Results 191 to 200 of about 4,993,137 (332)

Lightweight and High‐Performance Ankle Braces Enabled by 3D Printed Metamaterial Liquid Crystal Polymer

open access: yesAdvanced Materials Technologies, EarlyView.
A flexible, lightweight ankle brace made from 3D‐printed liquid crystal polymer metamaterials offers targeted support without restricting movement. Programmable stiffness provides protection during risky motions. Biomechanical tests suggest performance comparable to commercial braces with reduced bulk, highlighting potential for broader orthotic ...
Cassi J. Henderson   +5 more
wiley   +1 more source

Temporary migration of Romanian Roma people to European countries. [PDF]

open access: yesFront Sociol
Meseşan-Schmitz L   +3 more
europepmc   +1 more source

Disrupting J‐Aggregation in Triazatruxene Dimers to Develop Responsive Luminescent Inks for Anti‐Counterfeiting Applications

open access: yesAdvanced Optical Materials, Volume 13, Issue 8, March 13, 2025.
This study investigates the stimulus‐responsive behavior of trialkylated triazatruxene dimers for third‐generation luminescent security inks. In particular, the derivative with flexible dodecyl chains displays high‐contrast, reversible color changes upon heating or shear, driven by liquid crystalline phase transitions and involving J ...
Raúl Martín   +7 more
wiley   +1 more source

The virgin lands campaign and the occurrence of foot-and-mouth disease and anthrax in the Republic of Kazakhstan (1955-1970). [PDF]

open access: yesFront Vet Sci
Mukhanbetkaliyev YY   +8 more
europepmc   +1 more source

Supramolecular Design of Polymeric Random Lasers

open access: yesAdvanced Optical Materials, EarlyView.
This research investigates the application of PolyHIPE scaffolds as scattering media inRLs. By modifying the scaffold's morphology, pore size, and surface chemistry, the dye distribution within the material is precisely controlled, achieving a tunable laser threshold.
Junyang Chen   +6 more
wiley   +1 more source

Extreme Terahertz Nonlinearity of AlGaN/GaN‐Based Grating‐Gate Plasmonic Crystals

open access: yesAdvanced Optical Materials, EarlyView.
Plasmonic crystals based on grating‐gated 2D electron gas in AlGaN/GaN heterostructures provide a platform for strong light‐matter interaction. Pump‐probe experiments revealed strong terahertz nonlinearity leading to 45% increase in transmission at a fluence below 350 nJ cm−2.
Pavlo Sai   +14 more
wiley   +1 more source

Perspective on the new Africa Food Safety Agency. [PDF]

open access: yesNPJ Sci Food
Ayalew A   +3 more
europepmc   +1 more source

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