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conference on smart biomedical and physiological sensor technology xxI

作者： Brandt, Meghan Schmidt, Nicholas Tauraso, Aria Sood, Rachit Su, Ching Hua Arnold, Bradley Choa, Fow-Sen Cullum, Brian Singh, N. B. NASA Marshall Space Flight Ctr EM3 Huntsville AL 35812 USA Univ Maryland Baltimore Cty 1000 Hilltop Circle Baltimore MD 21250 USA

ISBN: (纸本)9781510674370;9781510674363

Binary and ternary selenide crystals have been proven as multifunctional for optical sensors and laser applications. The aim of this study was to evaluate reactive flux growth process of the doped zinc selenide crystals and compared with bulk physical vapor transport (PVT) grown large single crystals. The experimental process of synthesis involved PVP (Polyvinyl Pyrrolidone) flux dissolved in DI water which was heated at 65 degrees C, stirred until all PVP dissolved. We added Se powder dissolved in ethanol and heated again for few minutes. We added ZnCl2 solution in ethanol/Se mixture and heated at well below 100 degrees C. Water and ethanol solvent was separated and placed at 200C. The residue material was doped with transition metal. This material was characterized for the luminescence and compared with the results of bulk crystals grown by PVD process.

关键词： ZnSe Flux growth Crystals Reactive solution Spray spin

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Intelligent Sensing Technologies Based on Flexible Wearable sensors: A Review

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IEEE sensorS JOURNAL 2024年第14期24卷 22197-22217页

作者： Nong, Hengchang Jin, Mingzhe Pan, Chengcheng Zhou, Hongyu Zhang, Chao Pan, xuemei Chen, Yuren Wei, xiangning Lu, Yeping Zhao, Kaixiao Huang, Mingzhe Li, xiangcheng Yu, Yang Zhang, Zhenrong Guangxi Univ Sch Comp & Elect Informat Nanning 530004 Peoples R China Natl Univ Def Technol Coll Sci Changsha 410073 Peoples R China State Run Changhong Machinery Factory Guilin 541000 Peoples R China

Flexible wearable sensors, characterized by their stretchability, flexibility, lightweight, high sensitivity, and the ability to dynamically and continuously measure multiple parameters, have been widely applied in areas such as physiological health monitoring, human-computer interaction control, real-time motion monitoring, and personalized medical assistance. With the development of artificial intelligence technology, the integration of flexible wearable sensors with artificial intelligence technologies such as machine learning (ML) has become increasingly profound. This integration has facilitated the emergence and development of intelligent sensing systems with human-like perception capabilities, garnering growing attention toward flexible wearable intelligent sensing technology. This article focuses on introducing various sensor mechanisms, intelligent sensing algorithms, and practical applications of flexible wearable intelligent sensing technology. The challenges and possible development directions of flexible wearable smart sensing technology, encompassing aspects, such as power supply, multimodal sensing capability, preparation materials, processing and fabrication techniques, and smart sensing algorithms, are also discussed and prospected. Such a review can provide a reference for research in the field of flexible wearable smart sensing technology.

关键词： sensors Wearable sensors Intelligent sensors Machine learning algorithms Robot sensing systems biomedical monitoring Reviews Flexible wearable sensor intelligent sensing machine learning (ML)

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smart biomedical and physiological sensor technology xxI

Smart Biomedical and Physiological Sensor Technology XXI

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smart biomedical and physiological sensor technology xxI 2024

ISBN: (纸本)9781510674363

The proceedings contain 13 papers. The topics discussed include: multiwavelength spectral photon detection system with 10.9nm resolution capable of perform data stream at 420Gs/s;dielectric energy storage materials for space sensors: effect of processing on the performance;flux growth of optical sensor zinc selenide crystals;quantifying knowledge: medical applications of radar aging through the lens of bibliometrics;inkjet-printed 2-D conductors for electromyography (EMG) electrodes in biosensing applications;functional connectivity differences between cocaine users and healthy controls: an fMRI study;extracting functional connectivity signatures in substance use disorder using energy landscape analysis;exploring connections between auditory hallucinations and language model structures and functions;and label-free surface-enhanced Raman scattering (SERS) and machine learning for biological analysis.

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Fiber optic polarization temperature sensor for biomedical and military security systems 19

Fiber optic polarization temperature sensor for biomedical a...

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conference on smart biomedical and physiological sensor technology xIx

作者： Kyselak, Martin Slavicek, Karel Grenar, David Bohrn, Marek Vavra, Jiri Univ Def Kounicova 65 Brno Czech Republic Masaryk Univ Zerotinovo Nam 617-9 Brno Czech Republic Brno Univ Technol Brno Czech Republic

ISBN: (纸本)9781510651234;9781510651227

The paper deals with the influence of birefringence on the change of polarization and the change of frequency in sensory optical fibers. The aim of the described research was to design and implement a set of measurements that analyze these influences. The article builds on research that has dealt with this issue in the past and offers some simplifications in the design of the measuring station, describes control measurements and analyzes in detail the response of light parameters at the sensor output to changes in temperature. The article presents, compares and discusses the results of intensity changes at individual wavelengths, which demonstrate changes not only in the instantaneous polarization state of light but also changes in wavelengths with maximum light intensity depending on temperature changes. These principles can then be used to advantage with Military, biomedical and physiological sensors Systems.

关键词： optical fibre sensor biomedical sensor military security systems remote sensing defence frequency changes temperature field disturbance optical nonlinearity

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Bandage compatible chipless RFID pH sensor for chronic wound monitoring using chitosan in the ISM frequency band 20

Bandage compatible chipless RFID pH sensor for chronic wound...

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smart biomedical and physiological sensor technology xx 2023

作者： Hasan, Muhammad Mahmudul Perez-Pinon, Anthony Pala, Nezih Florida International University MiamiFL United States

ISBN: (数字)9781510662131

ISBN: (纸本)9781510662124

We propose a chipless RFID pH sensor which can be easily integrated into a bandage for wound monitoring. The sensor can detect the pH level from 4 to 7 of the wounded area through frequency shift owing to the pH sensitive dielectric parameter of chitosan hydrogel, embedded into the substrate of the sensor. The substrate is composed of fabric material which makes it a strong candidate for non-invasive wound monitoring application. The frequency shift can be wirelessly detected by RFID reader to get the status of the wounded area. © 2023 SPIE.

关键词： pH sensors

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Design of a Multi-sensor Wearable physiological Parameters Monitoring System Using Machine Learning Algorithm

Design of a Multi-Sensor Wearable Physiological Parameters M...

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2024 International conference on smart Electronics and Communication Systems, ISENSE 2024

作者： Prabakaran, Aarthy Rufus, Elizabeth School of Electronics Engineering Vellore Institute of Technology Vellore India

ISBN: (纸本)9798331528126

An aging population and changing lifestyles have led to an increase in health problems, necessitating a robust and scalable medical system. A healthy society can be fostered by implementing a comprehensive health tracking system that enables early disease detection and continuous remote healthcare monitoring. This can be achieved by employing a wearable healthcare monitoring system, that can assist the medical sector in reducing hospitalizations and facilitating early diagnosis. To address this need, a Wearable physiological Monitoring System (W-PMS) is proposed in this study. A prototype has been developed with the capability to record electrocardiography (ECG), photoplethysmography (PPG), and body temperature, and calculate crucial vital parameters such as heart rate, saturation of peripheral oxygen (SpO2) level, and blood pressure (BP). The W-PMS comprises three sensor modules integrated with a microcontroller to collect the physiological data. The acquired physiological data are processed by the microcontroller to calculate certain parameters such as heart rate and SpO2 level. The acquired data are pushed to the cloud to estimate the BP through an indigenous Android application. The data transmission between the microcontroller and the application occurs via Bluetooth communication. The final results are visualized on a mobile device, enabling users to track their health status. In conclusion, wearable devices incorporating biomedical sensors have the potential to remotely monitor an individual's health condition. © 2024 IEEE.

关键词： Blood pressure

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smart biomedical and physiological sensor technology xx

Smart Biomedical and Physiological Sensor Technology XX

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smart biomedical and physiological sensor technology xx 2023

ISBN: (纸本)9781510662124

The proceedings contain 19 papers. The topics discussed include: effect of processing parameters on sensing of chem-bio agents on surfaces: contact angle-based interactions;dielectric and electrical sensing behavior of undoped and doped complex perovskite oxide;all optical approach to determine quality and performance of sensor materials;development and integration of protein catalyzed capture agents as novel receptors for pathogen detection;wearable sensor to assess physiological responses and recovery to workplace violence;sacrificial template method to fabricate highly sensitive porous capacitive pressure sensor for full pulse waveforms detection;bandage compatible chipless RFID pH sensor for chronic wound monitoring using chitosan in the ISM frequency band;heart attack prediction using machine learning;and identification of diabetic retinopathy using convolutional neural network.

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All optical approach to determine quality and performance of sensor materials 20

All optical approach to determine quality and performance of...

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smart biomedical and physiological sensor technology xx 2023

作者： Brandt, Meghan Setera, Brett Emge, Ian Su, Ching Hua Arnold, Bradley Choa, Fow-Sen Cullum, Brian Scherer, Leslie Singh, N.B. University of Maryland Baltimore County 1000 Hilltop Circle BaltimoreMD21235 United States NASA Marshall Space Flight Center HuntsvilleAL35824 United States

ISBN: (数字)9781510662131

ISBN: (纸本)9781510662124

We have observed that inhomogeneity can affect the refringence and emission significantly. We are investigating refractive index and the absorption coefficients of multi-functional sensor materials to understand the defect driven changes using birefringence interferometry. In order to simplify and faster data collection, we are exploring low-cost reflectance probe fiber optics designed in-house. In this presentation we will compare the data obtained by using this new system with available literature data. In this paper we will report results of doped ZnSe crystals grown by physical vapor transport method. © 2023 SPIE.

关键词： Refractive index

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Sacrificial Template Method to Fabricate Highly Sensitive Porous Capacitive sensor for Full Pulse Waveforms Detection 20

Sacrificial Template Method to Fabricate Highly Sensitive Po...

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smart biomedical and physiological sensor technology xx 2023

作者： Chowdhury, Azmal Huda Jafarizadeh, Borzooye Pala, Nezih Wang, Chunlei Department of Mechanical and Materials Engineering Florida International University MiamiFL33174 United States Department of Electrical and Computer Engineering Florida International University MiamiFL33174 United States

ISBN: (数字)9781510662131

ISBN: (纸本)9781510662124

Flexible pressure sensors with high sensitivity have drawn a lot of attention due to their potential in a range of applications, including tactile sensing, physiological monitoring, and flexible electronics. The commercialization of these sensors is still hampered by the difficulty of getting great sensitivity while keeping cheap production costs. The low-cost method for making capacitive sensors described in this study uses a sacrificial template made of a porous PDMS polymer and a dielectric layer based on MWCNT composites. When MWCNT is added to PDMS, the composite polymer's higher dielectric constant results in the sensor's high sensitivity of 4.9 kPa-1 below 1 kPa. Due to its extreme sensitivity, it can recognize minute changes in tactile pressure and pulse waveforms. © 2023 SPIE.

关键词： Pressure sensors

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Who watches the watches: on the delivery of the specifications of smart wearable devices and recommendations on the related best practices 19

Who watches the watches: on the delivery of the specificatio...

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conference on smart biomedical and physiological sensor technology xIx

作者： Simon, Aniko Szy, Laszlo Kara, Peter A. Guindy, Mary Sigma Technol Budapest Hungary Radicon Budapest Hungary Budapest Univ Technol & Econ Budapest Hungary Kingston Univ London England Holografika Budapest Hungary Pazmany Peter Catholic Univ Budapest Hungary

ISBN: (纸本)9781510651234;9781510651227

smart wearable devices have taken the market by storm. They are now their own device category on the consumer market, their popularity is unquestioned due to their ever-increasing set of functionalities and the vigorous competition between some of the biggest companies, and they seamlessly integrated into our everyday lives, as well as into professional contexts. New models appear on the market regularly, particularly since the sensory system of such devices is continuously developing, adding more ways of data acquisition and processing, along with projections and analyses. However, while the devices of certain subcategories are nearly identical with regard to their core functionalities, there may be significant differences in their specifications. Furthermore, the delivery of specifications towards the users is highly manufacturer-dependent and lacks coherent standardization. This is particularly relevant to professional contexts, such as defense, where individuals competently familiarizing themselves with their personal devices is essential. In this paper, we investigate the delivery of the specifications of the state-of-the-art smart wearable devices. We separately study the commonalities and best practices by device subcategories and usage contexts. We also highlight certain deviations on the current market and provide recommendations for the further evolution of such practices. The paper introduces the results of a study on documentation-related user behavior as well, in order to support future research.

关键词： smart wearables wearable devices wearable sensor technologies assistive wearable technologies device specification

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