Jean-Luc Boudenne

Aix-Marseille Université | AMU · Laboratoire de Chimie de l'Environnement (UMR7376 LCE)

Photodegradation can play a key role in litter decomposition under the context of climate change which hinders organic matter turnover because of available water scarcity. Here, we aimed at testing the effect of a two-month sunlight exposure with different radiation intensities (either in winter or summer) on the chemical signature of two typical M...

The detection of explosives is of paramount importance in the areas of internal security and military activities. Tracking down clandestine laboratories manufacturing homemade explosives, and in particular those made from organic peroxides (triacetone triperoxide TATP, methyl ethyl ketone peroxide MEKP, hexamethylene triperoxide diamine HMTD), is a...

Disinfecting swimming pool water is essential for preventing waterborne diseases. An unforeseen consequence of treating water with disinfectants is the formation of disinfection by-products (DPBs) that can cause harmful effects to health through the interactions between the added disinfectant and organic matter in the water. The present work focuse...

2,4,6-tribromophenol (TBP) is implied in the production of brominated flame retardants but is also a major chlorination by-product in seawater. A growing number of studies indicate that TBP is highly toxic to the marine biota, but the contribution of anthropogenic sources among natural production is still under question concerning its bioaccumulati...

Poster on the results obtained during my first year of PhD in analytical chemistry on the subject "Detection of gomemade peroxide-based explosives and their main precursors in wastewater based on spectroscopic methods" Poster presented during the EuChemS Chemistry Congress (ECC) in Lisbon, 2022

Oxidative treatment of seawater in coastal and shipboard installations is applied to control biofouling and/or minimize the input of noxious or invasive species into the marine environment. This treatment allows a safe and efficient operation of industrial installations and helps to protect human health from infectious diseases and to maintain the...

A new microplate analytical procedure is described for the determination of nickel (Ni²⁺) ions in natural water samples. A lophine analogue fluorescent sensor was synthesized and a spectral study showed a selective fluorescence quenching effect of chemical sensor by Ni²⁺ under optimized conditions. Density functional theory (DFT) calculations confi...

This paper presents the development and the application of a multisyringe flow injection analysis system for the fluorimetric determination of the major heat-stable known allergen in shrimp, rPen a 1 (tropomyosin). This muscle protein, made up of 284 amino acids, is the main allergen in crustaceans and can be hydrolyzed by microwave in hydrochloric...

Chromatographic development for the determination of pharmaceuticals in environmental water samples is particularly challenging when the analytes have significantly different physico-chemical properties (solubility, polarity, pKa) often requiring multiple chromatographic methods for each active component. This paper presents a method for the simult...

Analysis of inorganic chloramines in waters is of particular interest in the field of drinking waters as they are at the origin of many others disinfection by-products (DBPs). They are formed when free chlorine reacts with nitrogen containing substances present in chlorinated water sources. Their presence is generally unwanted (except for monochlor...

A new procedure is described for the determination of Hg²⁺ ions in water samples. A Rhodamine based fluorescent sensor was synthesized and the experimental conditions were specifically optimized for application to environmental samples, which requires low detection limits and high selectivity in competitive experiments with realistic concentrations...

This study explores how chemical and microbial properties of litters can be affected by coastal environments across the Mediterranean basin. A litterbag experiment including Pinus halepensis Mill. and Pistacia lentiscus L., collected from both inland and coastal areas was set up in France, Greece and Algeria. Control litterbags were left in their s...

This study highlights the trace metal and metalloid (TMM) accumulation in Rosmarinus officinalis L. and its chemical responses when exposed to high levels of contamination. R. officinalis individuals growing along a gradient of mixed TMM soil pollution, resulting from past industrial activities, were analysed. Several plant secondary metabolites, k...

In order to assess the release of UV filters from the sunscreen used by beachgoers into seawater within the bathing zone, a field campaign was carried out during the summer of 2017 at three beaches in Marseille, along the French Mediterranean coast. A social survey analyzed beachgoer attendance, the quantities and types of suncare products used and...

Le projet de recherche MATRICE intègre une démarche géostatistique dans l’analyse des données collectées et leur traitement pour conduire au mieux une campagne de reconnaissance selon un objectif souhaité. Pour répondre à cette problématique, une démarche a été définie à partir des résultats du projet REPERAGE et des outils logiciels ont été dévelo...

Inorganic chloramines are disinfection by-products resulting from the unwanted reaction between chlorine used as disinfectant in swimming pools and nitrogenous compounds brought by bathers. This parameter (total chloramines or combined chlorine) is currently measured on site by a colorimetric method that does not allow to measure only inorganic chl...

Water chlorination is the most widely used technique to avoid microbial contamination and biofouling. Adding chlorine to bromide-rich waters leads to the rapid oxidation of bromide ions and leads to the formation of brominated disinfection by-products (bromo-DBPs) that exert adverse effects on various biological models. Bromo-DBPs are regularly enc...

3D printing technology is increasingly used in flow analysis, to develop low cost and tailor-made devices. The possibility of grafting specific molecules onto 3D printed parts offers new perspectives for the development of flow systems. In this study, a MPFS system including a dicarboxylate 1,5-diphenyl-3-thiocarbazone grafted 3D-printed device has...

The mutagenicity of four organic UV filters namely oxybenzone (benzophenone-3), dioxybenzone (benzophenone-8), avobenzone, and octyl methoxycinnamate, in chlorinated bromide-rich water (artificial seawater) was investigated. Mutagenicity was evaluated using Ames test in Salmonella typhimurium TA98 without S9 mix. Chemical analysis using high-resolu...

In this paper, a new thin-layer chromatography (TLC) method for the determination of individual volatile fatty acids (VFA) is presented. The experimental procedure is based on the derivatization of VFA with activating agents and a naphthalene-based amine to form an amide derivative, followed by fast TLC separation of these VFA derivatives and visua...

Presentation of the MATRICE research project: Méthodes Analytiques de Terrain alteRnatives de gestIon des sols ContaminEs

The spatial distribution patterns, origins and environmental and health risks of metal trace elements (As, Cd, Co, Cr, Cu, Ni, Pb, Zn) have been evaluated through spiking and analysis of 84 soil samples in the region of Arzew (Algeria). This city has one of the biggest petroleum harbours of Algeria and in the same platform several industries, coexi...

Sunscreens are of emerging concern regarding both human and environmental health. While TiO2 nanoparticles used as UV-blockers may offer a safer alternative to organic filters, their fate and impact and resulting regulation are still under consideration, largely related to the potential risk of nanotechnology-based products. After leaving the skin...

Chlorination of seawater is one of the most effective technologies for industrial biofouling control. However, chlorination leads to the formation of halogenated chlorination byproducts (CBPs) associated with potential risks to environmental and human health. The present study investigated the occurrence and distribution of CBPs in the Gulf of Fos,...

In recent years, the development of 3D printing in flow analysis has allowed the creation of new systems with various applications. Up to now, 3D printing was mainly used for the manufacture of small units such as flow detection cells, preconcentration units or mixing systems. In the present study, a new 3D printed lab-on-valve system was developed...

In this paper, a new spectrofluorimetric method for the determination of nitrate in aqueous compost extracts is presented. The microplate procedure is based on the reduction of nitrate to ammonium by means of Zn powder under acidic conditions and the following derivatization of ammonium with o-phthalaldehyde (OPA) and N-acetylcysteine (NAC) to give...

Organic ultraviolet (UV) filters are used in sunscreens and other personal-care products to protect against harmful effects of exposure to UV solar radiation. Little is known about the fate of UV filters in seawater swimming pools disinfected with chlorine. The present study investigated the occurrence and fate of five commonly used organic UV filt...

In this paper, an improved spectrofluorimetric method for the simultaneous and direct determination of ammonium and primary amine compounds is presented. The method is based on the derivatization of the analytes with o-phthaldialdehyde (OPA)/N-acetylcysteine (NAC) reagent using high throughput microplates, and OPA/NAC ratio has been optimized in or...

Several brominated disinfection by-products (DBPs) are formed in chlorinated seawater pools, due to the high concentration of bromide in seawater. UV irradiation is increasingly employed in freshwater pools, because UV treatment photodegrades harmful chloramines. However, in freshwater pools it has been reported that post-UV chlorination promotes t...

Highlights • UV treatment increased the reactivity of seawater pool water towards chlorine • UV treatment reduces haloacetic acid concentrations after re-chlorination • Post-UV chlorination increases trihalomethane and haloacetonitrile concentrations • Increase in concentrations predicts higher toxicity after single UV treatment and chlorination

Water and air quality of eight seawater swimming pools using chlorine disinfection was measured during four sampling campaigns, spread on one full-year, and in four thalassotherapy centers located in Southeast of France. Concentrations of trihalomethanes (THMs) in air and in water as well as concentrations of parameters, including nonpurgeable orga...

The development of 3D printing in recent years opens up a vast array of possibilities in the field of flow analysis. In the present study, a new 3D-printed flow system has been developed for the selective spectrophotometric determination of lead in natural waters. This system was composed of three 3D-printed units (sample treatment, mixing coil and...

An undesirable consequence of disinfection is the formation of chemical contaminants known as disinfection byproducts (DBPs). Chronic exposure to DBPs has been linked to adverse health effects. The occurrence of DBPs in chlorinated pools filled with seawater (such as thalassotherapy pools and pools in spas) has received little attention so far. The...

The present paper reports the development and the application of a microplate assay for the fast and individual determination of thiols and sulfides. The method is based on the reaction of ethyl propiolate with thiols and sulfides, yielding thioacrylates absorbing in the UV range. Thioacrylate generated by derivation of sulfide with EP presents a b...

Disinfection treatments are critical to conserve the microbiological quality of swimming pool water and to prevent water-borne infections. The formation of disinfection byproducts (DBPs) in swimming pools is an undesirable consequence resulting from reactions of disinfectants (e.g. chlorine) with organic and inorganic matter present in pool water,...

Water disinfection treatments result in the formation of disinfection byproducts (DBPs) that have been linked to adverse human health outcomes including higher incidence of bladder and colorectal cancer. However, data about the genotoxicity of DBPs is limited to only a small fraction of compounds. Chloral hydrate (CH) and bromal hydrate (BH) are tw...

Exposure to disinfection byproducts (DBPs) in swimming pools has been linked to adverse health effects. Numerous DBPs that occur in swimming pools are genotoxic and carcinogenic. This toxicity is of a greater concern in the case of brominated DBPs that have been shown to have substantially greater toxicities than their chlorinated analogues. In chl...

This paper aims to improve the understanding of organic amendments distribution on different fractions of soil organic matter (SOM) and the knowledge of processes controlling the temporal evolution of organic matter (OM) in the first layer of a calcareous soil of two adjacent plots, one control and one treated with 3 kg m− 2 of organic amendment. A...

Avis de l’Anses Rapport d’expertise collective - Février 2013

Anaerobic digestion of organic wastes, wastewaters or sewage sludges has gained considerable importance in recent decades, mainly because of its efficiency and possible energy recovery through biogas production. During acidogenesis phase the organic material is hydrolyzed: the long polymer chains of carbohydrates, fats and proteins are broken down...

In this paper, a new spectrofluorimetric method is proposed for the fast, simple and accurate determination of trace resorcinol in the microplate format (high-throughput screening). The analytical method is based on the formation of a coumarin derivative with methylacetoacetate via a Pechmann condensation reaction. Experimental conditions have been...

Despite the growth in the sector of thalassotherapy where pools are filled with seawater and disinfectants are added, no data about the genotoxicity of water in these pools have been reported. In the present study, a comparison was established between seawater swimming pools of two thalassotherapy centers and a freshwater swimming pool. This compar...

Oxybenzone (or BP-3) represents one of the most commonly used UV filters and has already been reported to be found in swimming pools. Its reactivity has never been studied in seawater swimming pool. Its reactivity and its transformation by-products have been studied at the lab-scale by varying chlorine levels and temperature.

A subject of the invention is a kit for the identification, characterization and quantification by a single detection of the carboxylic, thiol and amine functional groups contained in a sample.

Traditionnellement épandu, le lisier de porc (mélange boueux composé d'urines, de fèces et de restes alimentaires) voit aujourd'hui sa gestion évoluer d'un point de vue réglementaire. Au départ utilisé comme une matière fertilisante riche en azote et en phosphore, le lisier est aujourd'hui géré comme un déchet compte tenu des volumes produits par r...

This paper presents a simple, accurate and multi-sample method for the determination of proline in wines thanks to a 96-well microplate technique. Proline is the most abundant amino acid in wine and is an important parameter related to wine characteristics or maturation processes of grape. In the current study, an improved application of the genera...

This paper describes an investigation of linear alkylbenzene sulfonates (LAS) and nonylphenol ethoxylates (NPEO) and their metabolites in the vicinity of the Marseille sewage outfall (wastewater treatment plant with a capacity of 1.860 million inhabitant equivalents, Northwestern Mediterranean, southeast of France). This analytical survey describes...

Due to the dangerousness of brominated-THMs and HAAs for human being (more carcinogen than chlorinated-THMs and HAAs) and the absence of legislation concerning these compounds into seawater swimming pools, it appeared essential in a first time to better know the range of concentrations that we can find in these atypical basins to be able to assess...

In this paper, a new multisyringe chromatography (MSC) system is proposed for a simple and accurate measurement of individual volatile fatty acids (VFA) in anaerobic treatment processes. The determination method is based on the derivatization of VFA with N-(1-naphthyl) ethylenediamine (EDAN) followed by the separation of VFA derivatives on an Onyx...

Water disinfection technologies based on ultraviolet (UV) radiations emitted by Light-Emitting Diodes (LED), as a wastewater tertiary treatment, have been shown to be promising for water reuse. Here, we assessed the fate of two ubiquitous pollutants, carbamazepine and anthracene, in soil watered with either UV-LED treated wastewaters or irrigation...

The trace metal pollutants transferred in the freshwater systems can be found, in the water and sedimentary columns, under dissolved forms and fixed onto solid particles. These latter ones can be accumulated in the sedimentary areas and constitute important stocks of pollutants. Then, the management of the quality of these systems requires to asses...

In the Mediterranean area, surface waters often have low discharge or renewal, hence metal and organic contamination from industrialised catchments can have high negative impacts on the physico-chemical and biological water qualities. It is therefore necessary to provide an integrative approach for prevention and control of industrial pollution, in...

The development of new technologies for water recycling is a priority for arid and semi-arid countries such as those of the Mediterranean basin. The aim of this study was to test the efficiency of UV-A and UV-C light emitting diodes (UV-LEDs) on bacteria inactivation. We used Escherichia coli and Enterococcus faecalis, bioin-dicators of fecal pollu...

Advanced oxidation processes based on UV radiations have been shown to be a promising wastewater disinfection technology. The UV-LED system involves innovative materials and could be an advantageous alternative to mercury-vapor lamps. The use of the UV-LED system results in good water quality meeting the legislative requirements relating to wastewa...

The scarcity of good quality water in arid and semi-arid areas lead to the development of new techniques to reuse wastewater for irrigation. The advanced oxidation processes represent a promising alternative and are mainly involved ultraviolet (UV). UV rays are emitted by mercury vapour lamps which have many disadvantages (heating time, lifespan, s...

Wastewater reuse for irrigation is an interesting alternative for many Mediterranean countries suffering from water shortages. The development of new technologies for water recycling is a priority for these countries. In this study we test the efficiency of UV-LEDs (Ultraviolet-Light-Emitting Diodes) emitting UV-A or UV-C radiations, used alone or...

The development of new technologies for water recycling is a priority for arid and semi-arid countries such as those of the Mediterranean basin. The aim of this study was to test the efficiency of UV-A and UV-C light emitting diodes (UV-LEDs) on bacteria inactivation. We used Escherichia coli and Enterococcus faecalis, bioindicators of fecal pollut...

This paper presents a simple, accurate and multi-sample method for the determination of volatile fatty acids (VFAs) thanks to a 96-well microplate technique. A procedure using an activating reagent of the carboxylic function (water-soluble carbodiimide EDC) and a fluorescent amino labeling reagent (N-(1-naphthyl)ethylenediamine, EDAN) allows the fo...

Despite evidence of formation of brominated compounds in seawater swimming pools treated with chlorine, no data about exposure levels to these compounds have been reported. To address this issue, a survey has been carried out in four establishments (representing 8 pools) fed with seawater and devoted to relaxing and cure treatments (thalassotherapy...