des nanoparticules en milieu aquatique :
|
|
- Milton O’Neal’
- 6 years ago
- Views:
Transcription
1 Ecotoxicology & Health of Ecosystems Evaluation écotoxicologique des nanoparticules en milieu aquatique : cas des nanotubes de carbone Laury Gauthier, F. Mouchet, E. Flahaut & E. Pinelli Contact: laury.gauthier@univ-tlse3.fr
2 SOCIETAL CONTEXT CNTs are considered as manufactured emerging contaminants in our technological societies Exceptional physical-chemical properties ENVIRONMENTAL IMPLICATIONS Fate, transport, potential toxicity and Ecotoxicity, environmental measurements, Risk assessment, ecosystem perturbations leading to Various products Various applications SOCIAL IMPLICATIONS Ethics, regulations, research, standardization,
3 Life cycle of products Environmental concern Production releases Ageing of products ENVIRONMENTAL CONTEXT CNTs releases in the environment may come from various contamination points: Manufacturing Landfills Wastewater effluents All point sources are susceptible to contaminate the different compartments by : -Geochemical cycling -Biological functioning Wastes disposal recycling Discharge, leakage, Wastes, ground water contamination Transport dispersion Aggregation Adsorption On sediment uptake Bioconcentration excretion Ultimately, all contaminants may reach the aquatic medium and concentrate
4 Nanoparticles ecotoxicity : case of the CNTs The joint research laboratory «NAUTILE» NAnotUbes & écotoxicologie Private / public collaborative program (CNRS n ) Founding structures : Involved laboratories : GRL groupement de recherche de Lacq Main goals: - Study carbonated nanomaterials in the aquatic environment - Evaluate the potential ecotoxicological impact of CNTs in water
5 Aquatic biological models Amphibian larvae Water column ISO (2006) Algae, Diatoms Study at population community level BIOFILM Water-Sediment interface Chironomids AFNOR XT P (2004) SEDIMENT
6 AMPHIBIAN BIOASSAY PROTOCOL 1- Fertilization to obtain larvae (Stage 50 of Nieuwkoop and Faber, 1956) 2- Semi-static exposure for 12 days ISO (2006) 3- Endpoints Day 0 Day 1 Day 12 Mortality% Growth inhibition % Primary DNA damages Comet assay Negative control Comet Micronuclei Micronucleated erythrocytes DNA damages: - Primary damages (Comet measurement) -Non-repairable (MN induction)
7 Physical-Chemical Characterisation of CNTs MWNT/DWNT MWNT Synthesis Catalyst Carbon content (wt.%) Aspect Solubility Number of walls Diameter Length Specific surface area : CCVD (Catalytic Chemical Vapor Deposition) : Fe-Al2O3 / Co-Mo-MgO : > 90 / > 92 : Solid (powder) : Not soluble in water and other organic solvents : 5-15 (100% MWNTs) / 80% DWNT : nm / 1-3nm (ext) : µm / few microns : m2/g / m²/g X 100 MWNT MWNT X DWNT
8 Protocol of exposure Use of various surfactants to stabilize CNT suspensions in water [UT] protocol [UT + US] protocol GA and CMC are able to stabilize CNT (10 mg/l) suspensions in water during 24 h
9 Dispersion protocol Mechanical dispersion + non-covalent functionalization with an anionic polymer - Carboxymethylcellulose or Gum arabic -
10 Acute toxicity: mortality (%) NC : Negative Control No acute toxicity vs NC Acute toxicity vs NC Mortality is expressed in % MWNT (mg/l) NC % 0% 0% 0% No mortality DWNT (mg/l) NC % 0% 5% 15% Low mortality at 50 mg/l DWNT (mg/l) + Gum Arabic GA NC GAC % 0% 0% 0% No mortality
11 Chronic toxicity: growth inhibition NC: Negative Control GAC: Gum Arabic (Control) * No chronic toxicity vs NC Chronic toxicity vs NC : significant GI vs NC after 12 days of exposure Growth Inhibition GI (in mm, not shown) is illustrated by the rate of growth (%) Rate of Growth (%) R ate o f g ro w th (% ) NC 0,1 mg/l MWNT 1mg/L MWNT 10 mg/l MWNT 50 mg/l MWNT NC 0.1 mg/l 1 mg/l 10 mg/l 50 mg/l MWNT (mg/l) - Dose dependent GI - Chronic toxicity from 50 mg/l (MWNT) - Chronic toxicity from 10 mg/l (DWNT) In presence of GA, we observed the same GI rate with DWNT from 10 mg/l Rate of Growth (%) * rate of growth (%) Rate Rate of Growth of size (%) (%) NC 0.1 mg/l DWNT 1 mg/l DWNT 10 mg/l DWNT 50 mg/l DWNT NC 0.1 mg/l 1 mg/l 10 mg/l 50 mg/l DWNT (mg/l) NC AGC 0.1 mg/l 1mg/L 10 mg/l 50 mg/l * * - GA * + GA *
12 EMN / EMN / oo (median) (médiane) Genotoxicity: : micronuclei induction (MN) NC : negative control PC : positive control (Cyclophosphamide) No genotoxicity vs NC Genotoxicity vs NC 50 mg/l DWNT : non explored concentration because of the high toxicity DWNT - GA 0 T - T + 0,1 mg/l PC MWNTs 1 mg/l MWNTs 10 mg/l MWNTs Conditions expérimentales MWNT (mg/l) 50 mg/l MWNTs NC 0.1 mg/l 1 mg/l 10 mg/l 50 mg/l MWNT (mg/l) - MWNT are not genotoxic - DWNT are not genotoxic in the same test conditions DWNT + GA GENOTOXICITY OF DWNT IN PRESENCE OF GA
13 Xenopus larvae macro- micro observations Internal gills trap blocked up Branchial obstruction? Hypoxia induction? CTRL CNTs Black gut 50µm Intestinal obstruction? 50µm Nutrient competition? CNTs-xenopus larvae toxicity due to Clogged gills / black filled intestines?
14 Larvae reactive oxygen species production (H 2 O 2 ) % induction = (H 2 O 2 mean MW, time X) - (H 2 O 2 mean ctrl, time X) / (H 2 O 2 mean ctrl, time X) MW 10 mg/l MW 1 mg/l In CNTs exposed larvae ROS (H 2 O 2 ) production Is both Time & Dose dependant MW 0.1 mg/l
15 DNA damages induction: Short time vs long time COMET ASSAY 24H and 12 days 24H No Significant DNA damages vs NC Significant DNA damages vs NC Induction Factor 12Days MNE : Micronucleatederythrocytes PC : Positive Control Cyclophosphamide(MN induction) and MMS (Comet assay) MICRONUCLEUS ASSAY 12 days PC 0.1 PC 1 PC 0.1 PC 1 24H 12Days MNE /oo(median value)) NC PC 0.1 mg/l 1 mg/l 10 mg/l 50 mg/l T - T + 0,1 mg/l MW 1 mg/l MW 10 mg/l MW 50 mg/l MW MWNTs Concentration (mg/l) PC 0.1 PC 1 PC 0.1 PC 1 MWNTs Concentration (mg/l) Comet assay: For concentrations 10 and 50 mg/l non-viability of erythrocytes (Trypan Blue) Primary (reversible) DNA damages from 24 h at 0.1 mg/l of MWNT exposure
16 TEM observations of CNTs in living systems DWNT (10 mg/l) Lumen MWNT (10 mg/l) Lumen MWNT (10 mg/l) Lumen MWNT (10 mg/l) intestinal cell Vi MWNT?
17 Raman analysis of biological samples Raman cartography at 2675 cm -1 Raman spectroscopy λ = 514 nm (a) Light microscope image of the studied intestine area (b) Raman intensity map corresponding to the selected observation area of (a) (c) Superposition of (a) and (b) Line scans Raman analysis - G band only in the lumen - Intensity of G band = 0 in intestinal cells - No gradient of G band intensity CNT (DWNT) do not pass through the intestinal barrier Intensity of G band Intestinal cells Lumen Line 1 Line 2 Line 3
18 Diatoms as model to study the effects of CNTs Nitzschia palea Ubiquitous benthic algae Present in most photo-autotrophic biofilms Basis of numerous aquatic trophic chains Easy to cultivate, rapid growth Diatoms biofilms stabilize CNTs suspensions in lab conditions MWNT (50mg /L) MWNT (50mg /L) + Diatoms +/- NOM
19 Role of the Natural Organic Matter in natural waters MET observations of diatoms exposure conditions to CNTs DWNT MWNT Without NOM Compact agregates of CNTs NOM/NTC (ratio 1/5) Dispersed agregates of CNTs NOM/NTC (ratio 1/1) Fully dispersed agregates with Individualized CNTs
20 NOM Interaction Biofilm- MWNT Staining of the polysaccharides in the diatoms ExoPolymeric Substances (EPS) Light microscopy MWNT-NOM 20µm 20µm NOM SEM MWNT-NOM
21 SEM observations of the interaction Biofilm- MWNT MWNT / diatoms ExoPolymeric Substances Control (+/- NOM) MWNT-NOM (10mg.L -1 /10mg.L -1 ) 1µm 1µm 250nm 250nm
22 Other biological test organisms and exposure conditions Single species ecotoxicity test systems Algae, Diatoms Multispecies associated in Micro-mesocosms Pleurodeles(newts) Consumer II Amphibian Carnivorous Water column BIOFILM Chironomids Consumer I Sediment-dwelling invertebrates Deposit-feeders Sediment Xenopus Consumer I Amphibian Grazer-filterer SEDIMENT Insects, chironomids Diatoms Producer I Benthic algae Form the biofilm Experimental trophic chains In dynamic microcosms Amphibian larvae WATER COLUMN
23 THANK YOU FOR YOUR ATTENTION Ph.D. students Agathe BOUR Floriane BOURDIOL Périne LANDOIS Rayenne SARIA Laurent VERNEUIL Researchers Laury GAUTHIER, ECOLAB/NAUTILE Eric PINELLI, ECOLAB/NAUTILE Emmanuel FLAHAUT, CIRIMAT/NAUTILE Pascal PUECH, CEMES/NAUTILE Engineers/technicians Florence MOUCHET Annie PERRAULT Jérôme SILVESTRE
Ecotoxicologie des nanoparticules en milieu marin
Ecotoxicologie des nanoparticules en milieu marin C. Mouneyrac, http://www.uco.fr Nanotechnology industry ENMs in estuaries and coastal waters: Relevance? Nano-products (ex: sunscreen ) Three main sources
More informationToxicological Assessment of (silver) Nanomaterials: Challenges and Pitfalls
Dr Helinor Johnston, Nano Safety Research Group Toxicological Assessment of (silver) Nanomaterials: Challenges and Pitfalls BfR Conference: Nanosilver Feb 2012 h.johnston@hw.ac.uk Nanotoxicology Nanotechnology
More informationCarbon Nanotubes for Applications in Electronics, Catalysis, Composites and Nano-Biology (CANAPE) WP6 Health In vitro effects of nanosized particles
LCVN Uni Montpellier CNRS 1.6.24-31.5.28 Materials Science & Technology Carbon Nanotubes for Applications in Electronics, Catalysis, Composites and Nano-Biology (CANAPE) In vitro effects of nanosized particles
More informationSediment and Terrestrial Toxicity and Bioaccumulation of Nano Aluminum Oxide. Click to edit Master subtitle style
Sediment and Terrestrial Toxicity and Bioaccumulation of Nano Aluminum Oxide Jessica G Coleman ERDC, Environmental Laboratory Vicksburg, MS Report Documentation Page Form Approved OMB No. 0704-0188 Public
More informationA Technology for Enhanced Control of Erosion, Sediment and Metal Leaching at Disturbed Land Using Polyacrylamide and Magnetite Nanoparticles
A Technology for Enhanced Control of Erosion, Sediment and Metal Leaching at Disturbed Land Using Polyacrylamide and Magnetite Nanoparticles Min Zheng and Dongye Zhao Environmental Engineering Program
More informationProblem Formulation and Conceptual Model Development for Aquatic Placement
Problem Formulation and Conceptual Model Development for Aquatic Placement Burton Suedel, Ph.D. burton.suedel@usace.army.mil DMAM Seminar Day 1 15 Sept 2009 Objectives Overview of problem formulation Overview
More informationPVP-Functionalized Nanometer Scale Metal Oxide Coatings for. Cathode Materials: Successful Application to LiMn 2 O 4 Spinel.
PVP-Functionalized Nanometer Scale Metal Oxide Coatings for Cathode Materials: Successful Application to LiMn 2 O 4 Spinel Nanoparticles Hyesun Lim, Jaephil Cho* Department of Applied Chemistry Hanyang
More informationReal Time Cell Electronic Sensing (RT-CES) for Nanotoxicity Evaluation
Real Time Cell Electronic Sensing (RT-CES) for Nanotoxicity Evaluation Reyes Sierra 1, Lila Otero 1, Scott Boitano 2 & Jim Field 1 1 Dept Chemical & Environmental Engineering 1 2 Dept Cell Physiology The
More informationapproach, specific protection goals and linking exposure to effects Info Session on Aquatic Guidance 6/7 November 2013
Introduction ti to terminology, tiered approach, specific protection goals and linking exposure to effects Theo Brock, Alterra, Wageningen UR (PPR Panel Member) Info Session on Aquatic Guidance 6/7 November
More informationEnvironmental Toxicology and exploring ATSDR toxicological profiles
Environmental Toxicology and exploring ATSDR toxicological profiles MSC-210 Marine Environmental Sampling & Analysis Lecture 8 Toxicology Definitions Environmental Toxicology: The study of the fate and
More informationNanotechnology and Tyres
Nanotechnology and Tyres Risk Assessment Framework BEST PRACTICES OECD Environment, Health and Safety Publications Best Practices on Health and Environment Nanotechnology and Tyres: Elements for a Risk
More informationSAFETY DATA SHEET Date of issue: Version no:1 Revision date: AGRONANOGEL VIT
1 1. IDENTIFICATION OF THE PRODUCT AND COMPANY Product name: AgroNanoGel Vit Type of product: Solid, mixture Use of the product: Natural fertilizer with the addition of minerals and agronanogel, improving
More informationTHE ACUTE TOXICITY OF ENVIRO TECH CHEMICAL SERVICES INC. S. BromMax 7.1 TO THE FRESHWATER ALGAE, SELENASTRUM CAPRICORNUTUM,
THE ACUTE TOXICITY OF ENVIRO TECH CHEMICAL SERVICES INC. S BromMax 7.1 TO THE FRESHWATER ALGAE, SELENASTRUM CAPRICORNUTUM, FRESHWATER CRUSTACEAN, DAPHNIA MAGNA, AND THE FRESHWATER FISH, PIMEPHALES PROMELAS
More informationOur Business. in vitro / in vivo. in vitro / in vivo ADME. in vitro / in vivo. Toxicology. Cell Battery V79. Analytical Services. Service.
GenPharmTox is one of the few CROs who can guarantee the success of our project within the given time framework and on the terms agreed. Dr. Michael Runkel, Apogepha GmbH 3 3 In vitro 3.1. Phototoxicity
More information6.3.2 Exposure Assessment
6.3.2 Exposure Assessment A key component of conducting a risk-based screening evaluation is identification of potential exposures. An exposure assessment includes an evaluation of potential human and
More informationWater Pollution & Quality. Dr. Deniz AKGÜL Marmara University Department of Environmental Engineering
Water Pollution & Quality Dr. Deniz AKGÜL Marmara University Department of Environmental Engineering IMPORTANCE OF WATER Life on planet Earth would be impossible without water. All life forms, from simple
More informationCASY Model TT E L E C T R I C A L C U R R E N T EXCLUSION ECE BASED CELL ANALYSIS
CASY Model TT Cell Counter + AnalyZer E L E C T R I C A L C U R R E N T EXCLUSION ECE BASED CELL ANALYSIS ELECTRICAL CURRENT EXCLUSION CASY Model TT Cell Counter + Analyzer R&D Easy and fast adaptation
More informationEcosystems. Studying Organisms In Their Environment. Division Ave. High School AP Biology. organism. population. community. ecosystem.
Ecosystems Studying Organisms In Their Environment organism population community ecosystem biosphere 1 Essential questions What limits the production in ecosystems? How do nutrients move in the ecosystem?
More informationUnit Treatment Processes in Water and Wastewater Engineering
Unit Treatment Processes in Water and Wastewater Engineering T J Casey AQUAVARRA RESEARCH LIMITED 22A Brookfield Avenue Blackrock Co. Dublin. October 2006 Author s Note Water and wastewater treatment technology
More informationKirill Ukhanov, GE Water & Process Technologies, Russia, describes how advanced membrane technology is helping a Russian refinery to meet stringent
Kirill Ukhanov, GE Water & Process Technologies, Russia, describes how advanced membrane technology is helping a Russian refinery to meet stringent wastewater requirements. In Russia, there are strict
More informationPhysico-chemical and toxicological studies of engineered nanoparticles emitted from printing equipment
Physico-chemical and toxicological studies of engineered nanoparticles emitted from printing equipment Sandra V. Pirela, M.S., Philip Demokritou, Ph.D. Doctoral Candidate Harvard School of Public Health
More informationSelenium Reduction. Caroline Dale
Selenium Reduction Caroline Dale > Contents Biological Selenium Reduction The MBBR technology Operating Experience SeleniumZero Conclusions 2 Selenium Cycle Se(VI) Se(IV) Se(IV) Se(0) Se(-II) Selenium
More informationMWELO Providing Insight on Soil and Compost Requirements. Will Bakx
MWELO Providing Insight on Soil and Compost Requirements Will Bakx www.sonomacompost.com willbakx@sonomacompost.com Soils: 2 Sections 492.5 Soil Management report 492.6(3) Soil Preparation, Mulch and Amendments
More informationWater and Life. How large is the earth? Zircon Crystals. Radius: 3986 mi (4000 mi) Diameter: 7973 mi (8000 mi) Circumference: 25,048 mi (25,000 mi)
Water and Life How large is the earth? Radius: 3986 mi (4000 mi) Diameter: 7973 mi (8000 mi) Circumference: 25,048 mi (25,000 mi) Volume of Water: 400 billion billion gallons 326 million mi 3 Earliest
More informationAquatic Toxicity Testing: Difficulties With Sparingly Soluble Metal Substances, with examples from Aluminium and Iron
Aquatic Toxicity Testing: Difficulties With Sparingly Soluble Metal Substances, with examples from Aluminium and Iron Eirik Nordheim, EAA William Adams, Rio Tinto Workshop Objectives In this Workshop we
More informationENS 06 Paris, France, December 2006
CARBON NANOTUBE ARRAY VIAS FOR INTERCONNECT APPLICATIONS Jyh-Hua ng 1, Ching-Chieh Chiu 2, Fuang-Yuan Huang 2 1 National Nano Device Laboratories, No.26, Prosperity Road I, Science-Based Industrial Park,
More informationOverview of Dredged Material Testing and Evaluation
Overview of Dredged Material Testing and Evaluation Jeffery Steevens US Army Corps of Engineers Engineer Research and Development Center 23 July 2012 Guidance Documents for Management of Dredged Material
More informationSafety data sheet. Dry Vitamin D3 100 GFP. 1. Substance/preparation and company identification. 2. Composition/information on ingredients
Safety data sheet Page: 1/8 1. Substance/preparation and company identification Dry Vitamin D3 100 GFP Use: Vitamin Company: BASF Aktiengesellschaft - D-67056 Ludwigshafen Germany Contact address: BASF
More informationTesting Methods and Directives
EUROPEAN COMMISSION DIRECTORATE GENERAL - JRC JOINT RESEARCH CENTRE Institute for Health and Consumer Protection Unit: Toxicology and Chemical Substances European Chemicals Bureau D:\My Documents\JR\Tables\OFFJOUR\Listofoj.doc
More informationRadioecology in 2014 Current research directions and trends for the future. Union Internationale de Radioécologie International Union of Radioecology
Radioecology in 2014 Current research directions and trends for the future What is Radioecology A multidisciplinary scientific discipline: biology, chemistry, physiology, ecology, biogeochemistry, geophysics,
More informationRI&E Nano particles *) Carried out by: Faculty: CTW/EWI/TNW Department: 1. Information Nano material Product name:
RI&E Nano particles *) Carried out by: Faculty: CTW/EWI/TNW Department: 1. Information Nano material Product name: Chemical name: CAS-reg. no.: Size distribution of particles of primary nm particles in
More informationNano-Sized Particles in the Environment: Fate, Transport and Potential Impacts to Ecosystem Health
Nano-Sized Particles in the Environment: Fate, Transport and Potential Impacts to Ecosystem Health National Academies Workshop on Challenges in Characterizing Small Particles: Exploring Particles from
More informationAssessing the Risks of Nanomaterials
Assessing the Risks of Nanomaterials J. Michael Davis, Ph.D. Senior Science Advisor National Center for Environmental Assessment U.S. Environmental Protection Agency Research Triangle Park, NC 27711 Davis.Jmichael@epa.gov
More informationCycles of Matter. Slide 1 of 33. End Show. Copyright Pearson Prentice Hall
Cycles of Matter 1 of 33 The purpose of this lesson is to learn the water, carbon, nitrogen, and phosphorus cycles. This PowerPoint will provide most of the required information you need to accomplish
More informationFrank Dick, P.E. City of Vancouver, Department of Public Works TYPES OF INDUSTRIAL WASTE AND HOW THEY CAN IMPACT A TREATMENT PLANT
Frank Dick, P.E. City of Vancouver, Department of Public Works TYPES OF INDUSTRIAL WASTE AND HOW THEY CAN IMPACT A TREATMENT PLANT Types of Industrial Waste Airport Deicing Breweries Electroplating Fruits
More informationENVIRONMENTAL IMPACT ASSESSMENT FOR VETERINARY MEDICINAL PRODUCTS PHASE II GUIDANCE
VICH GL 38 (ECOTOXICITY PHASE II) October 2004 For implementation at Step 7 ENVIRONMENTAL IMPACT ASSESSMENT FOR VETERINARY MEDICINAL PRODUCTS PHASE II GUIDANCE Recommended for Adoption at Step 7 of the
More informationForm for assessing a chemical substance
The Swedish Society for Nature Conservation Good Environmental Choice (Bra Miljöval) Form for assessing a chemical substance that is an ingredient or forms part of an ingredient A INFORMATION ABOUT MANUFACTURER
More informationDOW CORNING CORPORATION Material Safety Data Sheet
Page: 1 of 7 1. IDENTIFICATION OF THE SUBSTANCE AND OF THE COMPANY Dow Corning Corporation South Saginaw Road Midland, Michigan 48686 24 Hour Emergency Telephone: Customer Service: Product Disposal Information:
More informationWWF SHRIMP AQUACULTURE DIALOGUE Effluent impact assessment:water quality monitoring vs nutrient budget
WWF SHRIMP AQUACULTURE DIALOGUE Effluent impact assessment:water quality monitoring vs nutrient budget Stanislaus Sonnenholzner FUNDACION CENAIM-ESPOL GUAYAQUIL - ECUADOR INTRODUCTION Shrimp aquaculture
More informationPublic Interest Incorporated Foundation BioSafety Research Center
Public Interest Incorporated Foundation BioSafety Research Center http://www.anpyo.or.jp Ver. 201801 Building #1(Test and research annex) Building #2 (Administrat ion office) Building #3 (Toxicity test
More informationMIRACLE S A Jalan Mahsuri Kaw. Industri Jalan Mersing Kluang, Johor
Registration No: None Revision Date : 19.02.2016 SECTION 1 - IDENTIFICATION OF THE SUBSTANCE/PREPARATION AND THE COMPANY/UNDERTAKING Manufacturer or Formulator: G-Planter Sdn Bhd 11 A Jalan Mahsuri Kaw.
More informationNew prototype prefilter for seawater RO
Techneau January 2007 New prototype prefilter for seawater RO Protocol for bench-scale testing Techneau January 2007 New prototype prefilter for seawater RO Protocol for bench-scale testing 2006 is an
More informationHARMONISING ENVIRONMENTAL RISK ASSESSMENTS OF PESTICIDES
HARMONISING ENVIRONMENTAL RISK ASSESSMENTS OF PESTICIDES OECD DEVELOPMENT OF TEST GUIDELINES AND METHODOLOGIES EFSA Scientific Conference on ERA of pesticides Parma, 15-16 November 2016 OECD Secretariat
More informationRemoval of pathogenic bacteria in algal turf scrubbers. John Rains Biosystems Engineering, Auburn University Auburn, AL
Removal of pathogenic bacteria in algal turf scrubbers John Rains Biosystems Engineering, Auburn University Auburn, AL What is an algal turf scrubber (ATS)? Ecologically engineered system in which benthic
More informationAn Introduction to The Ecology of Lakes, Ponds and Reservoirs. Developing a Management Plan
An Introduction to The Ecology of Lakes, Ponds and Reservoirs Developing a Management Plan Stephen J. Souza, Ph.D. Princeton Hydro, LLC 1108 Old York Road Ringoes, NJ 08551 ssouza@princetonhydro.com Objective
More informationTREATMENT OF PERCHLORATE AND 1,1,1-TRICHLOROETHANE IN GROUNDWATER USING EDIBLE OIL SUBSTRATE (EOS )
Paper 4B-1, in: A.R. Gavaskar and A.S.C. Chen (Eds.), Remediation of Chlorinated and Recalcitrant Compounds 24. Proceedings of the Fourth International Conference on Remediation of Chlorinated and Recalcitrant
More informationVisit
Practical Applications for Nano- Electronics by Vimal Gopee E-mail: Vimal.gopee@npl.co.uk 10/10/12 Your Delegate Webinar Control Panel Open and close your panel Full screen view Raise hand for Q&A at the
More informationData Requirements for New Chemical Notification in China Please go to for more info about China REACH
Data Requirements for New Chemical Notification in China Please go to http://www.cirs-reach.com/ for more info about China REACH Original Article by Chemical Inspection and Regulation Service (CIRS) in
More informationSafety Data Sheet Page 1 of 6 Black Flag Fly Window Traps Revision date: 2/17/2016
Safety Data Sheet Page 1 of 6 Section 1 - Product and Company Identification Product Identifiers: Product Name: EPA Registration Number: Product Use: Black Flag Fly Window Traps Fly Trap Details of the
More informationOXALIC ACID 10%, AQUEOUS
Safety Data Sheet OXALIC ACID 10%, AQUEOUS Section 1 - Chemical Product and Company Identification SDS Name: Oxalic 10% Aqueous Catalog Numbers: SO-1047 Company Identification: ROWLEY BIOCHEMICAL 10 ELECTRONICS
More informationCARBON NANOTUBE GRAFTED CARBON FIBERS: OPTIMUM PROCESS
CARBON NANOTUBE GRAFTED CARBON FIBERS: OPTIMUM PROCESS Kyoung Ju Kim 1, Jeong Min Lee 1, Ji Ho Youk 2, Woong-Ryeol Yu 1 * 1 Department of Materials Science and Engineering, Seoul National University, 599
More informationSAFETY DATA SHEET: SUPER CEROX 1663
SECTION 1: CHEMICAL PRODUCT & COMPANY INFORMATION APPLICABLE PART #: BA1663, BA1663NS IDENTITY: Super Cerox 1663 SUPPLIER: Universal Photonics, Inc. FOR INFORMATION CALL 85 Jetson Lane CUSTOMER SERVICE:
More informationSafety Data Sheet Page 1 of 6 Black Flag Pantry Pest Trap Revision date: 2/16/2016
Safety Data Sheet Page 1 of 6 Section 1 - Product and Company Identification Product Identifiers: Product Name: EPA Registration Number: Product Use: Black Flag Pantry Pest Trap Glue Trap Details of the
More informationUsage of (eco)toxicological data for bridging data gaps between and grouping of nanoforms of the same substance. Elements to consider
Usage of (eco)toxicological data for bridging data gaps between and grouping of nanoforms of the same substance Elements to consider Nanomaterials based solutions have a lot to offer for a wide range of
More informationDevelopment of Piezoelectric Nanocomposites for Energy Harvesting and Self-Sensing
Development of Piezoelectric Nanocomposites for Energy Harvesting and Self- Kenneth J. Loh Assistant Professor Department of Civil & Environmental Engineering University of California, Davis The Applied
More informationParticulate Soil Phosphorus and Eutrophication in Lakes and Streams
Particulate Soil Phosphorus and Eutrophication in Lakes and Streams Paul R. Bloom Soil, Water, & Climate Department University of Minnesota With contributions by John Moncrief, Carl Rosen and David Mulla
More informationNitrogen Cycling, Primary Production, and Water Quality in the New River Estuary. Defense Coastal/Estuarine Research Program (DCERP)
Nitrogen Cycling, Primary Production, and Water Quality in the New River Estuary Defense Coastal/Estuarine Research Program (DCERP) Introduction: A key theme of the ongoing DCERP program is monitoring
More informationWastewater Treatment Processes
Wastewater Treatment Processes (Sep 27 th and 28 th, 2016) by Dr. Arun Kumar (arunku@civil.iitd.ac.in) Objective: To learn about processes used in tertiary treatment Courtesy: Dr. Irene Xagoraraki, MSU,
More information1. Substance/preparation and manufacturer/supplier identification. FoamStar ED 2522 (old Dehydran SE 2)
Safety data sheet Page: 1/8 1. Substance/preparation and manufacturer/supplier identification FoamStar ED 2522 (old Dehydran SE 2) Use: defoamer Manufacturer/supplier: PT BASF Indonesia Plaza GRI, 10th
More informationSAFETY DATA SHEET. Seacast Pourable Compound Eco-Wolf Inc. Unsaturated Polyester Resin. Henderson, Auckland, New Zealand
1 SAFETY DATA SHEET Section 1. Identification of the material and the supplier Product: Product Code: Product Use: New Zealand Supplier: Address: Telephone: 64 9 839 0902 Fax Number: 64 9 836 2776 Seacast
More informationInvestigation of Usebility of Composite Filters on Retention of Radium in Natural Waters
Investigation of Usebility of Composite Filters on Retention of Z.G. PORTAKAL, Ş. AYTAŞ, C. GÖK Ege University Institute of Nuclear Sciences Bornova-Izmir-TURKEY e-mail: gizemsry@hotmail.com What is the
More information1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING. : Fertiliser
1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING Product information Trade name : Use of the Substance/Mixture : Fertiliser Company : COMPO GmbH & Co. KG Gildenstraße 38 D-48157
More informationEFFECTIVE STRATEGIES FOR RESIDUAL POLYMER AND AQUATIC TOXICITY TESTING FOR DREDGE SLURRY DEWATERING
EFFECTIVE STRATEGIES FOR RESIDUAL POLYMER AND AQUATIC TOXICITY TESTING FOR DREDGE SLURRY DEWATERING Randy Wilcox, P.E. 1, Gregg E. Lebster 1, and Bruce Rabe 2 ABSTRACT Chemical conditioning is typically
More informationNorth Carolina State University
Turbidity Control in Pumped Water Systems Richard A. McLaughlin Soil Science Department rich_mclaughlin@ncsu.edu North Carolina State University Typical Chemical Treatment System (CTS) Situations Sediment
More informationSupplementary Material (ESI) for Chemical Communications This journal is (c) The Royal Society of Chemistry 2009
Supplementary Information Silver Nanoparticles with Planar Twinned Defects: Effect of Halides for Precise Tuning of Plasmon Absorption from 400 to >900 nm by Nicole Cathcart, Andrew J. Frank and Vladimir
More informationMEDICAL WASTE MANAGEMENT STUDY NOTES
MEDICAL WASTE MANAGEMENT STUDY NOTES UNIT 1 INTRODUCTION Hospital and other health care establishment has a duty of care for the environment and for public health and have particular responsibility in
More informationSafety Data Sheet (1907/2006/EC)
1 Identification of the substance/preparation and company 1.1 Name of substance/preparation Commercial product name: LIQUIDSEAL for fruit citrus post harvest 1.2 Use of substance/preparation: Agricultural
More informationIs your next regulatory deadline within REACH?
Is your next regulatory deadline within REAC? 2018 500ml Smithers Viscient testing schedule REAC Annex VII/VIII Guideline Study Type Week Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
More informationcarbon Abstract: 1. Introduction produce the toughness of Nanotubes Elasticity India in a 36- in the tensile strength showed Single-walled
World Journal of Nano Science and Engineering, 2011, 1, ** doi: 10.4236/wjnse.2011.110011 Published Online March 20111 (http://www.scirp.org/journal/wjnse) Enhancement of Elastic Modulus of Epoxy Resin
More informationElectron Microscopy (EM) Grid
Anirban Som 25-01-14 Instrumental technique presentation Electron Microscopy (EM) Grid What I will talk about Some basic topics about EM grid Home-made grid preparation Grid cleaning Carbon coating and
More informationLiterature Review The Environmental Concerns of Arsenic Additives in Poultry Litter
Literature Review The Environmental Concerns of Arsenic Additives in Poultry Litter Proposal for Harry R. Hughes Maryland Center for Agro-Ecology, Inc. May 5, 2011 Proposal period: May 15, 2011 December
More informationMatrix-free synthesis of spin crossover micro-rods showing large hysteresis loop. centered at room temperature
Electronic Supplementary Material (ESI) for ChemComm. This journal is The Royal Society of Chemistry 2015 Matrix-free synthesis of spin crossover micro-rods showing large hysteresis loop centered at room
More informationSILICA SCALE PREVENTION METHOD USING SEED MADE FROM GEOTHERMAL BRINE
SILICA SCALE PREVENTION METHOD USING SEED MADE FROM GEOTHERMAL BRINE Hajime Sugita, Isao Matsunaga, Tsutomu Yamaguchi Geo-Energy Division, Geotechnology Department, National Institute for Resources and
More informationReverse Osmosis. Lecture 17
Reverse Osmosis Lecture 17 Reverse osmosis Reverse osmosis is a membrane technology used for separation also reffered as Hyperfiltration. In a typical RO system the solution is first filtered through a
More informationOECD RECOMMENDATION ON THE SAFETY OF NANOMATERIALS
OECD RECOMMENDATION ON THE SAFETY OF NANOMATERIALS Workshop for the Asia-Pacific Region on Nanotechnology and Manufactured Nanomaterials: Safety Issues 10-11 September 2015, Bangkok, Thailand OECD Australia
More informationMATERIAL SAFETY DATA SHEET
MATERIAL SAFETY DATA SHEET Product Trade Name: Revision Date: 31-Aug-2007 1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION Product Trade Name: Synonyms: Chemical Family: Application: Manufacturer/Supplier
More informationZero Discharge for Textile Industry
Zero Discharge for Textile Industry C K Sandeep, General Manager Corporate Marketing, Ion Exchange (India) Ltd. Introduction The post liberalization period has led to the rapid growth of industrial output
More informationTechnology Update Phosphorus Removal. Samuel Jeyanayagam, PhD, PE, BCEE Vice President/Senior Principal Technologist CH2M HILL
Technology Update Phosphorus Removal Samuel Jeyanayagam, PhD, PE, BCEE Vice President/Senior Principal Technologist CH2M HILL 2014 Wisconsin Government Affairs Seminar Marriott Madison West, Madison, WI
More informationCONTROL OF FLOW-GENERATED BIOFILMS WITH SURFACTANTS - EVIDENCE OF RESISTANCE AND RECOVERY
CONTROL OF FLOW-GENERATED BIOFILMS WITH SURFACTANTS - EVIDENCE OF RESISTANCE AND RECOVERY Manuel Simões, Lúcia C. Simões, Idalina Machada, Maria O. Pereira & Maria J. Vieira * Centro de Engenharia Biológica
More informationTechnological Aspects of Metal Nanopowders
PHYSICS and CHEMISTRY of NANOMATERIALS, lecture 6 Alexander A. Gromov gromov@tpu.ru Chair of Silicates and Nanomaterials, Faculty of Chemical Technology, Tomsk Polytechnic University, RUSSIA Technological
More informationEffect of aging on the reinforcement efficiency of carbon nanotubes in epoxy matrix
ffect of aging on the reinforcement efficiency of carbon nanotubes in epoxy matrix A. Allaoui, P. vesque and J. B. Bai * LMSSMAT CNRS UMR8579, cole Centrale Paris, 9229 Châtenay-Malabry, France ABSTRACT
More informationDOW CORNING CORPORATION Material Safety Data Sheet DOW CORNING(R) 200 FLUID, 20 CST.
Page: 1 of 8 1. IDENTIFICATION OF THE SUBSTANCE AND OF THE COMPANY Dow Corning Corporation South Saginaw Road Midland, Michigan 48686 24 Hour Emergency Telephone: Customer Service: Product Disposal Information:
More informationNORTH CAROLINA DIVISION OF WATER QUALITY BIOLOGICAL LABORATORY CERTIFICATION/CRITERIA PROCEDURES DOCUMENT
NORTH CAROLINA DIVISION OF WATER QUALITY BIOLOGICAL LABORATORY CERTIFICATION/CRITERIA PROCEDURES DOCUMENT These procedures are part of the State of North Carolina s response to requirements set forth by
More informationHamilton Harbour. Area of Concern Status of Beneficial Use Impairments September 2010
Hamilton Harbour Area of Concern Status of Beneficial Use Impairments September 2010 Hamilton Harbour is a 2150-ha bay located at the western tip of Lake Ontario. The Area of Concern covers about 500 km
More informationSafety Data Sheet Page 1 of 6 Garden Safe Brand Insecticidal Soap Insect Killer Revision date: 2/22/2016
Safety Data Sheet Page 1 of 6 Section 1 - Product and Company Identification Product Identifiers: Product Name: Garden Safe Brand Insecticidal Soap Insect Killer EPA Registration Number: 67702-13-39609
More informationSelenium Removal from Scrubber Water VSEP RO membrane treatment for water reuse
Selenium Removal from Scrubber Water VSEP RO membrane treatment for water reuse Flue Gas Scrubber When coal is burned to make energy, a flue gas is produced that must be exhausted. This flue gas contains
More informationFiltration on block copolymer solution used in directed self assembly lithography
Filtration on block copolymer solution used in directed self assembly lithography Toru Umeda*, Tomoyuki Takakura and Shuichi Tsuzuki Nihon Pall Ltd., 46 Kasuminosato, Ami-machi, Inashiki-gun, Ibaraki,
More informationEmergency Telephone Number: Within Australia Outside Australia
1. IDENTIFICATION OF THE MATERIAL AND SUPPLIER 1.1 Product Details Product Name: Other Name: Aquatain AMF Liquid Mosquito Film Recommended Use: Mosquito control on water bodies 1.2 Company Details Manufacturer/Supplier:
More informationSafety Data Sheet 3057 according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations Date of issue: 07/21/2015
SECTION 1: Identification 1.1. Identification Product form Product name CAS No POLAR ICE MELT 3057 Date of issue: 07/21/2015 : Mixture : POLAR ICE MELT : x Product code : 3057 1.2. Relevant identified
More informationTotal Solids (TS) - material remaining after evaporation of sample liquid
Page 1 of 8 Reference Two publications are widely used as the principal cookbooks for water and wastewater analysis: o Standard Methods for the Analysis of Water and Wastewater. American Water Works Association
More informationDead-Zones and Coastal Eutrophication: Case- Study of Chesapeake Bay W. M. Kemp University of Maryland CES Horn Point Laboratory Cambridge, MD
Dead-Zones and Coastal Eutrophication: Case- Study of Chesapeake Bay W. M. Kemp University of Maryland CES Horn Point Laboratory Cambridge, MD Presentation to COSEE Trends Orientation at UMCES HPL 4 August
More informationMATERIAL SAFETY DATA SHEET
MATERIAL SAFETY DATA SHEET 1. IDENTIFICATION OF THE MATERIAL AND SUPPLIER 1.1 Product Details: Product name: Chemical name of main ingredient: Recommended Use: AQUATAIN AMF Silicone Fluid (Polydimethylsiloxane)
More informationDe-agglomerattion of CeO 2 Nanoparticles using the Microfluidizer.
30 Ossipee Road P.O. Box 9101 Newton, MA 06-9101 Phone: 617 969-55 Fax: 617 965-113 www.microfluidicscorp.com De-agglomerattion of CeO Nanoparticles using the Microfluidizer. Prepared by: The Microfluidics
More informationProduct Name Phone: Items: Formula Code: Div. of United Industries Corp P.O. Box St. Louis, MO 63114
SDS Date: 4/16/15 : Ace Ant, Roach & Spider Killer 3 EPA Reg.. 9688-320 SECTION 1 - PRODUCT AND COMPANY IDENTIFICATION CAS #: Product Use: Manufacturer: Aerosol Crawling Insect Killer Aerosol Div. of United
More informationMATERIAL SAFETY DATA SHEET
1. PRODUCT AND COMPANY IDENTIFICATION: PRODUCT: Natural Guard Spinosad EPA No.: 62719-314-7401 COMPANY IDENTIFICATION: 2. HAZARDOUS IDENTIFICATIONS: EMERGENCY OVERVIEW Off-White to tan liquid suspension
More information3 3 Cycles of Matter. EOC Review
EOC Review A freshwater plant is placed in a salt marsh. Predict the direction in which water will move across the plant s cell wall, and the effect of that movement on the plant. a. Water would move out
More informationSafety Data Sheet MICRO AIR Revision date : 2012/03/01 Page: 1/6
Revision date : 2012/03/01 Page: 1/6 1. Product and Company Identification Company BASF Canada Inc. 100 Milverton Drive Mississauga, ON L5R 4H1, CANADA 24 Hour Emergency Response Information CANUTEC (reverse
More information