Search Results - "Child, David"
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Challenges associated with the behaviour of radioactive particles in the environment
Published in Journal of environmental radioactivity (01-06-2018)“…A series of different nuclear sources associated with the nuclear weapon and fuel cycles have contributed to the release of radioactive particles to the…”
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Comparing levoglucosan and mannosan ratios in sediments and corresponding aerosols from recent Australian fires
Published in The Science of the total environment (01-10-2024)“…The monosaccharide anhydrides levoglucosan, mannosan, and galactosan are known as ‘fire sugars’ as they are powerful proxies used to trace fire events. Despite…”
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Accelerator mass spectrometry measurements of 233U in groundwater, soil and vegetation at a legacy radioactive waste site
Published in Chemosphere (Oxford) (01-06-2024)“…Low-level radioactive wastes were disposed at the Little Forest Legacy Site (LFLS) near Sydney, Australia between 1960 and 1968. According to the disposal…”
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Radionuclides in sea turtles at the Montebello Islands former nuclear test sites: Current and historical dose rates for adults and embryos
Published in Marine pollution bulletin (01-09-2020)“…Radionuclides from 1950s weapons testing at the Montebello Islands, Western Australia, may impact sea turtle embryos incubating within eggs laid in…”
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Radioactive particles from a range of past nuclear events: Challenges posed by highly varied structure and composition
Published in The Science of the total environment (10-10-2022)“…While they have appeared only recently in earth's history, radioactive particles from anthropogenic sources are widespread in global environments and present…”
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Differentiating Fukushima and Nagasaki plutonium from global fallout using 241Pu/239Pu atom ratios: Pu vs. Cs uptake and dose to biota
Published in The Science of the total environment (01-02-2021)“…Plutonium (Pu) has been released in Japan by two very different types of nuclear events – the 2011 Fukushima accident and the 1945 detonation of a Pu-core…”
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A record of fallout 239Pu and 240Pu at World Heritage Bathurst Harbour, Tasmania, Australia
Published in Journal of environmental radioactivity (01-10-2021)“…This study presents the first measurements of anthropogenic plutonium (239Pu and 240Pu) concentrations and atom ratios (240Pu/239Pu) for Tasmania, in sediment…”
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Quantifying sources of fine sediment supplied to post-fire debris flows using fallout radionuclide tracers
Published in Geomorphology (Amsterdam, Netherlands) (15-02-2012)“…Fine sediment supply has been identified as an important factor contributing to the initiation of runoff-generated debris flows after fire. However, despite…”
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Measurement of (233)U/(234)U ratios in contaminated groundwater using alpha spectrometry
Published in Journal of environmental radioactivity (01-01-2016)“…The uranium isotope (233)U is not usually observed in alpha spectra from environmental samples due to its low natural and fallout abundance. It may be present…”
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Birth defects and anti–heat shock protein 70 antibodies in early pregnancy
Published in Cell stress & chaperones (01-03-2006)“…It has been suggested that induction of the heat shock response in the mammalian embryo during the critical period of organogenesis can result in anatomical…”
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Folate supplementation reduces serum Hsp70 levels in patients with type 2 diabetes
Published in Cell stress & chaperones (01-12-2004)“…Type 2 diabetes patients are subject to oxidative stress as a result of hyperglycemia. The aim of this study was to determine whether administration of the…”
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The medical care practitioner: Newspeak and the duping of the public
Published in British journal of general practice (01-03-2005)Get full text
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OBITUARIES: Sheila Margaret Child (née Mclean)
Published in BMJ. British medical journal (International ed.) (16-05-2009)“…An obituary for general practitioner Sheila Margaret Child, who died on March 1, is presented. Sheila became principal general practitioner in north Manchester…”
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Examining the response of an eastern Australian mangrove forest to changes in hydro-period over the last century
Published in Estuarine, coastal and shelf science (31-08-2020)“…This study examines mangrove substrate production within a mangrove basin forest in the Tweed Estuary, northern New South Wales, Australia. This is achieved…”
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Enhanced hollow cathode plasma source for assisted low pressure electron beam deposition processes
Published in Surface & coatings technology (15-04-2015)“…A self-sustaining hollow cathode plasma source has been demonstrated to operate at an order of magnitude lower deposition pressure than previously reported,…”
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Application of Accelerator Mass Spectrometry for 236U analysis
Published in Journal of nuclear science and technology (01-11-2002)“…The long-lived radioisotope 236-uranium (T 1/2 =23.4Ma) is produced predominantly by neutron capture on 235 U, building up to high levels in nuclear fuel. It…”
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Holocene climate and catchment change inferred from the geochemistry of Lashmars Lagoon, Kangaroo Island (Karti/Karta), southern Australia
Published in Palaeogeography, palaeoclimatology, palaeoecology (15-01-2024)“…We present a continuous ∼7000-year sedimentary record from Lashmars Lagoon, Kangaroo Island (Karti/Karta), southern Australia, a region heavily impacted by…”
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Using sedimentary prokaryotic communities to assess historical changes in the Gippsland Lakes
Published in Freshwater biology (01-11-2023)“…The Gippsland Lakes is the largest estuarine system in Australia. Over the last 2 centuries, this unique aquatic ecosystem has suffered substantial…”
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Holocene ecosystem change in Little Llangothlin Lagoon, Australia: implications for the management of a Ramsar-listed wetland
Published in Hydrobiologia (2017)“…We present new chironomid and stable isotope (δ 13 C and δ 15 N) data from Little Llangothlin Lagoon, Australia that provides more detail on changes in this…”
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