The manifestation of varieties of blended learning pedagogy (BLP) : interplay between academic, institutional and global pedagogy

Despite the increased recognition of the potential use of online technologies to deliver flexible and student-centered learning environments in higher education, there are numerous critiques that its usage does not transform the daily practices of teaching and learning. This paper draws on some of the findings from three case studies that explored the manifestation of blended learning pedagogies (BLP). Six academics teaching at three different higher education contexts at two different countries, namely Australia and Malaysia were interviewed. The study aimed to interrogate the different manifestation of BLP at the different contexts of higher education, highlighting the complex interplay between the users (academics), technology and the specific socio-cultural contexts. Focusing on the academic identities that are shaped and reshaped within its socio-cultural context, this study demonstrated the complexity and fluidity of the manifestation of the different varieties of BLP. It contributes to further understanding the ways in which online technologies are used in teaching and learning within context of global knowledge economy that emphasizes flexibility and active co-production of knowledge.

Marxists in the age of Palmer: a genealogy of ‘anti-politics’

The decline of trust in Australian political institutions and the rise of anti-political sentiment, most dramatically represented by the phenomenon of Clive Palmer, has been largely perplexing to the Australian left whether in its labourist, green or revolutionary varieties. In recent years support for Labor and the Greens has fallen, union membership has continued to stagnate and the revolutionary left has failed to break out of its campus enclaves despite a global crisis of capitalism. This article provides a critical examination of a minority trend within the Australian left that seen the rise of ‘anti-politics’ as a positive development. Leading figures in this have been Tad Tietze, Elizabeth Humphrys, Marc Newmann and anonymous blogger The Piping Shriek. Their work has been critical of attempts to revive traditional institutions of the left and has argued that the organised left has become committed to a project of state management of individual behaviour. This line of argument represents a distinctive critique of politics that echoes themes espoused by John Anderson and Sydney libertarianism. This article applies Michel Foucault’s genealogical approach to explain the revival of libertarian themes on the left and their particular resonance within Sydney political culture.

Administering the global trap : the role of educational leaders

This article begins with an analysis of Martin and Schumann’s thesis that globalization is (a) enhancing the power of corporations and undermining the sovereignty of nation states and (b) in the process consuming social capital at an alarming rate, thus producing a loss of social cohesion. Globalization is then discussed in terms of the transformations of technology, finance, production and culture, and Gray’s account of differing relationships between markets and cultures in differing forms of capitalism is introduced. The Third Way is then analysed as a specific attempt to resolve cultural contradictions and its limitations are set out. As a possible way forward Amartya Sen’s account of ‘development as freedom’ is outlined and the implications for the role of educational leaders are discussed.

FTIR and thermal analysis of cashmere and other animal fibres

In this paper, sereval varieties of animal fibres including cashmere and Australian fine Merino wool have been analysed by Fourier transform infrared microscope and differential scanning calorimeter. The results showed that both Chinese and Australian cashmere fibres started absorbing heat at a relatively higher temperature but were thermally degraded quicker than other animal fibres tested. However, the mass changes (within the temperature range of 200oC to 350oC) and associated onset temperatures varied among fibre varieties. From the attenuated total reflectance spectra, the Chinese cashmere was clearly different from Australian cashmere and wool in a peak near 1040 cm-1 wavelength for S-O stretching of cysteic acid residues. The Chinese cashmere presented a stronger absorption at 1019 cm-1 wavelength, while Australian cashmere and wool peaked at 1079 cm-1 wavelength and had a weaker absorption. Combined with thermal analysis, the normalised R-SO3 - content of cysteic acid residues to the amide II peak of the protein backbone may have potential use in identifying Australian fine Merino wool from Chinese cashmere.

A new broad composite model of regional economic development as a framework for research

The mechanism of regional economic development has been studied extensively by economists, geographers, town planners and other academics. The existing wide varieties of theories into regional economic development are insufficient on their own in explaining how a region can develop and prosper. Each theory has evaluated a few facets of regional economic development. Research from these different perspectives is narrow and prevents any cross-fertilization of research from all these diverse
theories.

Recognition of multiple factors affecting the development process has led the author to create a new broad composite model of regional economic development. The paper first sets out to describe and explain this broad composite model. Each of the components of this new model draws heavily upon seminal work in the field. This model proposes three rings. Each ring is at a different level of abstraction. The determinants of development described in each ring can influence each and every other determinant of development shown in the three ring structure. This model recognises that development in any centre, regional or urban, nascent or established is a composite end result of the complex interplay of all the determinants of development.

The paper then goes on to show how this model can provide a broad holistic approach to regional economic development that can assist researchers in their attempts to understand and link the various theories of regional economic development.

An epistemically distant God? a critique of John Hick's response to the problem of divine hiddenness

God is thought of as hidden in at least two ways. Firstly, God's reasons for permitting evil, particularly instances of horrendous evil, are often thought to be inscrutable or beyond our ken. Secondly, and perhaps more problematically, God's very existence and love or concern for us is often thought to be hidden from us (or, at least, from many of us on many occasions). But if we assume, as seems most plausible, that God's reasons for permitting evil will (in many, if not most, instances) be impossible for us to comprehend, would we not expect a loving God to at least make his existence or love sufficiently clear to us so that we would know that there is some good, albeit inscrutable, reason why we (or others) are permitted to suffer? In this paper I examine John Hick's influential response to this question, a response predicated on the notion of 'epistemic distance': God must remain epistemically distant and hence hidden from us so as to preserve our free will. Commentators of Hick's work, however, disagree as to whether the kind of free will that is thought to be made possible by epistemic distance is the freedom to believe that God exists, or the freedom to choose between good and evil, or the freedom to enter into a personal relationship with God. I argue that it is only the last of these three varieties of free will that Hick has in mind. But this kind of freedom, I go on to argue, does not necessitate an epistemically distant God, and so the problem of divine hiddenness remains unsolved.

Born of fire, possessed by darkness : mysticism and Australian poetry

This dissertation is structured around five Australian mystical poets: Ada Cambridge, John Shaw Neilson, Francis Webb, Judith Wright and Kevin Hart. It examines the varieties of Western Christian mysticism upon which these poets draw, or with which they exhibit affinities. A short prelude section to each chapter considers the thematic parallels of their contemporaries, while the final chapter critically investigates constructions of Indigeneity in Australian mystical poetry and the renegotiated mystical poetics of Indigenous poets and theologians. The central argument of this dissertation is that an understanding of Western Christian mysticism is essential to the study of Australian poetry. There are three sub-arguments: firstly, that Australian literary criticism regarding the mystical largely avoids the concept of mysticism as a shifting notion both historically and in the present; secondly, that what passes for mysticism is recurringly subject to poorly defined constructions of mysticism as well as individual poets’ use of the mystical for personal, creative or ideological purposes; thirdly, that in avoiding the concept of a shifting notion critics have ignored the increasing contribution of Australian poets to national and international discourses of mysticism.

Thermodynamics and kinetics of the formation of Al2 O3/ MgAl2O4/MgO in Al-Silica metal matrix composite

The formation of Al₂O₃, MgAl₂O₄, and MgO has been widely studied in different Al base metal matrix composites, but the studies on thermodynamic aspects of the Al₂O₃/ MgAl₂O₄/MgO phase equilibria have been limited to few systems such as Al/Al₂O₃ and Al/SiC. The present study analyzes the Al₂O₃/MgAl₂O₄ and MgAl₂O₄/MgO equilibria with respect to the temperature and the Mg content in Al/SiO2 system using an extended Miedema model. There is a linear and parabolic variation in Mg with respect to the temperature for MgAl₂O₄/MgO and Al₂O₃/MgAl₂O₄ equilibria, respectively, and the influence of Si and Cu in the two equilibria is not appreciable. The experimental verification has been limited to MgAl₂O₄/MgO equilibria due to the high Mg content (≥0.5 wt pct) required for composite processing. The study has been carried out on two varieties of Al/SiO₂ composites, i.e., Al/Silica gel and Al/Micro silica processed by liquid metallurgy route (stir casting route). MgO is found to be more stable compared to MgAl₂O₄ at Mg levels ≥5 and 1 wt pct in Al/Silica gel and Al/Micro silica composites, respectively, at 1073 K. MgO is also found to be more stable at lower Mg content (3 wt pct) in Al/Silica gel composite with decreasing particle size of silica gel from 180 micron to submicron and nanolevels. The MgO to MgAl₂O₄ transformation has taken place through a series of transition phases influenced by the different thermodynamic and kinetic parameters such as holding temperature, Mg concentration in the alloy, holding time, and silica particle size.

Transcriptional regulation of the yghJ-pppA-yghG-gspCDEFGHIJKLM cluster, encoding the type II secretion pathway in Enterotoxigenic Escherichia coli

The gene cluster gspCDEFGHIJKLM codes for various structural components of the type II secretion pathway which is responsible for the secretion of heat-labile enterotoxin by enterotoxigenic Escherichia coli (ETEC). In this work, we used a variety of molecular approaches to elucidate the transcriptional organization of the ETEC type II secretion system and to unravel the mechanisms by which the expression of these genes is controlled. We showed that the gspCDEFGHIJKLM cluster and three other upstream genes, yghJ, pppA, and yghG, are cotranscribed and that a promoter located in the upstream region of yghJ plays a major role in the expression of this 14-gene transcriptional unit. Transcription of the yghJ promoter was repressed 168-fold upon a temperature downshift from 37°C to 22°C. This temperature-induced repression was mediated by the global regulatory proteins H-NS and StpA. Deletion mutagenesis showed that the promoter region encompassing positions −321 to +301 relative to the start site of transcription of yghJ was required for full repression. The yghJ promoter region is predicted to be highly curved and bound H-NS or StpA directly. The binding of H-NS or StpA blocked transcription initiation by inhibiting promoter open complex formation. Unraveling the mechanisms of regulation of type II secretion by ETEC enhances our understanding of the pathogenesis of ETEC and other pathogenic varieties of E. coli.