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High Sensitivity Hot-wire based Wind Velocity Sensor using Co-doped Fiber and Fiber Bragg Grating for use in mining applications
摘要： High Sensitivity Hot-wire based Wind Velocity Sensor using Co-doped Fiber and Fiber Bragg Grating for use in mining applications
关键词： Fiber Bragg Grating,Wind Velocity Sensor,Mining Applications,Co-doped Fiber
更新于2025-09-04 15:30:14
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[IEEE 2018 IEEE 13th Annual International Conference on Nano/Micro Engineered and Molecular Systems (NEMS) - Singapore, Singapore (2018.4.22-2018.4.26)] 2018 IEEE 13th Annual International Conference on Nano/Micro Engineered and Molecular Systems (NEMS) - A Novel Method for Fabricating Graphene Sensors in Channel for Biomedical Applications
摘要： Graphene is a 2D material possessing extraordinary electrical, mechanical and optical properties which paves way for fabricate biomedical applications. A well-known method graphene-based devices is depositing graphene using chemical vapor deposition and transferring it to any substrate using polymer support like PDMS (Polydimethylsiloxane). In this process multiple wetting and drying steps are required which compromises the quality of graphene. Also, PMMA leaves residues that are difficult to remove. Here, we report a novel method to fabricate graphene sensors inside PDMS channels. In this method graphene/copper stack is bonded on a PDMS surface using mechanical pressure and temperature. This PDMS layer is then bonded to another PDMS substrate containing microchannel. Etchant is flown through the microchannel to etch the copper and obtain graphene on PDMS. The graphene obtained on PDMS is characterized using optical images, scanning electron microscopy and Raman spectroscopy. This is an easy, simple to use and scalable method to obtain graphene sensors inside microchannels for biomedical applications.
关键词： Chemical Vapor Deposition,Biomedical Applications,Microchannel,Graphene,PDMS
更新于2025-09-04 15:30:14
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COMPACT HIGH-SELECTIVITY DUAL/TRI-BAND BANDPASS FILTERS FOR WLAN APPLICATIONS
摘要： This paper presents compact dual/tri-band bandpass ?lters (BPFs) with controllable frequency and high selectivity for WLAN applications. A stepped impedance resonator with a shorting stub and a uniform impedance resonator with an open stub are applied in the designs. Several techniques that can generate transmission zeros are combined to improve the frequency selectivity. The resonators and the proposed ?lters are characterized by full-wave simulations. To validate the design strategies, a dual-band BPF centered at 2.4 GHz and 5.2 GHz was ?rst designed. With a minor modi?cation, a tri-band BPF centered at 2.4 GHz, 5.2 GHz and 5.8 GHz was then developed. Both simulations and measurements were carried out to demonstrate the e?ectiveness of the designs. Good agreements are achieved.
关键词： Dual/Tri-Band,Bandpass Filters,WLAN Applications,Compact,High-Selectivity
更新于2025-09-04 15:30:14
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[SpringerBriefs in Materials] Anisotropic Metal Chalcogenide Nanomaterials (Synthesis, Assembly, and Applications) || Conclusion and Perspectives
摘要： This brief presented an overview of syntheses and applications of anisotropic MC nanomaterials. Tuning the morphologies of MC nanomaterials is categorized into four different routes: intrinsic growth, shape-guiding agent growth, oriented growth, and chemical transformation. Assembly of the pre-formed anisotropic MC nanomaterials widens their application by building up thin layer or superstructures. In addition, compositional variations in MC nanomaterials has been leading to a variety of applications, which can be further developed into new and unexplored morphologies in the near future.
关键词： chemical transformation,morphologies,anisotropic MC nanomaterials,oriented growth,syntheses,intrinsic growth,shape-guiding agent growth,applications
更新于2025-09-04 15:30:14
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Silicon Carbide Biotechnology || SiC RF Antennas for In Vivo Glucose Monitoring and WiFi Applications
摘要： The American Diabetes Association estimates that nearly 10% of the US population has diabetes and that, by 2050, one in three Americans will have diabetes. Diabetes mellitus is a metabolic disease in which the body is unable to produce or properly use insulin, leading to elevated glucose levels in the blood, known as hyperglycemia. A person with frequent or extended episodes of hyperglycemia can suffer from complications in the nervous system, blood vessels, and other organs, as well as heart disease, kidney disease, strokes, vision loss, and amputation [1,2,3]. Therefore, maintaining a healthy glucose level is essential in a person’s life.
关键词： SiC,Biocompatibility,RF Antennas,Glucose Monitoring,WiFi Applications,Diabetes
更新于2025-09-04 15:30:14
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Graphene Oxide as an Optical Biosensing Platform: A Progress Report
摘要： A few years ago, crucial graphene oxide (GO) features such as the carbon/oxygen ratio, number of layers, and lateral size were scarcely investigated and, thus, their impact on the overall optical biosensing performance was almost unknown. Nowadays valuable insights about these features are well documented in the literature, whereas others remain controversial. Moreover, most of the biosensing systems based on GO were amenable to operating as colloidal suspensions. Currently, the literature reports conceptually new approaches obviating the need of GO colloidal suspensions, enabling the integration of GO onto a solid phase and leading to their application in new biosensing devices. Furthermore, most GO-based biosensing devices exploit photoluminescent signals. However, further progress is also achieved in powerful label-free optical techniques exploiting GO in biosensing, particularly using optical fibers, surface plasmon resonance, and surface enhanced Raman scattering. Herein, a critical overview on these topics is offered, highlighting the key role of the physicochemical properties of GO. New challenges and opportunities in this exciting field are also highlighted.
关键词： bioanalytical applications,2D materials,label-free biosensors,optical devices,physicochemical properties
更新于2025-09-04 15:30:14