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1729 articles for “Device to device”
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Effect of PMMA Micropillars on the Surface-Driven Capillary Flow of Dyed Aqueous Isopropyl Alcohol in PMMA Microfluidic Devices
Abstract: In this work, dyed aqueous isopropyl alcohol [60% isopropyl alcohol (IPA), 40% dyed water] is prepared as the working liquid. The effect of surface modification on the microfluidic flow of aqueous isopropyl alcohol (IPA) is studied in the polymethylmethacrylate (PMMA) microfluidic devices. The effect of surface area to volume ratio on microfluidic flow of aqueous isopropyl alcohol is also studied. The effect of microfluidic friction on microfluidic flow of aqueous …
Published in Journal of Catalyst & Catalysis · Vol. 6, Issue 2, 2019 · pp. 44–47 Read article
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Integrated Microfluidic Platform for Accelerated Catalytic Analysis: Enhancing Sensitivity and Efficiency
Abstract: In this study, we introduce a groundbreaking advancement in microfluidic technology tailored for catalytic and catalytic analysis. Our innovative microfluidic device integrates novel features aimed at augmenting sensitivity and accelerating analysis while ensuring reliability and user-friendliness. The hallmark of our device is the fusion of sample preparation and analysis functionalities within the microfluidic chip. By embedding sample preconcentration and purification modules, we achieve remarkable enhancements in sensitivity and detection limits. …
Published in Journal of Catalyst & Catalysis · Vol. 10, Issue 2, 2023 · pp. 51–27 Read article
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Social Distancing Monitoring Device Using AI
Abstract: Social distancing plays vital role in preventing the spread of viral diseases illnesses such as COVID-19. Minimize the close contact of the people.We can reduce spread of COVID-19.With a total of more than 1cr COVID-19 confirmed cases in the India, the country continues to implement tighter precautionary measures especially with the re-opening of business and government establishments. This paper proposes an automatic social distancing device and body temperature detection that …
Published in Journal of Microcontroller Engineering and Applications · Vol. 8, Issue 2, 2021 · pp. 21–29 Read article
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Communication Interpretation Device for Deaf and Blind
Abstract: Abstract-At immediate circumstances differently abled people require pathway to lead a normal life. Technology has always helped people with disabilities. Due to digital revolution, many apps and gadgets have reduced the challenges faced on a daily basis by differently abled. The aim of our research paper is to create a single device solution in such a way which is simple, fast, accurate and cost-effective. The main purpose of the prototype …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 8, Issue 1, 2021 · pp. 1–6 Read article
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A High Performance Reference Circuit with Optimized Input Offset Operational Amplifier using Device Mismatch Model
Abstract: In this paper, author describes a band gap reference (BGR) circuit, having reference voltage 1.20V with maximum temperature coefficient of 63 ppm/0C in temperature range of –40 to 120 0C. The circuit operates in range of supply voltage, 3.0V to 3.6V. An operational amplifier (op-amp), whose input offset voltage is reduced upto 892 µV using Pelgrom’s device mismatch model is used in BGR. The power supply rejection ratio of circuit …
Published in Journal of VLSI Design Tools and Technology · Vol. 3, Issue 1, 2013 · pp. 1–7 Read article
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A Review for Power Optimization in MOS Devices using Different Logic Styles
Abstract: This paper presents power optimization in MOS devices by using different logic styles which is helpful for increasing high speed application. The simulation process can be done in different CMOS technologies and performance parameter of power is compared for different logic styles. Full adder and ripple carry adder are mostly used to define different logics to optimize the power. Constant logic style provides the low power and different logic style …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 1, 2016 · pp. 16–20 Read article
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Effect of Various Parameters on Threshold Voltage of Virtually Fabricated Lightly Doped PMOS Device
Abstract: This paper emphasis on the design, fabrication and analysis of 45 nm P type MOSFET device using SILVACO TCAD tool. The analysis was based on variation of various parameters like oxide thickness, threshold implant and halo implant (pockets) to analyze the threshold voltage. The drain versus gate and drain versus gate plots are being plotted using tony-plot. It has been observed that as the thickness of the oxide increases, threshold …
Published in Journal of VLSI Design Tools and Technology · Vol. 7, Issue 2, 2017 · pp. 13–20 Read article
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Short Review on the Effects of Plasma Processing Techniques in PMMA Microfluidic Device
Abstract: Abstract: The plasma processing techniques are useful for surface modifications on polymer surfaces. The appropriate surface modification alters the level of static contact angles on the polymer surfaces. The surface-driven microfluidic flow of suitable working liquid is sensitive to the static contact angle of microchannel surfaces fabricated by different polymers. Therefore, plasma processing techniques are suitable to vary the flow speed of working liquids in microfluidics. In future, this review …
Published in Recent Trends in Fluid Mechanics · Vol. 6, Issue 1, 2019 · pp. 20–22 Read article
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The ballistics device- Potato Cannon
Abstract: Spud guns, also known as potato cannons, represent a fascinating intersection of ingenuity, physics, and recreational engineering. This paper delves into the dynamics, construction, and potential applications of spud guns. These devices typically consist of a combustion chamber, a barrel, and a triggering mechanism. The propulsion system involves igniting a gaseous mixture, often generated from aerosol propellants or other combustible materials, which propels a projectile—usually a potato or similar object—out …
Published in Recent Trends in Fluid Mechanics · Vol. 10, Issue 3, 2023 · pp. 36–41 Read article
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A Comparative Analysis of GSM-Dependent Women Safety Devices in the Market
Abstract: The right to be free from abuse, harassment, and discrimination applies to women. Women may achieve their full potential as individuals and contributors to the workforce, communities, and economies by removing the barriers created by unsafe environments. However, according to the World Health Organisation, one in three (35%) women worldwide have encountered non-partner sexual assault or intimate relationship abuse in their lives. This study defines a Device for Women Safety …
Published in Recent Trends in Sensor Research & Technology · Vol. 10, Issue 1, 2023 · pp. 21–29 Read article
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A Module to Connect Different Sensors to The Existing Varun Main Controller Device
Abstract: This research paper presents the development of a sensor interface module that expands the data acquisition capabilities of existing Varun main controller devices. Traditional agriculture frequently makes decisions based on past performance, which can result in inefficiencies and have an adverse effect on the environment. By utilizing sensor technology and data analysis, precision agriculture presents a possible option. This method gathers real-time data on a range of agricultural factors by …
Published in Recent Trends in Sensor Research & Technology · Vol. 10, Issue 3, 2023 · pp. 30–43 Read article
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Cryptography of 5th Generation Network Security Attacks in D2D Communication: A Review
Abstract: Cryptography is the science for hiding the secret information. Cryptography is a technique/method that allows data to be sent in a secret and a secure form. In the present era, 5G technology is the most prominent technology in the network domain. However, it was said to be available in 2020, but still there are many views of expected features, benefits, and threats in 5G. 5G is a promising technology that …
Published in Journal of Communication Engineering & Systems · Vol. 13, Issue 1, 2023 · pp. 15–24 Read article
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Security Improvisation Technique for Internet of Things (IoT) Devices by Using Group Secure Key Generation Based on IIC Metrics
Abstract: Across various fields of use, the Internet of Things (IoT), that supports farmers across agriculture, smart home and healthcare, has become important. When it comes to processing large volumes of data, it is challenging to design an effective framework with a range of systems and to enforce satisfactory protocols with privacy and protection. Due to the huge amount of information to be produced and managed, along with resources of standard …
Published in Journal Of Network security · Vol. 10, Issue 3, 2022 · pp. 24–29 Read article
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Efficacy of Speech Recording Devices
Abstract: Proper selection of a speech recording system is essential in speech and language clinics for the correct diagnoses. The commonly used recording systems among student professionals include cassette recorder (CR), digital voice recorder (DVR) and mobile phones (MPs). Even among them, they are used as per availability and not based upon any empirical findings. The aim of the present study was to have a comparative analysis between the efficacy of …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 8, Issue 2, 2019 · pp. 10–16 Read article
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Wireless Biosensing Polymer Composites for Smart Healthcare Devices
Abstract: The wireless biosensing polymer composites have been found as one of the possible solutions in developing flexible, real-time and intelligent healthcare monitoring systems. Biomimic polymer matrices coupled with conductive nanomaterials can be used to design an understanding of physiological signals (strain, pressure, and temperature) that are highly sensitive and adaptable sensors. The attachment of these sensors to wireless communication systems, such as the Bluetooth Low Energy and Wi-Fi, eases the …
Published in Journal of Polymer & Composites · Vol. 14, Issue 14, 2026 Read article
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A Review on Arduino Based Distance Measurement Device
Abstract: Distance measurement plays a vital role in modern engineering applications such as robotics, defense systems, automotive safety, industrial automation, and assistive technologies. Traditional measuring tools such as rulers and measuring tapes are simple but not suitable for real-time and dynamic environments. On the other hand, advanced technologies such as LiDAR and radar provide high accuracy but involve high cost and complex implementation. This review paper provides a thorough analysis of …
Published in Journal of VLSI Design Tools and Technology · Vol. 16, Issue 2, 2026 · pp. 40–46 Read article
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Conductive Polymer Nanocomposites for Wearable Cardiac Monitoring Devices
Abstract: Wearable cardiac monitoring devices are increasingly important tools for non-invasive, continuous assessment of cardiac health. Their growth is driven by increases in the incidence of arrhythmias and by a great demand for remote monitoring. This is changing with the use of conductive polymer nanocomposites (CPNCs). They combine physical properties of mechanical flexibility, high electrical conductivity, and good biocompatibility resulting in high precision, and comfortable sensing. CPNCs combine conductive polymers with …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Carbon quantum dots (CQDs) and bioinspired photonic nanomaterials have emerged as promising multifunctional platforms for a wide range of applications in optoelectronics, nanomedicine, biosensing, fluorescence imaging, and photodynamic therapy. CQDs are nanoscale carbon-based materials characterized by unique optical and electronic properties, including size-dependent photoluminescence, high photostability, excellent water solubility, low cytotoxicity, and remarkable biocompatibility. These characteristics make them attractive alternatives to conventional semiconductor quantum dots for both technological and biomedical applications. Inspired by natural photonic systems such as photosynthetic light-harvesting complexes, rhodopsin-based photoreceptors, butterfly wings, and bioluminescent organisms, researchers have developed advanced nanostructures capable of efficient photon capture, energy transfer, and photoinduced charge separation. Recent advances in synthesis techniques, including hydrothermal, solvothermal, microwave-assisted, and green synthesis approaches, have enabled precise control over the size, surface chemistry, and optical properties of CQDs. Functionalization and heteroatom doping further enhance their photophysical performance and application versatility. In optoelectronics, CQDs have been incorporated into photodetectors, solar cells, light-emitting diodes, and flexible electronic devices due to their tunable emission characteristics and efficient charge transport properties. In the biomedical field, CQDs are increasingly utilized for targeted drug delivery, bioimaging, biosensing, and photodynamic therapy because of their excellent fluorescence behavior and biological compatibility. Furthermore, bioinspired photonic nanomaterials are being explored for artificial photosynthesis and sustainable energy conversion systems, where efficient light harvesting and electron transfer are critical. This review highlights recent developments in the synthesis, photophysical properties, and multifunctional applications of CQDs and related bioinspired photonic nanomaterials, while discussing current challenges and future opportunities for the development of intelligent nanophotonic and bioelectronic technologies.
Abstract: Carbon quantum dots (CQDs) and bioinspired photonic nanomaterials have emerged as promising multifunctional platforms for a wide range of applications in optoelectronics, nanomedicine, biosensing, fluorescence imaging, and photodynamic therapy. CQDs are nanoscale carbon-based materials characterized by unique optical and electronic properties, including size-dependent photoluminescence, high photostability, excellent water solubility, low cytotoxicity, and remarkable biocompatibility. These characteristics make them attractive alternatives to conventional semiconductor quantum dots for both technological and biomedical …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 4, Issue 2, 2026 · pp. 16–24 Read article
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LITERATURE REVIEW OF THREE-DIMENSIONAL PRINTING METHODS IN MEDICAL DEVICE FABRICATION
Abstract: The idea of personalized medicine has been around for a while, but it has recently gained a lot of attention. 3D printing technology is attracting interest because of its practical uses in the pharmaceutical industry and other areas of healthcare. This study discusses the framework of medication delivery technology using 3D printing and its role in developing pharmaceutical products. 3D printers can be classified as inkjet, extrusion, or laser-based devices, …
Published in Emerging Trends in Personalized Medicines · Vol. 3, Issue 2, 2026 Read article
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Heat Sink-PCM Device for PV Efficiency Improvement
Abstract: This paper is focused on the development of a second stage of a previous work where the PV panel efficiency is improved by using a hybrid system made up of a PCM attached to the rear side of the panel. This evolved stage incorporates a heat sink unit to improve the distribution of the heat removed from the panel; this improvement reduces the elapsed time to reach the steady state …
Published in Journal of Thermal Engineering and Applications Read article