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Showing 1 to 12 of 257 entries
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Placement of Stimulating Epidural Catheter for a Patient With Large Scapular Sarcoma: A Case Report.

A&A practice

Turner JD, Dobson SW, Weller RS, Lack CM, Henshaw DS.
PMID: 28937422
A A Pract. 2018 Feb 01;10(3):53-56. doi: 10.1213/XAA.0000000000000629.

We report the use of continuous electrical stimulation to assist with the preoperative placement of a thoracic epidural which was used to provide postoperative analgesia in a patient undergoing excision of a large scapular sarcoma. The size of the...

Behavioral study of selected microorganisms in an aqueous electrohydrodynamic liquid bridge.

Biochemistry and biophysics reports

Paulitsch-Fuchs AH, Zsohár A, Wexler AD, Zauner A, Kittinger C, de Valença J, Fuchs EC.
PMID: 29114576
Biochem Biophys Rep. 2017 Apr 28;10:287-296. doi: 10.1016/j.bbrep.2017.04.015. eCollection 2017 Jul.

An aqueous electrohydrodynamic (EHD) floating liquid bridge is a unique environment for studying the influence of protonic currents (mA cm

Mechanistic studies of the dehydrocoupling and dehydropolymerization of amine-boranes using a [Rh(Xantphos)]⁺ catalyst.

Journal of the American Chemical Society

Johnson HC, Leitao EM, Whittell GR, Manners I, Lloyd-Jones GC, Weller AS.
PMID: 24844130
J Am Chem Soc. 2014 Jun 25;136(25):9078-93. doi: 10.1021/ja503335g. Epub 2014 Jun 11.

A detailed catalytic, stoichiometric, and mechanistic study on the dehydrocoupling of H3B·NMe2H and dehydropolymerization of H3B·NMeH2 using the [Rh(Xantphos)](+) fragment is reported. At 0.2 mol % catalyst loadings, dehydrocoupling produces dimeric [H2B-NMe2]2 and poly(methylaminoborane) (M(n) = 22,700 g mol(-1),...

[(iPr3P)6Rh6H12]2+: a high-hydride content octahedron that bridges the gap between late and early transition metal clusters.

Journal of the American Chemical Society

Ingleson MJ, Mahon MF, Raithby PR, Weller AS.
PMID: 15080675
J Am Chem Soc. 2004 Apr 21;126(15):4784-5. doi: 10.1021/ja049402n.

Treatment of [(iPr3P)2Rh(nbd)][Y] {nbd = norbornadiene, Y = B{3,5-(CF3)2C6H3}4- [B(ArF)4] or 1-H-closo-CB11Me11-} with H2 (ca. 4 atm) results in the isolation, in moderate yield, of the octahedral cluster complex [(iPr3P)6Rh6H12][Y]2 1. The cluster (for both anions) has been characterized...

Amine-borane sigma-complexes of rhodium. relevance to the catalytic dehydrogenation of amine-boranes.

Journal of the American Chemical Society

Douglas TM, Chaplin AB, Weller AS.
PMID: 18844358
J Am Chem Soc. 2008 Nov 05;130(44):14432-3. doi: 10.1021/ja806582n. Epub 2008 Oct 10.

Rhodium amine-borane sigma-complexes of H3BNHMe2 have been isolated which are potential intermediates in the catalytic dehydrogenation of H3B.NHMe2.

A DFT based investigation into the electronic structure and properties of hydride rich rhodium clusters.

Dalton transactions (Cambridge, England : 2003)

Brayshaw SK, Green JC, Hazari N, Weller AS.
PMID: 17471373
Dalton Trans. 2007 May 14;(18):1781-92. doi: 10.1039/b701683b. Epub 2007 Mar 26.

Density functional theory has been used to investigate the structures, bonding and properties of a family of hydride rich late transition metal clusters of the type [Rh(6)(PH(3))(6)H(12)](x) (x = 0, +1, +2, +3 or +4), [Rh(6)(PH(3))(6)H(16)](x) (x = +1...

Storing and releasing hydrogen with a redox switch.

Angewandte Chemie (International ed. in English)

Brayshaw SK, Green JC, Hazari N, McIndoe JS, Marken F, Raithby PR, Weller AS.
PMID: 16888830
Angew Chem Int Ed Engl. 2006 Sep 11;45(36):6005-8. doi: 10.1002/anie.200601434.

No abstract available.

Dihydrogen complexes of rhodium: [RhH2(H2)x (PR3)2]+ (R = Cy, iPr; x = 1, 2).

Inorganic chemistry

Ingleson MJ, Brayshaw SK, Mahon MF, Ruggiero GD, Weller AS.
PMID: 15847423
Inorg Chem. 2005 May 02;44(9):3162-71. doi: 10.1021/ic0482739.

Addition of H2 (4 atm at 298 K) to [Rh(nbd)(PR3)2][BAr(F)4] [R = Cy, iPr] affords Rh(III) dihydride/dihydrogen complexes. For R = Cy, complex 1a results, which has been shown by low-temperature NMR experiments to be the bis-dihydrogen/bis-hydride complex [Rh(H)2(eta2-H2)2(PCy3)2][BAr(F)4]....

Pathophysiological concept of the pathogenesis of diabetes and its treatment.

Prensa medica argentina

WEILER ES.
PMID: 20243076
Prensa Med Argent. 1947 May 02;34(18):895-7.

No abstract available.

Reactivity of the latent 12-electron fragment [Rh(PiBu3)2]+ with aryl bromides: aryl-Br and phosphine ligand C-H activation.

Chemistry (Weinheim an der Bergstrasse, Germany)

Townsend NS, Chaplin AB, Abu Naser M, Thompson AL, Rees NH, Macgregor SA, Weller AS.
PMID: 20572181
Chemistry. 2010 Jul 26;16(28):8376-89. doi: 10.1002/chem.201000554.

Oxidative addition of aryl bromides to 12-electron [Rh(PiBu(3))(2)][BAr(F)(4)] (Ar(F)=3,5-(CF(3))(2)C(6)H(3)) forms a variety of products. With p-tolyl bromides, Rh(III) dimeric complexes result [Rh(PiBu(3))(2)(o/p-MeC(6)H(4))(mu-Br)](2)[BAr(F)(4)](2). Similarly, reaction with p-ClC(6)H(4)Br gives [Rh(PiBu(3))(2)(p-ClC(6)H(4))(mu-Br)](2)[BAr(F)(4)](2). In contrast, the use of o-BrC(6)H(4)Me leads to a product in...

Catching the first oligomerization event in the catalytic formation of polyaminoboranes: H3B·NMeHBH2·NMeH2 bound to iridium.

Journal of the American Chemical Society

Johnson HC, Robertson AP, Chaplin AB, Sewell LJ, Thompson AL, Haddow MF, Manners I, Weller AS.
PMID: 21699193
J Am Chem Soc. 2011 Jul 27;133(29):11076-9. doi: 10.1021/ja2040738. Epub 2011 Jul 01.

We report the first insertion step at a metal center for the catalytic dehydropolymerization of H(3)B·NMeH(2) to form the simplest oligomeric species, H(3)B·NMeHBH(2)·NMeH(2), by the addition of 1 equiv of H(3)B·NMeH(2) to [Ir(PCy(3))(2)(H)(2)(η(2)-H(3)B·NMeH(2))][BAr(F)(4)] to give [Ir(PCy(3))(2)(H)(2)(η(2)-H(3)B·NMeHBH(2)·NMeH(2))][BAr(F)(4)]. This reaction is...

Retropharyngeal calcific tendonitis mimics a retropharyngeal abscess.

Case reports in otolaryngology

Pollak N, Wexler S.
PMID: 23956905
Case Rep Otolaryngol. 2013;2013:818561. doi: 10.1155/2013/818561. Epub 2013 Jul 15.

Retropharyngeal calcific tendonitis (RCT) is an uncommon, self-limiting condition that is often omitted in the differential diagnosis of a retropharyngeal fluid collection. This condition mimics a retropharyngeal abscess and should be considered when evaluating a fluid collection in the...

Showing 1 to 12 of 257 entries