Adelaide Research & Scholarship
Adelaide Research & Scholarship (AR&S) is Adelaide University’s research repository and provides online access to research outputs and theses of Adelaide University, University of Adelaide, and University of South Australia.
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Recent Submissions
Reflections on The Lancet menopause Series
(Elsevier, 2024) Sharp, G.; Randhawa, A.; Fernando, A.N.
Response to: Additional Thoughts on the Zoom Effect
(Oxford University Press, 2022) Pikoos, T.D.; Buzwell, S.; Sharp, G.; Rossell, S.L.
Responsibilities for receiving and using individual participant data
(Wiley, 2023) Hunter, K.E.; Tan, A.C.; Webster, A.C.; Hamilton, D.G.; Barnett, A.; Jones, L.; Cheng, M.; Fahridin, S.; Laguna‐Camacho, A.; Libesman, S.; Hoffmann, M.; Wang, R.; Seidler, A.L.
Background: Sharing of individual participant data enhances the value of existing data to generate new evidence and inform decision‐making. While there is strong in‐ principle support for data sharing, in practice study data are often difficult to find, access, and re‐use. Currently, there is no consensus statement to guide the data‐ sharing process. In particular, more guidance is needed on the responsibilities of data recipients for re‐using individual participant data. Purpose: To determine views on the responsibilities of recipients of study data, and to propose how these responsibilities could be met. Methods: A 2‐h online focus group was conducted at the 2021 Association for Interdisciplinary Meta‐research and Open Science conference. Three example data‐ sharing scenarios were discussed (evidence synthesis, study reproducibility, and secondary analyses). Notes and audio transcripts were collated using thematic analysis and shared with attendees for further iterative input. Results: A purposive sample of 16 conference delegates attended the focus group. Analyses revealed four recurring themes that were synthesized into recommenda- tions. The “privacy and ethics” theme described the need for data recipients to prioritize the protection of participant privacy, and the recommendation to proactively share a secure data management plan and evidence of ethical oversight with the data provider. The “capability and resourcing” theme required recipients to demonstrate sufficient capacity to process and analyze study data. The “recognition and collaboration” theme asserted the responsibility to acknowledge the contribu- tions of data providers and invite them to contribute to the secondary project. Last, the “compliance” theme focused on the responsibility to adhere to local data sharing regulations
Single-Atom Photocatalyst as Floatable Artificial Leaf for Upcycling Oceanic Plastic Waste
(Wiley, 2026) Talebian-Kiakalaieh, A.; Xu, X.; Ji, W.; Liu, Y.; Xia, B.; Ran, J.; Qiao, S.-Z.
Over ∼8 billion tons of plastic have been produced to date, with ∼80% of them ended up in landfills/oceans. Among them, polypropylene (PP) possesses the lowest global recycling rate (< 1%). To resolve this, Ru single atoms (SAs) loaded photocatalysts (ZnIn2S4/Ru SAs) in the forms of powder/floatable artificial leaf (AL) were prepared for direct conversion of raw PP plastic into valuable chemicals. The optimized photocatalyst exhibits exceptional performance with a total formic/acetic acid production of 1022.5 µmol g−1. In situ X-ray photoelectron spectroscopy, in situ atomic force microscopy-kelvin probe force microscopy, and in situ electron paramagnetic resonance (EPR) reveal efficient electron extraction from ZnIn2S4 nanosheets to Ru SAs, with subsequent electron capture by O2 molecules in air. Additionally, in situ transient-state photoluminescence spectroscopy, transient photovoltage measurement, and in situ EPR unveil the electrolyte-assisted polarization (induced by cations/anions in seawater) significantly enhancing charge separation/transfer. Finally, in situ EPR, in situ infrared (IR) spectroscopy, and quenching experiments corroborate the pivotal roles of reactive oxygen species (·O2−/·OH) for upcycling PP into valuable chemicals. These results highlight the transformative potential of floatable AL concept for converting plastic waste into high-value chemicals, offering a sustainable solution to plastic contamination.
Sap flow monitoring of two Australian native tree species in a suburban setting: Implications for tree selection and management
(Elsevier, 2022) Sun, X.; Li, J.; Cameron, D.; Moore, G.
Sap flow, the transport of fluid in the water-conducting xylem tissues of plants, is commonly measured in studies of plant-water relationships by the heat pulse velocity method. Publications have been rare of long-term sap flow measurements for individual trees in a suburban environment. Plant-water relations in urban settings are essential for promoting urban greening where there is a perceived danger to infrastructure and buildings from planting trees in streets on clay sites. The function of residential houses built on reactive clays can be significantly impaired and walls of buildings cracked if considerable amounts of water are extracted from the soil by the root system of a tree or a group of trees in close proximity, leading to localised soil shrinkage settlement. This part of the wider study aimed to monitor sap flow of eight individual Australian native trees from two species using the heat ratio method (HRM) in the field over 12 months. The analysis of monthly sap flow volume showed a similar pattern for all monitored trees, although daily water demand varied substantially. Methods for estimating tree leaf surface area, crown shape and crown volume were investigated and the equation for calculating thermal diffusivity (k) and sap flow velocity on the basis of the HRM was reviewed. It has been proposed that k may vary substantially depending on how thermal conductivity (K) is estimated, which could lead to significant discrepancies for estimations of plant transpiration. Two K models (KHog and KVan) were investigated and it was found that the impact on mean daily sap volume was negligible for the trees in this study. study.