2020 IEEE 15th International Conference on Nano/Micro Engineered and Molecular System (NEMS)最新文献

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Design and Implementation of Helicopter Drive Control Simulation System 直升机驱动控制仿真系统的设计与实现
Zhigang Wu, Fuzheng Chen, Kaiming Xu, Xianmin Peng, U. Wejinya, G. Shi
{"title":"Design and Implementation of Helicopter Drive Control Simulation System","authors":"Zhigang Wu, Fuzheng Chen, Kaiming Xu, Xianmin Peng, U. Wejinya, G. Shi","doi":"10.1109/NEMS50311.2020.9265598","DOIUrl":"https://doi.org/10.1109/NEMS50311.2020.9265598","url":null,"abstract":"For the demand of helicopter test, a helicopter drive control simulation system was designed and implemented. This paper describes the structure and principles of hardware, the control program, the non-load and load speed accuracy testing. According to the practical application and the experimental results, the feasibility and effectiveness of the hardware and software system are verified by field test, and the design and implementation of helicopter drive control system meets the requirements of helicopter test very well.","PeriodicalId":6787,"journal":{"name":"2020 IEEE 15th International Conference on Nano/Micro Engineered and Molecular System (NEMS)","volume":"104 1","pages":"186-189"},"PeriodicalIF":0.0,"publicationDate":"2020-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72917117","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
Characterization of trap geometry in flow through dielectrophoretic-microfluidic device for particle trapping 介电泳-微流控粒子捕获装置中流体中捕集器几何形状的表征
Mohammad Rizwen Ur Rahman, T. Kwak, J. C. Woehl, Woo-Jin Chang
{"title":"Characterization of trap geometry in flow through dielectrophoretic-microfluidic device for particle trapping","authors":"Mohammad Rizwen Ur Rahman, T. Kwak, J. C. Woehl, Woo-Jin Chang","doi":"10.1109/NEMS50311.2020.9265616","DOIUrl":"https://doi.org/10.1109/NEMS50311.2020.9265616","url":null,"abstract":"Dielectrophoresis, an electrokinetic technique can be used for contactless isolation and separation of micro- and nano-sized particles suspended in a fluid. We present a lab-on-a-chip microfluidic device based on negative-dielectrophoretic system to isolate particles based on their physical and dielectric properties. Effect of three different micro-trap geometries were studied experimentally for single particle trapping. A finite element model of the microfluidic device was developed and simulated to analyze direction and magnitude of dielectrophoretic force field for single-level particle trapping. These analysis of different shape μ-traps provide important insight on predicting trapping location, strength of the trapping zone and optimize geometry for high throughput particle trapping.","PeriodicalId":6787,"journal":{"name":"2020 IEEE 15th International Conference on Nano/Micro Engineered and Molecular System (NEMS)","volume":"622 1","pages":"206-210"},"PeriodicalIF":0.0,"publicationDate":"2020-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76805033","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
Fabrication of a Carbon Chain Based Nanosensor for Maximizing Spatial Resolution in DNA Sequencing 基于碳链的纳米传感器在DNA测序中最大化空间分辨率的制备
Bo Ma, S. Tung
{"title":"Fabrication of a Carbon Chain Based Nanosensor for Maximizing Spatial Resolution in DNA Sequencing","authors":"Bo Ma, S. Tung","doi":"10.1109/NEMS50311.2020.9265549","DOIUrl":"https://doi.org/10.1109/NEMS50311.2020.9265549","url":null,"abstract":"Using a carbon chain as the sensing element can significantly improve the spatial resolution in nanodevice based single molecule DNA sequencing. In this report, we demonstrate a top-down approach to reduce a single monolayer graphene attached to a silicon microelectrode chip to a sub-nanometer wide carbon chain suitable for DNA sequencing. This approach consists three major processing steps to first transfer the graphene to the chip, dice the attached graphene into graphene nanoribbons using Focused Ion Beam (FIB), and finally reduce the ribbon width by knocking off carbon atoms on the ribbon edge using Transmission Electron Microscopy (TEM). A final carbon chain of 0.8 nm wide and 5 nm long is accomplished. The measured electrical properties of the reduced graphene agree well with previous studies.","PeriodicalId":6787,"journal":{"name":"2020 IEEE 15th International Conference on Nano/Micro Engineered and Molecular System (NEMS)","volume":"33 1","pages":"238-241"},"PeriodicalIF":0.0,"publicationDate":"2020-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76296421","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
Effects of Commensurability on the Friction and Energy Dissipation in Graphene/Graphene Interface 通约性对石墨烯/石墨烯界面摩擦和能量耗散的影响
R. Lin, Zhiyong Wei, Yunfei Chen
{"title":"Effects of Commensurability on the Friction and Energy Dissipation in Graphene/Graphene Interface","authors":"R. Lin, Zhiyong Wei, Yunfei Chen","doi":"10.1109/NEMS50311.2020.9265623","DOIUrl":"https://doi.org/10.1109/NEMS50311.2020.9265623","url":null,"abstract":"The commensurability-dependent friction behavior of graphene is investigated using molecular dynamics simulations. The friction force and the dominate frequency of the friction system are calculated when the top graphene slides relative to the bottom graphene with different rotational angles. In commensurate contact, the friction and the energy dissipation are quite large, and the friction force increases with increasing sliding velocity at both zero and room temperature. However, the instantaneous friction is found to present unique behavior in incommensurate contact, such as the sharp reduce of the amplitude of both the friction force and the dominate frequency located around natural frequency of the tip. The interfacial potential barriers and the shearing stiffness under the same normal load with the molecular dynamics simulations is extracted with different rotational angles. It is observed that the topography of the interlayer potential energy and the interfacial stiffness have seen an evident change with commensurate-incommensurate transition. A novel mechanism is proposed which explains the difference of the graphene friction properties under different contact modes. These findings could benefit the modulation of the friction and energy dissipation, and also should be crucial to the application of the graphene-based nanodevices.","PeriodicalId":6787,"journal":{"name":"2020 IEEE 15th International Conference on Nano/Micro Engineered and Molecular System (NEMS)","volume":"23 1","pages":"524-528"},"PeriodicalIF":0.0,"publicationDate":"2020-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76152713","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
Vertically Aligned Carbon Nanotubes for Fast Humidity Sensing 用于快速湿度传感的垂直排列碳纳米管
Zichao Ma, Xiaoyi Wang, Lining Zhang
{"title":"Vertically Aligned Carbon Nanotubes for Fast Humidity Sensing","authors":"Zichao Ma, Xiaoyi Wang, Lining Zhang","doi":"10.1109/NEMS50311.2020.9265614","DOIUrl":"https://doi.org/10.1109/NEMS50311.2020.9265614","url":null,"abstract":"We report a fast-response humidity sensor fabricated using vertically aligned carbon nanotubes (CNT). The tips of CNT are intersected to form the resistive active region of the sensor, and the stem of the vertical CNT are aligned to create a clear path for moisture flow. The sensor showed a linear resistive response to relative humidity (RH) in a range of 10 % to 90 % and demonstrated the potential for real-time humidity monitoring. In transient characterizations, the sensor showed a response time of 1.9 s and a recovery time of 7.1 s to the RH of moisture flow that changes between 10 % RH and 90 % RH.","PeriodicalId":6787,"journal":{"name":"2020 IEEE 15th International Conference on Nano/Micro Engineered and Molecular System (NEMS)","volume":"87 1","pages":"312-315"},"PeriodicalIF":0.0,"publicationDate":"2020-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80966459","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
Smartphone-controlled Electrochemical Sensor for Copper Detection* 智能手机控制的铜检测电化学传感器*
Yang Li, Yu Song, J. Tong, C. Bian, S. Xia, Hanpeng Dong
{"title":"Smartphone-controlled Electrochemical Sensor for Copper Detection*","authors":"Yang Li, Yu Song, J. Tong, C. Bian, S. Xia, Hanpeng Dong","doi":"10.1109/NEMS50311.2020.9265637","DOIUrl":"https://doi.org/10.1109/NEMS50311.2020.9265637","url":null,"abstract":"this paper demonstrated a smartphone- controlled electrochemical sensor for copper ions (Cu2+) detection in waters. The electrochemical sensor is composed of a three-electrode-system and a detecting circuit module. The three-electrode-system is configured as an Au working- electrode, a Pt counter-electrode and an Ag/AgCl reference electrode. Configured under the square wave impulse voltammetry (SWV), the detecting circuit utilizes low-power consuming MCU to carry out constant potential control and weak current detection. Smartphone installed with the customized App can be used to control the operation of the sensor and implement data management in the detection process. The App was developed to realize the function of man-machine interaction and display testing curves of the electroanalytical measurements. Data exchange between the sensor and the smartphone is based on the Bluetooth protocol. A series of standard copper samples were tested to evaluate performance of the sensor, and the experimental results reveal that the sensor exhibits better sensitivity (4.064 μA/μgL-1) to Cu2+ than the original prototype from 0 μg/L to 1000 μg/L.","PeriodicalId":6787,"journal":{"name":"2020 IEEE 15th International Conference on Nano/Micro Engineered and Molecular System (NEMS)","volume":"43 1","pages":"5-8"},"PeriodicalIF":0.0,"publicationDate":"2020-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82532164","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
T4 Bacteriophage based Extended Gate Field Effect Transistors (T4B-EGFETs) for Bacteria Detection 用于细菌检测的T4噬菌体扩展门场效应晶体管(t4b - egfet)
Jingting Xu, Yi-Kuen Lee
{"title":"T4 Bacteriophage based Extended Gate Field Effect Transistors (T4B-EGFETs) for Bacteria Detection","authors":"Jingting Xu, Yi-Kuen Lee","doi":"10.1109/NEMS50311.2020.9265586","DOIUrl":"https://doi.org/10.1109/NEMS50311.2020.9265586","url":null,"abstract":"A T4 Bacteriophage based Extended Gate Field Effect Transistor (T4B-EGFET) was developed for viable bacteria detection. T4 bacteriophages were chemically immobilized on the surface of the extended gate connected to a MOSFET device for sensitive and specific detection of E. coli B bacteria cells. The capturing of the target bacteria cells by the anchored phages will induce a chemical potential, resulting in the shift of the threshold voltage, based on which the limit of detection (LOD) was obtained as 14±3 cfu/mL with a wide dynamic detection range (102~108 cfu/mL). Generalized gm/Id theory was employed for normalized electronic-electrochemical sensitivity analysis and the FET optimized working regime had been identified to be moderate inversion for bacteria detection.","PeriodicalId":6787,"journal":{"name":"2020 IEEE 15th International Conference on Nano/Micro Engineered and Molecular System (NEMS)","volume":"26 1","pages":"308-311"},"PeriodicalIF":0.0,"publicationDate":"2020-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78349437","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
Mechanical Properties of Magnetic-Field-Assisted Electrospun Poly(vinylidene fluoride) (PVDF) Nanofibers 磁场辅助静电纺丝聚偏氟乙烯纳米纤维的力学性能
Dingwen Deng, Hongze Zhang, Yan Zhang, Yin Zhang, Kedong Bi
{"title":"Mechanical Properties of Magnetic-Field-Assisted Electrospun Poly(vinylidene fluoride) (PVDF) Nanofibers","authors":"Dingwen Deng, Hongze Zhang, Yan Zhang, Yin Zhang, Kedong Bi","doi":"10.1109/NEMS50311.2020.9265588","DOIUrl":"https://doi.org/10.1109/NEMS50311.2020.9265588","url":null,"abstract":"The effect of the magnetic intensity on the morphology, alignment, mechanical properties, and molecular orientation of Poly(vinylidene fluoride) (PVDF) nanofibers prepared by magnetic-field-assisted electrospinning was studied. The PVDF nanofibers were characterized by using Scanning Electron Microscope, Atomic Force Microscopy, and Confocal Raman Microscopy. The experimental results show that with the increase of magnetic intensity, the diameters of the nanofibers become smaller and the alignment of nanofibers becomes better. The Raman spectroscopic analysis reveals that the β phase is the main crystal form in magnetic electrospun PVDF nanofibers. Besides, it is found that increasing magnetic intensity increases the molecular orientation of PVDF nanofibers, thus enhancing Young’s modulus of the single nanofiber.","PeriodicalId":6787,"journal":{"name":"2020 IEEE 15th International Conference on Nano/Micro Engineered and Molecular System (NEMS)","volume":"9 1","pages":"217-221"},"PeriodicalIF":0.0,"publicationDate":"2020-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81911309","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
Parallel Nanoliter Arrays Based Microfluidic Device for Quick Antimicrobial Susceptibility Testing 基于平行纳升阵列的微流控快速药敏试验装置
Mohammad Osaid, Yi-Sin Chen, Chih-Hung Wang, Anirban Sinha, Gwo-Bin Lee
{"title":"Parallel Nanoliter Arrays Based Microfluidic Device for Quick Antimicrobial Susceptibility Testing","authors":"Mohammad Osaid, Yi-Sin Chen, Chih-Hung Wang, Anirban Sinha, Gwo-Bin Lee","doi":"10.1109/NEMS50311.2020.9265597","DOIUrl":"https://doi.org/10.1109/NEMS50311.2020.9265597","url":null,"abstract":"Antimicrobial resistant bacteria is emerging as a great global threat. The inefficacy of antibiotics to control the growth of bacteria makes the bacterial infection difficult to cure. Rapid antimicrobial susceptibility testing (AST) of bacteria can be helpful in curbing the infection by identifying suitable antibiotics. The methods employed for performing AST in clinical settings relies on the growth of bacteria which is very time-consuming. Therefore, there is a pressing need for performing rapid AST. This study therefore presents an array-based multiplexed microfluidic platform to perform quick AST using multiple concentrations or types of antibiotics, simultaneously on a chip. The device involved only one loading process to generate all the microarrays to perform AST with four different concentrations of antibiotics, which makes the device parallelized and efficient. In this work, AST using four different concentrations of ampicillin with bacteria (E. coli ATCC 25922) has been demonstrated on one chip. Since all the antibiotics are on a single device, they are subjected to exactly the same condition which makes them suitable for comparison. Moreover, a suitable loading process was employed which ensured simultaneous filling and hence equal distribution of bacteria in all microarrays to perform the AST. With this approach, fast AST could be realized without human intervention.","PeriodicalId":6787,"journal":{"name":"2020 IEEE 15th International Conference on Nano/Micro Engineered and Molecular System (NEMS)","volume":"1 1","pages":"251-254"},"PeriodicalIF":0.0,"publicationDate":"2020-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90374096","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
A Flexible Piezo-Composite Ultrasound Blood Pressure Sensor with Silver Nanowire-based Stretchable Electrodes 基于银纳米线的可拉伸电极的柔性压电复合超声血压传感器
Chang Peng, Mengyue Chen, H. Sim, Yong Zhu, Xiaoning Jiang
{"title":"A Flexible Piezo-Composite Ultrasound Blood Pressure Sensor with Silver Nanowire-based Stretchable Electrodes","authors":"Chang Peng, Mengyue Chen, H. Sim, Yong Zhu, Xiaoning Jiang","doi":"10.1109/NEMS50311.2020.9265560","DOIUrl":"https://doi.org/10.1109/NEMS50311.2020.9265560","url":null,"abstract":"Monitoring blood pressure based on ultrasound demonstrates unique advantages over many other existing techniques such as noninvasiveness, preciseness, and convenience. However, conventional ultrasonic transducers/arrays are mostly developed with a rigid front, resulting in difficulty in maintaining a conformal contact with soft human skin in a setting of wearable devices. Here, we present a flexible ultrasound blood pressure sensor which was fabricated by a piezoelectric 1-3 composite and silver nanowire-based stretchable electrodes. Due to its flexibility, this sensor can be mounted onto skin without any constriction of body movement and discomfort. The prototyped flexible sensor was evaluated for blood pressure measurements. Specifically, blood vessel diameter variations were detected and translated into blood pressure waveforms. The findings suggest a great potential of this flexible ultrasound pressure sensor for wearable sensor applications.","PeriodicalId":6787,"journal":{"name":"2020 IEEE 15th International Conference on Nano/Micro Engineered and Molecular System (NEMS)","volume":"2012 1","pages":"143-146"},"PeriodicalIF":0.0,"publicationDate":"2020-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87838369","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
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