Publications

APPELS, R, DENNIS, ES, SMYTH, DR & PEACOCK, WJ 1981, '2 REPEATED DNA-SEQUENCES FROM THE HETEROCHROMATIC REGIONS OF RYE (SECALE-CEREALE) CHROMOSOMES', CHROMOSOMA, vol. 84, no. 2, pp. 265-277.
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Bennett, AF & Leslie, LM 1981, 'Statistical Correction of the Australian Region primitive Equation Model', Monthly Weather Review, vol. 109, no. 3, pp. 453-462.
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Botten, IC, Craig, MS, McPhedran, RC, Adams, JL & Andrewartha, JR 1981, 'The Dielectric Lamellar Diffraction Grating', Optica Acta: International Journal of Optics, vol. 28, no. 3, pp. 413-428.
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Botten, LC, Craig, MS & McPhedran, RC 1981, 'Highly Conducting Lamellar Diffraction Gratings', Optica Acta: International Journal of Optics, vol. 28, no. 8, pp. 1103-1106.
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Botten, LC, Craig, MS, McPhedran, RC, Adams, JL & Andrewartha, JR 1981, 'The Finitely Conducting Lamellar Diffraction Grating', Optica Acta: International Journal of Optics, vol. 28, no. 8, pp. 1087-1102.
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Briles, DE & Carroll, RJ 1981, 'A simple method for estimating the probable numbers of different antibodies by examining the repeat frequencies of sequences or isoelectric focusing patterns', Molecular Immunology, vol. 18, no. 1, pp. 29-38.
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CARROLL, RJ & RUPPERT, D 1981, 'On prediction and the power transformation family', Biometrika, vol. 68, no. 3, pp. 609-615.
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CHAPPELL, PJ, FISCHER, G, REIMERS, JR & ROSS, IG 1981, 'ELECTRONIC-SPECTRUM OF 1,5-NAPHTHYRIDINE - THEORETICAL TREATMENT OF VIBRONIC COUPLING', JOURNAL OF MOLECULAR SPECTROSCOPY, vol. 87, no. 2, pp. 316-330.
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Cheung, HS & Ryan, LM 1981, 'A method of determining DNA and chondrocyte content of articular cartilage', Analytical Biochemistry, vol. 116, no. 1, pp. 93-97.
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Coombe, RG & George, AM 1981, 'Enzymic determination of gentamicin in human plasma', Australian Journal of Pharmaceutical Sciences, vol. 10, no. 4, pp. 98-100.

Coombe, RG & George, AM 1981, 'Mass spectral and 13C N.M.R. analyses of aminoglycoside aminocyclitols modified by enzyme-catalysed reactions', Australian Journal of Chemistry, vol. 34, no. 3, pp. 547-547.
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Chemical and physicalanalytical methods, including mass spectrometry and 13C n.m.r., havebeen applied to the evaluation of the structures of the inactivated products ofenzyme-mediated transferase reactions. Evidence is presented for the assignmentof structures for the products of three enzymic reaction mechanisms: O-adenylylation, O-phosphorylation and N-acetylation.

Coombe, RG & George, AM 1981, 'New plasmid-mediated aminoglycoside adenylyltransferase of broad substrate range that adenylylates amikacin', Antimicrobial Agents and Chemotherapy, vol. 20, no. 1, pp. 75-80.
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The same aminoglycoside 2'-adenylyltransferase was isolated from four gram-negative species which were among a random group of gentamicin-resistant isolates from the same hospital. The enzyme was partially purified from a crude extract which also contained a second modifying enzyme identified as APH(3')-I. The substrate range of the new aminoglycoside 2'-adenylyltransferase included the newer aminoglycosides sisomicin and amikacin, but showed much-reduced activity against gentamicins C2 and Cla. The pH optimum was 7.8 to 8.0 for every substrate, and the molecular weight of the enzyme molecule was estimated at approximately 29,000. Genetic experiments clearly established that both enzymes were expressed by a conjugative plasmid.

DENNIS, ES, PEACOCK, WJ, WHITE, MJD, APPELS, R & CONTRERAS, N 1981, 'CYTOGENETICS OF THE PARTHENOGENETIC GRASSHOPPER WARRAMABA-VIRGO AND ITS BISEXUAL RELATIVES .7. EVIDENCE FROM REPEATED DNA-SEQUENCES FOR A DUAL ORIGIN OF W-VIRGO', CHROMOSOMA, vol. 82, no. 4, pp. 453-469.
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FISCHER, G, REIMERS, JR & ROSS, IG 1981, 'CNDO-CALCULATION OF 2ND-ORDER VIBRONIC COUPLING IN THE 1B2U-1A1G TRANSITION OF BENZENE', CHEMICAL PHYSICS, vol. 62, no. 1-2, pp. 187-193.
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Hooton, TM, Haley, RW, Culver, DH, White, JW, Morgan, WM & Carroll, RJ 1981, 'The joint associations of multiple risk factors with the occurrence of nosocomial infection', The American Journal of Medicine, vol. 70, no. 4, pp. 960-970.
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Leitch, EC 1981, 'Quartz-albite rocks of ash-fall origin', Geological Magazine, vol. 118, no. 1, pp. 83-88.
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SummaryThin beds composed mainly of quartz and albite occur interstratified with epiclastic rocks in a thick marine Early Permian sequence in the eastern part of the New England Fold Belt, eastern Australia. The sequence has suffered very low grade regional metamorphism and the quartz-albite rocks retain few primary textural features. A pyroclastic origin for these rocks is argued on the basis of inherited sedimentary characters and their distinctive mineralogical and chemical composition, and it is suggested that they accumulated as glass-rich ash-fall tuffs. The present chemical composition of the quartz-albite rocks suggests the tuffs may have initially altered to zeolitic assemblages. Similar quartz-albite rocks, perhaps misidentified as chert or siliceous siltstone, probably occur in other low-grade metamorphic sequences, the progenitors of which accumulated adjacent to active magmatic arcs.

Leslie, LM, Mills, GA & Gauntlett, DJ 1981, 'The impact of FGGE data coverage and improved numerical techniques in numerical weather prediction in the Australian region', Quarterly Journal of the Royal Meteorological Society, vol. 107, no. 453, pp. 629-642.
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This paper describes the results from an extensive series of experiments aimed at enhancing the skill of the Australian Numerical Meteorology Research Centre (ANMRC) limited area analysis/forecast system. Significant increases in model performance were achieved, in the sense of reducing S1, skill scores and in forecasting precipitation, in three ways: (1) improved data base since the beginning of FGGE; (2) the application of a more realistic lateral boundary specification, particularly nesting within a hemispheric forecast model; and (3) the reduction of truncation errors by either decreasing the grid spacing or (more efficiently) employing higher order difference operators. The improvement in skill is sufficiently large to suggest that when implemented operationally the quality of routine prediction of synoptic scale patterns over the Australian region will be considerably improved. Copyright © 1981 Royal Meteorological Society

LILLEY, RM & LARKUM, AWD 1981, 'ISOLATION OF FUNCTIONALLY INTACT RHODOPLASTS FROM GRIFFITHSIA-MONILIS (CERAMIACEAE, RHODOPHYTA)', PLANT PHYSIOLOGY, vol. 67, no. 1, pp. 5-8.
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A procedure is described for isolating photosynthetically active rhodoplasts ("red algal chloroplasts") from the marine alga Griffithsia monilis. The rhodoplasts exhibited rates of CO(2) fixation and CO(2)-dependent O(2) evolution in the order of 200 micromoles per milligram chlorophyll a per hour when illuminated with red or green light and were approximately 80% intact. The response of the rate of photosynthesis to the inorganic phosphate and pyrophosphate concentrations in the medium was qualitatively similar to that previously reported for spinach chloroplasts. Osmotically shocked rhodoplasts evolved O(2) from ferricyanide in red, but not in green, light and were completely uncoupled. Rhodoplast envelope rupture appeared to be accompanied by phycobilisome loss from the thylakoids.

Logan, P 1981, 'Language and physics', Physics Education, vol. 16, no. 2, pp. 74-77.
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In a previous article (Logan 1978) I discussed various teaching and learning difficulties in the third world. An earlier article discussed specific educational problems in Papua New Guinea (Logan 1976). This article, a sequel to those two, is concerned especially with educational problems that may arise due to language. The article was prompted by my undertaking a course in crosscultural education and by correspondence arising out of my previous article in this magazine. In fact it has been suggested that the whole subject requires much thought, and in this article I merely report others thoughts to generate discussion and possibly initiate some research activity.

MAY, V & LARKUM, AWD 1981, 'A subtidal transect in Jervis Bay, New South Wales', Austral Ecology, vol. 6, no. 4, pp. 439-457.
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Long‐term variations in the intertidal algal flora of the entire rock platform at Plantation Point, Jervis Bay, are described by May (1981). The study now reported presents similar long‐term changes in the flora of a subtidal region of the same headland, observed within the same period of time. This first detailed report of subtidal macroalgal communities in New South Wales describes a several‐year study of the benthic communities along a transect in the upper sublittoral region of a rocky headland at Plantation Point, Jervis Bay. Eighty‐nine species of algae were recorded, five of which were previously unrecorded for New South Wales. The area studied is dominated by the large brown algae Ecklonia radiata and Phyllospora comosa, large areas of which were cleared periodically by storms. Turf, shade and crustose coralline algal communities also were present. Storms, seasonal variation and longer term changes all affected the abundance and distribution of the algal species growing along the transect and hence the floristic composition of the area. Copyright © 1981, Wiley Blackwell. All rights reserved

PEACOCK, WJ, DENNIS, ES, ELIZUR, A & CALABY, JH 1981, 'REPEATED DNA-SEQUENCES AND KANGAROO PHYLOGENY', AUSTRALIAN JOURNAL OF BIOLOGICAL SCIENCES, vol. 34, no. 3, pp. 325-340.
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PEACOCK, WJ, DENNIS, ES, RHOADES, MM & PRYOR, AJ 1981, 'HIGHLY REPEATED DNA-SEQUENCE LIMITED TO KNOB HETEROCHROMATIN IN MAIZE', PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-BIOLOGICAL SCIENCES, vol. 78, no. 7, pp. 4490-4494.
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PEREZ, DJ, TAYLOR, IW, MILTHORPE, BK, MCGOVERN, VJ & TATTERSALL, MHN 1981, 'IDENTIFICATION AND QUANTITATION OF TUMOR-CELLS IN CELL-SUSPENSIONS - A COMPARISON OF CYTOLOGY AND FLOW-CYTOMETRY', BRITISH JOURNAL OF CANCER, vol. 43, no. 4, pp. 526-531.
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FLOW-CYTOMETRIC MEASUREMENTS of cell DNA content or narrow-angle light scatter (NLS) can provide a basis for discriminating neoplastic from non-neoplastic cells by identifying differences in DNA content and cell size. Flow-cytometric analyses of many human neoplasms have been previously reported (Barlogie et at., 977, 1978) showing aneuploidy in 80-90% of non-lymphoid solid tumours and 40- 60% of non-Hodgkin's lymphomas. In leukaemias, and multiple myelomas with and aneuploid tumour clone, the percentage of neoplastic cells in marrow or blood determined by DNA content correlates well with quantitation based on histologic smears (Barlogie et al., 1977; Latreille et al., 1980; Andreeff et al., 1980) but such a comparison has not been made on cell suspensions from solid tumours.

PRYOR, A, GERLACH, W, DENNIS, E & PEACOCK, W 1981, 'CDNA CLONES SPECIFYING MAIZE ALCOHOL-DEHYDROGENASE', PROCEEDINGS OF THE AUSTRALIAN BIOCHEMICAL SOCIETY, vol. 14, pp. 105-105.

SMITH, GB & IGNATIEV, A 1981, 'BLACK CHROMIUM-MOLYBDENUM - A NEW STABLE SOLAR-ABSORBER', SOLAR ENERGY MATERIALS, vol. 4, no. 2, pp. 119-133.
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ZAJAC, G, IGNATIEV, A & SMITH, GB 1981, 'PHOTODESORPTION STUDIES OF CO AND CO2 FROM THE SOLAR-ABSORBER BLACK CHROME', JOURNAL OF VACUUM SCIENCE & TECHNOLOGY, vol. 18, no. 2, pp. 379-381.
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Ahmad, QA & Logan, PF 1970, 'Solar energy utilisation in Papua New Guinea', Proceedings of the Symposium on Solar Science and Technology, United Nations, Thailand, pp. 245-254.