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Photonic integrated circuits are the optical equivalent of microchips, using semiconductor industry processes to shrink many photonic components down onto a piece of material often smaller than a human fingernail.
Neue Forschungsergebnisse von Armis, dem Unternehmen für Cyber-Exposure-Management und Cybersicherheit, zeigen einen kritischen Wandel in den
We’re undeniably becoming increasingly reliant on digital data in our daily lives. As technologies like IoT, AI-driven platforms, smart devices and systems, and more become prevalent, simple, everyday tasks such as driving a car, shopping online, and locking our doors remotely allow smart machines to capture our data. Now, the question is—do industries and businesses
Für die Absicherung von IoT- und Edge-Computing-Anwendungen hat Würth Elektronik das WLAN-Funkmodul »Cordelia-I« entwickelt.
(Bild: TetateaX/stock.adobe.com via KIT) Neue Algorithmen zum Schlüsselabgleich sollen Quantenresistenz mit Standardhardware bieten, so ein Karlsruher Forscherteam nach einer Demonstration in München. Die Technologie könne binnen fünf Jahren global eingesetzt werden.
(Bild: Unisys) Unisys führt einen ersten Dienst für Post-Quantum-Kryptografie ein. Die Zustandsanalyse identifiziert Schwachstellen gegenüber künftigen Quantenbedrohungen. Ein quantensicheres Key-Management und maßgeschneiderte Roadmaps zur Umstellung sollen im Laufe des nächsten Jahres folgen.
SemiQ, a designer, developer, and global supplier of superior silicon carbide (SiC) solutions for ultra-efficient, high-performance, and high-voltage applications, has confirmed it has begun shipping its SiC MOSFET modules for integration into advanced cell cycling systems used by several of the world's leading battery manufacturers.
Sohrob Kazerounian, Distinguished AI Researcher at Vectra AI, discusses the rise of compromised LLM attacks.
The Power Electronics Market is a dynamic and rapidly growing sector driven by technological advancements in hardware software and digital infrastructure It covers a diverse range of services such as cloud computing cybersecurity data analytics and artificial intelligence The increasing ...
Google has unveiled Sec-Gemini v1, a groundbreaking AI model designed to redefine cybersecurity operations by empowering defenders.
OpenAI has invested 43 million US dollars in the startup company Adaptive Security, which focuses on cybersecurity
Für OpenVPN wurde ein Update für den IT-Sicherheitshinweis einer bekannten Schwachstelle veröffentlicht. Was betroffene User beachten sollten, erfahren Sie hier.
TEHRAN (Tasnim) As quantum computers inch closer to reality, experts warn they could render todays encryption obsolete, putting military secrets, financial data, and personal privacy at risk.- Space/Science news -Scientists are racing to develop new cryptographic tools before hackers gain the upper hand.Quantum computers are expected to revolutionize data processing by leveraging the unique principles o
Cyberhaven, a Silicon Valley data security startup founded by three Romanians and two Ukrainians, has raised $1.1 billion in funding.
Zero Trust Security Market in 2025 Trends Growth Drivers and Emerging Challenges The Zero Trust Security Market is experiencing rapid growth in 2025 driven by the increasing need for robust cybersecurity solutions in an era of escalating cyber threats remote ...
The Language of Threat Intelligence Threat intelligence is a vast and evolving field that encompasses a wide range of concepts, methodologies, and terminologies. Whether you are a cybersecurity professional, an analyst, or someone looking to enhance your understanding of the domain, being familiar with key terms is essential. However, the sheer number of acronyms and technical jargon used in threat intelligence can often be overwhelming and diff…
Die Bundesverwaltung setzt verstärkt auf Cloud-Dienste, weist jedoch erhebliche Defizite bei der Verschlüsselung auf.
Marinomed Biotech verliert 677.000 Euro durch Überweisung außerhalb des Europäischen Wirtschaftsraums - Verdacht auf Betrug. Mich erinnert das an den CEO-Fraud bei der FACC AG. 677.000 Euro sind futsch
Intersec Logo Intersec Headoffice Geotargeted and contextualized alerts In a context where Europe seeks to strengthen its sovereignty, the company offers sovereign ministries a wide range of innovative applications. We are proud to contribute to the security of populations while favoring the use of sovereign and independent solutions, respectful of personal data.” — Yann Chevalier, […]
Die Rückkehr von #DonaldTrump ins Amt hat in #Europa eine neue Debatte über #digitaleSouveränität ausgelöst.
Immer mehr #Unternehmen und #Regierungen in der #EU hinterfragen die Abhängigkeit von #USCloud-Diensten wie #AWS, #GoogleCloud und #MicrosoftAzure.
#Sicherheitsbedenken, #Datenschutzprobleme und politische #Unsicherheiten unter #Trump treiben europäische Firmen zur Suche nach Alternativen. (1/2)(Bild: ArtemisDiana - stock.adobe.com) Netscout's Threat Intelligence Report zeigt zunehmende Nutzung von DDoS-Angriffen in geopolitischen Konflikten, gestärkt durch KI und erweiterte Botnetze.
Existing methods for reversible data hiding in ciphertext binary images only involve one data hider to perform data embedding. When the data hider is attacked, the original binary image cannot be perfectly reconstructed. To this end, this letter proposes multi-party reversible data hiding in ciphertext binary images, where multiple data hiders are involved in data embedding. In this solution, we use visual cryptography technology to encrypt a binary image into multiple ciphertext binary images, and transmit the ciphertext binary images to different data hiders. Each data hider can embed data into a ciphertext binary image and generate a marked ciphertext binary image. The original binary image is perfectly reconstructed by collecting a portion of marked ciphertext binary images from the unattacked data hiders. Compared with existing solutions, the proposed solution enhances the recoverability of the original binary image. Besides, the proposed solution maintains a stable embedding capacity for different categories of images.
Google erleichtert zunächst für Organisationen das Versenden Ende-zu-Ende-verschlüsselter Mails in Gmail.
Cyberhaven, which just raised $100 million at a $1 billion valuation, offers AI tools designed to prevent employees from putting proprietary information into tools like ChatGPT.
The key to modern asymmetric cryptography is to create an equation that is easy to solve in one direction but difficult to reverse by an adversary in the other direction.
Power electronics is the field of electrical engineering that deals with the conversion, control, and conditioning of electric power using semiconductor devices. It serves as the critical interface between electrical sources and loads, enabling efficient, flexible, and compact systems across a wide range of applications — from renewable energy systems and electric vehicles, to consumer electronics and industrial automation.
STMicroelectronics and Innoscience have announced a strategic partnership in GaN power products, aiming to transform and elevate the GaN market to new heights by leveraging...The post STMicroelectronics & Innoscience Forge Strategic Partnership to Advance GaN Technology in Datacenters, Automotive, and Renewables appeared first on Power Electronics News.
The company’s partnership aims to leverage the advantages that GaN offers – high power density, efficiency, and reliability – to cater to the growing demand for data centers, thanks to artificial intelligence.
Outlook and Investment Analysis of Bidirectional DC Power Supply Market What is the current outlook of the Bidirectional DC Power Supply Market The bidirectional DC power supply market is witnessing significant growth driven by the increasing demand for renewable energy ...
The first British commercially available high-vacuum variable capacitors have been announced by the English Electric Valve Co. So 64 years ago, started a
Infineon's Power PROFET + 24/48V switch family is engineered to meet the increasing need for 48 V power solutions in hybrid and electric vehicles.The post Infineon Technologies Launches the Power PROFET + 24/48V Switch Family appeared first on Power Electronics News.
The global power electronics for renewable energy market https www transparencymarketresearch com power electronics for renewable energy market html valued at US 8 8 billion in 2022 is projected to reach US 15 5 billion by 2031 growing at a ...
Decentralization of power has only just started, and for electronic engineers, several new challenges and opportunities are on the horizon.
Swansea University in Wales has installed gallium tri-oxide (Ga2O3) deposition equipment at its Centre for Integrated Semiconductor Materials (CISM). In
Donald Trump will den US Chips Act abschaffen. Darunter leidet gerade ein US-Halbleiterhersteller besonders: Die Wolfspeed-Aktie stürzte ab. (Halbleiterfertigung, Politik)
ChemistryEurope, EarlyView.
Silicon carbide polishing disc is a specialized abrasive tool used to smooth and refine the surfaces of hard materials especially in precision industries It is made from silicon carbide a durable and heat resistant compound which allows for efficient material ...
On March 31 2025 Exactitude Consultancy Ltd announces the release of the report Global Micro Inverter Market 2025 by Manufacturers Regions Type and Application Forecast to 2034 The report is a detailed and comprehensive analysis presented by region and country ...
Publication date: 1 July 2025Source: Sensors and Actuators A: Physical, Volume 388Author(s): Yibo Liu, Huaping Xiao, Dezhi Pang, Shihao Sun, Zhenhao Sun, Shuhai Liu
Transactions on Emerging Telecommunications Technologies, Volume 36, Issue 4, April 2025.
UK-headquartered chip company Pragmatic Semiconductor unveiled NFC Connect, a line offering item-level RFID.
Schweizer Firmen, die mit der EU wirtschaften, brauchen ab 2027 einen digitalen Produktpass. Lästige Pflicht? Keineswegs, sondern eher eine Chance.
Gap Inc.’s largest brand is deploying technology that gives its store associates real-time, in-store inventory information, allowing for an improved customer experience.
Target applications include fast charging, adapters, and home appliance power supplies
Eine intelligente Fabrik zeichnet sich durch die Kombination verschiedener Technologien aus, die nahtlos ineinandergreifen. NTT Data erklärt, welche Rolle KI und Edge Computing dabei spielen.
Our research in integrated photonic devices spans various applications, including automotive, consumer electronics, and high-speed telecommunications.Our Integrated Photonics Technologies research unit focuses on developing miniaturized and multifunctional sensors, photonic integrated circuits, and meta-optics for innovative solutions like on-chip LiDAR, gas and chemical sensing, and 3D imaging.
Learn more about our research: We look forward to collaborating with ePIXfab and its members to push the boundaries of photonics technology!Tech Library: TDK Corporation unveils the EPCOS EP9 series (ordering code: B82804E), which is more compact than the existing E10EM series of surface-mount transformers designed specifically for IGBT and FET gate driver circuits.
Advanced Materials, EarlyView.
Integrating Bluetooth Low Energy (BLE) functionality into Flutter apps can be a daunting task, but...
Overview of the Market The Global IGBT and Super Junction MOSFET Market reached a valuation of US 4 0 billion in 2022 and is projected to grow at a CAGR of 17 2 through 2033 reaching a market size of ...
Im Forschungsprojekt Thin SiC Power entwickelt ein Konsortium von Fraunhofer-Instituten Schlüsseltechnologien , um Materialverbrauch...
GaN MMIC Power Amplifiers Market Outlook Investment Analysis What is the outlook of the GaN MMIC Power Amplifiers Market in the coming years The GaN MMIC Gallium Nitride Monolithic Microwave Integrated Circuit Power Amplifiers market is projected to experience significant ...
Taiwan Semiconductor (TSC) has expanded its PerFET family of power MOSFETs with the addition of 80V and 100V versions. Based on TSC’s proprietary PerFET device structures and processes, the new 80V/100V N-channel power MOSFETs offer
Renesas Electronics has launched its first automotive-qualified system on chip for the Bluetooth Low Energy (BLE).
TDK has developed its first AC stabilized power supply. The product is made by wholly owned subsidiary TDK-Lambda, and achieves a 1U size that is "one of the smallest in the industry" (according to the company) for output power of 2k and 3kVA. Mass production will begin in July 2025. The company plans to release 3U size 6k and 9kVA products in the future, aiming for sales of 5 billion yen in five years.
Digital Twins (DT) are transforming the Industrial Internet of Things (IIoT) by providing virtual replicas of physical assets, enabling enhanced predictive analytics and data-driven decision-making. However, as Industry 5.0 integrates DT with generative AI technologies via APIs and tokens, security risks increase. Outdated modeling tools, coupled with vulnerabilities in resource-constrained environments, such as limited computational power and bandwidth, further compromise DT security. These constraints impede the implementation of robust security measures like encryption, authentication, and blockchain, making DT susceptible to cyber threats and fraud. This paper addresses these challenges by proposing a secure DT conceptual architecture that leverages edge-fog-cloud computing with Federated Learning (FL), and Blockchain. The framework ensures resource-efficient security by integrating privacy-preserving computations, secure data storage, and resilient communication channels. It effectively mitigates risks beyond 51% attacks, including Sybil attacks and data manipulation, while enabling secure data exchange and realtime monitoring. Furthermore, the proposed architecture improves adaptability in complex IIoT environments, supporting seamless device integration, scalability, and energy-efficient operations to safeguard industrial systems against evolving threats.
A simple RC circuit can't function as an inverter, but a previous tutorial explored how an RC circuit's output behaves when driven by an exponentially damped RLC circuit, offering insightful considerations.
The upcoming AirTag might offer a range of 60–90 metres
New Delhi, March 20 (SocialNews.XYZ) The thriving Indian startup ecosystem, with over 3,300 Internet of Things (IoT)-focused startups, is fostering innovation across multiple sectors, a report showed on Thursday. The Indian IoT market is rapidly... - Social News XYZ
Beim Automobilzulieferer Rehau Automotive werden im Werk Brake an der Unterweser Produktion und Versand vor allem mit Gabelstaplern versorgt. Angesichts der großen Artikelanzahl musste, ausgelöst durch immer komplexere und dynamischere Prozesse in der Produktion, schließlich auch das gesamte Sicherheitssystem für den innerbetrieblichen Transport reorganisiert werden. Zusammen mit dem Hamburger Intralogistikexperten Still wurde für den Werksverkehr ein richtungsweisendes Sicherheitssystem kürzlich implementiert. Basierend auf intelligenten Fahrerassistenzsystemen, KI-gestützten Kameras und optischen Warnschildern, die bei Gefahr mittels Projektion Fußgänger aktiv warnen, soll das optimierte Sicherheitssystem zukünftig an anderen Produktionsstandorten zum Maßstab werden.
Wearable sensors are sophisticated gadgets intended to track and gather information regarding a person s physiological and biochemical metrics in real time frequently in a non invasive way These sensors are incorporated into a range of wearable technologies including smartwatches ...
GNW-News: Lantronix erweitert Partnerschaft mit TD SYNNEX, um seine Out-of-Band-, Netzwerkinfrastruktur- und Industrial-IoT-Lösungen in ganz Europa zu vertreiben () | aktiencheck.de
Minima’s IoT-focused blockchains will be embedded into Siemens’ devices across the automotive, robotics and energy sectors.
Mit dem Start des bilateralen Leitprojekts PASSAT erhalten österreichische und deutsche Unternehmen gezielte Unterstützung bei der Umsetzung des Digitalen Produktpasses (DPP). Dieser innovative Ansatz fördert nachhaltiges Wachstum durch Kreislaufwirtschaft und optimierte Produktionsprozesse.
Industrial Internet of Things (IIoT) is becoming increasingly important for companies world-wide since it allows integrating data from different areas and sectors, thus creating new opportunities to raise efficiency, flexibility, and productivity. However, IIoT also exposes companies to new risks and threats, which implies new challenges related to cybersecurity. In this context, this paper analyzes Hardware Trojan (HT) attacks also characterized by possible malicious controlled white noises on sensors working in an IIoT scenario. Through a parametric analysis in a simulation environment, the impact and the sensitivity of the hardware attacks about the electrical signal deterioration is analyzed as a function of the variation of the HT resistance and capacitance, also superposing a white noise effect to increase the signal disturbance and complexity to find possible causes. The model also includes the possibility for the attackers to modulate and switch the white noise signal in accordance with the IIoT transmission triggering. Specifically, the paper analyzes the behavior of an attacked resistive humidity sensor by means of circuit simulations. Furthermore, the paper proposes a new approach for training commonly used Artificial Intelligence (AI) algorithms, such as Artificial Neural Networks (ANNs) and Random Forest (RF), to predict disturbed sensor signals. Simulation results show the proposed method is effective in detecting HT attacks, thus supporting the adoption of proper corrective actions. The AI-based data processing also demonstrates that circuit simulations provide an effective solution to train AI models tailored to a digital twin HT cybersecurity framework.
The Printed and Chipless RFID Market is expanding with demand for cost-effective, eco-friendly tracking solutions in retail, logistics, and healthcare,...
RFID Market Expected to Reach $31.5 Billion by 2031 — Allied Market Research
… for emerging technologies in Southeast Asia. A brief examination of the … doing business metrics in Hong Kong, working alongside financial institutions and regulators. South Korea pushes … cloud and remote servers. Arm Korea President Hwang Seon-wook, in a …
The main task of the research involves creating a Digital Twin (DT) application serving as a framework for Virtual Commissioning (VC) with Supervisory Control and Data Acquisition (SCADA) and Cloud storage solutions. An Internet of Things (IoT) integrated automation system with Virtual Private Network (VPN) remote control for assembly and disassembly robotic cell (A/DRC) equipped with a six-Degree of Freedom (6-DOF) ABB 120 industrial robotic manipulator (IRM) is presented in this paper. A three-dimensional (3D) virtual model is developed using Siemens NX Mechatronics Concept Designer (MCD), while the Programmable Logic Controller (PLC) is programmed in the Siemens Totally Integrated Automation (TIA) Portal. A Hardware-in-the-Loop (HIL) simulation strategy is primarily used. This concept is implemented and executed as part of a VC approach, where the designed PLC programs are integrated and tested against the physical controller. Closed loop control and RM inverse kinematics model are validated and tested in PLC, following HIL strategy by integrating Industry 4.0/5.0 concepts. A SCADA application is also deployed, serving as a DT operator panel for process monitoring and simulation. Cloud data collection, analysis, supervising, and synchronizing DT tasks are also integrated and explored. Additionally, it provides communication interfaces via PROFINET IO to SCADA and Human Machine Interface (HMI), and through Open Platform Communication—Unified Architecture (OPC-UA) for Siemens NX-MCD with DT virtual model. Virtual A/DRC simulations are performed using the Synchronized Timed Petri Nets (STPN) model for control strategy validation based on task planning integration and synchronization with other IoT devices. The objective is to obtain a clear and understandable representation layout of the A/DRC and to validate the DT model by comparing process dynamics and robot motion kinematics between physical and virtual replicas. Thus, following the results of the current research work, integrating digital technologies in manufacturing, like VC, IoT, and Cloud, is useful for validating and optimizing manufacturing processes, error detection, and reducing the risks before the actual physical system is built or deployed.
The highlights reel represents the journey from start to finish 
Here is a sneakpeak of our personal highlights:
Introduced our newst family memeber - the S32K5 Won 2 Awards for our Ultra-Wideband (#UWB) IC Trimension NCJ29D6 & i․MX 94 family of applications processorsHosted 2 hands-on workshops where everyone received free boards to kickstart their development journeyHad 9 of our NXP experts take the stage at embedded world Delivered an even bigger FRDM Lab experience and give away more than 200 FRDM boards to YOUHosted over 130 customer meetings and 60 partner meetings accompanied by an incredible partner reception where 100 partners joined usShowcases our impressive partner ecosystem with 28 embedded partners on our partner wallLaunching many new technologies including our FRDM i․MX 91 and our IW610 Wi-Fi 6 Tri-RadioThank you to all our partners, customers, and team members who brought our #embeddedworld2025 booth to reality. A special thanks to everyone who attended the show and helped create an unforgettable experience.We have shown once more that we are #BrighterTogether 
See you next year, Nuremberg! 
#NXPEW25 #EW25 The highlights reel represents the journey from start to finish Here is a sneakpeak of our personal highlights:Introduced our newst family memeber - the S32K5 Won 2 Awards for our Ultra-Wideband (#UWB) IC Trimension NCJ29D6 & i․MX 94 family of applications processorsHosted 2 hands-on workshops where everyone received free boards to kickstart their development journeyHad 9 of our NXP experts take the stage at embedded world Delivered an even bigger FRDM Lab experience and give away more than 200 FRDM boards to YOUHosted over 130 customer meetings and 60 partner meetings accompanied by an incredible partner reception where 100 partners joined usShowcases our impressive partner ecosystem with 28 embedded partners on our partner wallLaunching many new technologies including our FRDM i․MX 91 and our IW610 Wi-Fi 6 Tri-RadioThank you to all our partners, customers, and team members who brought our #embeddedworld2025 booth to reality. A special thanks to everyone who attended the show and helped create an unforgettable experience.We have shown once more that we are #BrighterTogether See you next year, Nuremberg! #NXPEW25 #EW25Silicon Labs has announced its new Series 2 BG29 family of wireless SoCs, designed to bring high compute and connectivity to the smallest form factor Bluetooth Low Energy (LE) devices without compromising performance. BG29 is ideal for today’s most intensive Bluetooth LE applications like wearable health and medical devices, asset trackers, and battery-powered sensors.
Victoria's Secret launches its first Digital Product Passport, offering transparency about its products' journey from farm to consumer. Learn about materials, sourcing, and sustainability initiatives.
As the EU advances with its Digital Product Passport (DPP) initiative, industries must prepare for a major shift in how material compliance and sustainability data are managed. As a key part of the Ecodesign for Sustainable Products Regulation (ESPR), the DPP has been rolling out since 2024 and will impact industries ranging from consumer electronics to automotive and industrial equipment.
WILMINGTON, NEW CASTLE, DE, UNITED STATES, March 11, 2025 /EINPresswire.com/ — According to a recent report published by Allied Market Research, titled, The global IoT in automotive market was valued at $102.3 billion in 2022, and is projected to reach $760.3 billion by 2032, growing at a CAGR of 22.6% from 2023 to 2032. 𝐆𝐞𝐭 […]
Build projects using TDK’s waterproof ultrasonic sensors and win an evaluation kit Bengaluru, India – 4 March 2025: element14, an
Perla showcased the design and fabrication of a magnetic MEMS micromirror with closed-loop control, while Stefano presented a magnetoresistive sensing platform for miniaturized 3D magnetic tactile sensors.Their team excels in cutting-edge research on magnetic microsystems, focusing on industrial applications from sensors to power electronics. They design, develop, and test magnetic systems using both custom-made and state-of-the-art components. Learn more about Magnetic Microsystem Technologies at SAL: #magnetics #microsystems #micromirror #magneticsensorsGesture Recognition And Touchless Sensing Market Size & Growth Analysis Gesture Recognition and Touchless Sensing Market growing with demand for AI-driven, contactless interfaces in consumer electronics, automotive, and healthcare. AUSTIN, TX, UNITED STATES, February 28, 2025 /EINPresswire.com/ — Market Size & Industry Insights According to the SNS Insider Report,“The Gesture Recognition and Touchless Sensing market […]
Transactions on Emerging Telecommunications Technologies, Volume 36, Issue 3, March 2025.
ACS Applied Materials & InterfacesDOI: 10.1021/acsami.4c22623
NXP Semiconductors, an innovator and supplier of Ultra-Wideband (UWB) solutions, and Rohde & Schwarz collaborate to demonstrate a test setup
Insightace Analytics Pvt Ltd announces the release of a market assessment report on the Global Continuous Glucose Monitoring CGM Sensors Market by Products Non invasive Sensing and Minimally Invasive Sensing Sensing Technology Enzyme Electrode Optical Fluorescence and Others End Users ...
(Bild: Innoviz) Omer Keilaf, CEO von Innoviz, über die Entwicklung von Lidar-Sensoren und ihre vielfältigen Einsatzmöglichkeiten von ADAS bis Unterhaltungsbranche.
The design helps detect motion using a radar sensor and microcontroller. It supports SPI mode, adjustable settings, and easy device integration.
Publication date: Available online 24 February 2025Source: Sensors and Actuators A: PhysicalAuthor(s): Vishal Gubbi, Tzvetan Ivanov, Kalpan Ved, Claudia Lenk, Martin Ziegler
STMicroelectronics' LSM6DSV80X combines two accelerometer structures for 16g and 80g full-scale sensing, a gyroscope up 4000dps, and embedded intelligence in one component. Capable of measuring events ranging from slight movements to intense impacts with equal accuracy, the new sensor enables enhanced features in applications such as wearables and sports trackers.
From The California Institute of Technology February 24, 2025 Kimm Fesenmaier (626) 395‑1217 kfesenma@caltech.edu Using an approach called DNA origami, scientists at Caltech have developed a techni…
We are proud to introduce the Tack EVO FloodFinder™ - a revolutionary solution developed by our COINS (Co-Innovation Singapore) startup partner TackOne. 
The Tack EVO FloodFinder™, powered by Infineon’s XENSIV™ pressure sensor DPS368, is the world’s first palm-sized, autonomous flood detection device. Equipped with integrated high-precision water level sensing and internet connectivity capabilities, it delivers real-time flood alerts and water level monitoring. This innovative device brings safety to communities worldwide, ensuring timely and accurate information during critical flood events. 
Learn more: #Innovation #FloodDetection #SmartTechnology #SafetyFirst #Infineon #TackOne #COINSPolarization light microscopy (PLM) enables detailed examination of birefringent materials and reveals unique features that cannot be observed under non-polarized light. Implementation of this technique for quantitative PLM (QPLM) assessment of samples is challenging and requires specialized components and equipment. Here, we demonstrate QPLM on a semiconductor imaging chip that is suitable for point-of-care/need applications. A white LED illumination was used with crossed polarizers and a full wave plate to perform on-chip, non-contact-mode QPLM. Polarization complexity is probed by assessing the multispectral phase shift experienced by white light through the distinct optical paths of the sample. This platform can achieve micrometer-scale spatial resolution with a Field of View determined by the size of the semiconductor sensor. Visualization of a biological sample (Euglena gracilis) was demonstrated, as well as the detection of Monosodium Urate crystals, where the presence of negative birefringence of crystals in synovial fluid is important for the diagnosis of gout.
Publication date: 15 February 2025Source: Energy, Volume 317Author(s): Bowen Chen, Yonggang Lin, Yajing Gu, Xiangheng Feng, Zhongpeng Cao, Yong Sun
Publication date: 1 February 2025Source: Chemical Engineering Journal, Volume 505Author(s): Ruming Liu, Ying Li, Yan Liu, Yixuan Wang, Qiuyue Si, Dorothy Araba Yakoba Agyapong, Juan Feng, Ruiqin Fang, Lixia Tang, Fei Cao, Hongjuan Zeng
In cell culture research and biotechnology, precise pH monitoring is crucial for maintaining cellular health and ensuring reliable experimental outcomes. Traditional pH measurement methods, such as glass electrodes and chemical indicators, are often limited by issues such as fragility, calibration requirements, and potential cytotoxicity. This study presents a novel pH sensor based on bacteriorhodopsin (bR), a light-sensitive protein that undergoes conformational changes in response to pH fluctuations, generating a measurable photoelectric signal. The integrated bR-based electrochemical electrode in a flexible pH biosensor is demonstrated, with measurements spanning the physiological pH range of 6.0–8.5. The sensor shows a high correlation (R2 = 0.977) between photo-generated current signals and pH, indicating robust performance for real-time, non-invasive pH monitoring. The biocompatibility and non-invasive nature of this sensor make it particularly suitable for continuous monitoring in cell culture environments. The sensor’s practical application is validated by its integration into cell well plates for tracking the pH changes during cell growth, providing valuable insights into metabolic processes and growth conditions. In the future, efforts will focus on enhancing sensor sensitivity, stability, and integration with multi-parameter monitoring systems for more comprehensive cell culture analysis.
Publication date: 1 February 2025Source: Chemical Engineering Journal, Volume 505Author(s): Jun-Ying Li, Xi-Hui Diao, Chao Chen, Hao Wang, Wei Li, Chuan-Song Qi, Jun-Xuan Li, Yun-Wu Li
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