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Welcome to the February issue of EVISA's Speciation Newsletter.
The speciation of elements cannot be described as a static picture but has to be described as a dynamic distribution pattern. In this sense, a speciation result is always only a snapshot of the momentary situation. Living systems make use of metabolic reactions in order to control concentrations of the elemental species and to adjust them to the needs of the organism. Especially for the handling of toxic metal species, two different biological compounds have been discussed that are involved in detoxification: metallothioneins in animals and phytochelatins in plants. New research indicated that such differentiation may not be the whole picture (see the news below).
In a more global scale, elemental species are transported across environmental compartments by processes summarized under the heading "biogeochemical cycling". Volatilization is an often underestimated pathway and new research results indicate that the rates in which gaseous selenium, sulfur and arsenic are released from an alpine peat bog are considerable (see the news below).
Microbial activity in soils is one factor of such biogeochemical cycling. A research group from China could show that more than 96% of roxarsone added in chicken feed and applied to soil via chicken manure was degraded and
converted to higher toxic As forms such as arsenite, mono- methylarsonic acid, dimethylarsinic acid,
arsenate, 4-hydroxyphenylarsonic acid and other unknown As species. They could also show that these species transformation increased arsenic uptake of vegetables and via the food chain human exposure to arsenic (see the news below).
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NEWS
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EVISA is keeping you updated with what is going on in speciation analysis. In this section you will find news about the most current research results, about trends, legal issues and informations from manufacturers in the field of speciation analysis.
With all the links to further information and publications the News archive is a valuable collection of "hot topics" in speciation analysis. We continuously update even former news with new links and information so that all news are actual all the time.
Roxarsone and it metabolites in organic fertilizer lead to human exposure to arsenic
A new study from a group of chinese researchers shows that chicken manure bearing roxarsone and its metabolites increased arsenic uptake of vegetables and via the food chain human exposure to arsenic.
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Natural wetlands contribute significantly to elemental cycling by volatilization
A new study that was carried out at Eawag in cooperation with four other research institutes shows that the rates in which gaseous selenium, sulfur and arsenic are released from an alpine peat bog are considerable.
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The Role of Phytochelatins for Metal Detoxification in Animals
There is growing evidence that phytochelatins may be important for metal detoxifications not only in plants but also in many different animal species.
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Bruker introduces new Bruker Advance HPLC for ICP-MS
During the Winter Conference on Plasma Spectrochemistry (Amelia Island, Florida, January 6 – 11, 2014) Bruker showcased a new ultra-sensitive speciation solution: Bruker’s new Advance HPLC in combination with the ultra-sensitive aurora Elite ICP-MS redefines detection limits for speciation analysis.
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EVENTS
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With a list of about 50 current entries EVISA is informing you about interesting events and keeps you updated with their deadlines. By consulting our list of deadlines you won't miss the opportunity for early registration at reduced fee or the chance to submit your contribution in time.  more infos...HPLC 2014, International Symposium on High Performance Liquid Phase Separations and Related Techniques
Date: May 11,2014 - May 15,2014
Location: New Orleans, USA
December 16,2013 Abstract deadline for oral and poster presentations
February 28,2014 Early registration at reduced rate
March 24,2014 Final abstract deadline to submit for poster presentation
March 24,2014 Registration deadline for authors presenting lectures and posters
ISEAC38: The 38th International Symposium on Environmental Analytical Chemistry
Date: June 17,2014 - June 20,2014
Location: Lausanne, Switzerland
March 17,2014 Submission of abstracts
April 1,2014 Early registration at reduced fee
Please do not hesitate to inform us in case that your conference related to speciation analysis is missing in our Agenda.
PittCon 2014: 43th Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy
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Chicago, IL, United States
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Date:
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02.03.2014 - 07.03.2014
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ESAS 2014: European Symposium on Atomic Spectrometry / 15th Czech -Slovak Spectroscopic Conference
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Location:
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Prague, Czech Republic
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Date:
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16.03.2014 - 21.03.2014
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Analytica 2014 – 24th International Trade Fair for Laboratory Technology, Analysis, Biotechnology and Analytica Conference
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Location:
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Munich, Germany
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Date:
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01.04.2014 - 04.04.2014
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TEF-5: 5th International IUPAC Symposium for Trace Elements in Food
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Location:
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Copenhagen, Denmark
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Date:
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06.05.2014 - 09.05.2014
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17th Radiochemical Conference
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Location:
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Marianske Lazne, Czech Republic
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Date:
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11.05.2014 - 16.05.2014
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HPLC 2014, International Symposium on High Performance Liquid Phase Separations and Related Techniques
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Location:
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New Orleans, USA
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Date:
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11.05.2014 - 15.05.2014
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VACANCIES
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EVISA provides information about open positions for Ph.D. students, PostDocs and permanent staff in the field of speciation. Looking to fill a vacancy or needing a new career challenge? Either way this service is FREE. Many laboratories and research facilities (from Greenland to Crete) have already found their highly educated stuff through this service by EVISA. If you would like to post an open position here, please contact us at info@speciation.net !
Doctorates
Postdoctoral
Other
Umweltbundesamt, Wien: ExpertIn für Umweltanalytik
als Karenzvertretung zur Umsetzung umweltbezogener Analytik-Projekte
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DIRECTORY
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EVISA's directory of scientist is a versatile tool to facilitate contact with scientists in the field of speciation and related sciences. The directory is fully searchable for names, addresses, research topics etc. You should bookmark this directory as an always up-to-date address book. (In order to hinder SPAM robots for collecting the E-mail accounts, we hide them in a special format).
More than 280 active scientists in the field of speciation analysis already joined the directory. Join this great directory that is extensively linked to all type of other information on this site, such as homepages, conferences and literature.
If your entry is still missing in this directory, please contact us at info@speciation.net.
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LINKS
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EVISA provides an easy access to external information. Our database contains more than 2700 links to relevant information from numerous top scientific resources spread over the whole Web. The database is searchable both via full-text and categories such as elements, type of species and type of information. We are permanently updating our links section.
If your web site is missing here, please e-mail your link information to info@speciation.net.
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This issue of evisa's Speciation Newsletter has been sent to you by EVISA, because you have registered for this service. If you would like to modify your user account, please log-in on EVISA's web portal at http://www.speciation.net with your username and password and edit your user account.
Please feel free to pass this Speciation Newsletter to others who may benefit from EVISA. If you have any contributions or suggestions, please send these to editors@speciation.net.
This is a post-only e-mail. Please do not reply to this message. For all inquiries, problems or suggestions regarding this service, please visit http://www.speciation.net or contact info@speciation.net
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Copyright 2014 EVISA
All rights reserved. Any unauthorized use, reproduction, or transfer of this message or its contents, in any medium, is strictly prohibited. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written permission of EVISA.
Disclaimer
No responsibility is assumed by the publisher for any injury and/or damage to persons or property as a matter of products liability, negligence or otherwise, or from any use or operation of any methods, products, instructions or ideas contained in the material herein. The Newsletter represents only the opinion of the authors and does not necessarily reflect the opinion of the European Community. The European Community is not responsible for any use that might be made of the information provided.
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