Results 221 to 230 of about 9,554 (255)

Deciphering Interfacial Electronic Interactions Between Iridium Oxide and Ni‐Based Supports for High‐Current‐Density Anion Exchange Membrane Water Electrolysis

Small, EarlyView.
This study develops binder‐free IrO2–Ni‐based electrodes through liquid‐phase synthesis to elucidate how Ni‐based support chemistry governs interfacial electronic interactions and oxygen evolution reaction (OER) performance. The IrO2–Ni2P electrode exhibits superior activity and durability, attributed to strong interfacial charge transfer that ...
Yeongbin Lee, Seohyeon Jang, Seokjin Hong, Seoyeon Jeong, Ju Young Kim, Wooseok Jeong, Hyeonseok Lee, Gyuhyeon Kim, Hyungbin Son, Sang Hyun Ahn, Inho Nam, Don‐Hyung Ha   +11 more
wiley   +1 more source

Optical coherence tomography-guided Brillouin microscopy highlights regional tissue stiffness differences during anterior neural tube closure in the Mthfd1l murine mutant.

Development
Ambekar YS, Caiaffa CD, Wlodarczyk BJ, Singh M, Schill AW, Steele JW, Zhang J, Aglyamov SR, Scarcelli G, Finnell RH, Larin KV.   +10 more
europepmc   +1 more source

Stabilization of Cu Species in UiO‐66 Metal–Organic Framework for CO2‐to‐Methanol: Insights From Operando X‐ray and Electron Microscopy Studies

Small, EarlyView.
This study reveals how a zirconium‐based metal–organic framework (UiO‐66) stabilizes copper species during CO2 hydrogenation to methanol. Operando X‐ray spectroscopy, electron microscopy, and theory show that zinc promotes highly dispersed copper and suppresses particle growth, while the framework dynamically responds to reaction intermediates.
Anna Liutkova, Fabio André Peixoto Esteves, Marianela López Romero, Margareth S. Baidun, Anastasia Molokova, Davide Salusso, Kirill A. Lomachenko, Andrea Testino, Alexander A. Kolganov, Evgeny A. Pidko, Emiliya Poghosyan, Marco Ranocchiari   +11 more
wiley   +1 more source

Polysulfide Immobilization and Sulfur Conversion Kinetics Promotion via a Tetrathiafulvalene–Crown Ether COF@Graphene Layer for High‐Rate Lithium–Sulfur Batteries

Small, EarlyView.
A polysulfide‐regulating covalent organic framework (TUS‐44) integrating tetrathiafulvalene and crown‐ether linkers forms an electron‐delocalized, ion‐coordinative network that synergistically mediates Li–S redox chemistry. When interfaced with graphene, the TUS‐44@G layer functions as a catalytic and chemisorptive interface, enabling efficient ...
Kai Sun, Tsukasa Irie, Samim Reza, Kohki Sasaki, Mika Nozaki, Tokuhisa Kawawaki, Yujun Fu, Dequan Liu, Ranjit Thapa, Saikat Das, Deyan He, Yuichi Negishi   +11 more
wiley   +1 more source

Dual‐Site Activation of High‐Entropy Alloy Electrocatalysts via Ruthenium‐Induced Electron Transfer for Alkaline Hydrogen Evolution

Small, EarlyView.
Inspired by Ru‐induced electron redistribution in a high‐entropy alloy lattice, a Ru‐incorporated high‐entropy alloy is constructed to simultaneously activate Co/Ni dual sites, thereby boosting alkaline hydrogen evolution activity with low Ru loading.
Seongje Lim, Jae Won Choi, Gyu Yong Jang, Seungho Yu, Chang Qiu, Haotian Wang, Kug‐Seung Lee, Yong‐Tae Kim, Ki Chul Kim, Jong Hyeok Park   +9 more
wiley   +1 more source

Three-dimensional Brillouin confocal microscopy

2007 Conference on Lasers and Electro-Optics (CLEO), 2007
We present Brillouin confocal microscopy for non-invasively measuring mechanical properties of material with three-dimensional spatial resolution and high sensitivity.
Giuliano Scarcelli, Seok H. Yun
openaire   +2 more sources

Brillouin microscopy: an emerging tool for mechanobiology

Nature Methods, 2019
The role and importance of mechanical properties of cells and tissues in cellular function, development and disease has widely been acknowledged, however standard techniques currently used to assess them exhibit intrinsic limitations. Recently, Brillouin microscopy, a type of optical elastography, has emerged as a non-destructive, label- and contact ...
Prevedel R., Diz-Munoz A., Ruocco G., Antonacci G.   +3 more
openaire   +3 more sources

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Dark-field Brillouin microscopy

Optics Letters, 2017
Brillouin microscopy is a non-contact and label-free technique for mapping fundamental micro-mechanical properties in the volume of biological systems. Specular reflections and elastic scattering easily overwhelm the weak Brillouin spectra due to the limited extinction of virtually imaged phased array spectrometers, thereby affecting the image ...
Giuseppe Antonacci
exaly   +3 more sources

Frequency comb Brillouin microscopy

, 2021
Brillouin light scattering (BLS), an almost a century-old technique, has evolved into a powerful and versatile method to study acoustic and magnetic phenomena down to the nanometer size scale. Presently, BLS can be applied in fields as diverse as acoustics, spintronics, geosciences, and biophysics. In addition, the advent of ultrafast laser sources has
Alemán Hérnandez, Felipe Ademir,
openaire   +2 more sources

Brillouin Microscopy for cell and tissue biomechanics

Conference on Lasers and Electro-Optics, 2018
We will describe recent progress of Brillouin microscopy, an all-optical imaging modality to map mechanical properties of material based on Brillouin scattering. In ophthalmology, Brillouin microscopy is in clinical trials; at cell level, Brillouin microscopy enables characterization of intracellular elasticity.
Giuliano Scarcelli
exaly   +2 more sources