196,648 research outputs found

    Paralastor diadema Rayment 1954

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    diadema Rayment Paralastor diadema Rayment 1954a: 16, figs. 1–17, female, nest—[Vic.:] “Gunbower Island … Sandringham” (type depository unknown).— Cardale 1985: 186 (cat.).Published as part of Carpenter, James M. & Brown, Graham R., 2021, Catalogue of the Australian Eumeninae (Hymenoptera: Vespidae), pp. 1-68 in Zootaxa 4919 (1) on page 41, DOI: 10.11646/zootaxa.4919.1.1, http://zenodo.org/record/447337

    2-dimensional magnetization exchange spectroscopy of Anabaena 7120 ferredoxin- Nuclear Overhauser effect and electron self-exchange cross peaks from amino acid residues surrounding the 2Fe-2S-star cluster

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    Hyperfine H-1 NMR signals of the 2Fe-2S* vegetative ferredoxin from Anabaena 7120 have been studied by two-dimensional (2D) magnetization exchange spectroscopy. The rapid longitudinal relaxation rates of these signals required the use of very short nuclear Overhauser effect (NOE) mixing times (0.5-20 ms). The resulting pattern of NOE cross-relaxation peaks when combined with previous 1D NOE results [Dugad, L. B., La Mar, G. N., Banci, L., & Bertini, I. (1990) Biochemistry 29, 2263-2271] led to elucidation of the carbon-bound proton spin systems from each of the four cysteines ligated to the 2Fe-2S* cluster in the reduced ferredoxin. Additional NOE cross peaks were observed that provide information about other amino acid residues that interact with the iron-sulfur cluster. NOE cross peaks were assigned tentatively to Leu27, Arg42, and Ala43 on the basis of the X-ray coordinates of oxidized Anabaena 7120 ferredoxin [Rypniewski, W. R., Breiter, D. R., Benning, M. M., Wesenberg, G., Oh, B.-H., Markley, J. L., Rayment, I., & Holden, H. M. (1991) Biochemistry 30, 4126-4131]. Three chemical exchange cross peaks were detected in magnetization exchange spectra of half-reduced ferredoxin and assigned to the H-1-alpha protons of Cys49 and Cys79 [both of whose sulfur atoms are ligated to Fe(III)] and Arg42 (whose amide nitrogen is hydrogen-bonded to one of the inorganic sulfurs of the 2Fe-2S* cluster). The chemical exchange cross peaks provide a means of extending assignments in the spectrum of reduced ferredoxin to assignments in the spectrum of the oxidized protein. Our results suggest that 2D magnetization exchange spectroscopy employing short mixing times will be useful for the assignment and characterization of hyperfine H-1 peaks in a variety of paramagnetic proteins

    A study in sixteenth-century performance and artistic networks: British Library, Additional Manuscript 15233

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    This thesis is a modern spelling edition of unedited poems and song lyrics from British Library, Additional Manuscript 15233, and a cultural and sociological study of the collection.The manuscript contains music, poetry and fragments of drama attributed to John Redford, Organist, Almoner and Master of the Choristers at St. Paul's Cathedral c.1534–1547, as well as work by at least six other mid Tudor poets. The manuscript has systematically been cited as a ‘St. Paul’s miscellany’(because the main body of work within it is attributed to Redford), and despite its varied content, has been considered almost solely from the perspective of Early Modern drama. This thesis considers the manuscript anew: as a whole, rather than in parts divided along disciplinary lines, as an example of material culture, and separately from the well-researched centres of St. Paul’s and John Redford.Chapters one and two comprise a study of the physical makeup of the manuscript, demonstrating new evidence for its date, and suggesting that it is the product of an artistic network centred on the London parish church of St. Mary-at-Hill.Chapters three and four comprise new studies of the content of the manuscript. Chapter three examines The Play of Wit and Science, with particular attention to its bibliographical status, and its engagement with contemporary artistic debate in performance. It also demonstrates its importance as a source for two later sixteenth-century plays. Chapter four is a case study of a single poem from the manuscript. This demonstrates the overall significance of MS 15233 as a source for verse and song, uncovers a network of printers involved in the transmission of its contents, and calls into question the long-standing theory that the Elizabethan poet George Gascoigne was a contributor to the manuscript.The final chapter of the thesis comprises a modern spelling edition of the poems and song lyrics from MS 15233 with individual commentaries and textual apparatus. This thesis demonstrates that to examine MS 15233 purely in relation to St. Paul’s Cathedral and John Redford, and from any one perspective, is reductive, and that these approaches have caused evidence to be skewed, and scholars to miss more complex possibilities regarding its compilation and provenance

    A national food cadmium database and development of a national cadmium budget for Australia

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    Extended abstract. Presented by the National Cadmium Management Committee.Mike McLaughlin, Paul Brent, Nick Drew, Ed Klim, Michael StJ Warne, Paul Milham, George Rayment, Bruce Shelley and Leigh Sparro

    Dr. Duane M. Jackson, Morehouse College, July 2011

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    This video is a conversation with Dr. Duane M. Jackson. Dr. Jackson talks about his paper, "Recall and the Serial Position Effect: The Role of Primacy and Recency on Accounting Students' Performance." Jackie Daniel, AUC Woodruff Library, is the interviewer

    Information, education and regulation, an industry perspective

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    Extended abstract. Presented by the National Cadmium Management Committee.Nick Drew, Paul Brent, Ed Klim, Mike McLaughlin, Paul Milham, George Rayment, Bruce Shelley, Leigh Sparrow and Michael StJ Warn

    Quality of total plant cadmium analysis in Australia and overseas

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    Extended abstract. Presented by the National Cadmium Management Committee.George Rayment, Paul Brent, Nick Drew, Ed Klim, Mike McLaughlin, Paul Milham, Bruce Shelley, Leigh Sparrow and Michael StJ Warn

    "Reflections on the subject of Emigration from Europe with a view to Settlement in the United States" By M. Carey.

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    "Reflections on the subject of Emigration from Europe with a view to Settlement in the United States: containing bried sketches of the moral and political character of those states. By M. Carey, member of the American philosophical, and of the American Antiquarian Society, and author of The Olive Branch, Cindiciae Hibernicae, essays on banking, on political economy, and on internal improvement. To which are now added the English editor's comments on the subject; together with Important Advice to Emigrants, and Cautions Against Impositions Practiced in the Outports
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