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- Faculty of Engineering and Information Sciences - Papers: Part A (24)
- Faculty of Commerce - Papers (Archive) (22)
- Faculty of Social Sciences - Papers (Archive) (18)
- Faculty of Science, Medicine and Health - Papers: part A (13)
- Senior Deputy Vice-Chancellor and Deputy Vice-Chancellor (Education) - Papers (13)
Articles 31 - 60 of 118
Full-Text Articles in Social and Behavioral Sciences
Single Nucleotide Primer Extension (Snupe) Analysis Of The G6pd Gene In Somatic Cells And Oocytes Of A Kangaroo (Macropus Robustus), Debbie Watson, Anita S. Jacombs, David A. Loebel, Edward S. Robinson, Peter G. Johnston
Single Nucleotide Primer Extension (Snupe) Analysis Of The G6pd Gene In Somatic Cells And Oocytes Of A Kangaroo (Macropus Robustus), Debbie Watson, Anita S. Jacombs, David A. Loebel, Edward S. Robinson, Peter G. Johnston
Faculty of Science, Medicine and Health - Papers: part A
cDNA sequence analysis of the X-linked glucose-6-phosphate dehydrogenase (G6PD) gene has shown a base difference between two subspecies of the kangaroo, Macropus robustus robustus (wallaroo) and M. r. erubescens (euro). A thymine residue in the wallaroo at position 358 in exon 5 has been replaced by a cytosine residue in the euro, which accounts for the previously reported electrophoretic difference between the two subspecies. This base difference allowed use of the Single Nucleotide Primer Extension (SNuPE) technique to study allele-specific expression of G6PD at the transcriptional level. We began by examining G6PD expression in somatic cells and observed complete paternal …
A New Early Devonian Operculate Tetracoral Genus From Eastern Australia, Anthony J. Wright
A New Early Devonian Operculate Tetracoral Genus From Eastern Australia, Anthony J. Wright
Faculty of Science, Medicine and Health - Papers: part A
Chakeola, a solitary latest Lochkovian to late Emsian (Early Devonian) new genus of the operculate tetracoral family Calceolidae, is characterised by: opercular septa that are present from adjacent to the median septum to the lateral extremities of the operculum; a lack of rootlets on the counter face of the corallite; a weak counter opercular face in mature specimens; and eccentric growth increments on the external opercular surface. The type species, C. johnsoni new species, is described from latest Lochkovian pesavis Zone), early Pragian (suleatus Zone) and late Pragian (pireneae Zone) strata of the Garra Formation, Wellington, NSW. C. whitehollsei new …
Vertical Profiles Of Nitrous Oxide Isotopomer Fractionation Measured In The Stratosphere, D W. T Griffith, Geoffrey Toon, Bhaswar Sen, Jean-Francois Blavier, Robert A. Toth
Vertical Profiles Of Nitrous Oxide Isotopomer Fractionation Measured In The Stratosphere, D W. T Griffith, Geoffrey Toon, Bhaswar Sen, Jean-Francois Blavier, Robert A. Toth
Faculty of Science, Medicine and Health - Papers: part A
We have measured the vertical profiles of several isotopomers of nitrous oxide, N2O, in the stratosphere by balloon-borne infrared remote sensing between 15 and 35 km. In particular we distinguish the individual profiles and relative enrichments of the positional isotopomers 15N14N16O and 14N15N16O for the first time. We find a distinct and reproducible relative enrichment of the isotopomers which is in general agreement with measured photolysis rates in the laboratory and theoretical predictions. The results confirm photolysis as the dominant stratospheric loss process for N2O and …
Role Of Phosphoglucomutase Of Bordetella Bronchiseptica In Lipopolysaccharide Biosynthesis And Virulence, Nicholas P. West, Heidrun Jungnitz, John Fitter, Jason D. Mcarthur, Carlos Guzman, Mark J. Walker
Role Of Phosphoglucomutase Of Bordetella Bronchiseptica In Lipopolysaccharide Biosynthesis And Virulence, Nicholas P. West, Heidrun Jungnitz, John Fitter, Jason D. Mcarthur, Carlos Guzman, Mark J. Walker
Faculty of Science, Medicine and Health - Papers: part A
The phosphoglucomutase (PGM)-encoding gene of Bordetella bronchiseptica is required for lipopolysaccharide (LPS) biosynthesis. An insertion mutant of the wild-type B. bronchiseptica strain BB7865 which disrupted LPS biosynthesis was created and characterized (BB7865pgm). Genetic analysis of the mutated gene showed it shares high identity with PGM genes of various bacterial species and forms part of an operon which also encompasses the gene encoding phosphoglucose isomerase. Functional assays for PGM revealed that enzyme activity is expressed in bothbvg-positive and bvg-negative strains ofB. bronchiseptica and is substantially reduced in BB7865pgm. Complementation of the mutated PGM …
Conference Report: Dietary Guidelines For A New Millennium, Peter R.C Howe, Paul Nestel
Conference Report: Dietary Guidelines For A New Millennium, Peter R.C Howe, Paul Nestel
Faculty of Science, Medicine and Health - Papers: part A
The US dietary guidelines are being updated, new dietary guidelines for older Australians were released last year, and Australia and New Zealand are jointly reviewing recommendations for nutrient intakes. Who needs them? Are they merely bureaucratic exercises or should we be taking them seriously? If so, how should they be managed for maximum benefit?
Clusterin Protein Diversity In The Primate Eye, Paul Wong, Bruce A. Pfeffer, Steven L. Bernstein, Michelle L. Chambers, Gerald J. Chader, Zahra F. Zakeri, Yan-Q Wu, Mark Wilson, S Patricia Becerra
Clusterin Protein Diversity In The Primate Eye, Paul Wong, Bruce A. Pfeffer, Steven L. Bernstein, Michelle L. Chambers, Gerald J. Chader, Zahra F. Zakeri, Yan-Q Wu, Mark Wilson, S Patricia Becerra
Faculty of Science, Medicine and Health - Papers: part A
Purpose: The clusterin gene encodes a multi-functional protein that has been identified in different tissues, including a number of different eye tissues, primarily in the mouse and to a much lesser extent in humans. Clusterin has been implicated in a number of cellular processes such as lipid transport, membrane integrity, apoptosis, and neurodegeneration, all of which could be important to the biology of the eye. In the current communication, we provide data that confirms the expression of clusterin in a number of different human eye tissues and establishes the expression profile of this gene in monkey derived eye tissues. The …
The Carletonville-Mothusimpilo Project: Limiting Transmission Of Hiv Through Community-Based Interventions, Brian G. Williams, Catherine L. Mac Phail, Catherine Campbell, D Taljaard, Eleanor Gouws, S Moema, Z Mzaidume, B Rasego
The Carletonville-Mothusimpilo Project: Limiting Transmission Of Hiv Through Community-Based Interventions, Brian G. Williams, Catherine L. Mac Phail, Catherine Campbell, D Taljaard, Eleanor Gouws, S Moema, Z Mzaidume, B Rasego
Faculty of Social Sciences - Papers (Archive)
For all of the last century, the economy of South Africa, and so also of its neighbouring countries, has depended on migrant labour from rural areas. This is particularly so for the mining industry, especially hard-rock mining, and this has led to a system of 'oscillating' migration whereby men from rural areas come to live and work on the mines, without their wives or families, but return home regularly. This pattern of oscillating migration is an important determinant of health and, especially at the start of the epidemic, contributed to the spread of HIV in the region. In this paper …
Visually Directed Walking To Briefly Glimpsed Targets Is Not Biased Toward Fixation Location, John W. Philbeck
Visually Directed Walking To Briefly Glimpsed Targets Is Not Biased Toward Fixation Location, John W. Philbeck
Faculty of Social Sciences - Papers (Archive)
When observers indicate the magnitude of a previously viewed spatial extent by walking without vision to each endpoint, there is little evidence of the perceptual collapse in depth associated with some other methods (eg visual matching). One explanation is that both walking and matching are perceptually mediated, but that the perceived layout is task-dependent. In this view, perceived depth beyond 2 - 3 m is typically distorted by an equidistance effect, whereby the egocentric distances of nonfixated portions of the depth interval are perceptually pulled toward the fixated point. Action-based responses, however, recruit processes that enhance perceptual accuracy as the …
Odyssey Renewed: Towards A New Aesthetics Of Video Gaming, Jason Wilson
Odyssey Renewed: Towards A New Aesthetics Of Video Gaming, Jason Wilson
Faculty of Social Sciences - Papers (Archive)
The first home video-gaming console, the Magnavox Odyssey, was released in 1972. Its limited graphical capacities led Magnavox to ship it with a number of plastic overlays for the user's television that would admit a little variety into the then relatively crude gaming experience, limited to a built-in, Pong-like game. Computer and video games have come a long way since then, but it often seems as if critical approaches to gaming have continued shuffling through these plastic films, taking transformations of the screen, or on-screen events, for the whole of the gaming experience. It seems to me that reflection has …
Online Support For Preservice Mathematics Teachers In Schools, Anthony Herrington, Janice Herrington, Arshad Omari
Online Support For Preservice Mathematics Teachers In Schools, Anthony Herrington, Janice Herrington, Arshad Omari
Faculty of Social Sciences - Papers (Archive)
This paper describes the development of a web-based resource designed to support preservice mathematics teachers on school practice. The development of the site resulted in part from a needs analysis conducted with a focus group of students. The purpose of the focus group discussion was to gain from the students their ideas about the type of support that would be most helpful to them as they prepare to teach mathematics lessons, and how the university might be able to assist in these sometimes prolonged periods in school where they are without their traditional support structures. As a result of these …
Learning To Assess School Mathematics: Context, Multimedia And Transfer, Janice Herrington, Anthony Herrington, Len Sparrow
Learning To Assess School Mathematics: Context, Multimedia And Transfer, Janice Herrington, Anthony Herrington, Len Sparrow
Faculty of Social Sciences - Papers (Archive)
The study set out to explore the use of a multimedia program on assessment strategies within a preservice teacher mathematics method unit, and to investigate the extent of transfer to classroom practice. A multimedia program was designed to incorporate characteristics of 'situated' learning environments. Preservice teachers used the program in their mathematics method classes, and they and their supervising teachers were interviewed regarding their use of assessment strategies while on professional practice. Results show that all students used a variety of assessment strategies, and according to the beliefs of the students themselves, were influenced in their use of strategies by …
Preservice Teachers' Understanding And Representation Of Equality Of Fractions In A Javabars Environment, Mohan Chinnappan
Preservice Teachers' Understanding And Representation Of Equality Of Fractions In A Javabars Environment, Mohan Chinnappan
Faculty of Social Sciences - Papers (Archive)
In recent years, considerable research effort has been invested in identifying the nature of the knowledge that drives mathematics teachers’ actions in the classroom. While this investigation has generated a useful body of information, there has been little information about changes in the character of this knowledge when teaching involves the use of technology. In this paper, I address this issue by examining a group of preservice primary mathematics teachers’ understanding of fractions. The participants were required to order fractions within software called JavaBars. The results suggest that, while the preservice teachers had built up robust knowledge about fractions, they …
Over Het Meten Van De Sensitiviteit Bij Professionele Verzorg(St)Ers, Frits Goossens, Edward Melhuish
Over Het Meten Van De Sensitiviteit Bij Professionele Verzorg(St)Ers, Frits Goossens, Edward Melhuish
Faculty of Social Sciences - Papers (Archive)
Much research indicates the importance of interactional experience for young children in developing their competence. In particular sensitivity in interaction has been associated with beneficial developmental outcomes and is often regarded as a central component of good quality child care. This study considers some alternative ways of measuring the sensitivity of caregivers. Thirty professional caregiver-infant dyads were observed in three different situations: in the laboratury during free-play (1), during a task (2) and at the nursery itself while caring for 10 infants with a colleague (3). Results indicated that their sensitivity was highest in situation 1; this score was significantly …
Severe Maternal Psychopathology And Infant-Mother Attachment, A E. Hipwell, Frits Goossens, Edward Melhuish, R Kumar
Severe Maternal Psychopathology And Infant-Mother Attachment, A E. Hipwell, Frits Goossens, Edward Melhuish, R Kumar
Faculty of Social Sciences - Papers (Archive)
Eighty-two mother-infant dyads, comprising women with psychiatric disorder and individually matched controls, were followed up over the children's 1st year of life. The mothers with mental illness consisted of two subgroups: first, 25 severely mentally ill mothers who had been admitted to a psychiatric unit with their infants; and second, 16 mothers from a community sample meeting research diagnostic criteria for unipolar, nonpsychotic depression. With the exception of six dyads in the in-patient group, observations were made of the mother-infant interaction and the quality of the infant-mother attachment relationship at 12 months. The nature and course of the mothers' illness …
Developments In Blast Furnace Process Control At Port Kembla Based On Process Fundamentals, Robert Nightingale, Rian Dippenaar, Wei-Kao Lu
Developments In Blast Furnace Process Control At Port Kembla Based On Process Fundamentals, Robert Nightingale, Rian Dippenaar, Wei-Kao Lu
Faculty of Engineering and Information Sciences - Papers: Part A
This article is based on a presentation made in the "Geoffrey Belton Memorial Symposium," held in January 2000, in Sydney, Australia, under the joint sponsorship of ISS and TMS.
The C*-Algebras Of Row-Finite Graphs, Teresa Bates, David Pask, Iain Raeburn, Wojciech Szymanski
The C*-Algebras Of Row-Finite Graphs, Teresa Bates, David Pask, Iain Raeburn, Wojciech Szymanski
Faculty of Engineering and Information Sciences - Papers: Part A
We prove versions of the fundamental theorems about Cuntz-Krieger algebras for the C*-algebras of row-finite graphs: directed graphs in which each vertex emits at most finitely many edges. Special cases of these results have previously been obtained using various powerful machines; our main point is that direct methods yield sharper results more easily.
Non-Gravitational Heating In The Hierarchical Formation Of X-Ray Clusters, K K S Wu, A C. Fabian, Paul E J Nulsen
Non-Gravitational Heating In The Hierarchical Formation Of X-Ray Clusters, K K S Wu, A C. Fabian, Paul E J Nulsen
Faculty of Engineering and Information Sciences - Papers: Part A
The strong deviation in the properties of X-ray clusters from simple scaling laws highlights the importance of non-gravitational heating and cooling processes in the evolution of protocluster gas. We investigate this from two directions: by finding the amount of ‘excess energy’ required in intracluster gas in order to reproduce the observed X-ray cluster properties, and by studying the excess energies obtained from supernovae in a semi-analytic model of galaxy formation. Using the insights obtained from the model, we then critically discuss possible ways of achieving the high excess specific energies required in clusters. These include heating by supernovae and active …
The C*-Algebras Of Infinite Graphs, Neal J. Fowler, Marcelo Laca, Iain Raeburn
The C*-Algebras Of Infinite Graphs, Neal J. Fowler, Marcelo Laca, Iain Raeburn
Faculty of Engineering and Information Sciences - Papers: Part A
We associate C*-algebras to infinite directed graphs that are not necessarily locally finite. By realizing these algebras as Cuntz-Krieger algebras in the sense of Exel and Laca, we are able to give criteria for their uniqueness and simplicity, generalizing results of Kumjian, Pask, Raeburn, and Renault for locally finite directed graphs.
An Equivariant Brauer Semigroup And The Symmetric Imprimitivity Theorem, Astrid An Huef, Iain Raeburn, Dana Williams
An Equivariant Brauer Semigroup And The Symmetric Imprimitivity Theorem, Astrid An Huef, Iain Raeburn, Dana Williams
Faculty of Engineering and Information Sciences - Papers: Part A
No abstract provided.
Integer-Modulated Filter Banks Providing Perfect Reconstruction, Alfred Mertins, Tanja Karp, Jorg Kliewer
Integer-Modulated Filter Banks Providing Perfect Reconstruction, Alfred Mertins, Tanja Karp, Jorg Kliewer
Faculty of Engineering and Information Sciences - Papers: Part A
In this paper, we extend the perfect reconstruction conditions known for cosine modulation to other, more general modulation schemes. The modified PR conditions provide additional degrees of freedom which can be utilized to design integer-modulated filter banks. Techniques for the design of prototypes and modulation sequences are presented.
Network Reconfiguration For Enhancement Of Voltage Stability In Distribution Networks, Kashem M. Muttaqi, Velappa Ganapathy, G G. Jasmon
Network Reconfiguration For Enhancement Of Voltage Stability In Distribution Networks, Kashem M. Muttaqi, Velappa Ganapathy, G G. Jasmon
Faculty of Engineering and Information Sciences - Papers: Part A
Network reconfiguration is performed by altering the topological structure of distribution feeders. By reconfiguring the network, voltage stability can be maximised for a particular set of loads in distribution systems. A new algorithm is formulated for enhancement of voltage stability by network reconfiguration. Initially, a certain number of switching combinations is generated using the combination of tie and its two neighbouring switches, and the best combination of switches for maximising the voltage stability in the network among them is determined. Then the search is extended by considering the branches next to the open-branches of the best configuration one by one …
Naturality And Induced Representations, Siegfried Echterhoff, S Kaliszewski, John Quigg, Iain Raeburn
Naturality And Induced Representations, Siegfried Echterhoff, S Kaliszewski, John Quigg, Iain Raeburn
Faculty of Engineering and Information Sciences - Papers: Part A
We show that induction of covariant representations for C*-dynamical systems is natural in the sense that it gives a natural transformation between certain crossed-product functors. This involves setting up suitable categories of C*-algebras and dynamical systems, and extending the usual constructions of crossed products to define the appropriate functors. From this point of view, Green's Imprimitivity Theorem identifies the functors for which induction is a natural equivalence. Various special cases of these results have previously been obtained on an ad hoc basis.
The Method Of Generalised Conditional Symmetries And Its Various Implementations, Joanna Goard
The Method Of Generalised Conditional Symmetries And Its Various Implementations, Joanna Goard
Faculty of Engineering and Information Sciences - Papers: Part A
We relate Kaptsov's method of B-determining equations for finding invariant solutions of PDEs to the nonclassical method and to the method of generalised conditional symmetries. An extension of Kaptsov's method is then used to find new solutions of degenerate diffusion equations.
Disrupting The Center: Interrogating An ‘Asian Feminist’ Identity, Lenore T. Lyons
Disrupting The Center: Interrogating An ‘Asian Feminist’ Identity, Lenore T. Lyons
Faculty of Arts - Papers (Archive)
The problem of ‘difference’ has emerged as a significant issue in western feminist theory making during the past two decades. In response to claims that mainstream feminism has ignored the lives and voices of third world women and women of colour, attention has increasingly been placed on the ways in which class and ‘race’ intersect in the everyday lived experiences of women. This work has sought to displace the hegemonic control of white, western women in the production of feminist knowledge. Despite a growing body of literature on women’s movements throughout the Asian region, however, common-sense perceptions of Asian ‘submissiveness’ …
Home Invasion: Television, Identity And Belonging In Sydney's Western Suburbs, Tanja Dreher
Home Invasion: Television, Identity And Belonging In Sydney's Western Suburbs, Tanja Dreher
Faculty of Arts - Papers (Archive)
Television occupies a central place in most Australian homes, and 'TV talk' is an important process in negotiations of individual and group identities (Gillespie. 1995). TV is the focus of many private, family interactions. As a 'window on the world', television is also a primary source of information about public life. Thus TV is deeply implicated both in interactions within the home, and in our understandings of the wider 'home' of the nation. This paper draws on discussions with diverse community groups in and around Cabramatta to explore the crucial role of TV in negotiations of 'home' and 'belonging' in …
Positionally Dependent 15n Fractionation Factors In The Uv Photolysis Of N2o Determined By High Resolution Ftir Spectroscopy, Fred Turatti, D W. T Griffith, Stephen Wilson, Michael Esler, T Rahn, H Zang, G A. Blake
Positionally Dependent 15n Fractionation Factors In The Uv Photolysis Of N2o Determined By High Resolution Ftir Spectroscopy, Fred Turatti, D W. T Griffith, Stephen Wilson, Michael Esler, T Rahn, H Zang, G A. Blake
Faculty of Science, Medicine and Health - Papers: part A
Positionally dependent fractionation factors for the photolysis of isotopomers of N2O in natural abundance have been determined by high resolution FTIR spectroscopy at three photolysis wavelengths. Fractionation factors show clear 15N position and photolysis wavelength dependence and are in qualitative agreement with theoretical models but are twice as large. The fractionation factors increase with photolysis wavelength from 193 to 211 nm, with the fractionation factors at 207.6 nm for 14N15N16O, 15N14N16O and 14N14N18O equal to −66.5±5‰,−27.1±6‰ and −49±10‰, respectively.
Options For The Assessment And Reporting Of Primary Students In The Key Learning Area Of Science To Be Used For The Reporting Of Nationally Comparable Outcomes Of Schooling Within The Context Of The National Goals For Schooling In The Twenty-First Century, Samuel Ball, Ian D. Rae, Jim S. Tognolini
Options For The Assessment And Reporting Of Primary Students In The Key Learning Area Of Science To Be Used For The Reporting Of Nationally Comparable Outcomes Of Schooling Within The Context Of The National Goals For Schooling In The Twenty-First Century, Samuel Ball, Ian D. Rae, Jim S. Tognolini
Faculty of Social Sciences - Papers (Archive)
The National Education Performance Monitoring Taskforce (NEPMT) was established in April 1999 by the Ministerial Council on Education, Employment, Training and Youth Affairs (MCEETYA). The taskforce was called upon inter alia to develop performance measures as the basis for national reporting. One such area was science.
Diet Composition And Insulin Action In Animals Models, Leonard Storlien, J A. Higgins, T C. Thomas, John Brown, Hongqin Wang, Xu-Feng Huang, Paul Else
Diet Composition And Insulin Action In Animals Models, Leonard Storlien, J A. Higgins, T C. Thomas, John Brown, Hongqin Wang, Xu-Feng Huang, Paul Else
Faculty of Social Sciences - Papers (Archive)
Critical insights into the etiology of insulin resistance have been gained by the use of animal models where insulin action has been modulated by strictly controlled dietary interventions not possible in human studies. Overall, the literature has moved from a focus on macronutrient proportions to understanding the unique effects of individual subtypes of fats, carbohydrates and proteins. Substantial evidence has now accumulated for a major role of dietary fat subtypes in insulin action. Intake of saturated fats is strongly linked to development of obesity and insulin resistance, while that of polyunsaturated fats (PUFAs) is not. This is consistent with observations …
(De)Constructing The Interview: A Critique Of The Participatory Method, Lenore T. Lyons, J. Chipperfield
(De)Constructing The Interview: A Critique Of The Participatory Method, Lenore T. Lyons, J. Chipperfield
Faculty of Arts - Papers (Archive)
Feminist approaches to the use of interviewing emphasise the importance of building rapport with respondents in order to achieve a successful research outcome. This ‘participatory model’ is concerned with addressing power differentials between researcher and researched and thus producing non-hierarchical, non-manipulative research relationships. We argue that the continued centring of rapport as a key interview strategy ignores both the nature of power relationships within the interview, as well as interviewee subjectivity. Drawing on our own experiences of interviewing we examine the ways in which both interviewer and interviewee are placed along intersecting axes of power. An analysis of the complex …
The Environmental Crisis And The Accounting Craft, Jane Andrew
The Environmental Crisis And The Accounting Craft, Jane Andrew
Faculty of Commerce - Papers (Archive)
If the purpose of environmental accounting research is to develop, suggest ad analyse ways out fo the environmental crisis, then it is fundamental that the ethical positions informing our research are developed and explored fully before we make choices about the path and direction of our own work. This paper reviews two alternative approaches to environmental ethics, namely, radical ecology (of which deep ecology, social ecology and eco-feminism are regarded as sub-divisions) and the emerging area of postmodern environmentalism. The aim is to encourage environmental accounting researchers to consider and explicitly state the ethical position adopted within their work.