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Showing 13 to 24 of 366 entries
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Elucidation of the bonding in Mn(eta2-SiH) complexes by charge density analysis and T1 NMR measurements: asymmetric oxidative addition and anomeric effects at silicon.

Chemical communications (Cambridge, England)

Scherer W, Eickerling G, Tafipolsky M, McGrady GS, Sirsch P, Chatterton NP.
PMID: 16832512
Chem Commun (Camb). 2006 Jul 28;(28):2986-8. doi: 10.1039/b604843a. Epub 2006 Jun 07.

The bonding in Mn(eta2-SiH) complexes is interpreted in terms of an asymmetric oxidative addition whose extent is controlled by the substitution pattern at the hypercoordinate silicon centre, and especially by the ligand trans to the eta2-coordinating SiH moiety.

Oxidative reactivity difference among the metal oxo and metal hydroxo moieties: pH dependent hydrogen abstraction by a manganese(IV) complex having two hydroxide ligands.

Journal of the American Chemical Society

Yin G, Danby AM, Kitko D, Carter JD, Scheper WM, Busch DH.
PMID: 18998682
J Am Chem Soc. 2008 Dec 03;130(48):16245-53. doi: 10.1021/ja804305x.

Clarifying the difference in redox reactivity between the metal oxo and metal hydroxo moieties for the same redox active metal ion in identical structures and oxidation states, that is, M(n+)O and M(n+)-OH, contributes to the understanding of nature's choice...

Development and role of coronary collaterals.

Trends in cardiovascular medicine

Schaper W.
PMID: 21239305
Trends Cardiovasc Med. 1991 Sep;1(6):256-61. doi: 10.1016/1050-1738(91)90031-9.

The collateral circulation that develops in response to gradual and progressive coronary artery occlusion can maintain the structural and functional integrity of the subtended myocardium to an astonishing degree, provided the speed of the stenosing process is not too...

4,6-Dinitro-N,N'-di-n-octylbenzene-1,3-diamine, 4,6-dinitro-N,N'-di-n-undecylbenzene-1,3-diamine and N,N'-bis(2,4-dinitrophenyl)octane-1,8-diamine.

Acta crystallographica. Section C, Crystal structure communications

Teng G, Walczak CP, Squattrito PJ, Mohanty DK, Scharer W, Giolando MR, Kirschbaum K.
PMID: 19190393
Acta Crystallogr C. 2009 Feb;65:o76-80. doi: 10.1107/S0108270109001619. Epub 2009 Jan 17.

4,6-Dinitro-N,N'-di-n-octylbenzene-1,3-diamine, C(22)H(38)N(4)O(4), (I), 4,6-dinitro-N,N'-di-n-undecylbenzene-1,3-diamine, C(28)H(50)N(4)O(4), (II), and N,N'-bis(2,4-dinitrophenyl)octane-1,8-diamine, C(20)H(24)N(6)O(8), (III), are the first synthetic meta-dinitroarenes functionalized with long-chain aliphatic amine groups to be structurally characterized. The intra- and intermolecular interactions in these model compounds provide information that can be...

Signal transduction in the footsteps of goethe and schiller.

Cell communication and signaling : CCS

Friedrich K, Lindquist JA, Entschladen F, Serfling E, Thiel G, Kieser A, Giehl K, Ehrhardt C, Feller SM, Ullrich O, Schaper F, Janssen O, Hass R.
PMID: 19193215
Cell Commun Signal. 2009 Feb 04;7:2. doi: 10.1186/1478-811X-7-2.

The historical town of Weimar in Thuringia, the "green heart of Germany" was the sphere of Goethe and Schiller, the two most famous representatives of German literature's classic era. Not yet entirely as influential as those two cultural icons,...

Entangled electron and nuclear spin states in 15N@C60: density matrix tomography.

The Journal of chemical physics

Scherer W, Mehring M.
PMID: 18266422
J Chem Phys. 2008 Feb 07;128(5):052305. doi: 10.1063/1.2819310.

Procedures of the preparation and detection of entangled electron-nuclear spin states in (15)N@C(60) by combining electron spin resonance and electron nuclear double resonance pulse techniques are presented. A quantitative evaluation of the complete density matrix is obtained by a...

Development of the collateral circulation: History of an idea.

Experimental and clinical cardiology

Schaper W.
PMID: 19649224
Exp Clin Cardiol. 2002;7(2):60-3.

A lifelong commitment to the idea of finding the blueprint according to which collateral arteries develop from small arteriolar precursors into larger arteries that can replace occluded major arteries, including the aorta, is described. A small early discovery (the...

Structural remodelling in heart failure.

Experimental and clinical cardiology

Schaper J, Kostin S, Hein S, Elsässer A, Arnon E, Zimmermann R.
PMID: 19649225
Exp Clin Cardiol. 2002;7(2):64-8.

In the development of heart failure, extensive remodelling of the entire myocardium takes place. In this paper, findings on structural remodelling occurring in patients with severely reduced left ventricular function due to dilated cardiomyopathy are presented. This process involves...

ANP expression in the hypertensive heart.

Experimental and clinical cardiology

Kessler-Icekson G, Barhum Y, Schaper J, Schaper W, Kaganovsky E, Brand T.
PMID: 19649228
Exp Clin Cardiol. 2002;7(2):80-4.

Atrial natriuretic peptide (ANP), the principal member of the natriuretic factor family of peptides, primarily a product of the atria in the adult heart, is also expressed in the fetal ventricles. A minority of ventricular impulse-conducting cells and myocytes...

Borane and borohydride complexes of the rare-earth elements: synthesis, structures, and butadiene polymerization catalysis.

Chemistry (Weinheim an der Bergstrasse, Germany)

Jenter J, Meyer N, Roesky PW, Thiele SK, Eickerling G, Scherer W.
PMID: 20397155
Chemistry. 2010 May 10;16(18):5472-80. doi: 10.1002/chem.200902923.

The reaction of potassium 2,5-bis[N-(2,6-diisopropylphenyl)iminomethyl]pyrrolyl [(dip(2)-pyr)K] with the borohydrides of the larger rare-earth metals, [Ln(BH(4))(3)(thf)(3)] (Ln=La, Nd), afforded the expected products [Ln(BH(4))(2)(dip(2)-pyr)(thf)(2)]. As usual, the trisborohydrides reacted like pseudohalide compounds forming KBH(4) as a by-product. To compare the reactivity...

Effects of ?-latrotoxin, lanthanides and elevated potassium concentration on acetylcholine release and free intracellular calcium levels in rat cerebral cortex synaptosomes.

Neurochemistry international

Scheer HW, Rosenthal LP, Collier B.
PMID: 20504684
Neurochem Int. 1991;18(1):115-24. doi: 10.1016/0197-0186(91)90044-e.

At peripheral cholinergic nerve terminals, lanthanum (La(3+)) increases acetylcholine (ACh) release and supports transmitter release induced by ?-latrotoxin (?-LTx). The present experiments investigate these interactions at central cholinergic nerve terminals by measuring the effects of La(3+) and gadolinium (Gd(3+)),...

Targeted siRNA Delivery and mRNA Knockdown Mediated by Bispecific Digoxigenin-binding Antibodies.

Molecular therapy. Nucleic acids

Schneider B, Grote M, John M, Haas A, Bramlage B, Ickenstein LM, Jahn-Hofmann K, Bauss F, Cheng W, Croasdale R, Daub K, Dill S, Hoffmann E, Lau W, Burtscher H, Ludtke JL, Metz S, Mundigl O, Neal ZC, Scheuer W, Stracke J, Herweijer H, Brinkmann U.
PMID: 23344238
Mol Ther Nucleic Acids. 2012 Sep 18;1:e46. doi: 10.1038/mtna.2012.39.

Bispecific antibodies (bsAbs) that bind to cell surface antigens and to digoxigenin (Dig) were used for targeted small interfering RNA (siRNA) delivery. They are derivatives of immunoglobulins G (IgGs) that bind tumor antigens, such as Her2, IGF1-R, CD22, and...

Showing 13 to 24 of 366 entries