MXene‐printed radio frequency (RF) resonators are presented for wireless detection. The facile formation additive‐free MXene ink enables rapid, printed electronics, demonstrating decent printing resolution (2.5% variation), ≈30000 S m −1 conductivity mechanical robustness. Incorporation MXene‐reduced palladium nanoparticles (MXene@PdNPs) facilitates 1.16% response at 1 ppm 0.084 limit sensor tags attached on organ surfaces continuously profiling emission inform key transition biochemistry, potentially extending application enable hormone precision agriculture food industrial management.

Language: Английский

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Recent developments in wearable breath sensors for healthcare monitoring

Communications Materials, Journal Year: 2024, Volume and Issue: 5(1)

Published: March 20, 2024

Abstract Within the breath lie numerous health indicators, encompassing respiratory patterns and biomarkers extending beyond conditions to cardiovascular health. Recently, emergence of SARS-CoV-2 pandemic has not only underscored necessity on-the-spot analysis but also normalized use masks in everyday life. Simultaneously, rapid evolution wearable technology given rise innovative healthcare monitoring tools, with a specific emphasis on sensors. This review explores current research trends utilizing breathing sensors detect diverse monitor parameters, including airflow, temperature, humidity. Additionally, it applications, ranging from recognizing swiftly detecting diseases. Integrating Internet Things machine learning technologies into these applications highlights their potential offer personalized, accurate, efficient solution.

Language: Английский

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Smart Gas Sensors: Recent Developments and Future Prospective

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 17(1)

Published: Nov. 4, 2024

Abstract Gas sensor is an indispensable part of modern society with wide applications in environmental monitoring, healthcare, food industry, public safety, etc. With the development technology, wireless communication, smart monitoring terminal, cloud storage/computing and artificial intelligence, gas sensors represent future sensing due to their merits real-time multifunctional early warning function, intelligent automated feature. Various electronic optoelectronic have been developed for high-performance analysis. terminals maturity integrated flexible wearable play increasing role This review highlights recent advances diverse applications. The structural components fundamental principles are described, devices highlighted. Moreover, array intelligence algorithms “Internet Things” paradigm introduced. Finally, challenges perspectives discussed regarding need city healthy living.

Language: Английский

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Wearable Biodevices Based on Two-Dimensional Materials: From Flexible Sensors to Smart Integrated Systems

Nano-Micro Letters, Journal Year: 2025, Volume and Issue: 17(1)

Published: Jan. 15, 2025

Abstract The proliferation of wearable biodevices has boosted the development soft, innovative, and multifunctional materials for human health monitoring. integration sensors with intelligent systems is an overwhelming tendency, providing powerful tools remote monitoring personal management. Among many candidates, two-dimensional (2D) stand out due to several exotic mechanical, electrical, optical, chemical properties that can be efficiently integrated into atomic-thin films. While previous reviews on 2D primarily focus conventional configurations like graphene, rapid new opened up novel applications, particularly in smart interaction functionalities. This review aims consolidate recent progress, highlight unique advantages materials, guide future research by discussing existing challenges opportunities applying biodevices. We begin in-depth analysis advantages, sensing mechanisms, potential applications biodevice fabrication. Following this, we systematically discuss state-of-the-art based various physiological signals within body. Special attention given showcasing multi-functionality devices, mainly including self-power supply, diagnosis/treatment, human–machine interaction. Finally, concludes a concise summary prospective solutions concerning utilization advanced

Language: Английский

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Advances in Nanofiber Filtration Membranes: From Principles to Intelligent Applications

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 21, 2025

Abstract Air pollution is a silent killer. It poses significant health threat, affecting over 80% of the global population and leading to respiratory cardiovascular diseases. Electrospun nanofiber filtration membranes have made tremendous progress due their large surface areas, adaptable structures, self‐polarizing properties. This review explores recent developments in across four key areas: principles, material design, structural innovations, functionalities. Initially, classical mechanisms discussed, followed by an overview sustainable materials green technologies for advanced filtration. then delve into advancements, highlighting nanofibers with high roughness, ultra‐fine diameters, bimodal distributions. Inspired nature, these innovations led creation high‐performance membranes. Current research focuses on anti‐bacterial antiviral membranes, as well intelligent systems capable sensing physiological signals. Last, existing challenges membrane development, such new mechanisms, preparation technologies, reusable highlighted. anticipated that solutions problems will open up possibilities functional biodegradable smart wearables, upscale healthcare.

Language: Английский

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Internet-of-nano-things (IoNT) driven intelligent face masks to combat airborne health hazard

Materials Today, Journal Year: 2022, Volume and Issue: 60, P. 201 - 226

Published: Sept. 29, 2022

Face masks have been used as the most effective and economically viable preventive tool, which also creates a sense of social solidarity in collectively combatting airborne health hazards. In spite enormous research literature, massive production, competitive market, use modern age face masks-respirators (FMR) is restricted for specific purposes or during public emergencies. It attributed to lack awareness, prominent myths, architect manufacturing limitations, concerns, probable solid waste management. However, efforts dedicated address these issues through using materials textiles such nanomaterials mask fabrication. Conventional FMRs possess bottlenecks breathing issues, skin problems, single use, fungal infections, communication barrier differently abled, inefficiency filter minute contaminants, sourcing secondary contamination issue solid-waste management upon usage. Contrary, FMR engineered with functional owing high surface area, unique physicochemical properties, enriched chemistries challenges due smart features like self-cleaning ability, biocompatibility, transparency, multiple usages, anti-contaminant, good breathability, excellent filtration capacity, pathogen detecting scavenging capabilities. This review highlights state-of-the-art different dimensional nanocomposites combat hazards, especially infectious outbreaks air contamination. Besides, myths facts about FMR, associated challenges, potential sustainable solutions, prospects “point-of-action” intelligent operation integration internet-of-nano-things, 5G wireless communications, artificial intelligence are discussed.

Language: Английский

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