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2021 IEEE Sensors最新文献

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Monitoring Zeolite Formation with Moving Electrode Conductometry 用移动电极电导法监测沸石形成
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639654
N. Doppelhammer, N. Pellens, B. Jakoby, C. Kirschhock, E. Reichel
{"title":"Monitoring Zeolite Formation with Moving Electrode Conductometry","authors":"N. Doppelhammer, N. Pellens, B. Jakoby, C. Kirschhock, E. Reichel","doi":"10.1109/SENSORS47087.2021.9639654","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639654","url":null,"abstract":"Conductivity measurements are used in many environmental and industrial applications such as water quality testing, concentration measurements and chemical reaction monitoring. The latter can be a challenging task, especially when high accuracy and robustness of the measurement device are required. Using a cell that was designed for accurate conductivity measurements of corrosive ionic media, we demonstrate in this work that our setup allows in-situ monitoring of crystallization reactions, in our case the formation of zeolites from highly alkaline solutions. Furthermore, we show that the recorded conductivity data compares to isothermal crystallization lines, allowing us to directly assess the crystallization behavior.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"41 11 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76364123","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: 1
Characterization of Induced Pluripotent Stem Cells Using a Pyroelectric Sensor 利用热释电传感器表征诱导多能干细胞
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639456
S. Pullano, M. Greco, S. Scalise, E. Parrotta, V. Lucchino, G. Cuda, A. Fiorillo
{"title":"Characterization of Induced Pluripotent Stem Cells Using a Pyroelectric Sensor","authors":"S. Pullano, M. Greco, S. Scalise, E. Parrotta, V. Lucchino, G. Cuda, A. Fiorillo","doi":"10.1109/SENSORS47087.2021.9639456","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639456","url":null,"abstract":"Characterization of cultured cells is extremely important for reproducible in vitro experiments. More recently, induced pluripotent stem cells (iPSCs) were intensively investigated as useful tool for precision medicine and disease modelling. In this work, a thermoelectric sensor was designed and fabricated to assess the thermal conductivity of cultured iPSCs. It exploits the pyroelectric effect of a thin film of Polyvinylidene-fluoride (PVDF) induced by an infrared (IR) source. Experimental validation was conducted on iPSCs derived from two subjects, one carries a loss-of-function mutation in SCN1A gene, codifying for the neuronal voltage gated sodium channel NaV1.1, and a healthy control. Our results highlight that pathological variant of NaV1.1 channel can lead to changes in the thermal conductivity of the cell.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"38 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76264846","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
Noninvasive current measurement in multi-conductor cables 多导体电缆的无创电流测量
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639867
S. Böller, Belmin Alic, A. Hennig, A. Grabmaier
{"title":"Noninvasive current measurement in multi-conductor cables","authors":"S. Böller, Belmin Alic, A. Hennig, A. Grabmaier","doi":"10.1109/SENSORS47087.2021.9639867","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639867","url":null,"abstract":"In this paper a novel approach to measure currents noninvasively in a multi-conductor cable with conductor level resolution is presented. The measurement is based on an evaluation of the magnetic field outside the cable. A sensor-device based on this approach can be installed without removing any part of the isolation, separating the conductors inside the cable or even turning of connected electrical consumers. It is therefore considered noninvasive. Based on this approach a sensor-device is developed and tested. A maximum measurement deviation of 4 percent is achieved.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"26 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79662901","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
IoT-Based Reconfigurable Micropump for Drug Delivery Applications 基于物联网的可重构微泵用于药物输送应用
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639776
Youssef Kotb, Mariam Hegazy, Kareem Abdelrahman, Zahwa Nour, Mohammed Al-Jebzi, Omar Ibrahim, Ahmed Gouda, M. Abdel-Mottaleb, M. Serry
{"title":"IoT-Based Reconfigurable Micropump for Drug Delivery Applications","authors":"Youssef Kotb, Mariam Hegazy, Kareem Abdelrahman, Zahwa Nour, Mohammed Al-Jebzi, Omar Ibrahim, Ahmed Gouda, M. Abdel-Mottaleb, M. Serry","doi":"10.1109/SENSORS47087.2021.9639776","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639776","url":null,"abstract":"This paper introduces an Internet-of-Things (IoT) based, wirelessly reconfigurable, sufficiently miniaturized micropumping device more suitable for personalized cancer therapy. The final product is intended to be locally implanted in tumor tissue, with the anticancer drug stored in refillable reservoirs. The wireless system facilitates the analysis of the transmitted data instantly, thus enabling control and reconfiguration of the drug administration regimen. The system was successfully implemented, tested in vitro, and proven to deliver a model anticancer drug accurately and achieve a cytotoxic effect on breast cancer cells (>71%) with an optimized remotely controlled bolus dosing regimen. The proposed pumping solution is intended to improve the therapeutic performance of cancer drugs by reversing their resistance.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"29 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79054660","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: 3
Low-cost Color Sensor for Automating Analytical Chemistry Processes 用于自动化分析化学过程的低成本颜色传感器
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639569
Shreya Malkurthi, Kirthi Vignan Reddy Yellakonda, Anushka Tiwari, A. Hussain
{"title":"Low-cost Color Sensor for Automating Analytical Chemistry Processes","authors":"Shreya Malkurthi, Kirthi Vignan Reddy Yellakonda, Anushka Tiwari, A. Hussain","doi":"10.1109/SENSORS47087.2021.9639569","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639569","url":null,"abstract":"Detection of color change is an important tool used in several analytical chemistry processes in various industries such as biomedical, diagnostics, agriculture, food processing, and so on. In this study, we present an automated color detection system to perform qualitative analysis of liquid reagents. Many of the available techniques for colorimetric applications make use of expensive, high-resolution digital cameras. We have developed a simple low-cost system based on a light emitting diode (LED) and light-dependent resistor (LDR) pair to obtain information about the color of a liquid reagent. This system has been compared with a camera-based system for color detection. The LED-LDR system provides information about the color of an object by obtaining relative intensities of red, green, and blue (RGB) light reflected by the object in a sequential process. The system was tested by obtaining color information for different concentrations of potassium permanganate solution and by determining the endpoint of a titration experiment. This versatile system can be used for many other colorimetric measurements, for example, the amount of dissolved ammonia in water using Nesslers reagent (potassium tetraiodomercurate).","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"73 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76923930","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: 3
Numerical and Experimental Study of a Phononic-Fluidic Sensor Using a Cubic Unit Cell with Spherical Void 球面孔洞立方胞体声子-流体传感器的数值与实验研究
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639587
Y. Belahurau, J. S. Jensen, F. Lucklum
{"title":"Numerical and Experimental Study of a Phononic-Fluidic Sensor Using a Cubic Unit Cell with Spherical Void","authors":"Y. Belahurau, J. S. Jensen, F. Lucklum","doi":"10.1109/SENSORS47087.2021.9639587","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639587","url":null,"abstract":"This paper presents a design study of a phononic-fluidic cavity sensor to measure volumetric properties of different liquids. A 3D finite element model shows that the sensor performance drastically depends on the lattice constant of a phononic crystal unit cell. As a result, the numerical model predicts the quality factor up to 200. As proof of concept, we fabricated several sensors using microstereolithography printing, and performed their experimental characterization. We achieved a good match of resonance frequency in the numerical model and experiments. Our experimental results displays a quality factor up to 55, and clearly separated resonance frequencies for different liquids in the cavity, with frequency shifts corresponding to differences in density and speed of sound.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"15 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80287964","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: 1
Sensor for In-situ Detection of Bacteria in Urinary Tract Infection 尿路感染细菌原位检测传感器
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639501
W. Yi, Jiachen Liu, Z. Cheng, Tung-Shi Huang, Kenny V. Brock
{"title":"Sensor for In-situ Detection of Bacteria in Urinary Tract Infection","authors":"W. Yi, Jiachen Liu, Z. Cheng, Tung-Shi Huang, Kenny V. Brock","doi":"10.1109/SENSORS47087.2021.9639501","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639501","url":null,"abstract":"Detection of bacteria in urine is essential for the early diagnosis of infectious diseases, especially urinary tract infection (UTI). Traditional methods of UTI detection are time-consuming and require a series of steps for sample processing and nurses’ intervene. In this work, a novel type of biosensor that uses antibodies as the bio-probe and magnetostrictive particles (MSPs) as the sensor platform is developed. The biosensor significantly simplifies the UTI detection into one step without any intervene or sample processing by nurses. No cell cultivation or lysis process is needed. Escherichia coli was used in the experiments to demonstrate the advantages of the biosensor. That is, Escherichia coli in urine is monitored by the sensor signal - resonant frequency shift of the MSP. It experimentally demonstrated that the sensors could generate stable signals in urine environments and the observed frequency shift was almost instantly and became increasingly apparent in as short as 20 minutes.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"10 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81279682","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
Electroosmotic Pump Using a Glass Fiber Filter for High Flow Rate Water Transport 采用玻璃纤维过滤器的电渗泵用于大流量输水
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639725
R. Ecker, A. Fuchsluger, B. Jakoby
{"title":"Electroosmotic Pump Using a Glass Fiber Filter for High Flow Rate Water Transport","authors":"R. Ecker, A. Fuchsluger, B. Jakoby","doi":"10.1109/SENSORS47087.2021.9639725","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639725","url":null,"abstract":"The design, fabrication, and evaluation of an electroosmotic pump (EOP) for high flow rate water transport is reported in this paper. Using polymethylmethacrylate (PMMA) as a substrate and using mainly thermal processing enables simple low-cost fabrication. The placement of a glass fiber filter in the main channel immensely increases the contact surface between water and glass, which, together with the associated high zeta potentials, significantly boosts the EOP efficiency. Therefore, our microfluidic pump can achieve both high flow rates and high pressures. With the application of two gas permeable polytetrafluoroethylene (PTFE) membranes, oxygen and hydrogen caused by spurious electrolysis are easily removed from the system. Moreover, highly chemically inert platinum wires are used as electrodes, furthering the durability of the pump.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"14 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88848947","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: 2
Pseudo-Passive Indoor ToF Sensing exploiting Visible Light Communication Sources 利用可见光通信源的伪被动室内ToF传感
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639696
Faisal Ahmed, Miguel Heredia Conde, O. Loffeld
{"title":"Pseudo-Passive Indoor ToF Sensing exploiting Visible Light Communication Sources","authors":"Faisal Ahmed, Miguel Heredia Conde, O. Loffeld","doi":"10.1109/SENSORS47087.2021.9639696","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639696","url":null,"abstract":"The need for active illumination is one of the fundamental downsides of state-of-the-art Time-of-Flight (ToF) cameras and translates into large power consumption as compared to passive imaging modalities. Recently, developments in visible light communications (VLC) have allowed the lighting infrastructure to provide both illumination and communication services in indoor environments. In this paper, we propose exploiting visible light sources as opportunity illuminators for indoor ToF sensing. This allows for drastically reducing the power consumption of the ToF camera, as the need for illumination modules is eliminated. We study the feasibility of this idea using an off-the-shelf VLC module, model the emitted light signal, and study its autocorrelation properties. We show that the prominence of two dominant frequencies, arising from the underlying clock signal and coding scheme, enables CW-ToF operation. Simulations carried out using real signals from the VLC module showed successful depth estimation, up to an offset, using standard methods for CW-ToF depth estimation such as the four-phases algorithm.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"28 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86971308","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: 5
New heterostructured Ni3S2-rGO based room temperature NH3 sensor 新型异质结构Ni3S2-rGO室温NH3传感器
2021 IEEE Sensors Pub Date : 2021-10-31 DOI: 10.1109/SENSORS47087.2021.9639478
B. Tlhaole, Neil J. Coville, E. Linganiso, N. Redon, C. Duc, J. Wojkiewicz, Thomas Fagniez
{"title":"New heterostructured Ni3S2-rGO based room temperature NH3 sensor","authors":"B. Tlhaole, Neil J. Coville, E. Linganiso, N. Redon, C. Duc, J. Wojkiewicz, Thomas Fagniez","doi":"10.1109/SENSORS47087.2021.9639478","DOIUrl":"https://doi.org/10.1109/SENSORS47087.2021.9639478","url":null,"abstract":"Two-dimensional (2D) layered transition metal chalcogenide nanomaterial (rhombohedral phase Ni3S2) hybridized with reduced graphene oxide layers to form a new mesoporous 2D heterostructure framework was fabricated using simple chemical methods. A thin layer of the prepared heterostructure was deposited onto gold electrodes which were fixed into polyethylene terephthalate (PET) flexible substrates. The prepared device showed a reproducible room temperature sensitivity to 80 ppb ammonia concentration at 50 % relative humidity.","PeriodicalId":6775,"journal":{"name":"2021 IEEE Sensors","volume":"12 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90224572","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: 1
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