{"id":5044,"date":"2023-09-06T13:35:15","date_gmt":"2023-09-06T11:35:15","guid":{"rendered":"https:\/\/www.toxmate.fr\/?p=5044"},"modified":"2023-09-19T17:13:16","modified_gmt":"2023-09-19T15:13:16","slug":"utilisation-dorganismes-sentinelles-pour-la-surveillance-des-pics-de-micropolluants-dans-les-step","status":"publish","type":"post","link":"https:\/\/www.toxmate.fr\/en\/utilisation-dorganismes-sentinelles-pour-la-surveillance-des-pics-de-micropolluants-dans-les-step\/","title":{"rendered":"Using sentinel organisms to monitor micropollutant peaks at WWTPs"},"content":{"rendered":"<p> <strong>A scientific publication demonstrates the relevance of using sentinel organisms to monitor micropollutant peaks in WWTPs, thanks to the ToxMate bio-detection station.<\/strong><\/p>\n\n\n\n<p>Some\nmicropollutants are regularly found in the discharges from wastewater\nwastewater treatment plants (WWTPs). However, conventional\nconventional sampling methods fail to identify their temporal\ntemporal variations, dynamics and load variability.<\/p>\n\n\n\n<p>However, the release of micropollutants in effluents is highly transient, leading to\nhighly transient in nature, with concentration peaks of short or even\nshort or even very short durations, which calls for complementary\nmonitoring approaches.<\/p>\n\n\n\n<p>In this context, the behavior of living organisms is proving to be\necotoxicological indicator, offering rapid responses to\nto contaminant exposure at sublethal doses.\nAvoidance is an already well-studied behavior in certain species\nspecies in response to contamination, making it a potentially suitable\npotentially suitable choice for a non-targeted monitoring approach\nmonitoring of intermittent peaks of micropollutants in WWTPs. However,\nit is essential that the method is robust and reproducible,\ngiven the complexity and ever-changing nature of WWTP outputs.\nof WWTP outputs.<\/p>\n\n\n\n<p>The aim of this study is to develop a biotest\nusing the avoidance behavior of gammarids to detect intermittent\nintermittent spikes in micropollutant discharges, suitable for monitoring\nmonitoring of WWTP effluents.<\/p>\n\n\n\n<p>The article begins by detailing the methods used to achieve\nactivity of invertebrates, then presents the results of exposing\nexposure of gammarids (Gammarus fossarum) to peaks of two different\npeaks of two different micropollutants, copper (an inorganic heavy\n(inorganic heavy metal) and methomyl (organic pesticide) under various\nconditions, including long-term monitoring of sewage plant effluents.\neffluents. The organisms used in the experiments\nexperiments are collected from an unpolluted site in the Rh\u00f4ne basin\nbasin in France, and undergo a three-week acclimatization phase under\nunder controlled laboratory conditions. Behavioral\nmeasurements are carried out using ToxMate technology\nToxMate technology, which enables the individual avoidance of\norganisms exposed to micropollutants. ToxMate technology has been\nadapted for industrial use, enabling on-line\non-line monitoring of wastewater treatment plant effluents.<\/p>\n\n\n\n<p>The results\ngammarids showed an immediate increase in activity in response\ntheir activity in response to the presence of copper, indicating an\navoidance behavior. Statistical analyses were\nperformed to assess gammarids' sensitivity to micropollutants\nmicropollutants and showed sustained avoidance responses.<\/p>\n\n\n\n<p>In conclusion, this study shows that gammarids can be used as sentinel organisms to monitor micropollutant peaks in wastewater treatment plants. The proposed minimum activity model enables consistent and reproducible avoidance responses. The results highlighted the suitability of this approach with the Toxmate biomonitoring station for detecting contaminant dynamics in real time over long periods.<\/p>\n\n\n\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link\" href=\"http:\/\/support.viewpoint.fr\/download\/upload_tox\/Avoidance_behaviour_of_aquatic_macroinvertebrates_for_real_time_detection_of_micropollutant_surge_in_wastewater_effluents.pdf\">Consult the study<\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>A scientific publication demonstrates the relevance of using sentinel organisms to monitor micropollutant peaks in WWTPs, thanks to the ToxMate bio-detection station.<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[11,9],"tags":[],"class_list":["post-5044","post","type-post","status-publish","format-standard","hentry","category-biosurveillance","category-tout-savoir-sur"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.toxmate.fr\/en\/wp-json\/wp\/v2\/posts\/5044","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.toxmate.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.toxmate.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.toxmate.fr\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.toxmate.fr\/en\/wp-json\/wp\/v2\/comments?post=5044"}],"version-history":[{"count":4,"href":"https:\/\/www.toxmate.fr\/en\/wp-json\/wp\/v2\/posts\/5044\/revisions"}],"predecessor-version":[{"id":5062,"href":"https:\/\/www.toxmate.fr\/en\/wp-json\/wp\/v2\/posts\/5044\/revisions\/5062"}],"wp:attachment":[{"href":"https:\/\/www.toxmate.fr\/en\/wp-json\/wp\/v2\/media?parent=5044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.toxmate.fr\/en\/wp-json\/wp\/v2\/categories?post=5044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.toxmate.fr\/en\/wp-json\/wp\/v2\/tags?post=5044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}