Results 241 to 250 of about 140,285 (306)

Dynamic Regulation of Supramolecular Chirality in an Amphiphilic Dimeric Macrocycle Through Azobenzene‐Based Photoisomerization

Advanced Science, EarlyView.
A stimuli‐responsive supramolecular system has been rationally designed enabling hierarchical control over supramolecular handedness. This hybrid architecture retains orthogonal host‐guest properties and displays unique amphiphilicity‐directed chiral self‐assembly.
Minzan Zuo, Yi Shi, Xueqi Tian, Tao Zhang, Jianmin Jiao, Yuhong Shen, Yutong Xie, Jianwen Wei, Xiao‐Yu Hu   +8 more
wiley   +1 more source

Stereochemical optimization of N,2-substituted cycloalkylamines as norepinephrine reuptake inhibitors. [PDF]

RSC Med Chem
Dilweg MA, Mocking TAM, Maragkoudakis P, van Westen GJP, Heitman LH, IJzerman AP, Jespers W, van der Es D.   +7 more
europepmc   +1 more source

Thermoelectric Gating Organic Electrochemical Transistors Enabled by Printable Ionogels With n‐p Convertible Thermopower

Advanced Science, EarlyView.
A type of thermoelectric ionogels with convertible n‐p thermopowers are demonstrated with Seebeck coefficients ranging from ‐3.61 to +9.74 mV K−1. Thus, thermoelectric gating organic electrochemical transistor is achieved by employing ionogel as thermoelectric modules and ionic dielectrics simultaneously, paving the road to self‐powered, highly ...
Xingyu Hu, Xinwen Yan, Ling Huang, Xiaohang Zhang, Xuan Cao, Cong Zhang, Qingqing Sun, Hanyu Jia, Xuying Liu   +8 more
wiley   +1 more source

Spatially Separated Redox Centers in One‐Dimensional Sp2‐Carbon Covalent Organic Frameworks Enable Synergistic Photocatalytic Palladium Recovery and Bisphenol A Mineralization

Advanced Science, EarlyView.
A one‐dimensional sp2‐carbon covalent organic framework with spatially segregated redox centers integrates a dual photosensitizing system and a cationic interface for synergistic photocatalysis. The material achieves exceptional palladium recovery (1749 mg g−1) and bisphenol A mineralization (0.1710 min−1) without sacrificial agents, demonstrating ...
Yi‐Ru Chen, Jing‐Yi Li, Yao Xiao, Dan Zhong, Lu Zhang, Yu‐Ting Xie, Xiu Wang, Yibao Li, Wei‐Rong Cui, Jian‐Ding Qiu   +9 more
wiley   +1 more source

Enhancement of weak signals by applying a suppression method to high-intense methyl and methylene signals of lipids in NMR spectroscopy. [PDF]

RSC Adv
Singh U, Emwas AH, Jaremko M.
europepmc   +1 more source

Antiproliferative effects of resorcylic acid lactones from the Beibu Gulf coral-derived fungus Curvularia lunata GXIMD 02512 on prostate cancer cells. [PDF]

RSC Adv
Wang J, Lu H, Fang W, Lin M, Feng Y, Qi X, Gao C, Liu Y, Wang X, Luo X.   +9 more
europepmc   +1 more source

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Evaluation of Fast 2D NMR for Metabolomics

Analytical Chemistry, 2014
Two-dimensional nuclear magnetic resonance (2D NMR) is increasingly explored as a tool for metabolomics because of its superior resolution compared to one-dimensional NMR (1D NMR). However, 2D NMR is characterized by longer acquisition times, which makes it less suitable for high-throughput studies.
Guennec, Adrien Le, Giraudeau, Patrick, Caldarelli, Stefano   +2 more
openaire   +2 more sources

Micellar structure studied by 2D‐NMR

Recueil des Travaux Chimiques des Pays-Bas, 1988
AbstractThis paper describes the possibility of using 2D‐NMR spectroscopy in the study of the morphology of micelles. In aqueous solution, the monomeric surfactant 1‐methyl‐4‐dodecylpyridinium iodide magnified image exhibits positive NOE's whereas negative NOE's are observed for the micellar aggregate.
NUSSELDER, JJH, ENGBERTS, JBFN, BOELENS, R, KAPTEIN, R   +3 more
openaire   +3 more sources

Synchronized double rotation 2D NMR

Solid State Nuclear Magnetic Resonance, 2000
Analytical expressions for multi-quantum signal generation of quadrupole nuclei have been derived. Combined with numerical simulation of the double rotor motion, a strategy is suggested for partial sideband suppression in multi-quantum NMR spectra. Synchronization of multi-quantum excitation and selective flip pulses with outer rotor motion increase ...
A, Samoson, T, Anupõld
openaire   +2 more sources

The application of the ERETIC method to 2D-NMR

Journal of Magnetic Resonance, 2004
As a means of obtaining precise quantitative data in 2D NMR spectroscopy, the use of an electronic reference signal (ERETIC) has been examined. The results presented demonstrate that the ERETIC method can be used in different situations encountered in 2D-NMR spectroscopy: homonuclear and heteronuclear spectra, phased or magnitude mode, symmetrization ...
Nathalie, Michel, Serge, Akoka
openaire   +2 more sources