Results 41 to 50 of about 475 (163)

Broadband, Flexible, Skin‐Compatible Carbon Dots/Graphene Photodetectors for Wearable Applications

open access: yesAdvanced Functional Materials, Volume 36, Issue 30, 13 April 2026.
Broadband, flexible photodetectors integrating nitrogen‐rich carbon dots with single‐layer graphene on plastic substrates are demonstrated. A biocompatible chitosan–glycerol electrolyte enables efficient low‐voltage gating and on‐skin operation. The devices exhibit ultraviolet‐to‐near‐infrared response, mechanical robustness under bending, and verified
Nouha Loudhaief   +20 more
wiley   +1 more source

Corridor Mapping of Sandy Coastal Foredunes with UAS Photogrammetry and Mobile Laser Scanning

open access: yesRemote Sensing, 2019
Recurrent monitoring of sandy beaches and of the dunes behind them is needed to improve the scientific knowledge on their dynamics as well as to develop sustainable management practices of those valuable landforms.
Alphonse Nahon   +5 more
doaj   +1 more source

Information on Judgment Invariance Influences Contributors' Opting‐In Behavior in Sequential Collaboration

open access: yesJournal of Behavioral Decision Making, Volume 39, Issue 1, January 2026.
ABSTRACT Sequential collaboration describes an aggregation process intensively researched for numerical judgments which is characterized by a first contributor creating a judgment that is subsequently adjusted or maintained by following contributors.
Vincent Eric Fischer   +2 more
wiley   +1 more source

Almost Everything You Always Wanted to Know About Representing Gravity in Global Models but Were Afraid to Ask

open access: yesJournal of Advances in Modeling Earth Systems, Volume 17, Issue 12, December 2025.
Abstract For over 60 years, an approximation involving spherical geopotentials has underlain the representation of gravity in global numerical models of Earth's atmosphere and oceans. This article explores how departures from sphericity can be allowed by assuming spheroidal geopotentials instead. A route to more accurate model formulation is indicated,
Andrew Staniforth, Andy White
wiley   +1 more source

NAVIGATION AND REMOTE SENSING PAYLOADS AND METHODS OF THE SARVANT UNMANNED AERIAL SYSTEM [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
In a large number of scenarios and missions, the technical, operational and economical advantages of UAS-based photogrammetry and remote sensing over traditional airborne and satellite platforms are apparent.
P. Molina   +9 more
doaj   +1 more source

Photon entanglement detection by a single atom

open access: yesNew Journal of Physics, 2013
We use a single trapped ^40 Ca ^+ ion as a resonant, polarization-sensitive absorber to detect and characterize the entanglement of tunable narrowband photon pairs from a spontaneous parametric down-conversion source.
J Huwer   +5 more
doaj   +1 more source

Electrospun Thermoplastic Polyurethane Fibrous Membrane Decorated with MXene/Carbon Black for Dual‐Mode Human Movement Monitoring and Energy Harvesting

open access: yesMacromolecular Materials and Engineering, Volume 310, Issue 4, April 2025.
Conductive fiber membranes can be used as strain sensor and self‐powered sensor for dual‐mode human motion detection. The strain sensor boasts a wide operating range (0.5%‐195%) and excellent sensitivity (gauge factor (GF) up to 54 at 50% strain). The STENG has high energy harvesting efficiency with an output voltage of 115 V and maximum power density ...
Qingsen Gao   +3 more
wiley   +1 more source

Customizable Induction Heating Profiles: from Tailored Colloidally Stable Nanoparticles Toward Multi‐Stage Heatable Supraparticles

open access: yesAdvanced Functional Materials, Volume 35, Issue 2, January 9, 2025.
A spray‐drying‐based synthesis is presented for colloidally stable Co and ZnCo ferrite nanoparticles (NPs) with adjustable Curie temperatures. Combining these NPs in a second spray‐drying step creates supraparticles with tunable induction heating plateaus, achievable by adjusting the AC magnetic field.
Leoni Luthardt   +4 more
wiley   +1 more source

Opportunities and Limitations in Recycling Fossil Polymers from Textiles

open access: yesMacromol, 2023
The recovery and recycling of textile waste is becoming urgent since textiles are generating more and more waste. In one year, about 92 million tons of textile waste are produced and the fashion industry accounts for 58 million tons of plastic waste per ...
Sabrina Bianchi   +7 more
doaj   +1 more source

Application of Standard HSQC‐ME Pulse Sequence on Benchtop NMR Devices for Quantitative Applications

open access: yesConcepts in Magnetic Resonance Part A, Volume 2025, Issue 1, 2025.
The heteronuclear single quantum correlation (HSQC) NMR method is widely used for the structural characterization of complex mixtures. In this study, the application range of multiplicity‐enhanced HSQC (HSQC‐ME) spectroscopy was broadened to quantitative analysis on low‐field NMR devices with standard measurement possibilities.
Klaudia Adels   +4 more
wiley   +1 more source

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