نتایج جستجو برای: π stacking interaction

تعداد نتایج: 605162  

Journal: :Journal of materials chemistry. A, Materials for energy and sustainability 2023

A fully non-fused electron acceptor BO-4T with condensed π–π stacking and obvious face-on orientation was developed. The D:A pairing principles for NFREA-based OSCs were explored PM6 works the best BO-4T.

2016
Juliana C. Barreiro Márcio W. Paixão Tiago C. Lourenço Quezia B. Cass Tiago Venâncio

This paper reports the investigation of the chiral interaction between 3,4-methylenedioxy-methamphetamine (MDMA) enantiomers and an immobilized polysaccharide-based chiral phase. For that, suspended-state high-resolution magic angle spinning nuclear magnetic resonance spectroscopy (1H HR-MAS NMR) was used. 1H HR-MAS longitudinal relaxation time and Saturation Transfer Difference (STD NMR) titra...

Journal: :Electrophoresis 2014
Guang Huang Junjie Ou Xiaodan Zhang Yongsheng Ji Xiaojun Peng Hanfa Zou

Novel cyclodextrin (CD) chiral stationary phases (CD-CSPs) with well-defined structure have been successfully synthesized by immobilization of mono/di(10-undecenoyl)-perphenylaminocarbonyl β-CD on the 3-mercaptopropyl functionalized silica gel via thiol-ene click chemistry. The phenyl carbamate groups on the rims of CD extended the cavity of CD-CSPs, which facilitated the formation of inclusion...

Journal: :Nanotechnology 2008
Sheng-Tao Yang Haifang Wang Lin Guo Yang Gao Yuanfang Liu Aoneng Cao

The potential biomedical applications of fullerenol C(60)(OH)(x) (x≈24) have been extensively studied. However, the structural information of the interaction of fullerenol with the bio-system at the molecular level, which is essential for understanding its bioactivity and toxicity, is still missing. In this study, lysozyme was selected as a model protein to investigate the interaction between f...

Ardeshir Shokrollahi, Hossein Aghabozorg Leila Roshan Masoud Mirzaei, Najmeh Firoozi Roghayyeh Aghaei Ziba Aghlmandi

In the crystal structure of the title polymeric compound, [C42H38N6O33Sr5.2(H2O)]n, five independent metal atoms (Sr1-Sr5) have different coordination environments. The Sr1 and Sr5 atoms are nine coordinated and feature distorted tricapped trigonal-prismatic and capped square-antiprismatic geometries, respectively....

Journal: :Nanoscale 2012
Guillermo O Menéndez Emiliano Cortés Doris Grumelli Lucila P Méndez De Leo Federico J Williams Nicolás G Tognalli Alejandro Fainstein María Elena Vela Elizabeth A Jares-Erijman Roberto C Salvarezza

Heptamethinecyanine J-aggregates display sharp, intense fluorescence emission making them attractive candidates for developing a variety of chem-bio-sensing applications. They have been immobilized on planar thiol-covered Au surfaces and thiol-capped Au nanoparticles by weak molecular interactions. In this work the self-assembly of novel thiolated cyanine (CNN) on Au(111) and citrate-capped AuN...

Journal: :Acta Crystallographica Section A Foundations and Advances 2019

Journal: :Dalton transactions 2014
Michael G Pfeffer Christian Pehlken Robert Staehle Dieter Sorsche Carsten Streb Sven Rau

The effects of the planar aromatic organic molecules anthracene and pyrene on the catalytic performance of the intramolecular hydrogen evolving photocatalyst [Ru(tbbpy)2(tpphz)PdCl2](PF6)2 functioning as a photocatalytic dyad have been studied. (1)H-NMR studies on [Ru(tbbpy)2(tpphz)PdCl2](PF6)2 and [Ru(tbbpy)2(tpphz)](PF6)2 show a pronounced interaction of pyrene with the ruthenium complexes du...

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