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Self-medication with over-the-counter drugs and complementary medications in South Australia's elderly population
Lynn Goh, Agnes I Vitry, Susan J Semple, Adrian Esterman, Mary A Luszcz
BMC Complementary and Alternative Medicine , 2009, DOI: 10.1186/1472-6882-9-42
Abstract: The Australian Longitudinal Study of Ageing (ALSA) is an ongoing multidisciplinary prospective study of the older population which commenced in 1992 in South Australia. Data collected in 4 waves of ALSA between 1992 and 2004 were used in this study with a baseline sample of 2087 adults aged 65 years and over, living in the community or residential aged care. OTC medicines were classified according to the World Health Organization Anatomical Therapeutic Chemical (ATC) classification. CAM were classified according a modified version of the classification adopted by the Therapeutics Goods Administration (TGA) in Australia.The prevalence of CAM or OTC use ranged from 17.7% in 2000-2001 to 35.5% in 2003-2004. The top classes of CAM and OTC medicines used remained relatively constant over the study period. The most frequent classes of CAM used were vitamins and minerals, herbal medicines and nutritional supplements while the most commonly used OTC were analgesics, laxatives and low dose aspirin. Females and those of younger age were more likely to be CAM users but no variable was associated with OTC use.Participants seemed to self-medicate in accordance with approved indications, suggesting they were informed consumers, actively looking after their own health. However, use of analgesics and aspirin are associated with an increased risk of adverse drug events in the elderly. Future work should examine how self-medication contributes to polypharmacy and increases the risk of adverse drug reactions.In Australia, the proportion of adults over the age of 65 in 2005 was 13% and this figure is expected to more than double by 2051. South Australia has the highest percentage of people aged 65 and over of all Australian states and territories, and this age group is expected to make up 26.5% of the state's population by 2031[1].Increasing age is associated with increased prevalence of chronic medical conditions [2], a higher number of medicines used, and a higher demand for all medi
Search for Magnetic Order in Superconducting RuSr2Eu1.2Ce0.8Cu2O10
J. W. Lynn,Y. Chen,Q. Huang,S. K. Goh,G. V. M. Williams,J. L. Tallon
Physics , 2006, DOI: 10.1103/PhysRevB.76.014519
Abstract: Neutron diffraction, polarized neutron transmission, and small angle neutron scattering have been used to investigate the crystal structure and nature of the magnetic order in a polycrystalline sample of RuSr2Eu1.2Ce0.8Cu2O10. The sample was made with the Eu-153 (98.8%) isotope to reduce the high neutron absorption for the naturally occurring element. Full refinements of the crystal structure, space group I4/mmm, are reported. At low temperatures only a single magnetic peak is clearly observed in a relatively wide angular range. A sharp spin reorientation transition (SRT) is observed around 35 K, close to the superconducting transition temperature (Tc~40 K). Between the spin reorientation temperature and the Neel temperature of 59 K, additional magnetic reflections are observed. However, none of these can be simply indexed on the chemical unit cell, either as commensurate peaks or simple incommensurate magnetism, and the paucity of reflections at low T compels the conclusion that these magnetic Bragg peaks arise from an impurity phase. X-ray and neutron diffraction on the pressed pellet both show that the sample does not appear to contain substantial impurity phases, but it turns out that the magnetic impurity peaks exhibit strong preferred orientation with respect to the pellet orientation, while the primary phase does not. We have been unable to observe any magnetic order that can be identified with the ruthenate-cuprate system.
Structural and Thermal Properties of Tb, Ce Doped Y2.97Gd0.03Al2Ga3O12 Single Crystals  [PDF]
Mohammad Faheem, Kelvin Lynn
American Journal of Analytical Chemistry (AJAC) , 2014, DOI: 10.4236/ajac.2014.511078
Abstract: The structural and thermal properties of yttrium-aluminum-gadolinium-gallium (Y2.97Gd0.03Al2Ga3O12) single crystals doped with terbium (0.1%), cerium (0.01%) and co-doped with both terbium and cerium ((0.1, 0.01)%) were investigated. All samples were heated (calcined) at 1400°C for 15 hours before crystallization. X-ray powder diffraction (XRD) patterns of all calcined samples showed the presence of yttrium gallium aluminate (Y3Al2Ga3O12) and gadolinium gallium oxide (Gd3GaO6) while the grown crystals were single phase of Y3Al2Ga3O12. The lattice parameter of the crystals decreased with Ce doping. The thermal conductivity of each sample was determined from 25°C to 300°C and found to decrease exponentially with increasing temperature. All doped crystals have different thermal conductivity, which is attributed to the crucial influence of crystals structures. 0.01% Ce:YAGG was found to be a strong candidate for scintillators and other lasing materials because of its good thermal behavior (10.71 W/m·K).
Complexity of Interaction in a Second Language Conversation Group: An Exploratory Study  [PDF]
Melanie Lynn D’Amico
Open Journal of Modern Linguistics (OJML) , 2015, DOI: 10.4236/ojml.2015.54031
Abstract: The aim of this research was to explore the nature of conversation in a weekly second language Italian conversation group. Analysis of conversations focused on the range of topics and verbal structures used by learners. Additional analysis was completed to determine if learners engaged in negotiation of meaning or form during conversations. Results revealed that learners used a range of topics and verbal structures from Beginner level to Advanced level indicating that learners challenged themselves to produce high quality, natural conversation. Learners also showed some use of negotiation during conversations to repair communication breakdowns, principally to address meaning; however, the amount of negotiation was low when compared to task-based interaction designed to elicit negotiation.
The need for evidence-based aesthetic dermatology practice
Goh C
Journal of Cutaneous and Aesthetic Surgery , 2009,
Mechanism in allergic contact dermatitis
Goh C
Indian Journal of Dermatology, Venereology and Leprology , 1991,
Separation of antiferromagnetism and high-temperature superconductivity in Ca$_{1-x}$La$_x$Fe$_2$As$_2$ under pressure
Shanta R. Saha,T. Drye,S. K. Goh,L. E. Klintberg,J. M. Silver,F. M. Grosche,M. Sutherland,T. J. S. Munsie,G. M. Luke,D. K. Pratt,J. W. Lynn,J. Paglione
Physics , 2013, DOI: 10.1103/PhysRevB.89.134516
Abstract: We report the effect of applied pressures on magnetic and superconducting order in single crystals of the aliovalent La-doped iron pnictide material Ca$_{1-x}$La$_{x}$Fe$_{2}$As$_{2}$. Using electrical transport, elastic neutron scattering and resonant tunnel diode oscillator measurements on samples under both quasi-hydrostatic and hydrostatic pressure conditions, we report a series of phase diagrams spanning the range of substitution concentrations for both antiferromagnetic and superconducting ground states that include pressure-tuning through the antiferromagnetic (AFM) quantum critical point. Our results indicate that the observed superconducting phase with maximum transition temperature of $T_{c}$=47 K is intrinsic to these materials, appearing only upon suppression of magnetic order by pressure tuning through the AFM critical point. In contrast to all other intermetallic iron-pnictide superconductors with the ThCr$_2$Si$_2$ structure, this superconducting phase appears to exist only exclusively from the antiferromagnetic phase in a manner similar to the oxygen- and fluorine-based iron-pnictide superconductors with the highest transition temperatures reported to date. The unusual dichotomy between lower-$T_{c}$ systems with coexistent superconductivity and magnetism and the tendency for the highest-$T_{c}$ systems to show non-coexistence provides an important insight into the distinct transition temperature limits in different members of the iron-based superconductor family.
Relationship between Video Game Violence and Long-Term Neuropsychological Outcomes  [PDF]
Yoshiyuki Tamamiya, Goh Matsuda, Kazuo Hiraki
Psychology (PSYCH) , 2014, DOI: 10.4236/psych.2014.513159
Abstract: The current study examined the long-term effects of video game violence on aggressiveness and facial expression recognition using multiple measures. In Experiment 1, participants unfamiliar with video games were randomly assigned to play a violent or nonviolent video game for four weeks. Before and after the game play interval, event-related potentials (ERP) evoked by facial expressions were recorded, and aggressiveness was measured with a questionnaire. Results showed that playing a violent video game delayed peak latency of a positive component of the ERP evoked by angry faces and increased aggressiveness among male participants. Experiment 2 included a 3-month follow-up assessment. Results showed preservation of delayed neural activity, while levels of aggressiveness diminished to some extent. These findings highlight differential aspects regarding the long-term effects of playing a violent video game: more enduring for facial expression recognition and short-lived for aggressiveness.
Supply Chain Orchestration Leveraging on MNC Networks and Local Resources: Approach Strategies  [PDF]
Zhengping Li, Robert De Souza, Mark Goh
Journal of Service Science and Management (JSSM) , 2016, DOI: 10.4236/jssm.2016.94036
Abstract: Competition is becoming more global and is between the networks of businesses rather than between the firms. Operating in such an increasing networked environment, companies have to innovate their business, either be orchestrators or be orchestrated. This exploratory paper proposes an overarching Supply Chain Orchestration (SCO) framework which leverages on the capabilities of the MNC’s networks and the local Logistics Service Providers (LSPs) at a strategic level. This framework comprises integrated components including orchestrated Supply Chain Network (SCN), the relationship model of the actors, a “Win-for-All” pro-orchestration model, and the collaboration platform for the LSPs. Specifically, the paper proposes a practical approach for upgrading the local industry through a virtuous model whereby the MNCs, LSPs, and government agencies collaborate to create a pro-orchestration environment for greater value adding. Using a semi-structured interview approach, key players across the logistics sector in Singapore were interviewed. The approach strategies for realizing this orchestration are investigated and the implications are discussed through a few application scenarios.
User Goals, Behaviours and Attitudes: Developing Web User Personas of Art and Design Students  [PDF]
Chu Hiang Goh, Nurul Hanim Romainoor
Art and Design Review (ADR) , 2019, DOI: 10.4236/adr.2019.71001
Abstract: User personas are one of the most understandable deliverables which used to improve user experience and enhance design communication in web design process. Myriad studies and design research were conducted in this area which was largely based on qualitative research methods. This posted a challenge empirically in the validation of the personas created. To set on this gap, a qualitative-quantitative validation method was adapted with the focus in the three main attributes of personas: user goals, behaviours, and attitudes in this research to create student web user personas in the School of The Arts, Universiti Sains Malaysia web site. As an outcome, a set of art and design student web user personas were presented.
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