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Mark Dickinson(Mark Dickinson ) 한국캐나다학회 2011 Asia-Pacific Journal of Canadian Studies (APJCS) Vol.17 No.1
In his groundbreaking book A Fair Country: Telling Truths About Canada (2008), public intellectual John Ralston Saul argues that the senior founding pillar of contemporary Canadian civilization is the persistent influence of Aboriginal ideas and customs on non-Aboriginal culture. Saul places an emphasis on the Aboriginal concept of the ever-enlarging circle, an ethical pact of fairness and equality, as a defining factor in ideas of modern Canadian nationhood. I illuminate Saul’s argument by bringing it into conversation with one of the most unusual long poems in Canadian literature, Robert Bringhurst’s polyphonic masque Ursa Major (2003/2009). Ursa Major, composed in four languages (Cree, Greek, Latin and English) integrates Ovid’s myth of Callisto and Arcturus, with “Bear Woman” by the Sweet Grass Cree mythteller Kâ-kîsikâw-pîhtokêw. It is Bringhurst’s re-imagined Arcturus, transplanted to the Saskatchewan prairie, who enacts the ever-enlarging circle, demonstrating that the only fair country is one that exists in a state of continuous negotiation and open-heartedness with that which it is not.
The State-of-Play of Anomalous Microwave Emission (AME) research
Dickinson, Clive,Ali-Haï,moud, Y.,Barr, A.,Battistelli, E.S.,Bell, A.,Bernstein, L.,Casassus, S.,Cleary, K.,Draine, B.T.,Gé,nova-Santos, R.,Harper, S.E.,Hensley, B.,Hill-Valler, J.,Hoang, Th Elsevier 2018 New astronomy reviews Vol.80 No.-
<P><B>Abstract</B></P> <P>Anomalous Microwave Emission (AME) is a component of diffuse Galactic radiation observed at frequencies in the range ≈ 10–60 GHz. AME was first detected in 1996 and recognised as an additional component of emission in 1997. Since then, AME has been observed by a range of experiments and in a variety of environments. AME is spatially correlated with far-IR thermal dust emission but cannot be explained by synchrotron or free–free emission mechanisms, and is far in excess of the emission contributed by thermal dust emission with the power-law opacity consistent with the observed emission at sub-mm wavelengths. Polarization observations have shown that AME is very weakly polarized ( ≲ 1 %). The most natural explanation for AME is rotational emission from ultra-small dust grains (“spinning dust”), first postulated in 1957. Magnetic dipole radiation from thermal fluctuations in the magnetization of magnetic grain materials may also be contributing to the AME, particularly at higher frequencies ( ≳ 50 GHz). AME is also an important foreground for Cosmic Microwave Background analyses. This paper presents a review and the current state-of-play in AME research, which was discussed in an AME workshop held at ESTEC, The Netherlands, June 2016.</P>
Hsu, Stephen,Dickinson, Douglas Korean Society for Biochemistry and Molecular Biol 2006 Journal of biochemistry and molecular biology Vol.39 No.3
Sj$\"{o}$gren's syndrome (SS) is an autoimmune disorder that affects the salivary glands, leading to xerostomia, and the lacrimal glands, resulting in xerophthalmia. Secondary SS is associated with other autoimmune disorders such as systemic rheumatic diseases and systemic lupus erythematosis (SLE), which can affect multiple organs, including the epidermis. Recent studies have demonstrated that green tea polyphenols (GTPs) possess both anti-inflammatory and anti-apoptotic properties in normal human cells. Epidemiological evidence has indicated that, in comparison to the United States, the incidence of SS, clinical xerostomia and lupus is considerably lower in China and Japan, the two leading green tea-consuming countries. Thus, GTPs might be responsible, in part, for geographical differences in the incidence of xerostomia by reducing the initiation or severity of SS and lupus. Consistent with this, molecular, cellular and animal studies indicate that GTPs could provide protective effects against autoimmune reactions in salivary glands and skin. Therefore, salivary tissues and epidermal keratinocytes could be primary targets for novel therapies using GTPs. This review article evaluates the currently available research data on GTPs, focusing on their potential application in the treatment of the oral manifestations of SS and skin manifestations of SLE.
Young-Nam Kim,Nicholas Dickinson,Keum-Ah Lee,Yong Bok Lee 한국토양비료학회 2021 한국토양비료학회 학술발표회 초록집 Vol.2021 No.11
Conversion of lowland New Zealand to agriculture has declined biodiversity of native earthworms. It has been well known that introduced earthworms improve soil fertility and crops yield in the NZ agricultural system, but there is lack knowledge about functional roles of native species in the agricultural soils. The present study was conducted to compare the burrowing effects of native and exotic earthworms on soil biological and chemical properties as well as pasture production in different soil types including native forest (NF), sheep farmland (SF), and dairy farmland (DF) through a pot experiment. During the incubation period, the native species Maoridrilus transalpinus represented low mortality (<10 %) in all soil types, but the invasive species Octolasion cyaneum did not survive in NF soil. Root structure also appeared to be better in the presence of native species than exotic species and control with no earthworms. In addition, M. transalpinus considerably improved soil biogeochemical properties and ryegrass yields compared to O. cyaneum. These improvements by the native species included increase in availability of key nutrients (N and P) in the rhizosphere and also greater plant biomass and photosynthetic pigments. Moreover, the rhizosphere, particularly of DF soil, had greatly stimulated microbial abundance and activity by the presence of M. transalpinus, with double increases of microbial biomass C and dehydrogenase enzyme activity, compared to the control. These results suggest that, like Lumbricids, this native species of earthworm is likely to play functional roles in the NZ pasture lands, leading to improvement of soil fertility and crop productivity.