Results 211 to 220 of about 14,690 (264)

Chiral nanoparticles drive enantiomer-specific osteogenic differentiation of stem cells and accelerate bone regeneration. [PDF]

Sci Adv
Wang Y, Zhong Z, Li Z, Guo Y, Ieong CSU, Yao T, Yang B, Zhang N, He S, Zhou Z, Liu J, Cai R, Wang Y, Choi CHJ, Mao C, Xie D, Huang Z, Liu B, Xie M, Chen C, Li ZA.   +20 more
europepmc   +1 more source

Circular Dichroism via Extrinsic Chirality in Achiral Plasmonic Nanohole Arrays. [PDF]

Materials (Basel)
Floris F, Angelini M, Jefimovs K, Kazazis D, Marabelli F.   +4 more
europepmc   +1 more source

Nanoporous BNC network on Au(111) from a borazine-based arylalkyne.

Chem Commun (Camb)
Ibarra-Barreno CM, Crosta M, Deyerling J, van Hunnik AJ, Seufert K, Bonifazi D, Auwärter W, Rudolf P.   +7 more
europepmc   +1 more source

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A Chiral Metal Surface

Angewandte Chemie International Edition, 2001
Pronounced surface restructuring leads to the formation of chiral kink sites when a chiral molecular overlayer (2,5,8,11,14,17-hexa-(tert-butyl)decacyclene) is adsorbed onto an extended, flat metal surface (Cu{110}). The process is proposed to happen as a result of the adsorbed molecule inducing chirality in the achiral surface.
Schunack, M., Lægsgaard, Erik, Stensgaard, I., Johannsen, I., Besenbacher, F.   +4 more
openaire   +3 more sources

Surface Chemistry of Chiral Compounds on Chiral and Achiral Surfaces

2022
This works aims to expand our understanding of amino acid surface chemistry on chiral and achiral metallic substrates. Both experimental and computational methods are employed to deepen our knowledge that relates the dependence of amino acid adsorption and decomposition kinetics on the chemical state, surface orientation, or external fields of the ...
openaire   +1 more source

An Inversion of Chirality at a Chiral Micelle Surface

Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals, 1994
Abstract Two chiral quaternary ammonium bromide detergents S-1,2- and S-2,1-N-hexadecyl-N,N-dimethyl propanol bromide with the same S molecular configuration which are constituent isomers have been synthesised. They were used to prepare Amphiphillic Cholesteric Liquid Crrstal (ACLC) samples where the molecular stereochemistry in respect to the micelle ...
K. Radley, H. Cattey
openaire   +1 more source

Superenantioselective Chiral Surface Explosions

Journal of the American Chemical Society, 2013
Chiral inorganic materials predated life on Earth, and their enantiospecific surface chemistry may have played a role in the origins of biomolecular homochirality. However, enantiospecific differences in the interaction energies of chiral molecules with chiral surfaces are small and typically lead to modest enantioselectivities in adsorption, catalysis,
Andrew J, Gellman, Ye, Huang, Xu, Feng, Vladimir V, Pushkarev, Brian, Holsclaw, Bharat S, Mhatre   +5 more
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A metal surface with chiral memory

Chem. Commun., 2014
Prochiral molecules locally induce a chiral restructuring of the Cu(110) surface that persists after removal of the molecules.
Karageorgaki Chrysanthi, Ernst Karl-Heinz   +1 more
openaire   +3 more sources

Surface waves in chiral layers

Optics Letters, 1991
We analyze the surface-wave propagation in homogeneous layers of chiral or optically active materials. Two cases of chiral slab are considered: a symmetric chiral slab waveguide and a grounded chiral slab waveguide. The dispersion relation and the electric-field components for surface waves guided in a symmetric chiral slab are analyzed and discussed ...
N, Engheta, P, Pelet
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Chiral Recognition in Surface Explosion

Journal of the American Chemical Society, 2004
The vast majority of chiral compounds crystallize into racemic crystals. It has been predicted and was experimentally established as a rule that chiral molecules on surfaces are more easily separated into homochiral domains due to confinement into a plane and lower entropic contributions.
Behzadi B, Romer S, Fasel R, Ernst KH
openaire   +3 more sources