Results 81 to 90 of about 6,902,521 (191)

Multi-factor product authentication using integrated Quick Response (QR) code pixelated antenna

open access: yes, 2017
A Quick Response (QR) Code style antenna is presented. Such an antenna can provide two-level authentication, both optically through the current QR technology, plus a radio frequency (RF) signature from microstrip patch antenna designed from the QR ...
Jeffrey Nanzer   +3 more
core   +1 more source

Nanophotonic Biosensors and the Paradigm of Trans‐Scale Autonomous Bio‐Integrated Diagnostics for Addressing Health Complexities

open access: yesElectron, EarlyView.
Physics‐driven advances in optical nanobiosensors for rapid, miniaturized, and point‐of‐care diagnostics for next‐generation decentralized and personalized healthcare based on sensor intelligence. ABSTRACT Public health emergencies and the escalating burden of chronic diseases necessitate a paradigm shift from centralized laboratory testing to rapid ...
Vishal Chaudhary   +5 more
wiley   +1 more source

Programmable luminescent platform based on carbon quantum dots enables wavelength‐multiplexed optical data storage and encryption

open access: yesFlexMat, EarlyView.
A carbon‐quantum‐dots (CQDs)‐based programmable luminescent platform is proposed for multidimensional optical information encryption and high‐capacity data storage by leveraging wavelength‐division multiplexing. Furthermore, a prototype tri‐layer optical disk is demonstrated, where data written via laser ablation on different CQD layers are retrieved ...
Honglei Sun   +9 more
wiley   +1 more source

Integrated management system of agro-fishery products based on QR-code

open access: yesJournal of Measurement Science and Instrumentation, 2013
Recently,both the importance and awareness relating to food safety relating to agrochemicals,chemical fertilizers,the pollution of ecosystem and unwholesome foods are growing rapidly.For the same reason,the purchaser’s curiosity increases to know about ...
Namjin Bae   +3 more
doaj  

Factors Influencing Behavioural Intention to Adopt the QR-Code Payment: Extending UTAUT2 Model

open access: yes, 2022
This study aims to identify the factors which affect the consumers’ behavioural intention to adopt the Quick response code (QR-code) mobile payment. This study extends the Unified Theory of Acceptance and Use of Technology 2 (UTAUT2) with the personal ...
Suo, Wen Jing   +2 more
core  

Research progress in photo‐controlled radical involved luminescence materials

open access: yesFlexMat, EarlyView.
This review systematically dissects radical generation mechanisms, triplet‐exciton photophysics, material design strategies, and cutting‐edge applications in smart encryption, environmental sensing, and 3D printing. Abstract In recent years, photo‐controlled radical room‐temperature phosphorescent (RTP) materials have shown significant application ...
Sichen Meng   +8 more
wiley   +1 more source

Graphic Quick-Response Codes Without Finder Patterns

open access: yesEngineering Proceedings
Quick-response (QR) codes are widely used for information transmission. However, their black-and-white dot structure often lacks visual appeal. Therefore, we developed novel graphic QR codes that remove traditional corner finder patterns and conceal data
Chih-Ting Hsu, Hsi-Chun Wang
doaj   +1 more source

Biosensors for Food Safety and Adulteration Monitoring: Applications, Smart Packaging Integration, and Pathways to Intelligent, Field‐Deployable Detection Systems

open access: yesFood Safety and Health, EarlyView.
Biosensors enable rapid, sensitive, and portable detection of pathogens, contaminants, allergens, and food adulteration. Integration with smart packaging, smartphones, IoT, and machine learning supports real‐time monitoring and intelligent decision‐making, whereas microfluidics, biodegradable materials, explainable AI, and blockchain offer pathways ...
Mohima Akther Any   +7 more
wiley   +1 more source

Turning Water to Wine: An Analysis of Texas Wine Industry Water Management

open access: yesIrrigation and Drainage, EarlyView.
ABSTRACT The Texas wine industry is expanding in scale and reputation during a period when sustainability concerns are increasingly visible and valuable to grape growers and wine producers in Texas. Most vineyard hectarage in Texas is in the High Plains and Hill Country American Viticultural Areas (AVAs), which rely on regional aquifers for water. With
Brock Burford   +3 more
wiley   +1 more source

4SQR-Code: A 4-state QR code generation model for increasing data storing capacity in the Digital Twin framework

open access: yesJournal of Advanced Research
Introduction: The usage of Quick Response (QR) Codes has become widely popular in recent years, primarily for immense electronic transactions and industry uses.
Ababil Islam Udoy   +5 more
doaj   +1 more source

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