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Academic literature on the topic 'Désinfection – Sous-produits – Risques pour la santé'
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Journal articles on the topic "Désinfection – Sous-produits – Risques pour la santé"
Payment, P., and P. Hartemann. "Les contaminants de l'eau et leurs effets sur la santé." Revue des sciences de l'eau 11 (April 12, 2005): 199–210. http://dx.doi.org/10.7202/705338ar.
Full textDemars, Valérie, Mohamed Ksila, and Delphine Giaimo-Pechim. "Menthe des champs - Mentha arvensis." Hegel N° 2, no. 2 (July 11, 2024): 135–46. http://dx.doi.org/10.3917/heg.142.0135.
Full textGOURLEZ, EMMA, Fabrice BÉLINE, Jean-Yves DOURMAD, Alessandra MONTEIRO, and Francine DE QUELEN. "Rôle et impact environnemental du cuivre et du zinc en élevage porcin : de l’alimentation au retour au sol des effluents." INRAE Productions Animales 35, no. 2 (August 26, 2022): 91–108. http://dx.doi.org/10.20870/productions-animales.2022.35.2.7073.
Full textCottencin, O. "Actualités sur les nouvelles drogues de synthèse." European Psychiatry 30, S2 (November 2015): S58—S59. http://dx.doi.org/10.1016/j.eurpsy.2015.09.163.
Full textCzoli, Christine D., Camille Guertin, Daniel Dubois, Nancy Farrell, Gabriella Luongo, Gillian Williams, and Trevor Mischki. "Caractéristiques des Canadiens qui utilisent des produits de vapotage en fonction de leur usage du tabac : résultats de l’Enquête sur la santé dans les collectivités canadiennes de 2020." Promotion de la santé et prévention des maladies chroniques au Canada 44, no. 11/12 (December 2024): 512–23. http://dx.doi.org/10.24095/hpcdp.44.11/12.02f.
Full textCOULON, JB, P. LECOMTE, M. BOVAL, and J. M. PEREZ. "Introduction générale." INRAE Productions Animales 24, no. 1 (March 3, 2011): 5–8. http://dx.doi.org/10.20870/productions-animales.2011.24.1.3232.
Full textFAVERDIN, P., and C. LEROUX. "Avant-propos." INRAE Productions Animales 26, no. 2 (April 16, 2013): 71–76. http://dx.doi.org/10.20870/productions-animales.2013.26.2.3137.
Full textEssebbahi, Issam, Chadia Ouazzani, Abdallah Moustaghfir, Abdallah Dami, and Lhoussine Balouch. "Analyses physicochimiques de différents thés commerciaux et risque de l’excès de fluor chez la population au Maroc." International Journal of Biological and Chemical Sciences 14, no. 4 (August 17, 2020): 1203–13. http://dx.doi.org/10.4314/ijbcs.v14i4.4.
Full textTounsi, Gilles. "Approche Géospatiale de la Localisation des Stations-Services au Cameroun." European Scientific Journal ESJ 25 (January 31, 2024). http://dx.doi.org/10.19044/esipreprint.1.2024.p1.
Full textFedoul, Sénia, and Olivier Jacquet. "Une histoire de la qualité sanitaire des vins. Les règlementations à l'épreuve de l'expertise médicale et des pratiques œnologiques (Fin du XIXe siècle au XXIe siècle)." Territoires du vin, no. 10 (October 16, 2019). http://dx.doi.org/10.58335/territoiresduvin.1754.
Full textDissertations / Theses on the topic "Désinfection – Sous-produits – Risques pour la santé"
Dejaeger, Karlien. "Disinfection by-product formation during drinking water chlorination : identifying organic matter precursors and associated hazards." Electronic Thesis or Diss., Université de Lille (2022-....), 2024. https://pepite-depot.univ-lille.fr/ToutIDP/EDSMRE/2024/2024ULILR066.pdf.
Full textDisinfection by-products (DBPs) form when dissolved organic matter (DOM) in water reacts with disinfectants, leading to regulated compounds such as trihalomethanes (THMs) and haloacetic acids (HAAs). However, unregulated DBPs like iodinated THMs/HAAs, and nitrogenous DBPs, such as haloacetonitriles (HANs) and haloacetamides (HAMs), pose higher health risks, as studies with Chinese Hamster Ovary cells have shown. To control DBP formation in tap water, researchers focus on identifying DBP precursors by fractionating DOM using resins or membranes, though results vary widely. In this thesis, a meta-analysis compares the reactivity of DOM fractions towards (un)regulated DBPs. The meta-analysis reveals that hydrophobic compounds exhibit 10-20% higher reactivity to both THM and HAA formation compared to hydrophilic compounds in waters with high specific ultraviolet absorbance at 254nm (SUVA254 >2). In waters with low SUVA254, both hydrophobic and hydrophilic compounds have equal reactivity. However, hydrophilic compounds are 20-80% more reactive towards unregulated DBPs. Neither chlorination time nor dose alters this reactivity ratio, but an increase in column capacity factor does. Additionally, dead-end ultrafiltration membranes may not always separate fractions sharply, leading to inconsistent results for DBP formation across groups. To address this, a novel membrane fractionation method was developed. This method was first validated using a size exclusion chromatographic approach (HPSEC) to ensure reliability, considering key factors such as detection limits (19.0µgC dm-3) and the importance of preserving samples for a maximum of two weeks at 4°C. Inorganic carbon removal was achieved by acidifying the sample to pH 6 and purging it with N2. The HPSEC-TOC method proved reliable for DOM fraction analysis in both treated and untreated water sources. Using this method, DOM was separated into three molecular weight (MW) fractions: high (>20kDa), medium (0.3-20kDa), and low (<0.3kDa). A mathematical tool was developed to optimize the protocol and predict the diafiltration factor for each fraction, ensuring consistent results. The method was applied to surface water across three seasons, yielding a fraction up to 50% high MW compounds, a fraction over 80% medium MW compounds, and a fraction containing only low MW compounds. Chlorination and chloramination tests (24h, 1mgCl2 L-1 residual) on these fractions assessed the formation of THMs, HAAs, HANs, HAMs, and nitrosamines. Results showed that the medium MW fraction had the highest overall reactivity. However, the low MW fraction was highly reactive toward di-iodinated THMs, and its reactivity increased with increasing chlorine atoms in the HAA, HAN, and HAM families. The high MW fraction showed the lowest reactivity towards most DBPs, except iodoacetic acid and chloroacetonitrile. Fluorescence spectroscopy further revealed that DBP precursors' chemical properties vary by fraction and disinfection method, suggesting complex reaction mechanisms. A site-specific strategy is recommended to identify the most concerning DBPs, considering both their toxicity and concentration. Finally, the thesis explores the impact of reactive oxygen species on inflammation and oxidative stress pathways induced by HAAs and HAMs. In human colorectal adenocarcinoma (Caco-2) cells, lethal concentrations ranged from 12µM for iodoacetamide and iodoacetic acid to 47mM for dichloroacetamide. Primary intestinal epithelial cells from donors with colorectal cancer, Crohn's disease, and healthy controls were also exposed to HAAs and HAMs. HAAs triggered oxidative stress and inflammatory responses in cells adjacent to cancerous tissue, while HAMs induced these effects across all cell types. These findings suggest a potential link between DBP exposure and inflammatory bowel disease development, although further validation through RNA sequencing is needed
Legay, Christelle. "Développement de stratégies pour l'évaluation de l'exposition de la population aux sous-produits de la chloration dans l'eau potable." Thesis, Université Laval, 2010. http://www.theses.ulaval.ca/2010/26983/26983.pdf.
Full textCatto, Cyril. "Approche multidisciplinaire pour l’amélioration de l’estimation de l’exposition aux sous-produits de désinfection de l’eau en milieu domestique et en piscine." Thèse, 2012. http://hdl.handle.net/1866/8820.
Full textDisinfection of drinking and swimming pool waters disinfection is unavoidable but induces the formation of by-products (DBPs), such as trihalomethanes (THMs), haloacetic acids (HAAs) and chloramines (CAMs), that could be harmful to human health. The still challenging DBP exposure assessment prevent their suspected adverse effects (i.e., cancers, adverse pregnancy outcomes, irritations) to be clearly established. A methodology has been conceptualized which consists of integrating environmental occurrence data with physiologically based toxicokinetic (PBTK) modeling to improve DBP exposure assessment. It was designed to allow both spatial and temporal variations of the environmental contamination and the biological impacts of between- and within- individual differences to be accounted for. This thesis comprised of two parts. Each one investigates successively both environmental and biological aspects. The objective is to contribute to the development of an innovative integrated strategy and to the definition of best practices for DBP exposure assessment. The first part of the thesis, comprising papers I and II, focuses on household exposure (i.e., resulting from drinking water use at home) and on THMs, the most abundant and volatile DBPs that can be absorbed not only by ingestion but also by inhalation and dermal absorption. These two papers investigate particularly the short-term (day-to-day and within-day) variations of THM levels in the drinking water and then their impact on the internal exposure indicators. They described the amplitudes and the diversity of the environmental variations, failed to model them in a systematic and practical way for epidemiological purposes but assessed, for the first time, their impacts on the predicted biological levels which appeared quite low. The second part concerns the exposure to DBPs in swimming pool which is of a growing international interest. Only the allegedly worrying case of public indoor swimming pool was regarded. This section focuses on the feasibility of using the previously mentioned approach, which was first designed for dealing with household exposure, for DBP exposure assessment in swimming pools. First, Paper III investigated the occurrence and spatial and temporal variations of DBPs in both water and air of swimming pools to model them. Focusing on chloroform, the most abundant THM, Paper IV examined the ability and reliability of PBTK modeling to simulate various swimming pool exposure events and predict the resulting biological levels in individuals. The results show, among other things, the difficulty of explaining precisely the environmental contamination and point out the necessity to carry out a minimal in situ sampling to monitor the environmental levels of DBPs. Compared to other approaches, PBTK modeling is a powerful but still to be improved tool for predicting swimming pool exposure. Eventually, these works underline the relevance and the necessity of a multidisciplinary and integrating approach for better estimating exposure to DBPs and therefore health risks. Further issues that should be addressed are recommended.