Results 101 to 110 of about 21,861 (248)

Coordination‐Tuned Iridium Single‐Atom Nanozymes Boost Multienzyme Activity for Colorimetric Sensing

Advanced Science, EarlyView.
Breaking the coordination symmetry of Ir single‐atom sites through asymmetric Ir–N3S1 engineering tailors interfacial electron transfer, oxygen activation, and multienzyme‐like catalytic pathways. Operando spectroscopy and theoretical modeling uncover the atomic‐level origin of activity enhancement, providing a strategy for designing multifunctional ...
Tao Li, Xinyu Zhang, Jiashan Xia, Mengyu Wu, Cong Liu, Yapei Sun, Wanjiang Zhao, Min Qian, Wei Wang, Weixia Duan, Shangcheng Xu   +10 more
wiley   +1 more source

An efficient EPR spin-labeling method enables insights into conformational changes in DNA

Biophysical Reports
Electron paramagnetic resonance (EPR) is a powerful tool for elucidating both static and dynamic conformational alterations in macromolecules. However, to effectively utilize EPR for such investigations, the presence of paramagnetic centers, known as ...
Melanie Hirsch, Lukas Hofmann, Idan Yakobov, Shirin Kahremany, Hila Sameach, Yulia Shenberger, Lada Gevorkyan-Airapetov, Sharon Ruthstein   +7 more
doaj   +1 more source

High‐Temperature Persistent Luminescence and Anti‐Thermal Quenching in LiGa5O8 by Trap Engineering

Advanced Science, EarlyView.
Cu/Zn co‐doping creates deep and thermally stable traps in LiGa5O8, enabling enhanced high‐temperature persistent luminescence, anti‐thermal‐quenching emission, and dynamic blue‐to‐red color evolution. ABSTRACT High‐temperature luminescent materials are essential for applications in displays, information storage, anti‐counterfeiting, and extreme ...
Yuchen Wang, Yilong Fan, Jianhua Liu, Jin Zhang, Dingling Xiong, Tengxiang Long, Lina Su, Chao Sun, Hao Song, Pengpeng Dai, Jingui Duan, Ling Huang   +11 more
wiley   +1 more source

Tunable Reversible Photochromic Ultralong Organic Phosphorescence via a Universal Phenylpyridine Noncovalent Assembly Strategy

Advanced Science, EarlyView.
A concise supramolecular assembly strategy using α‐cyclodextrin and phenylpyridine derivatives affords dual‐functional materials with switchable multicolor photochromism and tunable ultralong organic phosphorescence, offering new platforms for various photonic applications. ABSTRACT Supramolecular photochromic materials capable of reversible alteration
Xue Bai, Renliang Wang, Hong‐Jin Xue, Zhuofan Jiang, Shuo Yang, Chiming Li, Yanqing Ge, Caihong Liu, Xian‐Yin Dai   +8 more
wiley   +1 more source

Evolution of ferromagnetic cluster in perovskite La0.88Sr0.12MnO3 nanocrystalline detected by EPR spectrum

Scientific Reports
Electron paramagnetic resonance (EPR) studies were performed on La0.88Sr0.12MnO3 (LSMO) nanocrystalline together with the measurement of its magnetization.
Shaozhen Li, Lisha Xu, Chao Fu, Mengqiu zheng, Wei Tong, Jiyu Fan   +5 more
doaj   +1 more source

EPR Studies of KCNE3 in Proteoliposomes using Electron Paramagnetic Resonance (EPR) Spectroscopy [PDF]

Biophysical Journal, 2021
Indra D. Sahu, Alberto Perez, Samuel Haralu, Matthew Scheyer, Gary A. Lorigan   +4 more
openaire   +1 more source

Fourier Transform EPR (Electron Paramagnetic Resonance) of chemical reactions

, 1990
Transient free radicals formed by laser photolysis have been measured in solution by Fourier Transform Electron Paramagnetic Resonance. The high resolution spectra positively identify the initial free radicals formed from the quenching of triplet duroquinone by triethylamine in solution. The spectra were used to follow the kinetics of the free radicals
R. Massoth, M. Bowman
openaire   +2 more sources

ABCABC Stacking‐Enabled Non‐Centrosymmetry 3R‐ZnIn2S4 Nanosheets for Piezocatalytic Uranium Extraction

Advanced Science, EarlyView.
The ABCABC stacking sequence in 2D ZnIn2S4 nanosheets creates intrinsic non‐centrosymmetry, enabling robust piezocatalysis under weak mechanical agitation. The nanosheets achieve a H2O2 yield of 276.7 µmol g−1 h−1 and uranium extraction capacity of 763.2 mg g−1 via a dual mechanism of direct piezoreduction and in situ H2O2 complexation.
Song Li, Huaijuan Zhou, Yingting Yang, Yanhong Lv, Zdeněk Sofer, Jianyun Zheng, Jinhua Li   +6 more
wiley   +1 more source

Polarization Engineering in Vinylene‐Linked COFs Toward Efficient Neuromorphic Computing

Advanced Science, EarlyView.
A vinyl‐linked covalent organic framework (COF‐DIBPY) was synthesized on a conductive substrate for memristor applications. Redox reactions and bromide migration enable low‐voltage (0.5V) conductance switching with high analog on/off ratio (15.7). The device was further integrated into a speech emotion recognition system for acoustic simulation and ...
Hao Wang, Lei Zhao, Haoyuan Yao, Qiongshan Zhang, Fuzhen Xuan, Bin Zhang   +5 more
wiley   +1 more source

Investigating Superconductivity with Electron Paramagnetic Resonance (EPR) Spectrometer [PDF]

, 2012
Shaltiel, D., Krug von Nidda, Hans-Albrecht, Shapiro, B. Ya., Loidl, Alois, Tamegai, T., Kurz, T., Bogoslavsky, B., Rosenstein, B., Shapiro, I.   +8 more
openaire   +2 more sources