Results 151 to 160 of about 17,713 (284)

Actuation Strategies for Underwater Jet‐Propelled Soft Robots

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT This review article examines jet‐propulsion mechanisms in underwater soft robotic systems, focusing exclusively on physically fabricated and experimentally validated robots. Covering research published from 2013 to 2025, this study classifies and evaluates jet‐propulsion robots based on their actuation mechanisms.
Angel Kitone   +3 more
wiley   +1 more source

Ionogel Actuators: A Review

open access: yesSmartBot, EarlyView.
Ionogels dynamically and functionally couple ionic liquids with polymer networks, enabling multiscale programmable deformation and motion under electrical, magnetic, optical, thermal, humidity, and chemical stimuli. This article systematically elucidates the constituent components, structural design, and multiscale actuation mechanisms of ionogel ...
Dezhou Cao   +5 more
wiley   +1 more source

Unified Steep‐Slope Switching and Non‐Volatile Memory in a Complementarily Stabilized van der Waals Ferroelectric Transistor

open access: yesSmall, EarlyView.
We present a van der Waals FeNC‐FET that simultaneously achieves sub‐60 mV/dec steep switching and non‐volatile memory within a single transistor. A CIPS/h‐BN/α‐In2Se3 bi‐ferroelectric gate stack enables a stabilized negative‐capacitance state in FE1 while maintaining the bistable polarization of FE2.
Sangmin Lee   +5 more
wiley   +1 more source

Unlocking n‐alk‐1‐ynes conformers: Quantum “trigger finger” versus “stiff joint” conformations

open access: yesSmart Molecules, EarlyView.
Quantum chemical analysis reveals the unique function of n‐alk‐1‐yne terminus as a Quantum “Trigger Finger,” exhibiting two near‐isoenergetic conformers (Cs ${\mathrm{C}}_{s}$and C1 ${\mathrm{C}}_{1}$) locked by a symmetric high barrier. This contrasts with the lower asymmetric barrier of the conventional asymmetric “Stiff Joint” alkyl chain.
Ioan Bâldea
wiley   +1 more source

Thermally Bistable Stiff Stilbene Photoswitches and Polymer Applications

open access: yesThe Chemical Record, EarlyView.
Thermally stable photoswitches offer new opportunities for controlling polymer structures and functions under nonequilibrium conditions. This Personal Account highlights stiff stilbene (SS) and sterically hindered stiff stilbene (HSS) photoswitches, which combine large structural changes with exceptional thermal bistability.
Keiichi Imato
wiley   +1 more source

Crystal Structures and Magnetic Properties of Coordination Polymer Complexes of Metal Ions With Kojic Acid Ligands

open access: yesZeitschrift für anorganische und allgemeine Chemie, EarlyView.
One‐dimensional coordination polymers of Cu(II) and Co(II) with kojic acid show distinct chain connectivities revealed by X ray crystallography and exhibit extremely weak magnetic interactions, as supported by magnetic measurements and molecular orbital calculations. The crystal structures and magnetic properties of coordination complexes [Cu(C6H5O4)2]
Wataru Fujita, Tomoko Yamaguchi
wiley   +1 more source

Post‐Arc Transient Dielectric Recovery Characteristics of Vacuum Interrupter in the Large‐Capacity Generator Circuit Breaker

open access: yesHigh Voltage, EarlyView.
ABSTRACT Large‐capacity generator circuit breaker (GCB) based on vacuum interrupter technology is the key power equipment to ensure the safe operation of the power system. When the short‐circuit current was forced to cross zero, the large‐capacity GCB was difficult to generate a zero‐voltage environment through freewheeling, the vacuum interrupter (VI)
Xiangyu Han   +8 more
wiley   +1 more source

Enhancement of bistability in SSFLC devices

open access: yes, 1993
International audienceThe lack of bistability in SSFLC devices is studied with special regard to the surface alignment electric properties. On decreasing the thickness of the alignment film, different behaviours of the cell are observed.
Le Bourhis, Laure, DUPONT, Laurent
core  

Quantifying Cortical Maturational Aspects During Different Vigilance States in Preterm Infants by Advanced EEG Analysis

open access: yesJournal of Sleep Research, EarlyView.
ABSTRACT Preterm birth is a significant risk factor for atypical neurodevelopment, yet early electrophysiological markers of brain maturation are still lacking. Non‐invasive electroencephalographic (EEG) monitoring of cortical maturation in these patients holds promise as a tool for neurodevelopmental prediction.
Gaia Burlando   +9 more
wiley   +1 more source

Reservoir Computing‐Based Glucose Sensing With an Enzymatic Reaction Network

open access: yesAngewandte Chemie, Volume 138, Issue 25, 15 June 2026.
Glucose oxidase (GOx) catalyzes the conversion of glucose into gluconic acid, lowering the solution pH. The extent of pH change depends on the glucose input and directly modulates the activity of the enzyme reservoir. Glucose levels can be sensed by monitoring the changes in the enzymatic reservoir output, that is, the generation of peptide fragments ...
Souvik Ghosh   +3 more
wiley   +2 more sources

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