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Seasonal occurrence and distribution of microplastics in four different benthic suspension feeders from an Integrated Multi-Trophic Aquaculture (IMTA) facility: A bioremediation perspective.
Mar Pollut Bull
October 2024
Department of Biological and Environmental Science and Technology, University of Salento, Lecce, Italy; CoNISMa Consorzio Nazionale Interuniversitario per le Scienze del Mare, Rome, Italy; Institute of Marine Sciences (LABOMAR), Federal University of Ceará, Av. Abolicao 230, Fortaleza 60440-900, Brazil.
Microplastics (MPs) are dangerous and ubiquitous in the environment. The urgency to contrast plastic pollution is prompting the scientific community to offer new proposals. Recently, bioremediation using filter feeders is gaining consent as a nature-based solution.
View Article and Find Full Text PDFWalruses on the Dnieper: new evidence for the intercontinental trade of Greenlandic ivory in the Middle Ages.
Proc Biol Sci
April 2022
Centre for Ecological and Evolutionary Synthesis, Department of Biosciences, University of Oslo, PO Box 1066, Blindern, 0316 Oslo, Norway.
Mediaeval walrus hunting in Iceland and Greenland-driven by Western European demand for ivory and walrus hide ropes-has been identified as an important pre-modern example of ecological globalization. By contrast, the main origin of walrus ivory destined for eastern European markets, and then onward trade to Asia, is assumed to have been Arctic Russia. Here, we investigate the geographical origin of nine twelfth-century CE walrus specimens discovered in Kyiv, Ukraine-combining archaeological typology (based on assessment), ancient DNA (aDNA) and stable isotope analysis.
View Article and Find Full Text PDFDosimetric validation of the Theragenics AgX-100® I-125 seed for ROPES eye plaque brachytherapy.
Australas Phys Eng Sci Med
June 2019
Nelune Comprehensive Cancer Centre, Prince of Wales Hospital, Sydney, Australia.
With the discontinued distribution of the I-125 Oncura Onco seed (model 6711), the Theragenics AgX100® I-125 seeds were considered as a suitable alternative for eye plaque brachytherapy as their physical properties matched the requirements for use with the ROPES eye plaques. The purpose of this study aims at validating the dosimetry of the AgX-100 loaded ROPES plaques (11 mm diameter, 15 mm diameter with flange, 15 mm diameter with notch, 18 mm diameter) and assess the differences with the discontinued I-125 6711 model. To independently verify the plaque dosimetry, the brachytherapy module of RADCALC® version 6.
View Article and Find Full Text PDFNovel application of 3D printing in brachytherapy using MED610 3D printed insert for I-125 ROPES eye plaque.
Australas Phys Eng Sci Med
December 2016
Radiation Oncology Mater Centre, Princess Alexandra Hospital, South Brisbane, QLD, 4101, Australia.
The purpose of this study was to evaluate if MED610 3D printed material can be used as a surrogate for acrylic in the manufacturing of a replacement insert used in an eye plaque brachytherapy applicator. Measurement of the dose distributions from a standard acrylic insert were compared with dose obtained from MED610 3D printed replica using GafChromic EBT3 films. The study used a 15 mm Radiation Oncology Physics and Engineering Services, Australia (ROPES) type eye plaque applicator loaded with I-125 (model 6711) seeds.
View Article and Find Full Text PDFI-125 ROPES eye plaque dosimetry: validation of a commercial 3D ophthalmic brachytherapy treatment planning system and independent dose calculation software with GafChromic® EBT3 films.
Med Phys
December 2013
Department of Radiation Oncology, Prince of Wales Hospital, Randwick, NSW 2031, Australia.
Purpose: The purpose of this study was to measure the dose distributions for different Radiation Oncology Physics and Engineering Services, Australia (ROPES) type eye plaques loaded with I-125 (model 6711) seeds using GafChromic(®) EBT3 films, in order to verify the dose distributions in the Plaque Simulator™ (PS) ophthalmic 3D treatment planning system. The brachytherapy module of RADCALC(®) was used to independently check the dose distributions calculated by PS. Correction factors were derived from the measured data to be used in PS to account for the effect of the stainless steel ROPES plaque backing on the 3D dose distribution.
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