7,747 research outputs found
Cardiac antibodies in dilated cardiomyopathy: their lack of association with clinical and diagnostic markers of enteroviral infection
Book Discussion : PJ Powers
The UJ Campus Health Services and the Student Affairs Division in partnership with the UJ Library invite you to meet PJ Powers (Thandeka) the co-author of the book HERE I AM About the book: Here I Am, written with Marianne Thamm, is an intimate and hilarious account of the life and times of one of this country’s most recognisable and enduring performers. From the dizzying heights of international stardom to the dark depths of her struggle with alcohol, this is a must-read to explore the heady mix of politics and music of the time. More than just a story about the personal journey of one of South Africa’s most beloved music icons, this extraordinary memoir of PJ Powers – or Thandeka, as she was affectionately renamed by Soweto crowds – is set against the turbulent backdrop of South Africa’s recent political history. It features a gallery of political leaders and international celebrities, including the likes of Nelson Mandela, Graça Machel, Chris Hani, Joaquim Chissano, Queen Elizabeth II, Brenda Fassie, Sharon Stone and Robert De Niro. Facilitator: Prof Alban Burke, Director – PsyCad, University of Johannesburg PJ Powers will also perform a few songs on the day. Date: 27 August 2015 Time: 16:30 for 17:00 Venue: Auditorium (6th Floor), APK Library, University of Johannesburg (corner Kingsway and University Road, Auckland Park) RSVP: By Wednesday, 26 August 2015 to Theodorah Modise on [email protected] / 011 559 226
Book Discussion : PJ Powers
The UJ Campus Health Services and the Student Affairs Division in partnership with the UJ Library invite you to meet PJ Powers (Thandeka) the co-author of the book HERE I AM About the book: Here I Am, written with Marianne Thamm, is an intimate and hilarious account of the life and times of one of this country’s most recognisable and enduring performers. From the dizzying heights of international stardom to the dark depths of her struggle with alcohol, this is a must-read to explore the heady mix of politics and music of the time. More than just a story about the personal journey of one of South Africa’s most beloved music icons, this extraordinary memoir of PJ Powers – or Thandeka, as she was affectionately renamed by Soweto crowds – is set against the turbulent backdrop of South Africa’s recent political history. It features a gallery of political leaders and international celebrities, including the likes of Nelson Mandela, Graça Machel, Chris Hani, Joaquim Chissano, Queen Elizabeth II, Brenda Fassie, Sharon Stone and Robert De Niro. Facilitator: Prof Alban Burke, Director – PsyCad, University of Johannesburg PJ Powers will also perform a few songs on the day. Date: 27 August 2015 Time: 16:30 for 17:00 Venue: Auditorium (6th Floor), APK Library, University of Johannesburg (corner Kingsway and University Road, Auckland Park) RSVP: By Wednesday, 26 August 2015 to Theodorah Modise on [email protected] / 011 559 226
The synthesis, characterization and molecular structures of two mixed metal octahedral carbido clusters, Ru5RhC(CO)14(η5-C5Me5) and Ru5RhC(CO)9(η5-C5Me5)(η5-C5H5)2
Ionic coupling between the dianionic ruthenium cluster [Ru5C(CO14]2- and the dicationic rhodium species [Rh(C5 Me5)(MeCN)3]2+ in refluxing CH2Cl2 yields the hexanuclear mixed metal carbido cluster Ru5RhC(CO)14(eta5-C5Me5) (1). Activation of 1 towards reaction with C5H6 or C6H8 by trimethylamine-N-oxide (Me3NO) results in the formation of Ru5RhC (CO)9(eta5-C5Me5)(eta5-C5H5)2 (2) and Ru5RhC(CO)11(eta5-C5Me5)(mu3-eta2:eta2:eta2-C6H6) (3) respectively. Complexes 1 and 2 have been structurally characterized by X-ray diffraction
THE SYNTHESIS, STRUCTURAL CHARACTERIZATION AND VARIABLE-TEMPERATURE H-1-NMR STUDY OF THE BIS-TOLUENE HEXARUTHENIUM CARBIDOCARBONYL CLUSTER [RU6C(CO)(11)(ETA(6)-C(6)H(5)ME)(MU(3)-ETA(2)ETA(2)ETA(2)-C(6)H(5)ME)]
The synthesis, chemical characterisation and single crystal X-ray structural study of the bis-toluene hexaruthenium carbidocarbonyl cluster [Ru6C(CO)(1)1(eta(6)-C(6)H(5)Me)(mu(3)-eta(2):eta(2):eta(2)-C(6)H(5)Me)] is reported. A variable temperature H-1 n.m.r. study reveals that in solution the complex exists in two isomeric forms, one of them, that observed in the solid state and the solid state and the other the trans-[Ru6C(CO)(1)1(eta(6)-C(6)H(5)Me)(2)] isomer. Interchange of the toluene ligand between the mu(3)-eta(2):eta(2):eta(2) and eta(6) co-ordination mode if confirmed by deuterum labelling experiments involving C6D5CD3
Technologically mediated learning: The future of training in Australia
Hosie, PJ ORCiD: 0000-0003-2585-024XFollowing a review of the economic imperatives currently facing Australia,
the future directions training will take are examined. Related training issues are considered; such as multiskilling, on-the-job training and legal issues. The author predicts that technologically mediated learning (TML),
especially interactive multimedia, will gain ascendancy as the predominant mode of delivery for training
SYNTHESIS, MOLECULAR AND CRYSTAL-STRUCTURES OF ARENE DERIVATIVES OF [RU6C(CO)17]
The complexes [Ru6C(CO)14(eta6-C6H4Me2-1,3)] 1, [Ru6C(CO)14(eta6CH3Et3-1,3,5)] 2 and [Ru6C-(CO)14(mu3-eta2:eta2:eta2-C16H16)] 3 have been prepared from the reaction of [Ru3(CO)12] and the appropriate arene. The molecular and crystal structures of the three derivatives have been established by single-crystal X-ray diffraction studies. Complexes 1 and 2 carry the arene fragment bound in a terminal fashion. Crystalline 1 contains two independent molecules showing different rotameric conformations of the xylene ligands. The [2.2]paracyclophane complex 3 provides the first example of a mono(arene) derivative of [Ru6C(CO)17] to contain the mu3-eta2:eta2:eta2-bonding mode. The molecular organization in the crystal structures of 1, 2 and 3 was also determined
HEXANUCLEAR ARENE CLUSTERS OF RUTHENIUM
The hexanuclear cluster (Ru6C(CO)14(eta6-arene)] 1 (arene = C6H6, C6H5Me, C6H4Me2-1,3 or C6H3Me3-1,3,5) reacts with Me3NO-CH2Cl2 in the presence of cyclohexa-1,3-diene or cyclohexa-1,4-diene to yield compound [Ru6C(CO)12(eta6-arene)(mu-eta2:eta2-C6H8)] 2 in which the diene spans one metal edge of the octahedral cluster unit. Further treatment of 2 with Me3NO-CH2Cl2 affords the bis(arene) derivative [Ru6C(CO)11(eta6-arene)(C6H6)]. Onthe basisof spectroscopic data and single-crystal X-raydata itappears that these bis(arene) derivatives exist in two isomeric forms, viz. [Ru6C(CO)11(eta6-arene)(mu-eta2:eta2:eta2-C6H6)] 3 and (Ru6C(CO)11(eta6-arene)(eta6-C6H6)] 4. Evidence that compound 3 isformed initially,followed by isomerisation to 4 is presented. The structures of [Ru6C(CO)11(eta6-C6H5Me)(mu3-eta2:eta2:eta2-C6H6)] 3b and [Ru6C(CO)11(eta6-C6H4Me2-1,3)(mu3-eta2:eta2:eta2-C6H6)] 3c have been determined by single-crystal X-ray diffraction. Compound 3b is orthorhombic. space group Pnma, a = 9.035(5), b = 14.796(2), c = 20.534(4) angstrom, Z = 4, 1770 unique observed reflections [I > 2sigma(I)], R = 0.020; 3c is monoclinic, space group P2(1)/n, a = 18.27(2), b = 9.729(2), c = 34.39(3) angstrom, beta = 94.94(6)-degrees, Z = 8, 7833 unique observed reflections [I > 2.0sigma(I)], R = 0.058, R' = 0.062
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