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Journal articles on the topic 'Ring-type piezoresistive force sensor'

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1

Kurniawan, W., R. Tjandra, and E. Obermeier. "Bulk-type piezoresistive force sensor for high pressure applications." Procedia Chemistry 1, no. 1 (2009): 544–47. http://dx.doi.org/10.1016/j.proche.2009.07.136.

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2

Chen, Jin Jun, and Ting Xiang. "Robot Soft Grabbing with New Piezoresistive Tactile Sensor." Advanced Materials Research 744 (August 2013): 501–4. http://dx.doi.org/10.4028/www.scientific.net/amr.744.501.

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A type of tactile sensors based on piezoresistive principle is designed for the robot grab force detection and control. According to human behaves and awareness, the robot grabbing control program imitate human hand grasp active perception and action mechanisms. With the tactile sensors, the slip and grasping process pressure signal is sampled and analysed by general time-domain statistical parameter, and a simpler control algorithm is researched. In the experiment the robot has accomplished soft grabbing by modeling human hand action and applied appropriate grabbing force on objects of differ
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3

Sitaramgupta V, V. S. N., Arjun B. S, Bhagaban Behera, Deepak Padmanabhan, and Hardik J. Pandya. "A Ring-Shaped MEMS-Based Piezoresistive Force Sensor for Cardiac Ablation Catheters." IEEE Sensors Journal 21, no. 22 (2021): 26042–49. http://dx.doi.org/10.1109/jsen.2021.3118298.

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4

Liu, Yan, Haijun Han, Yuming Mo, Xiaolong Wang, Huafeng Li, and Jin Zhang. "A flexible tactile sensor based on piezoresistive thin film for 3D force detection." Review of Scientific Instruments 93, no. 8 (2022): 085006. http://dx.doi.org/10.1063/5.0083428.

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This paper presents a flexible tactile sensor with a compact structure based on a piezoresistive thin film and an elastomer for detecting three-dimensional (3D) force. The film contains four independent sensing cells, which were made using a type of piezoresistive ink and a specific pectinate conductive circuit pattern based on the flexible substrate to decrease the coupling effect. The elastomer with a spherical surface is bonded to the surface of the film and transfers the force to the sensing array. A model of 3D force detection based on the proposed sensor was established, and a prototype
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5

Lee, Da-Huei, Cheng-Hsin Chuang, Muhammad Omar Shaikh, et al. "Flexible Piezoresistive Tactile Sensor Based on Polymeric Nanocomposites with Grid-Type Microstructure." Micromachines 12, no. 4 (2021): 452. http://dx.doi.org/10.3390/mi12040452.

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Piezoresistive tactile sensors made using nanocomposite polymeric materials have been shown to possess good flexibility, electrical performance, and sensitivity. However, the sensing performance, especially in the low-pressure range, can be significantly improved by enabling uniform dispersion of the filler material and utilization of effective structural designs that improve the tactile sensing performance. In this study, a novel flexible piezoresistive tactile sensor with a grid-type microstructure was fabricated using polymer composites comprising multi-walled carbon nanotubes (MWCNTs) as t
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Li, Shuge, Pengju Zhao, and Wencheng Sun. "Structural Design and Static Calibration of Six-axis Force/Torque Sensor." Journal of Physics: Conference Series 2557, no. 1 (2023): 012075. http://dx.doi.org/10.1088/1742-6596/2557/1/012075.

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Abstract A six-axis force/torque sensor is designed to solve the problems of the sensor with a resistance strain gauge. For instance, if the adhesive layer of the resistance strain gauge is not firm, the elastic sensing beam will have plastic deformation. The cylindrical conductive rubber is used as the sensing unit, which can detect force/torque by the change of the piezoresistive values. The units are arranged in a spatial eight-point staggered manner, which can reduce the dimensional coupling from the structure. The sensor static calibration is systematically analyzed and researched. The li
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7

Huang, Kaiyan, Shuying Tong, Xuewei Shi, et al. "The Numerical and Experimental Investigation of Piezoresistive Performance of Carbon Nanotube/Carbon Black/Polyvinylidene Fluoride Composite." Materials 16, no. 16 (2023): 5581. http://dx.doi.org/10.3390/ma16165581.

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The composites with multiple types of nano-carbon fillers have better electrical conductivity and piezoresistive properties as compared with composites with a single type of nano-carbon fillers. As previously reported, the nano-carbon fillers with various aspect ratios, such as carbon nanotube (CNT) and carbon black (CB), have synergistic enhanced effects on the piezoresistive performance of composite sensors. However, most of the works that have been reported are experimental investigations. The efficient and usable numerical simulation investigation needs to be further developed. In this stu
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8

Zhang, Peng, Yucheng Chen, Yuxia Li, et al. "Flexible Piezoresistive Sensor with the Microarray Structure Based on Self-Assembly of Multi-Walled Carbon Nanotubes." Sensors 19, no. 22 (2019): 4985. http://dx.doi.org/10.3390/s19224985.

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High-performance flexible pressure sensors have great application prospects in numerous fields, including the robot skin, intelligent prosthetic hands and wearable devices. In the present study, a novel type of flexible piezoresistive sensor is presented. The proposed sensor has remarkable superiorities, including high sensitivity, high repeatability, a simple manufacturing procedure and low initial cost. In this sensor, multi-walled carbon nanotubes were assembled onto a polydimethylsiloxane film with a pyramidal microarray structure through a layer-by-layer self-assembly system. It was found
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9

Krestovnikov, Konstantin, Aleksei Erashov, and Аleksandr Bykov. "Development of circuit solution and design of capacitive pressure sensor array for applied robotics." Robotics and Technical Cybernetics 8, no. 4 (2020): 296–307. http://dx.doi.org/10.31776/rtcj.8406.

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This paper presents development of pressure sensor array with capacitance-type unit sensors, with scalable number of cells. Different assemblies of unit pressure sensors and their arrays were considered, their characteristics and fabrication methods were investigated. The structure of primary pressure transducer (PPT) array was presented; its operating principle of array was illustrated, calculated reference ratios were derived. The interface circuit, allowing to transform the changes in the primary transducer capacitance into voltage level variations, was proposed. A prototype sensor was impl
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10

Li, Gang, Lei Li, Xiao Feng Zhao, Dian Zhong Wen, and Yang Yu. "The Vibration Pickup of Micro-Pump Diaphragm Based on MEMS Technology Design." Key Engineering Materials 609-610 (April 2014): 837–41. http://dx.doi.org/10.4028/www.scientific.net/kem.609-610.837.

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This paper designs a micro-pump silicon diaphragm vibration pickup sensor. In this newsensor which is based on piezoresistive effect, four MOSFETs with nc-Si/c-Si heterojunction drainand source are manufactured on the surface of silicon wafer by using the technique of CMOS andPECVD, at edge of <100> orientation of the N-type silicon diaphragm rectangle, and using MEMStechnology, the back of the four MOSFETs device silicon substrate processed into silicon cup, whichconstitutes the vibration pickup sensor. The micro-pump silicon diaphragm vibration pickup sensornot only has all the advanta
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11

Rizal, Muhammad, Jaharah A. Ghani, and Amir Zaki Mubarak. "Design and Development of a Tri-Axial Turning Dynamometer Utilizing Cross-Beam Type Force Transducer for Fine-Turning Cutting Force Measurement." Sensors 22, no. 22 (2022): 8751. http://dx.doi.org/10.3390/s22228751.

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The main focus of this work was the design and development of a cross-beam force transducer for use in the construction of a tri-axial dynamometer. This dynamometer would be able to measure the cutting force along all three axes simultaneously during turning operations. The force transducer was built on the concept of the Maltese cross-beam, but it had been modified and improved so that it had a higher sensitivity and reduced the amount of interference error or cross-talk error that it produced. An investigation into the distribution of strain, as well as the determination of sensor locations
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12

Chadwick, K. M., D. J. DeTurris, and J. A. Schetz. "Direct Measurements of Skin Friction in Supersonic Combustion Flow Fields." Journal of Engineering for Gas Turbines and Power 115, no. 3 (1993): 507–14. http://dx.doi.org/10.1115/1.2906737.

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An experimental investigation was conducted to measure skin friction along the chamber walls of supersonic combustors. A direct force measurement device was used to measure simultaneously an axial and a transverse component of the small tangential shear force passing over a nonintrusive floating element. This measurement was made possible with a sensitive piezoresistive deflection sensing unit. The floating head is mounted to a stiff cantilever beam arrangement with deflection due to the flow on the order of 0.00254 mm (0.0001 in). This allowed the instrument to be a nonnulling type. A second
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13

Xiong, Zhuang, Benjamin Walter, Estelle Mairiaux, Marc Faucher, Lionel Buchaillot, and Bernard Legrand. "Piezoresistive Ring-Shaped AFM Sensors with Pico-Newton Force Resolution." International Journal of Intelligent Mechatronics and Robotics 3, no. 1 (2013): 38–52. http://dx.doi.org/10.4018/ijimr.2013010104.

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A new concept of Atomic Force Microscope (AFM) oscillating probes using electrostatic excitation and piezoresistive detection is presented. The probe is characterized by electrical methods in a vacuum chamber and by mechanical methods in air. The frequency-mixing measurement technique is developed to reduce the parasitic signal level. These probes resonant in the 1MHz range and the quality factor is measured about 53000 in vacuum and 3000 in air. The ring probe is mounted onto a commercial AFM set-up and the surface topography of PMMA sample (2 µm square) is obtained. The force resolution dedu
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14

Hong, Wonki, Jungmin Lee, and Won Gu Lee. "A Dual-Padded, Protrusion-Incorporated, Ring-Type Sensor for the Measurement of Food Mass and Intake." Sensors 20, no. 19 (2020): 5623. http://dx.doi.org/10.3390/s20195623.

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Dietary monitoring is vital in healthcare because knowing food mass and intake (FMI) plays an essential role in revitalizing a person’s health and physical condition. In this study, we report the development of a highly sensitive ring-type biosensor for the detection of FMI for dietary monitoring. To identify lightweight food on a spoon, we enhance the sensing system’s sensitivity with three components: (1) a first-class lever mechanism, (2) a dual pad sensor, and (3) a force focusing structure using a ring surface having protrusions. As a result, we confirmed that, as the food arm’s length in
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15

KUSANO, Tadamasa, Takeshi OKUYAMA, and Mami TANAKA. "Study on characteristics evaluation of ring-type fingertip force sensor in various finger postures." Proceedings of the Conference on Information, Intelligence and Precision Equipment : IIP 2018 (2018): 1B12_1. http://dx.doi.org/10.1299/jsmeiip.2018.1b12_1.

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16

Toyama, Shigeru, Satoshi Shirogane, Takashi Nakamura, Kenta Watanabe, and Kazuhiro Hara. "Development of Thin Shear Force Sensor Aimed at Improving QOL for Persons with Disabilities." Proceedings 2, no. 13 (2018): 704. http://dx.doi.org/10.3390/proceedings2130704.

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We have been developing a sheet type shear force sensor. It has a unique structure consisting of two flexible electrode films, a rubber ring, and a liquid electrolyte. One of the electrode films has a central electrode and the other film had four symmetrically arranged electrodes. The diameter of the sensor head was 10 mm and the thickness was about 0.7 mm. We also developed mobile measurement circuit and software for the computer. This system can handle up to four sensors simultaneously. Furthermore, we obtained experimental data by attaching the sensor to a human body using a double‐sided ad
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17

OKUYAMA, Takeshi, Masaaki Mita, and Mami TANAKA. "Study on measurement of tendon indentation by a finger ring type sensor for measuring fingertip force." Proceedings of Mechanical Engineering Congress, Japan 2020 (2020): J16314. http://dx.doi.org/10.1299/jsmemecj.2020.j16314.

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18

Shilova, Irina. "PHYSICAL-MATHEMATICAL MODEL OF BENDING FIBER-OPTIC SENSOR OF FORCE." Bulletin of Bryansk state technical university 2020, no. 1 (2020): 18–27. http://dx.doi.org/10.30987/1999-8775-2020-2020-1-18-27.

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There is presented a model of an explosion-proof, jam-resistant under conditions of high level electromagnetic fields fiber-optical sensor of tensile force on the basis of a fiber-optical transformer of movements in which a distinctive peculiarity is an application of loss changes in radiation spreading in sensitive elements as ring loops deformed elliptically of multi-mode fiber light-guides forming a bundle that allows using a diode as a radiation source installed without a special alignment device. 
 It is defined that a peculiarity of bending fiber-optical transformers of movement of
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19

Li, Y., G. W. Yang, Q. Z. Meng, and K. Z. Wang. "Research on dynamic characteristics of gun turret under launching load." Journal of Physics: Conference Series 2478, no. 9 (2023): 092009. http://dx.doi.org/10.1088/1742-6596/2478/9/092009.

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Abstract The purpose of this study is to further study the dynamic characteristics of gun turret under firing load. Firstly, the relative motion between inner ring and outer ring was decomposed into axial translational motion, radial translational motion and rotational freedom in two orthogonal radial planes in order to solve the problem of large number of ball bearings and complex contact calculation in the actual structure of turret ring. Then, the equivalent dynamic mathematical model of turret ring was established. Based on the finite element method, the turret ring is equivalent to Bushin
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20

Middleton, S. D., P. J. Jenkins, A. Y. Muir, R. E. Anakwe, and J. E. McEachan. "Variability in local pressures under digital tourniquets." Journal of Hand Surgery (European Volume) 39, no. 6 (2013): 637–41. http://dx.doi.org/10.1177/1753193413492059.

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The UK National Patient Safety Agency issued a rapid response report in 2009 following reports of complications related to digital tourniquet use and inadvertent retention. In their guidance, they recommend the use of CE marked digital tourniquets and advise against the use of surgical gloves. There are a number of different commercially available non-pneumatic digital tourniquets, but little clear data relating to their comparable physical properties, clinical efficacy or safety. The aim of this study was to investigate the variability of pressures exerted by non-pneumatic digital tourniquets
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21

Romero-Soto, Fabian Oswaldo, Mohammad Mahdi Aeinehvand, Marc Madou, and Sergio Omar Martinez-Chapa. "(Digital Presentation) An Electrochemical Sensor in a Disc for Real-Time PCR Assisted with Thermal Convective Flow." ECS Meeting Abstracts MA2022-02, no. 61 (2022): 2230. http://dx.doi.org/10.1149/ma2022-02612230mtgabs.

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Nowadays, the polymerase chain reaction (PCR) has extensively adapted to microfluidic devices for several features such as the low consumption of reagents and sample, portability, high-throughput, and low fabrication costs [1]. The reduction of the amplification time has been a relevant parameter since the invention of the PCR, where rapid microfluidic PCR is especially preferred for the detection of infectious diseases [1,2]. The continuous-flow-based PCR is a type of microfluidic PCR that proposes the mobilization of the PCR mixture through a microchannel with different fixed temperature zon
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22

Mohanraj, Thangamuthu, Mohammad Uddin, and Sevagoundanoor Karuppusamy Thangarasu. "Review on sensor design for cutting force measurement." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, June 14, 2022, 095440892211062. http://dx.doi.org/10.1177/09544089221106264.

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The measurement of cutting force is one of the key factors in determining the tool condition and improving machine reliability. Therefore, the cutting force measurement becomes crucial to improve the machining process. The cutting force can be measured with piezoelectric as well as piezoresistive transducers. The force measuring transducers with later ones are cost-effective and can be easily installed in any small/medium-scale enterprise. For this approach, the selection of sensing elements is essential. The various mechanical ring elements were used for sensing the deformation. The low-cost
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23

Rizal, Muhammad, Jaharah A. Ghani, Husni Usman, Muhammad Dirhamsyah, and Amir Zaki Mubarak. "Development and testing of a stationary dynamometer using cross-beam-type force-sensing elements for three-axis cutting force measurement in milling operations." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, June 23, 2023. http://dx.doi.org/10.1177/09544054231182175.

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This study focused on the development and testing of a stationary dynamometer using force-sensing elements capable of measuring three axes of cutting force during milling operations. The force-sensing element was based on the Maltese cross-beam concept but has been improved and modified to increase sensitivity and reduce interference or cross-talk error. A Finite element analysis was conducted to study strain distribution and determine sensor positions in the force-sensing element. By using four force-sensing elements and several piezoresistive strain sensors, a stationary dynamometer prototyp
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24

Fullenkamp, Dominic E., Seyong Oh, Yoonseok Park, et al. "Abstract 11979: Direct Assessment of Engineered Heart Tissue Field Potential and Contraction Dynamics Using Flexible Electronics Technology." Circulation 146, Suppl_1 (2022). http://dx.doi.org/10.1161/circ.146.suppl_1.11979.

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Introduction: Human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) enable the study of human heart disease in a dish. However, when cultured as cells on plastic, these 2D models are immature and exhibit non-physiologic outputs. When cultured as engineered heart tissues (EHTs or 3D models), hiPSC-CMs display a more mature gene and protein profile. Although multielectrode array (MEA) platforms have been applied to 2D cultures to study the electrical properties of hiPSC-CMs, a similar approach has been lacking for EHTs. We now took advantage of technological advances in flexible
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25

Mariasiu, Florin. "Benchmark tests for a Formula SAE Student car prototyping." Open Engineering 1, no. 4 (2011). http://dx.doi.org/10.2478/s13531-011-0047-0.

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AbstractAerodynamic characteristics of a vehicle are important elements in its design and construction. A low drag coefficient brings significant fuel savings and increased engine power efficiency. In designing and developing vehicles trough computer simulation process to determine the vehicles aerodynamic characteristics are using dedicated CFD (Computer Fluid Dynamics) software packages. However, the results obtained by this faster and cheaper method, are validated by experiments in wind tunnels tests, which are expensive and were complex testing equipment are used in relatively high costs.
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26

Faust, Leon Marcel, Alexander Martin Keppler, Eduardo Suero, et al. "The grade of instability in fragility fractures of the pelvis correlates with impaired early mobilization." European Journal of Trauma and Emergency Surgery, March 13, 2022. http://dx.doi.org/10.1007/s00068-022-01933-y.

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Abstract Purpose This study aimed to investigate whether gait patterns of patients with fragility fractures of the pelvis (FFP) comply with the grade of fracture instability, defined by radiological patterns. Patients and methods This prospective, single-center, observational study included 39 patients with an FFP. Gait analysis was performed with a wearable insole force sensor (Loadsol® by Novel, Munich, Germany) 4–7 days after admission. Patients were divided in two groups: Group A included FFP type 1 fractures, which affect the anterior pelvic ring only, Group B contained FFP type 2–4 fract
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27

Khalaf, Jamal Kheiro, and Diyar Sadiq. "Fabrication of pyramid-shaped gold tip for adiabatic nanofocusing of surface plasmon polaritons." Journal of Vacuum Science & Technology B 41, no. 5 (2023). http://dx.doi.org/10.1116/6.0002505.

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Scattering-type scanning near-field optical microscopy based on adiabatic nanofocusing of surface plasmon polaritons (SPPs) is a powerful technique that can achieve free-background nanoscale optical resolution of material. However, the performance of the propagated confined modes strongly depends on the characteristic structure of the probe. Although the metallic pyramid structure provides excellent tightly confined modes, however, it is challenging to realize the required pyramid geometry. Here, we propose a simple method for fabricating a reproducible and controllable gold pyramid-shaped tip
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28

Okumura, Yasuo, Benhur D. Henz, Susa B. Johnson, and Douglas L. Packer. "Abstract 3223: Feasibility and Safety of the Integrated 3D Image and Contact Force-Guided Ablation for Atrial Fibrillation with the Hansen Robotic Catheter Sheath System." Circulation 116, suppl_16 (2007). http://dx.doi.org/10.1161/circ.116.suppl_16.ii_725-a.

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Background: Current technologies to fully “register” surrogate maps onto 3D CT (CartoMerge, NavxMerge) or 3D ICE images (CartoSound) have emerged to guide ablation. The feasibility of navigation with the Hansen Robotic Catheter Sheath System (HRCS) has also been reported. Integrated 3D Image and contact force sensor with this robotic system may allow for feasibility and safety for guiding complex anatomic-based ablation. Methods: Circumferential pulmonary vein (PV) ablation with the robotic system guided by integrated 3D images (CartoMerge, NavxMerge or CartoSound) (n=3), were done and compare
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29

Dareka, Madhavi Sharad, and B. M. Praveen. "Effects of Heat Treatment in Air Atmosphere on Dip Coating Deposited CdS Thin Films for Photo Sensor Applications." Journal of Modern Nanotechnology, April 20, 2023. http://dx.doi.org/10.53964/jmn.2023002.

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Objective: In this report, photo sensitive materials with enhanced charge carriers have been prepared using dip coating technique. Methods: Cadmium sulphide (CdS) is N-type semiconductor compound belonging to II-VI group. CdS nanoparticles were synthesized using non-aqueous chemical method and characterized by ultraviolet-visible (UV-Vis) absorption spectroscopy, photoluminescence (PL) and transmission electron microscopy. CdS films were deposited on fluorine doped tin oxide (FTO) glass slides using dip coating method at different dip times and heat treated in air and analyzed by X-ray diffrac
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