10 Works

Australia State of the Environment 2021: Urban

Sarah Hill, Gabriela Vigiola, Zena Cumpston & Tanya Koeneman
Australia State of the Environment 2021: Urban is part of a suite of reports and products that review the state of the Australian environment. All SoE material is available at soe.awe.gov.au as highly searchable digital content provided under a creative commons licences with downloadable open-access data.

Data from: Anthracycline drugs on modified surface of quercetin-loaded polymer nanoparticles: a dual drug delivery model for cancer treatment

Chabita Saha, Agrima Kaushik, Asmita Das, Sandip Pal & Debashis Majumder
Polymer nanoparticles are vehicles used for delivery of hydrophobic anti-cancer drugs, like doxorubicin, paclitaxel or chemopreventors like quercetin (Q). The present study deals with the synthesis and characterisation of nano formulations (NFs) from Q loaded PLGA (poly lactic-co-glycolic acid) nano particles (NPs) by surface modification. The surface of Q-loaded (NPs) is modified by coating with biopolymers like bovine serum albumin (BSA) or histones (His). Conventional chemotherapeutic drugs adriamycin (ADR) and mitoxantrone (MTX) are bound to...

Data from: New crinoids from the Baltic region (Estonia): fossil tip-dating phylogenetics constrains the origin and Ordovician–Silurian diversification of the Flexibilia (Echinodermata)

David F. Wright & Ursula Toom
This study documents previously unknown taxonomic and morphological diversity among early Palaeozoic crinoids. Based on highly complete, well preserved crown material, we describe two new genera from the Ordovician and Silurian of the Baltic region (Estonia) that provide insight into two major features of the geological history of crinoids: the early evolution of the flexible clade during the Great Ordovician Biodiversification Event (GOBE), and their diversification history surrounding the end-Ordovician mass extinction. The unexpected occurrence...

Data from: Emissions and char quality of flame-curtain \"Kon Tiki\" kilns for farmer-scale charcoal/biochar production

Gerard Cornelissen, Naba Raj Pandit, Paul Taylor, Bishnu Pandit, Magnus Sparrevik & Hans Peter Schmidt
Pyrolysis of organic waste or woody materials yields charcoal, a stable carbonaceous product that can be used for cooking or mixed into soil, in the latter case often termed "biochar". Traditional kiln technologies often used for charcoal production are slow and without treatment of the pyrolysis gases, . This resultings in emissions of gases (mainly methane and carbon monoxide) and aerosols that are both toxic and contributes to greenhouse gas emissions, the most important being...

Data from: Transgenerational plasticity of reproduction depends on rate of warming across generations

Jennifer M. Donelson, Marian Wong, David J. Booth & Philip L. Munday
Predicting the impacts of climate change to biological systems requires an understanding of the ability for species to acclimate to the projected environmental change through phenotypic plasticity. Determining the effects of higher temperatures on individual performance is made more complex by the potential for environmental conditions experienced in previous and current generations to independently affect phenotypic responses to high temperatures. We used a model coral reef fish (Acanthochromis polyacanthus) to investigate the influence of thermal...

Data from: Lower body symmetry and running performance in elite Jamaican track and field athletes

Robert Trivers, Bernhard Fink, Mark Russell, Kristofor McCarty, Bruce James & Brian G. Palestis
In a study of degree of lower body symmetry in 73 elite Jamaican track and field athletes we show that both their knees and ankles (but not their feet) are – on average – significantly more symmetrical than those of 116 similarly aged controls from the rural Jamaican countryside. Within the elite athletes, events ranged from the 100 to the 800 m, and knee and ankle asymmetry was lower for those running the 100 m...

Data from: Phylogenetically driven sequencing of extremely halophilic archaea reveals strategies for static and dynamic osmo-response

Erin A. Becker, Phillip M. Seitzer, Andrew Tritt, David Larsen, Megan Krusor, Andrew I. Yao, Dongying Wu, Dominique Madern, Jonathan A. Eisen, Aaron E. Darling & Marc T. Facciotti
Organisms across the tree of life use a variety of mechanisms to respond to stress-inducing fluctuations in osmotic conditions. Cellular response mechanisms and phenotypes associated with osmoadaptation also play important roles in bacterial virulence, human health, agricultural production and many other biological systems. To improve understanding of osmoadaptive strategies, we have generated 59 high-quality draft genomes for the haloarchaea (a euryarchaeal clade whose members thrive in hypersaline environments and routinely experience drastic changes in environmental...

Data from: Community-wide scan identifies fish species associated with coral reef services across the Indo-Pacific

Eva Maire, Sébastien Villéger, Nicholas A.J. Graham, Andrew S. Hoey, Joshua Cinner, Sebastian C.A. Ferse, Catherine Aliaume, David J. Booth, David A. Feary, Michel Kulbicki, Stuart A. Sandin, Laurent Vigliola, David Mouillot & Sebastian C. A. Ferse
Determining whether many functionally complementary species or only a subset of key species are necessary to maintain ecosystem functioning and services is a critical question in community ecology and biodiversity conservation. Identifying such key species remains challenging, especially in the tropics where many species co-occur and can potentially support the same or different processes. Here, we developed a new community-wide scan (CWS) approach, analogous to the genome-wide scan, to identify fish species that significantly contribute,...

On the Welfare Effects of Credit Arrangements

Jonathan Chiu, Mei Dong & Enchuan Shao
This paper studies the welfare effects of different credit arrangements and how these effects depend on the trading mechanism and inflation. In a competitive market, a deviation from the Friedman rule is always sub-optimal. Moreover, credit arrangements can be welfare-reducing, because increased consumption by credit users will drive up the price level so that money users have to reduce consumption when facing a binding liquidity restraint. By adopting an optimal trading mechanism, however, these welfare...

Microstructural Investigation and Wear Characteristics of Al-Si-Ti Cast Alloys

Akeel Dhahir SUBHI, Ali Abbar KHLEIF & Qasim Saad ABDUL-WAHID
Hypoeutectic Al-7Si alloys containing various titanium proportions (0.8–1.6%) were produced and analyzed in this work. The wear characteristics of Al-Si alloys were studied under the conditions of dry sliding at various applied loads. Optical microscope (OM), scanning electron microscopy (SEM) and X-ray diffraction (XRD) were used to depict the microstructure, worn surface and phases, respectively. Phases of α-Al, eutectic and Ti9Al23 were recognized in the Al-Si-Ti alloys matrix. Considerable coarsening took place in α-Al and...

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