Results 201 to 210 of about 78,616 (252)

Atomic‐Level CuOx‐CoOx‐Pd Interfacial Engineering Enables Hierarchical Synergy for High‐Efficiency ORR Pathways and Boosted Power Output in Alkaline Fuel Cells

Advanced Science, EarlyView.
Atomically dispersed CuOx (CPCu‐1) forms isolated Cu–Ov sites that enable defect‐mediated O2 activation and fast electron/proton transfer via interfacial synergy. In contrast, thick CuOx clusters (CPCu‐10) promote a surface‐adsorption‐controlled pathway with intermediate accumulation, highlighting a mechanism switch from interfacial activation to ...
Yang‐Yang Hsu, Ching‐Hua Fan, Kuan‐Wen Wang, Kuang‐Kuo Wang, Nozomu Hiraoka, Hirofumi Ishii, Ting‐Shan Chan, Po‐Chun Chen, Tsan‐Yao Chen   +8 more
wiley   +1 more source

In Situ Confinement of 0D Halometallates Within Deep Eutectic Solvents: From Systematic Screening to Metal‐Tunable Luminescence for Anti‐Counterfeiting Eutectogels

Advanced Science, EarlyView.
We report photostable, photoluminescent deep eutectic solvents (DESs) powered by in situ‐formed zero‐dimensional (0D) halometallates. Stabilized by microenvironment‐controlling hydrogen bond acceptor (HBA) and donor (HBD) networks, these DESs exhibit vibrant, metal ion‐tunable emission (PLQY = 60.2%).
Jeesu Moon, Minkyu Jung, Woojin Jung, Jaeyune Ryu, Jae‐Seung Lee   +4 more
wiley   +1 more source

Intrinsically Mitochondria‐Targeting Nanozyme via Coordination‐Assembly of Natural Quercetin for Cascade Antioxidant Therapy of Cerebral Ischemia‐Reperfusion Injury

Advanced Science, EarlyView.
This study uncovers that quercetin naturally targets mitochondria. By coordinating quercetin with Fe3+, we engineer an ultrasmall cascade nanozyme (MCN) with superoxide dismutase‐catalase activities. MCN crosses the damaged blood–brain barrier, scavenges mitochondrial ROS, prevents mitochondrial DNA leakage, and blocks the cGAS‐STING pathway, thereby ...
Wenxuan Zheng, Zhicheng Wang, Xin Zhou, Shuya Wang, Xiaojing Shi, Tingli Xiong, Ruishi Li, Yuting Lin, Zhen Chen, Jiawen Wei, Fei Li, Jinwen Ge, Kelong Ai, Chong Liu, Guiming Deng   +14 more
wiley   +1 more source

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Fluorescence resonance energy transfer

Current Opinion in Biotechnology, 1995
In the past year, a number of studies have demonstrated the utility of fluorescence resonance energy transfer as a technique for probing complex intermolecular interactions and for determining the spatial extension and geometrical characteristics of multicomponent structures composed of diverse molecular constituents, such as proteins, lipids ...
R M Clegg, Robert M Clegg
exaly   +5 more sources

Plasmon‐Enhanced Fluorescence Resonance Energy Transfer

Chemical Record, 2019
AbstractIn this review, we firstly introduce physical mechanism of fluorescence resonance energy transfer (FRET), the methods to measure FRET efficiency, and the applications of FRET. Secondly, we introduce the principle and applications of plasmon‐enhanced fluorescence (PEF).
Xijiao Mu, Mengtao Sun, Jingang Wang
exaly   +3 more sources

Cytometry of Fluorescence Resonance Energy Transfer

2004
Publisher Summary luorescence resonance energy transfer (FRET) is a phenomenon in fluorescence spectroscopy where energy is transferred from an excited donor molecule to an acceptor molecule under favorable spectral, proximity, and orientational conditions.
György, Vereb, János, Matkó, János, Szöllosi   +2 more
openaire   +2 more sources

Nonextensive kinetics of fluorescence resonance energy transfer

The Journal of Chemical Physics, 2008
Some fluorescence dyes in complex media, such as those found in biology, demonstrate nonextensive kinetics, which implies representing their fluorescence decays in terms of lifetime distributions rather than simple exponentials. Complex kinetics usually discourage application to lifetime sensors, as it is believed, that additional molecular mechanisms ...
Rolinski, O.J., Birch, D.J.S.
openaire   +4 more sources

Ultrafast fluorescence resonance energy transfer in a micelle

The Journal of Chemical Physics, 2006
Ultrafast fluorescence resonance energy transfer (FRET) from coumarin 153 (C153) to rhodamine 6G (R6G) is studied in a neutral PEO20–PPO70–PEO20 triblock copolymer (P123) micelle and an anionic micelle (sodium dodecyl sulfate, SDS) using a femtosecond up-conversion setup.
Kalyanasis, Sahu, Subhadip, Ghosh, Sudip Kumar, Mondal, Bankim Chandra, Ghosh, Pratik, Sen, Durba, Roy, Kankan, Bhattacharyya   +6 more
openaire   +2 more sources

Fluorescence Resonance Energy Transfer Microscopy (FRET)

2014
FRET (Förster Resonance Energy Transfer) microscopy breaks the resolution limit of light to let us investigate the conformation and function of proteins within living cells. Intensity-based methods are the most popular and direct approach to detect FRET.
Katarzyna M, Kedziora, Kees, Jalink
openaire   +2 more sources

Single-Molecule Fluorescence Resonance Energy Transfer

Methods, 2001
Fluorescent resonance energy transfer (FRET) is a powerful technique for studying conformational distribution and dynamics of biological molecules. Some conformational changes are difficult to synchronize or too rare to detect using ensemble FRET. FRET, detected at the single-molecule level, opens up new opportunities to probe the detailed kinetics of ...
openaire   +2 more sources