نتایج جستجو برای: جو دیرال 106

تعداد نتایج: 33285  

Journal: :Inorganic chemistry 2006
Andreas Loosli Untung Edy Rusbandi Julieta Gradinaru Klaus Bernauer Carl Wilhelm Schlaepfer Michel Meyer Sylwester Mazurek Marjana Novic Thomas R Ward

Incorporation of a biotinylated ruthenium tris(bipyridine) [Ru(bpy)(2)(Biot-bpy)](2+) (1) in either avidin or streptavidin-(strept)avidin-can be conveniently followed by circular dichroism spectroscopy. To determine the stepwise association constants, cooperativity, and chiral discrimination properties, diastereopure (Lambda and Delta)-1 species were synthesized and incorporated in tetrameric (...

Journal: :Dalton transactions 2014
Zhennan Zhao Zuandi Luo Qiong Wu Wenjie Zheng Yanxian Feng Tianfeng Chen

Ruthenium (Ru) polypyridyl complexes have emerged as leading players among the potential metal-based candidates for cancer treatment. However, the roles of cellular translocation in their action mechanisms remain elusive. Herein we present the synthesis and characterization of a series of ruthenium (Ru) complexes containing phenanthroline derivatives with varying lipophilicities, and examine th...

Journal: :Dalton transactions 2008
David J Armitt Michael I Bruce Maryka Gaudio Natasha N Zaitseva Brian W Skelton Allan H White Boris Le Guennic Jean-François Halet Mark A Fox Rachel L Roberts Frantisek Hartl Paul J Low

Transition metal alkynyl complexes containing perfluoroaryl groups have been prepared directly from trimethylsilyl-protected mono- and di-ethynyl perfluoroarenes by simple desilylation/metallation reaction sequences. Reactions between Me(3)SiC[triple bond, length as m-dash]CC(6)F(5) and RuCl(dppe)Cp' [Cp' = Cp, Cp*] in the presence of KF in MeOH give the monoruthenium complexes Ru(C[triple bond...

2011
Bradley T. Loughrey Michael L. Williams Peter C. Healy

The title complex, [Ru(C(10)H(15))(C(10)H(13)NO(2))](C(24)H(20)B)·C(3)H(6)O, is related to the analogous O-methyl complex. The average Ru-C distance to the penta-methyl-cyclo-penta-dienyl (Cp*) group is 2.19 (3) Å, and 2.21 (1) Å to the ortho, meta and para C atoms of the arene ring. The Ru-C(ipso) bond length of 2.272 (3) Å is significantly longer, reflecting movement of the Ru atom away from ...

Journal: :Chemical communications 2010
Yiseul Park Su-Hyun Lee Sang Ook Kang Wonyong Choi

Titania nanoparticles sensitized with metal-free organic dye exhibit high visible-light activities for the redox conversion of water pollutants in a wider pH range in comparison with TiO(2) sensitized with ruthenium bipyridyl complexes.

Journal: :Chemical communications 2013
Christian Torborg Grzegorz Szczepaniak Adam Zieliński Maura Malińska Krzysztof Woźniak Karol Grela

Stable and active Ru olefin metathesis catalyst 7 bearing a sterically reduced NHC ligand was synthesized. Upon action of pyridine, 7 forms complex 24, the first example of an Ru–indenylidene catalyst bearing a labile pyridine ligand and a sterically less demanding NHC ligand.

Journal: :Journal of inorganic biochemistry 2010
Marcelo Salierno Ernesto Marceca Darcy S Peterka Rafael Yuste Roberto Etchenique

We introduce a new caged glutamate, based in a ruthenium bipyridyl core, that undergoes heterolytic cleavage after irradiation with visible light with wavelengths up to 532nm, yielding free glutamate in less than 50ns. Glutamate photorelease occurs also efficiently following two-photon (2P) excitation at 800nm, and has a functional cross section of 0.14GM.

Journal: :Infection and immunity 1997
M Ogata M F Fletcher M Kloczewiak P M Loiselle E M Zanzot M W Vermeulen H S Warren

The 18-kDa cationic protein CAP18 is an antimicrobial protein isolated from rabbit granulocytes that binds lipopolysaccharide (LPS) and inhibits many of its biological activities. We covalently coupled a synthetic peptide representing amino acids 106 to 138 of CAP18 to human immunoglobulin G (IgG) by using the heterobifunctional linker N-succinimidyl-3-(2-pyridyidithio)propionate. The ability o...

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