10 Works

ISO/IEC 17025 Guidance for IMS: Suggestions on How to Interpret and Implement the Requirements Including Examples from Accredited Laboratories

Biljana Petrovic, Henrik Roed, Raul Martín, Ana M. Romero, Panagiotis Askounis, Liam Buchanan, Francesco Rossi, Robert Bernat & Joao G. Alves
Abstract: Individual monitoring of external radiation is an activity usually regulated by national regulatory bodies in most countries. Regulations generally contain technical requirements to be met by the individual monitoring services (IMS), in order to ensure that the measurements are correct and therefore the dosimetry results are reliable. In some countries, the requirements include or even consist of the accreditation of the service according to the standard ISO/IEC 17025: “General requirements for the competence of...

Quality Assurance in Individual Monitoring for External Radiation – Results of EURADOS Survey 2012

P. J. Gilvin, J. G. Alves, C. Chesteres, J. W. E. van Dijk, M. Lehtinen, F. Rossi, B. Vekic & M. A. Chevallier
Abstract: EURADOS Working Group 2 (WG2) on Harmonization of Individual Monitoring is a network of institutions and individual monitoring services (IMSs), built up over the last 20 years, that aims to promote quality, technical excellence and good practice in Europe. In pursuit of these aims, in 2012 WG2 carried out a survey of IMSs in Europe. The survey was sent to about 170 IMS and included questions on: the use of formal quality assurance (QA)...

EURADOS Stakeholder Workshop on June 30th, 2016

Rühm Werner, Željka Knežević, Elena Fantuzzi, Roger Harrison, Helmut Schuhmacher, Filip Vanhavere, Joao Alves, Jean-Francois Bottolier-Depois, Paola Fattibene, Phil Gilvin, María Antonia Lopez, Sabine Mayer, Saveta Miljanić, Pawel Olko, Hannes Stadtmann, Rick Tanner, Arturo Vargas & Clemens Woda
Introduction: On June 30th, 2016, the “First EURADOS Stakeholder Workshop” was held at the Helmholtz Center Munich (HMGU) in Neuherberg, Germany. The workshop was jointly organized by the HMGU and the EURADOS Office in conjunction with the 57thEURADOS Council meeting, which took place on June 29thand July 1st, also at the HMGU. In the frame of the “European Joint Programme for the Integration of Radiation Protection Research”, the CONCERT project funded by the European Commission...

Patient maximum skin dose in interventional procedures in radiology and cardiology: summary of WG 12 activities

Olivera Ciraj Bjelac, Jérémie Dabin, Jad Farah, Hannu Järvinen, Francoise Malchair, Teemu Siiskonen & Željka Knežević
Abstract: Fluoroscopically guided interventional procedures in radiology (IR) and cardiology (IC) are techniques that have had wide diffusion in the last decades. Scarcely invasive, they reduce most of the risks to patients and the expenses of operating theatres. Nevertheless, prolonged exposures due, for instance, to complicated interventional procedures or inappropriate equipment may result in high doses to both patients and staff members, in particular, with potentially high radiation doses to the skinof a patient. Working...

Data from: The hidden side of a major marine biogeographic boundary: a wide mosaic hybrid zone at the Atlantic–Mediterranean divide reveals the complex interaction between natural and genetic barriers in mussels

Tahani El Ayari, Najoua Trigui El Menif, Bojan Hamer, Abigail E. Cahill & Nicolas Bierne
The Almeria-Oran Front (AOF) is a recognised hotspot of genetic differentiation in the sea. It is a barrier to dispersal and an ecological boundary, which explain the position of genetic breaks. However, the maintenance of genetic differentiation is likely reinforced by genetic barriers. A general drawback of previous studies is an insufficient density of sampling sites at the transition zone with a conspicuous lack of samples from the southern coastline. We analysed the genetic structure...

Data from: Linking disturbance and resistance to invasion via changes in biodiversity: a conceptual model and an experimental test on rocky reefs

Fabio Bulleri, Lisandro Benedetti-Cecchi, Andrej Jaklin & Ljiljana Iveša
Biological invasions threaten biodiversity worldwide. Nonetheless, a unified theory linking disturbance and resistance to invasion through a mechanistic understanding of the changes caused to biodiversity is elusive. Building on different forms of the disturbance-biodiversity relationship and on the Biotic Resistance Hypothesis (BRH), we constructed conceptual models showing that, according to the main biodiversity mechanism generating invasion resistance (complementary vs. identity effects), disturbance can either promote or hinder invasion. Following the Intermediate Disturbance Hypothesis (IDH), moderate...

Visions for Radiation Dosimetry over the Next Two Decades – Strategic Research Agenda of the European Radiation Dosimetry Group

Werner Rühm, Elena Fantuzzi, Roger Harrison, Helmut Schuhmacher, Filip Vanhavere, Joao Alves, Jean-Francois Bottolier-Depois, Paola Fattibene, Željka Knežević, María Antonia Lopez, Sabine Mayer, Saveta Miljanić, Stefan Neumaier, Pawel Olko, Hannes Stadtmann, Rick Tanner & Clemens Woda
Abstract: The European Radiation Dosimetry Group (EURADOS) comprises a self-sustainable network of more than 60 European institutions such as reference and research laboratories, dosimetry services and companies, as well as more than 300 scientists active in the field of radiation dosimetry. The aim of the network is to promote research and development and European cooperation in the field of dosimetry of ionizing radiation and its implementation in routine practice, in order to contribute to compatibility...

Dosimetry for second cancer risk estimation in radiotherapy:measurements in water phantoms

R. M. Harrison, A. Di Fulvio, J. M. Bordy, S. Miljanić, L. Stolarczyk & Ž. Knežević
Abstract: This report describes dosimetry techniques used by EURADOS Working Group 9 (Radiation Dosimetry in Radiotherapy) to measure out-of -field doses for use in radiotherapy. Several passive dosimeter types were used, based on the physical principles of thermoluminescence (TLD), optically simulated luminescence (OSL) and radiophotoluminescence (RPL), in addition to an ionization chamber used as a reference standard. Superheated drop, bubble damage and track etch detectors were used specifically for neutron measurements. In this report, doses...

Data from: Tracing the dynamics of gene transcripts after organismal death

Alexander E. Pozhitkov, Rafik Neme, Tomislav Domazet-Lošo, Brian G. Leroux, Shivani Soni, Diethard Tautz & Peter A. Noble
In life, genetic and epigenetic networks precisely coordinate the expression of genes—but in death, it is not known if gene expression diminishes gradually or abruptly stops or if specific genes and pathways are involved. We studied this by identifying mRNA transcripts that apparently increase in relative abundance after death, assessing their functions, and comparing their abundance profiles through postmortem time in two species, mouse and zebrafish. We found mRNA transcript profiles of 1063 genes became...

Data from: Characterizing aeroallergens by infrared spectroscopy of fungal spores and pollen

Boris Zimmermann, Zdenko Tkalčec, Armin Mešić & Achim Kohler
Background: Fungal spores and plant pollen cause respiratory diseases in susceptible individuals, such as asthma, allergic rhinitis and hypersensitivity pneumonitis. Aeroallergen monitoring networks are an important part of treatment strategies, but unfortunately traditional analysis is time consuming and expensive. We have explored the use of infrared spectroscopy of pollen and spores for an inexpensive and rapid characterization of aeroallergens. Methodology: The study is based on measurement of spore and pollen samples by single reflectance attenuated...

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  • Newcastle University
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  • Institute of Nuclear Physics, Polish Academy of Sciences
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