Results 81 to 90 of about 279,221 (324)

The Synergism of β‐Cyclodextrin and Fe3+ Enabled Anti‐Swelling Ion‐Conductive Hydrogels for Multimodal Underwater Sensing Aided by Machine Learning Algorithms

open access: yesAdvanced Science, EarlyView.
An anti‐swelling ion‐conductive hydrogel is developed via β‐cyclodextrin and Fe3+ synergism, enabling reliable underwater motion sensing and Morse code communication. Integrated with machine learning, the system achieves 98.6% accuracy in real‐time underwater handwriting recognition for rapid information transmission.
Hao Dong   +13 more
wiley   +1 more source

Creative Visions for Fashion Design by Using Knots Techniques

open access: yesMaǧallaẗ Al-Turāṯ wa Al-Taṣmīm
Design is the effective element through which the designer can create and innovate, as he relies on creativity in addition to his studies and experiences in his work field, as well as on a variety of sources which he can derive and inspired by ideas that
Prof. Amr Gamal El-Din Hassouna   +2 more
doaj   +1 more source

Scalable, Low‐Cost, Freeze‐Resistant Hydrogels by Alkali‐Polyphenol‐Triggered Polymerization for Low‐Temperature Self‐Powered Triboelectric Sensor

open access: yesAdvanced Science, EarlyView.
Leveraging the multidimensional self‐catalytic merits of the alkali‐polyphenol synergistic self‐catalytic platform, this work delineates the intrinsic mechanism governing the regulation of hydrogel properties and puts forward an innovative design paradigm for frost‐tolerant electrode materials, providing critical scientific insights and technical ...
Mengting Zhou   +10 more
wiley   +1 more source

A forgotten nasogastric feeding tube that refuses to get out

open access: yesClinical Case Reports, 2017
Key Clinical Message Nasogastric tubes (NGT) are extensively used and generally harmless, yet loop formation and malpositioning are often reported especially when using thin NGT for enteral feeding which placed blindly; therefore, diligent follow‐up of ...
Michail Galanopoulos   +6 more
doaj   +1 more source

Helicalization of Covalent Organic Framework Nanofibers with Amplified Spin Polarizability for Boosting Photocatalytic Hydrogen Evolution

open access: yesAdvanced Science, EarlyView.
A non‐covalent chirality‐induced strategy via chiral solvents is presented to synthesize helical 2D COF nanofibers with high crystallinity, high chirality, and high spin polarization. The helical structure enhances the concentration of photogenerated charges, suppresses exciton recombination, and extends carrier lifetimes, thereby significantly ...
Qi Zhong   +4 more
wiley   +1 more source

Covalent Bonds Reinforced Strength and Modulus of Heterocyclic Aramid Fiber by Interfacial Aminated‐MXene Nanosheets

open access: yesAdvanced Science, EarlyView.
We demonstrate the covalent bonds strategy to enhance the mechanical property of PBIA fiber by using interfacial MXene‐NH2 nanosheets. The MXene‐NH2 nanosheets with reactive amino sites that can serve as nucleating agents and chain anchors to enhance orientation, crystallinity and interchain interaction of PBIA fiber via strong interfacial amido ...
Boyuan Chen   +7 more
wiley   +1 more source

Propagating Bright Knots in the Chromospheric Fibrils

open access: yesThe Astrophysical Journal
The solar chromosphere is a crucial layer for resolving the problem of atmospheric heating. There are many bright features, which are considered as the thermal signals for heating the atmosphere, and these features are suggested to have resulted from ...
Shaoxuan Tong, Jun Zhang, Tao Ding
doaj   +1 more source

Carbon nanotube knots

open access: yesAIP Advances, 2019
The structural and mechanical properties of carbon nanotube knots are investigated using molecular dynamics simulations. Using parametric representations of mathematical (harmonic) knots, a method is provided for calculating the initial atomic ...
Kyle Rego, Vincent Meunier
doaj   +1 more source

Vortex Knots [PDF]

open access: yes, 1998
In this paper we present new results concerning the evolution and stability of vortex knots in the context of the Euler equations. For the first time, since Lord Kelvin’s original conjecture of 1875, we have direct numerical evidence of stability of vortex filaments in the shape of torus knots. The results are based on the analytical solutions of Ricca
Barenghi, CF, Ricca, R, Samuels, DC
openaire   +2 more sources

DNA Nanoarray for Multiplexed RNA Detection With Single‐Molecule Readout

open access: yesAdvanced Science, EarlyView.
A carrier‐based DNA nanoarray integrates programmable nucleic acid hybridization with solid‐state nanopore readout for direct RNA detection at single‐molecule resolution. A ternary encoding system enables 27 carriers with 81 addressable sensing sites, allowing the simultaneous identification of targets spanning a wide size range, from short microRNAs ...
Yunxuan Li   +12 more
wiley   +1 more source

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