Results 131 to 140 of about 47,869 (256)

Cobalt Single‐Atom Nanozyme for Enhanced Intestinal Radioprotection and Tumor Radiosensitization via Bidirectional ROS Modulation

Advanced Science, EarlyView.
Orally administered, pH‐responsive Co‐SAN exerts dual functions: in the alkaline intestinal milieu, it scavenges reactive oxygen species (ROS) and suppresses the PI3K/AKT pathway and NETs formation, thus providing radioprotection; whereas in the acidic tumor microenvironment, it generates ROS and alleviates hypoxia, thereby enhancing radiosensitization.
Shengqi Yin, Junjie Li, Yishu Zou, Yang Liu, Yilin Zheng, Lu Yu, Wanying Zheng, Yajun Zou, Zehui Zhang, Tao Li, Peiqun Yin, Jianlin Zhang, Yuen Wu, Yi Ding   +13 more
wiley   +1 more source

Dynamic assessment of the allocation of copper to cytochrome c oxidase using size-exclusion chromatography (SEC) combined with inductively coupled plasma mass spectrometry (ICP-MS). [PDF]

J Biol Chem
Secic D, Bischoff ME, Schmidt L, Panmanee W, Yang J, Meller J, Vest KE, Cunningham JT, Landero JA, Czyzyk-Krzeska MF.   +9 more
europepmc   +1 more source

Overcoming the Catalytic Bucket Effect in Pt‐based High‐Entropy Nanocages Through Interface Defect and Strain Engineering

Advanced Science, EarlyView.
PtPdNiCuMnAu HENCs exhibit a remarkable half‐wave potential (E1/2) of 0.925 V vs. RHE. The catalyst displays exceptional electrochemical stability, with only a 4 mV negative shift in E1/2 and a mere 5.6% loss in MA after 10, 000 accelerated durability test cycles.
Qian Liu, Haoran Kang, Yiou Liu, Xiaowei Zhang, Xu Chen, Faming Gao   +5 more
wiley   +1 more source

A Method for Determination of Transport Efficiency in Laser Ablation Inductively Coupled Plasma Mass Spectrometry for Tissue Analysis. [PDF]

Anal Chem
Stráník J, Svojanovský V, Weisová J, Uhrová K, Clases D, Hlaváček A, Preisler J.   +6 more
europepmc   +1 more source

Multiscale Coupling From Mastication to Retronasal Aroma Perception: The PG‐DTCFN Model and Multiphysics Simulation

Advanced Science, EarlyView.
Using grilled lamb skewers as a model system, this work builds a multiscale coupling framework from oral processing to retronasal aroma perception, reveals dual‐kinetic release patterns and Electroencephalogram‐characterized central encoding features, and proposes an interpretable physics‐guided deep learning model validated by multiphysics simulation,
Che Shen, Xiongfeng He, Zihao Li, Zidong Chen, Jiajin Sun, Xinyu Jiang, Yunhui Zhang, Lizhang Wu, Ran Wang, Jingnan Lu, Bo Wang, Kezhou Cai, Baocai Xu   +12 more
wiley   +1 more source

Quantitation of Arsenic in biological matrices: Use of Sector Field Inductively Coupled Plasma-Mass Spectrometry for Improved Accuracy and Specificity. [PDF]

Anal Lett
Liyanapatirana C, Weber FX, Harrington JM, Haines LG, Fernando RA, Levine KE, Waidyanatha S.   +6 more
europepmc   +1 more source

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

Inductively Coupled Plasma Mass Spectrometry Analysis (ICP-MS) and Particle Size Distribution of Commercially Available Herbal and Nonherbal Toothpastes. [PDF]

J Pharm Bioallied Sci
Muthu RMT, Manigandan T, Jones S, Jayalakshmi S.   +3 more
europepmc   +1 more source

Two‐Dimensional Conjugated Metal Organic Frameworks with Dual Metal Catalytic Active Sites Enhance POD Activity for Antibacterial Treatment

Advanced Science, EarlyView.
A new class of Cu, Ni bimetallic 2D cMOF (CuNi‐HHTP 2D cMOF) featuring dual catalytic sites and high delocalized electronic structure for boosting POD performance. The CuNi‐HHTP 2D‐cMOF enhances the conversion kinetics of H2O2 to ROS, which subsequently enhances antibacterial activity and accelerates the healing of oral ulcers, with macroscopic wound ...
Yixuan Lu, Qinqin Li, Yumin Chen, Shihan Zhang, Shuai Ding, Yanpei Wang, Youxing Liu, Yaru Guo, Xuliang Deng, Shaojun Guo   +9 more
wiley   +1 more source

Targeted and Nontargeted Detection and Quantitation of Arsenolipids in a Tuna Fish Reference Material (BCR-627) Using Reversed-Phase HPLC with High-Resolution Electrospray Mass Spectrometry and Inductively Coupled Plasma Mass Spectrometry. [PDF]

Anal Chem
Kapsi M, Stergiou E, Drakonaki C, Marmatakis K, Panagou G, Kalantzi I, Tsapakis M, Pergantis SA.   +7 more
europepmc   +1 more source