Results 81 to 90 of about 252,292 (239)

Isolation of enantiomers via diastereomer crystallisation [PDF]

, 2010
Enantiomer separation remains an important technique for obtaining optically active materials. Even though the enantiomers have identical physical properties, the difference in their biological activities make it important to separate them, in order ...
Anandamanoharan, P.
core  

Engineering Metal‐Pocket Cooperativity in Single‐Atom COF Nanozymes for Selective Cascade Catalysis

Advanced Materials, EarlyView.
A multilevel programming strategy is developed to engineer single‐atom COF nanozymes with tunable metal centers and chiral pockets inspired by heme–pocket cooperativity. This approach enables controlled metal–pocket interplay for asymmetric cascade catalysis, delivering high activity, selectivity, and recyclability in an asymmetric oxidation–aldol ...
Ziping Li, Qijun Sun, Yawen Hao, Haotian Wen, Shery Chang, Fengwang Li, Jiangtao Xu, Kang Liang   +7 more
wiley   +1 more source

Nonperturbative Collins-Soper kernel from chiral quarks with physical masses

Physics Letters B
We present a lattice QCD calculation of the rapidity anomalous dimension of quark transverse-momentum-dependent distributions, i.e., the Collins-Soper (CS) kernel, up to transverse separations of about 1 fm. This unitary lattice calculation is conducted,
Dennis Bollweg, Xiang Gao, Swagato Mukherjee, Yong Zhao   +3 more
doaj   +1 more source

Toward Pore‐Engineered 3D‐Printed Materials for Sorption Water Harvesting, Interfacial Evaporation, and Radiative Cooling

Advanced Materials, EarlyView.
Water harvesting, radiative cooling, and interfacial solar evaporation are fundamentally governed by coupled heat, mass, and light transport processes. These processes are mediated by pore architecture, including pore size, connectivity, and hierarchical organization.
Dejan J. Trajkovski, Higgins M. Wilson, Abdallah Y. M. Ali, Jiaxing Xu, Ruzhu Wang, Primož Poredoš   +5 more
wiley   +1 more source

Topological Spin‐Texture Transitions in van der Waals Magnets Revealed by X‐Ray Fourier Transform Holography

Advanced Materials, EarlyView.
Applied here for the first time to a 2D material, high‐resolution synchrotron x‐ray Fourier transform holography directly images topological spin textures in Fe3GeTe2. Combined with atomistic tight‐binding simulations including itinerant electrons and Rashba spin‐orbit coupling, the approach reveals labyrinth, skyrmion, and mixed phases, and uncovers ...
Sourav Chowdhury, Soumyaranjan Dash, Michael Schneider, Christopher Klose, Chithra H. Sharma, Lisa‐Marie Kern, Tim A. Butcher, Josefin Fuchs, Santanu Pakhira, Samik DuttaGupta, Takashi Taniguchi, Kenji Watanabe, Sujit Das, Sanjeev Kumar, Bastian Pfau, Amir‐Abbas Haghighirad, Moritz Hoesch   +16 more
wiley   +1 more source

Predicting enantioseparations on polysaccharide-based stationary phases using achiral and chiral molecular descriptors

Journal of Chromatography Open
Achiral and chiral molecular descriptors were used to build models that predict the global retention of chiral molecules on the one hand, and their enantioselectivity, separation and elution sequence on the other.
Pieter De Gauquier, Jordy Peeters, Fardine Ameli, Emmanuelle Lipka, Kenno Vanommeslaeghe, Yvan Vander Heyden, Debby Mangelings   +6 more
doaj   +1 more source

Current‐Induced Domain Wall Dynamics in Pt/Co/Ni/Co Nanoribbons With Curvilinear Cross‐Sections

Advanced Materials, EarlyView.
3D curvilinear magnetic racetrack nanoribbons are formed with concave and convex cross‐sections using an advanced multi‐photon 3D printer. The curvature is shown to strongly affect current‐induced domain wall motion along the nanoribbons. In nanoribbons with cross‐sections that have both concave and convex segments, the velocities of domain walls with ...
Tiange Dong, Jitul Deka, Chi Fang, André M. A. Farinha, Yicheng Guan, See‐Hun Yang, Stuart S. P. Parkin   +6 more
wiley   +1 more source

Chiral Separations

, 2011
The most abundantly used route toward enantiopure chemical and biological products is through chiral separation of racemates. Several methods are available, of which crystallization is most used in industry, and chromatography is the most common ...
Leeman, M., Schuur, B., de Haan, A., Haan, de, A.B., M. Kaspereit, de Haan, A. B., B. Schuur, Kaspereit, M., M. Leeman, A.B. de Haan   +9 more
core   +1 more source

Optical properties of planar chiral meta-materials [PDF]

, 2002
The polarization state of visible light is found to be altered upon reflection from artificial two-dimensional chiral media. Arrays of metallic planar chiral structures were fabricated by electron beam lithography and ion beam milling. The characteristic
Coles, H.J., Bagnall, D.M., Potts, A., Papakostas, A., Greef, R., Zheludev, N.I.   +5 more
core   +1 more source

Elasticity‐Driven Periodic Polarization Patterns in a Chiral Ferroelectric Nematic Fluid

Advanced Materials, EarlyView.
Chiral polar ferroelectric nematic fluids exhibit spontaneous formation of stripe, square, and hexagonal polarization textures under confinement. Controlled by thickness and anchoring, these patterns produce spatially modulated nonlinear optical responses.
Anej Sterle, Peter Medle Rupnik, Luka Cmok, Aitor Erkoreka, Marta Lavrič, Natan Osterman, Calum J. Gibb, Jordan Hobbs, Josu Martinez‐Perdiguero, Richard J. Mandle, Alenka Mertelj, Nerea Sebastián   +11 more
wiley   +1 more source