SEGH Articles

The SEGH 2016 conference was a great success!!

26 January 2017
SEGH Brussels
 
110 delegates from 22 countries attended the meeting. Amongst them, 34 students actively participated, whom 5 received an EAG grant (covering the registration fee). 114 abstracts were reviewed by the scientific committee and accepted after potential corrections. The scientific programme was intense, including 59 talks and 55 posters. 
 
Four keynote speakers were invited: Prof. Reto Gieré from University of Pennsylvania (USA) , Prof. Montserrat Filella from Université de Genève (Switzerland), Prof. Elijah Petersen from NIST (USA), Prof. Vincent Balter from Ecole Normale Supérieure de Lyon (France) covering a large range of subjects like : Assessment of environmental and health impacts of airborne particulate matter;Nanoparticle reference materials; Criticity of trace elements in the current and future environments; Cancer-driven (Cu, Zn) isotopic fractionation.
A field-trip organized in the Liège's area ended the conference: the visit of the peat bogs from the Hautes-Fagnes - precious archives of the atmospheric deposits through the Holocene, was followed by the visit of the slag heaps surrounding Liège, which record a strong fingerprint of the metallurgical industries but currently develop a natural new ecosystem with specific metal-tolerant plants.
 
Three awards were distributed at the end of the event to: 
- Sebastiaan van de Velde (SEGH Best Oral)
- Alice Jarosikova (SEGH Best Poster)
- T. Gabriel Enge (Malcolm Brown Award for outstanding young scientist)
 
See the SEGH website  http://segh.net/home/ for more details and articles on the works performed by the SEGH 2016 young scientist medalists.
 
The city of Brussels was extremely welcoming with a sunny weather and the conference venue was a convivial open space where delegates have deeply appreciated to lunch, discover Belgian beers, and overall initiate lively scientific discussions. 
 
In summary, the SEGH 2016 conference in Brussels has reached its initial objectives and even exceeded them; this annual conference provided a real scientific platform of high-quality for exchanges between complementary environment and health related disciplines: geochemistry, ecotoxicology, earth sciences, medicine, epidemiology, laboratory technologies and methodologies.
 
This would not have been possible without the organisation team from ULB (Université Libre de Bruxelles) and the precious contributions from all the participants. Thank you very much to all delegates!
 
Looking forward to seeing you in China in 2017.
 
Nadine Mattielli.
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Latest on-line papers from the SEGH journal: Environmental Geochemistry and Health

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    Abstract

    This study aims to determine the status of potentially toxic element concentrations of road dust in a medium-sized city (Rawang, Malaysia). This study adopts source identification via enrichment factor, Pearson correlation analysis, and Fourier spectral analysis to identify sources of potentially toxic element concentrations in road dust in Rawang City, Malaysia. Health risk assessment was conducted to determine potential health risks (carcinogenic and non-carcinogenic risks) among adults and children via multiple pathways (i.e., ingestion, dermal contact, and inhalation). Mean of potentially toxic element concentrations were found in the order of Pb > Zn > Cr(IV) > Cu > Ni > Cd > As > Co. Source identification revealed that Cu, Cd, Pb, Zn, Ni, and Cr(IV) are associated with anthropogenic sources in industrial and highly populated areas in northern and southern Rawang, cement factories in southern Rawang, as well as the rapid development and population growth in northwestern Rawang, which have resulted in high traffic congestion. Cobalt, Fe, and As are related to geological background and lithologies in Rawang. Pathway orders for both carcinogenic and non-carcinogenic risks are ingestion, dermal contact, and inhalation, involving adults and children. Non-carcinogenic health risks in adults were attributed to Cr(IV), Pb, and Cd, whereas Cu, Cd, Cr(IV), Pb, and Zn were found to have non-carcinogenic health risks for children. Cd, Cr(IV), Pb, and As may induce carcinogenic risks in adults and children, and the total lifetime cancer risk values exceeded incremental lifetime.

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  • In vivo uptake of iodine from a Fucus serratus Linnaeus seaweed bath: does volatile iodine contribute? 2017-09-02

    Abstract

    Seaweed baths containing Fucus serratus Linnaeus are a rich source of iodine which has the potential to increase the urinary iodide concentration (UIC) of the bather. In this study, the range of total iodine concentration in seawater (22–105 µg L−1) and seaweed baths (808–13,734 µg L−1) was measured over 1 year. The seasonal trend shows minimum levels in summer (May–July) and maximum in winter (November–January). The bathwater pH was found to be acidic, average pH 5.9 ± 0.3. An in vivo study with 30 volunteers was undertaken to measure the UIC of 15 bathers immersed in the bath and 15 non-bathers sitting adjacent to the bath. Their UIC was analysed pre- and post-seaweed bath and corrected for creatinine concentration. The corrected UIC of the population shows an increase following the seaweed bath from a pre-treatment median of 76 µg L−1 to a post-treatment median of 95 µg L−1. The pre-treatment UIC for both groups did not indicate significant difference (p = 0.479); however, the post-treatment UIC for both did (p = 0.015) where the median bather test UIC was 86 µg L−1 and the non-bather UIC test was 105 µg L−1. Results indicate the bath has the potential to increase the UIC by a significant amount and that inhalation of volatile iodine is a more significant contributor to UIC than previously documented.