Results 51 to 60 of about 137,852 (257)
Advanced Engineering Materials, EarlyView.Fungal mycelia grown into biodegradable scaffolds and infused with titania nanoparticles show enhanced ultraviolet shielding, thermal protection, and surface nonwettability. Properties were tuned by drying methods, revealing structure–function relationships.
Juwon S. Afolayan +2 more
wiley +1 more source
Photonics, 2023 In recent years, dynamically tunable structural color has attracted great interest. Here, we introduce the guided-mode resonance (GMR) filter and the phase-change material Sb2S3 to design a reflective optical metasurface to produce tunable structural ...
Shishang Luo +6 more
doaj +1 more source
Frequency response and tunability of grating-assisted directional couplers [PDF]
, 1991 The spectral properties of grating-assisted directional couplers are studied using an improved coupled mode formulation. Key parameters for the design of these structures, such as the grating period, the coupling length, and other structural parameters ...
Griffel, Giora, Yariv, Amnon
core +1 more source
A Topology Optimization Framework for the Inverse Design of Nonlinear Mechanical Metamaterials
Advanced Engineering Materials, EarlyView.This work uses topology optimization to design unit cells for mechanical metamaterials with a prescribed nonlinear stress–strain response. The framework adds contact and postbuckling modeling to synthesize microstructures for three highly nonlinear responses, including pseudoductile behavior, monostable with snap‐through buckling, and bistable ...
Charlie Aveline +2 more
wiley +1 more source
AIP AdvancesWe fabricate a microelectromechanical systems (MEMS)-based device configuring the tunable air gap Fabry–Pérot filter (FPF) with a static gradient thickness filter on the same platform.
Pratyasha Sahani +4 more
doaj +1 more source
Electronically Tunable Current-Mode Third-Order Square-Root-Domain Filter Design [PDF]
, 2018 In this study, electronically-tunable, current-mode, square-root-domain, third-order low-pass filter is proposed. The study is carried out with three circuit designs. First circuit is third-order low-pass Butterworth filter, second circuit is third-order
Adalar, F.Z. +2 more
core +1 more source
Bioinspired Shape‐Memory Hook Fasteners With Programmable Interlocking and Silent Release
Advanced Engineering Materials, EarlyView.Bioinspired hook fasteners made from epoxy shape‐memory polymers are shown to switch between strong, secure attachment and gentle, silent release when heated. By combining programmable geometry and material response, these adaptive fasteners outperform commercial systems in strength and noise control, enabling new solutions for robotics, medical ...
Maria I. Vallejo Ciro +3 more
wiley +1 more source
Dynamic single/dual channel filter with smart temperature set based on electromagnetic tunable FBG
Tongxin xuebao, 2007 A cascaded fiber Bragg gratings filter module was proposed,which can act either as a tunable single channel filter with its central wavelength and/or bandwidth being tunable,or as a double channel filter with its central wavelength being tunable.The ...
ZHANG Duo-ying1, LIU Min1, LI Jian-dong2
doaj +2 more sources
A Reconfigurable Pseudohairpin Filter Based on MEMS Switches
Sensors, 2022 This work presents a bandpass-reconfigurable planar pseudohairpin filter based on RF-MEMS switches. Hairpin-line structures are preferred to design microstrip filters because this class of filters offers a more compact size, and, in general, hairpin ...
Massimo Donelli +3 more
doaj +1 more source
Advanced Functional Materials, EarlyView.Lipid nanoparticles (LNPs) are optimized to co‐deliver Cas9‐encoding messenger RNA (mRNA), a single guide RNA (sgRNA) targeting the endogenous cystic fibrosis transmembrane conductance regulator (CFTR) gene, and homologous linear double‐stranded donor DNA (ldsDNA) templates encoding CFTR.
Ruth A. Foley +12 more
wiley +1 more source