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Ultrasonic Strip Waveguide-Based Distributed Sensor for Temperature Monitoring 基于超声波带波导的分布式温度传感器
2024 IEEE Applied Sensing Conference (APSCON) Pub Date : 2024-01-22 DOI: 10.1109/APSCON60364.2024.10466009
Arun Valabhoju
{"title":"Ultrasonic Strip Waveguide-Based Distributed Sensor for Temperature Monitoring","authors":"Arun Valabhoju","doi":"10.1109/APSCON60364.2024.10466009","DOIUrl":"https://doi.org/10.1109/APSCON60364.2024.10466009","url":null,"abstract":"Ultrasonic waveguide techniques are most familiar to monitor temperatures in the hostile environments. A single waveguide could be used as multiple sensors. In the present work, a thin strip waveguide comprising reflectors (holes) at appropriate gauge length was fabricated, and a shear wave transducer (0.5 MHz) was used in the pulse echo technique to propagate $S_{0}$ wave mode. The strip waveguide was mounted on the pipe to monitor temperatures at various locations. The Difference in flight time $left(delta T_{F}right)$ collected between pair of reflectors was used to correlate with the temperatures measured by calibrated K-type thermocouple at various temperature instances. A set of experiments were carried out to calibrate waveguide sensor. It was observed that the calibrated wave guide sensor and thermocouple readings are good in agreement while measuring the temperatures at multiple locations on a Copper pipe. The developed single strip waveguide sensor for measuring temperatures at multiple locations is easy to use, durable, and affordable. It is suitable to track the temperatures even for difficult to access regions.","PeriodicalId":518961,"journal":{"name":"2024 IEEE Applied Sensing Conference (APSCON)","volume":"12 2","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2024-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140531345","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrospun SnO2 nanofibers-based electrochemical sensor using AB (1-40) for early detection of Alzheimer’s 使用 AB (1-40) 的电纺 SnO2 纳米纤维电化学传感器用于早期检测阿尔茨海默氏症
2024 IEEE Applied Sensing Conference (APSCON) Pub Date : 2024-01-22 DOI: 10.1109/APSCON60364.2024.10466169
Patta Supraja, R. Gangwar, Suryasnata Tripathy, S. Vanjari, S. Singh
{"title":"Electrospun SnO2 nanofibers-based electrochemical sensor using AB (1-40) for early detection of Alzheimer’s","authors":"Patta Supraja, R. Gangwar, Suryasnata Tripathy, S. Vanjari, S. Singh","doi":"10.1109/APSCON60364.2024.10466169","DOIUrl":"https://doi.org/10.1109/APSCON60364.2024.10466169","url":null,"abstract":"An early diagnosis of Alzheimer’s disease (AD) is challenging and affects millions worldwide. AB(1-40), a potential biomarker found in cerebrospinal fluid, blood, and its derivatives, is utilized as an alternative for an early diagnosis of Alzheimer’s. This work presents an early detection of AD with the help of label-free electrochemical transduction mechanisms using AB(1-40) as a biomarker. To increase the diversity of decision-making parameters that inherently improve the disease’s diagnostic accuracy, the detection was carried out with the help of DPV and EIS analysis. The sensing platform utilized electrospun tin-oxide (SnO2) nanofibers modified carbon electrodes as a transducing element comprising covalently immobilized AB(1-40) antibodies on which the target AB(1-40) binds specifically. The sensing platform detected the target analyte concentrations prepared in real-time human blood plasma in the linear detection range of 1 fg/mL – 10 ng/mL and 1 fg/mL – 100 pg/mL obtained from DPV and EIS, respectively. It also accounted for an extremely low detection limit of 0.785 and 0.573 fg/mL and a very high sensitivity of 4.095 (μA/(ng/mL))/cm2 and 285.94 (kΩ/(ng/mL))/cm2 obtained from DPV and EIS, respectively. Further, the proposed sensing platform showed excellent selectivity, repeatability, reproducibility and high interference resistance.","PeriodicalId":518961,"journal":{"name":"2024 IEEE Applied Sensing Conference (APSCON)","volume":"258 11","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2024-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140531022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Novel SSPP Based Highly Sensitive EM Biosensor for Noninvasive Measurement of Blood Glucose 基于 SSPP 的新型高灵敏 EM 生物传感器用于无创血糖测量
2024 IEEE Applied Sensing Conference (APSCON) Pub Date : 2024-01-22 DOI: 10.1109/APSCON60364.2024.10466051
Debarati Dutta, Namrata Mendiratta, Anirban Sarkar
{"title":"Novel SSPP Based Highly Sensitive EM Biosensor for Noninvasive Measurement of Blood Glucose","authors":"Debarati Dutta, Namrata Mendiratta, Anirban Sarkar","doi":"10.1109/APSCON60364.2024.10466051","DOIUrl":"https://doi.org/10.1109/APSCON60364.2024.10466051","url":null,"abstract":"This paper introduces a novel spoof surface plasmon polariton (SSPP) based metamaterial-inspired electromagnetic (EM) biosensor for non-invasive diabetes analysis. The sensor design incorporates resonator, which effectively localizes the electric field within a specific region. To achieve optimal sensitivity, the sensor is placed on the top of human skin where the region of maximum EM field concentration. Tissue mimicking model has been used for testing blood glucose level in blood stream. The proposed RF sensor, has been subjected to testing to assess its ability to accurately and sensitively detect slight variations in the electrical properties of blood resulting from changes in blood glucose concentration. The evaluation outcomes indicate that the sensor performs well within acceptable parameters in terms of both accuracy and sensitivity.","PeriodicalId":518961,"journal":{"name":"2024 IEEE Applied Sensing Conference (APSCON)","volume":"293 3","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2024-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140531387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Temporal Behavior Analysis for the Impact of Combined Temperature and Humidity Variations on a Photoacoustic CO₂ Sensor 温度和湿度综合变化对光声二氧化碳传感器影响的时间行为分析
2024 IEEE Applied Sensing Conference (APSCON) Pub Date : 2024-01-22 DOI: 10.1109/APSCON60364.2024.10465885
Ananya Srivastava, Pranav Sharma, Axel Sikora, Achim Bittner, Alfons Dehe
{"title":"Temporal Behavior Analysis for the Impact of Combined Temperature and Humidity Variations on a Photoacoustic CO₂ Sensor","authors":"Ananya Srivastava, Pranav Sharma, Axel Sikora, Achim Bittner, Alfons Dehe","doi":"10.1109/APSCON60364.2024.10465885","DOIUrl":"https://doi.org/10.1109/APSCON60364.2024.10465885","url":null,"abstract":"This study explores the temporal response of an indirect photoacoustic CO2 sensor, focusing on combined temperature and humidity variations. The intricate relationship between temporal resolution, environmental conditions, and sensor repeatability is investigated. Through Studies 1 to 4, the impact of feature differences and explicit values on repeatability under varying temporal resolutions is assessed. A temporal resolution of 700 seconds is seen at the threshold R2 score of 0.80 when using changes in temperature and humidity as features, compared to 300 seconds when using explicit values of temperature and humidity as features. Furthermore, using time difference as an extra feature allows for prediction with varying temporal resolution, resulting in R2 score of up to 0.9933. The findings enhance the understanding of the sensor’s behavior in dynamic settings, contributing to its practical applicability and performance optimization.","PeriodicalId":518961,"journal":{"name":"2024 IEEE Applied Sensing Conference (APSCON)","volume":"84 3","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2024-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140531042","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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