William Arnold
Appearances
DateApril 13, 2021Division/Committee: [ENVR] Division of Environmental ChemistryOrganizers
Texas A&M UniversityOrganizer, Presider
ETH-Zurich- DateApril 13, 2021Division/Committee: [ENVR] Division of Environmental Chemistry
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ETH-ZurichOrganizer, Presider
Texas A&M University - DateApril 14, 2021Division/Committee: [ENVR] Division of Environmental Chemistry
Organizer, Presider
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Texas A&M UniversityETH-Zurich - DateApril 15, 2021Division/Committee: [ENVR] Division of Environmental Chemistry
Organizer, Presider
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Texas A&M UniversityETH-Zurich 
DateApril 15, 2021Use of fluorine in agrochemical and pharmaceutical design has increased since the first fluorinated pharmaceutical came to market in 1957. Fluorine changes the physical properties, including lipophilicity, solubility, conformation, pKa, and metabolic stability of compounds, making its use appealing…Speakers
Presenter
- DateApril 15, 2021Division/Committee: [ENVR] Division of Environmental Chemistry
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ETH-ZurichOrganizer, Presider
Texas A&M University 
DateApril 5, 2021Neonicotinoid insecticides cause adverse effects on non-target organisms, but more information about their occurrence in surface and groundwater is needed across a range of land use. Sixty-five sites in Minnesota U.S…Presenter
Natural Resources Research InstituteSpeakers
DateApril 7, 2021The natural aquatic environment plays an important role in the emergence and spread of antibiotic resistance…Presenter
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Associate Dean, College of Arts & Sciences, University of St. Thomas
DateApril 13, 2021A combination of techniques is essential elucidating the mechanisms of the formation, growth, dissolution, and transformation of nanoparticles in reactive media…
DateApril 9, 2021Ferrous iron-bearing minerals are important reductants in the subsurface, but their availability for the reduction of anthropogenic pollutants is limited by competition with other electron acceptors including microorganisms and poor accessibility to Fe(II) in complex hydrogeologic settings…Presenter
Natural Resources Research Institute- DateApril 14, 2021Division/Committee: [ENVR] Division of Environmental Chemistry
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Texas A&M UniversityOrganizer, Presider
ETH-Zurich - DateAugust 23, 2021Neonicotinoids are a class of insecticides used for pest management that are commonly found in surface water, ground water, and wastewater treatment plant effluent. This study evaluated 156 samples collected from 51 sites for neonicotinoid insecticides…
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- DateAugust 22, 2021Neonicotinoids are a class of insecticides used for pest management that are commonly found in surface water, ground water, and wastewater treatment plant effluent. This study evaluated 156 samples collected from 51 sites for neonicotinoid insecticides…
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- DateMarch 23, 2022Division/Committee: [ENVR] Division of Environmental Chemistry
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New York UniversityTexas A&M UniversityETH-Zurich - DateMarch 23, 2022Division/Committee: [ENVR] Division of Environmental Chemistry
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New York UniversityTexas A&M UniversityETH-Zurich - DateMarch 21, 2022Antibiotic resistance has been identified as one of the greatest global health threats of the 21st century…
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Associate Dean, College of Arts & Sciences, University of St. Thomas - DateMarch 23, 2022Initially synthesized in 1996, neonicotinoids and fipronil have become commonly used systemic pesticides in agricultural and urban applications in the state of Minnesota…
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- DateMarch 20, 2022Division/Committee: [ENVR] Division of Environmental Chemistry
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New York UniversityOrganizer, Presiders
- DateMarch 20, 2022Division/Committee: [ENVR] Division of Environmental Chemistry
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Organizer, Presider
ETH-Zurich - DateMarch 22, 2022Division/Committee: [ENVR] Division of Environmental Chemistry
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New York UniversityOrganizers
- DateMarch 21, 2022Division/Committee: [ENVR] Division of Environmental Chemistry
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Organizer, Presider
- DateMarch 21, 2022The use of fluorine in agrochemicals has increased over the last decade. The fluorine motifs commonly used in agrochemicals which tend to be (hetero)aromatic-rich include aryl-F, benzylic-CF3, -O-CF3, -S-CF3, and aliphatic-fluorine…
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Associate Professor - DateMarch 21, 2022Fluorine has been incorporated within pharmaceuticals at a steadily increasing rate. The addition of a fluorine motif can alter the physiochemical properties of a molecule making the pharmaceutical more useful or effective…
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- DateMarch 21, 2022Division/Committee: [ENVR] Division of Environmental Chemistry
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Texas A&M University - DateMarch 23, 2022Division/Committee: [ENVR] Division of Environmental Chemistry
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New York UniversityTexas A&M UniversityETH-Zurich - DateMarch 21, 2022Per- and polyfluoroalkyl substances (PFAS) are a group of man-made organic compounds where hydrogen atoms in the carbon-hydrogen bonds are highly or fully substituted with fluorine. This renders PFAS recalcitrant in the environment…
Presenter
- DateMarch 23, 2022Quaternary ammonium compounds (QACs) are a group of chemicals used in a wide range of consumer and industrial products including disinfectants. Due to the COVID-19 pandemic, use of disinfectants has increased significantly since March 2020, increasing loads to wastewater plants and the environment…
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- DateMarch 23, 2022N-nitrosodimethylamine (NDMA), a disinfection byproduct formed in drinking water following the addition of chloramines for disinfection, is known both for its potent carcinogenicity and toxicity…
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Assessing the effect of pre-oxidation at different stages of water treatment to limit NDMA formation
DateMarch 23, 2022N-Nitrosodimethylamine (NDMA) is a disinfection by-product of emerging concern for drinking water utilities that use chloramines as a disinfectant. Identifying and eliminating the sources of NDMA precursors in watersheds may prove to be too difficult in most cases…Presenter
- DateMarch 21, 2022Reduction of nitroaromatic compounds (NACs), an important class of groundwater pollutants, by Fe(II) associated with iron oxides has been studied widely…
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- DateMarch 21, 2022Iron oxides and (hydroxy)oxides are abundant in aquatic systems and, when associated with ferrous iron (Fe(II)), are capable of reducing organic contaminants such as nitroaromatics (NACs) through surface-mediated redox reactions…
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- DateMarch 21, 2022Naturally-occurring iron oxide and oxyhydroxide nanoparticles provide a reactive surface that has been widely shown to enhance the reduction of nitroaromatic compounds (NACs) by Fe(II)…
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- DateMarch 24, 2022Antibiotic resistance has become an environmental and public health issue of increasing concern…
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Associate Dean, College of Arts & Sciences, University of St. Thomas - DateMarch 23, 2022Division/Committee: [ENVR] Division of Environmental Chemistry
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New York UniversityTexas A&M UniversityETH-Zurich - Redox-active species play a regulatory role in lacustrine sediments, controlling a myriad of biogeochemical processes such as element cycling, greenhouse gas emissions, and contaminant fate…
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University of DelawareSpeakers
- Division/Committee: [ENVR] Division of Environmental Chemistry
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New York UniversityTexas A&M UniversityETH-Zurich - Division/Committee: [ENVR] Division of Environmental Chemistry
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ETH-Zurich - Division/Committee: [ENVR] Division of Environmental Chemistry
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- Division/Committee: [ENVR] Division of Environmental Chemistry
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Texas A&M University - Division/Committee: [ENVR] Division of Environmental Chemistry
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Texas A&M University - : [CHED] Division of Chemical Education
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Southeast Missouri State UniversityAssistant Professor, Lafayette CollegeAssistant Professor, Centenary College of LouisianaProfessor, Penn State BerksProfessor, Westminster CollegeAssociate Dean, College of Arts & Sciences, University of St. ThomasAssociate Professor, College of WoosterProfessor, Inter American University of Puerto Rico - San Germán CampusJohns Hopkins Bloomberg School of Public HealthJohns Hopkins UniversitySenior Lecturer, Tennessee Tech UniversityCarroll UniversityAssistant Professor, University of Central Florida - : [CHED] Division of Chemical Education
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Southeast Missouri State UniversityAssistant Professor, Lafayette CollegeAssistant Professor, Centenary College of LouisianaProfessor, Penn State BerksProfessor, Westminster CollegeAssociate Dean, College of Arts & Sciences, University of St. ThomasAssociate Professor, College of WoosterProfessor, Inter American University of Puerto Rico - San Germán CampusJohns Hopkins Bloomberg School of Public HealthJohns Hopkins UniversitySenior Lecturer, Tennessee Tech UniversityCarroll UniversityAssistant Professor, University of Central Florida - : [ENVR] Division of Environmental Chemistry
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New York UniversityTexas A&M UniversityETH-ZurichMichigan Technological University College of EngineeringGraduate Research Assistant, Michigan Tech UniversityWashington University in St. LouisGraduate Student, MIT-WHOI Joint ProgramCollin WardUniversity of Colorado BoulderAssistant Professor, University of Colorado BoulderAssistant Professor, City University of Hong Kong - : [ENVR] Division of Environmental Chemistry
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New York UniversityTexas A&M UniversityETH-ZurichJohns Hopkins UniversityJohns Hopkins UniversityPostdoctoral Researcher, Old Dominion UniversityGraduate Assistant, University of Maryland, College Park - : [ENVR] Division of Environmental Chemistry
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New York UniversityTexas A&M UniversityETH-ZurichPacific Northwest National LaboratoryThomas M. Orlando, Ph.D.Professor, Georgia Institute of TechnologyPacific Northwest National LaboratoryUniversity of CincinnatiPostDoc, Swiss Federal Institute of Aquatic Science and TechnologyEawagColorado School of MinesColorado School of Mines - : [ENVR] Division of Environmental Chemistry
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New York UniversityTexas A&M UniversityETH-ZurichRegent Professor, Arizona State UnivProfessor, Georgia Institute of Technology - : [ENVR] Division of Environmental Chemistry
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New York UniversityTexas A&M UniversityETH-ZurichUniversity of Colorado BoulderUniversity of Missouri - Redox-active species play a regulatory role in lacustrine sediments, controlling a myriad of biogeochemical processes such as element cycling, greenhouse gas emissions, and contaminant fate…
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University of DelawareThe Ohio State University - : [ENVR] Division of Environmental Chemistry
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Washington UniversityPennsylvania State UniversityPacific Northwest National LaboratoryOregon Health & Science UniversityUniversity of WisconsinAssistant Professor, Penn State HarrisburgUniversity of MissouriChesapeake Biological LaboratoryAnthony Boever, PhD CandidateGraduate Research Assistant, Georgia Institute of TechnologyGeorgia Institute of TechnologyProfessor, University of Texas at El PasoUniversity of Nebraska-LincolnUniversity of DelawareThe Ohio State University - : [CHED] Division of Chemical Education
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Southeast Missouri State UniversityAssistant Professor, Lafayette CollegeAssistant Professor, Centenary College of LouisianaProfessor, Penn State BerksProfessor, Westminster CollegeAssociate Dean, College of Arts & Sciences, University of St. ThomasAssociate Professor, College of WoosterProfessor, Inter American University of Puerto Rico - San Germán CampusJohns Hopkins Bloomberg School of Public HealthJohns Hopkins UniversitySenior Lecturer, Tennessee Tech UniversityCarroll UniversityAssistant Professor, University of Central Florida - : [ENVR] Division of Environmental Chemistry
Speakers
New York UniversityTexas A&M UniversityETH-ZurichMichigan Technological University College of EngineeringGraduate Research Assistant, Michigan Tech UniversityWashington University in St. LouisGraduate Student, MIT-WHOI Joint ProgramCollin WardUniversity of Colorado BoulderAssistant Professor, University of Colorado BoulderAssistant Professor, City University of Hong Kong - : [ENVR] Division of Environmental Chemistry
Speakers
New York UniversityTexas A&M UniversityETH-ZurichJohns Hopkins UniversityJohns Hopkins UniversityPostdoctoral Researcher, Old Dominion UniversityGraduate Assistant, University of Maryland, College Park - : [ENVR] Division of Environmental Chemistry
Speakers
New York UniversityTexas A&M UniversityETH-ZurichPacific Northwest National LaboratoryThomas M. Orlando, Ph.D.Professor, Georgia Institute of TechnologyPacific Northwest National LaboratoryUniversity of CincinnatiPostDoc, Swiss Federal Institute of Aquatic Science and TechnologyEawagColorado School of MinesColorado School of Mines - : [ENVR] Division of Environmental Chemistry
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New York UniversityTexas A&M UniversityETH-ZurichRegent Professor, Arizona State UnivProfessor, Georgia Institute of Technology - : [ENVR] Division of Environmental Chemistry
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New York UniversityTexas A&M UniversityETH-ZurichUniversity of Colorado BoulderUniversity of Missouri - Redox-active species play a regulatory role in lacustrine sediments, controlling a myriad of biogeochemical processes such as element cycling, greenhouse gas emissions, and contaminant fate…
Speakers
University of DelawareThe Ohio State University - : [ENVR] Division of Environmental Chemistry
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Washington UniversityPennsylvania State UniversityPacific Northwest National LaboratoryOregon Health & Science UniversityUniversity of WisconsinAssistant Professor, Penn State HarrisburgUniversity of MissouriChesapeake Biological LaboratoryAnthony Boever, PhD CandidateGraduate Research Assistant, Georgia Institute of TechnologyGeorgia Institute of TechnologyProfessor, University of Texas at El PasoUniversity of Nebraska-LincolnUniversity of DelawareThe Ohio State University - DateMarch 27, 2023Antimicrobial resistance (AMR) is one of the greatest global health threats of the century, which affects people all over the world. AMR can be exacerbated through the entry of antibiotics into the environment…
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Associate Dean, College of Arts & Sciences, University of St. Thomas - DateMarch 27, 2023The chronic usage of antibiotics over time has led to an increase in antimicrobial resistance, which is classified by the World Health Organization as one of the greatest threats to public health in the 21st century…
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Associate Dean, College of Arts & Sciences, University of St. Thomas - DateMarch 26, 2023DIVISION/COMMITTEE: [ENVR] Division of Environmental Chemistry
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Organizer, Presider
ETH-Zurich - DateMarch 26, 2023DIVISION/COMMITTEE: [ENVR] Division of Environmental Chemistry
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- DateMarch 27, 2023DIVISION/COMMITTEE: [ENVR] Division of Environmental Chemistry
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Texas A&M University - DateMarch 27, 2023DIVISION/COMMITTEE: [ENVR] Division of Environmental Chemistry
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Organizer, Presider
Texas A&M University - DateMarch 29, 2023DIVISION/COMMITTEE: [ENVR] Division of Environmental Chemistry
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New York UniversityTexas A&M UniversityETH-Zurich - DateMarch 27, 2023Redox-active species play a regulatory role in lacustrine sediments, controlling a myriad of biogeochemical processes such as element cycling, greenhouse gas emissions, and contaminant fate…
Presenter
University of DelawareSpeakers
- DateAugust 15, 2023Quaternary ammonium compounds (QACs) are a group of chemicals used in a wide range of consumer, agricultural, and industrial products, including disinfectants. Disinfectant usage has substantially increased due to the COVID-19 pandemic…
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- DateAugust 15, 2023Fluorinated products are of environmental concern due to the stability of C-F bonds and the potential persistence and toxicity of fluorinated products. Mass spectrometry workflows often fall short in predicting accurate product structures and mass balances…
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Associate Professor - DateAugust 14, 2023Fluorinated pesticides and pharmaceuticals are of environmental concern due to their potential to form persistent fluorinated byproducts. The wavelength dependence of photolysis was evaluated for fluorinated pesticides and pharmaceuticals using narrow bandwidth (single wavelength) UV-LEDs…
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Associate Professor - DateMarch 17, 2024Aquatic photochemical transformations are important in geochemistry and environmental chemistry in diverse contexts, from natural systems where sunlight is acting on surface waters to engineered systems using UV irradiation…
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ETH-Zurich - DateMarch 17, 2024Aquatic photochemical transformations are important in geochemistry and environmental chemistry in diverse contexts, from natural systems where sunlight is acting on surface waters to engineered systems using UV irradiation…
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Texas A&M University - DateMarch 18, 2024Aquatic photochemical transformations are important in geochemistry and environmental chemistry in diverse contexts, from natural systems where sunlight is acting on surface waters to engineered systems using UV irradiation…
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Texas A&M UniversityETH-ZurichWashington University in St. Louis - DateMarch 18, 2024Aquatic photochemical transformations are important in geochemistry and environmental chemistry in diverse contexts, from natural systems where sunlight is acting on surface waters to engineered systems using UV irradiation…
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Organizer, Presider
Washington University in St. Louis - DateMarch 20, 2024Aquatic photochemical transformations are important in geochemistry and environmental chemistry in diverse contexts, from natural systems where sunlight is acting on surface waters to engineered systems using UV irradiation…
Organizers
Texas A&M UniversityETH-ZurichWashington University in St. Louis - DateMarch 20, 2024Aquatic photochemical transformations are important in geochemistry and environmental chemistry in diverse contexts, from natural systems where sunlight is acting on surface waters to engineered systems using UV irradiation…
Organizers
Texas A&M UniversityETH-ZurichWashington University in St. Louis - DateMarch 18, 2024The development of antimicrobial resistance is currently a global health threat and there is concern that the entrance of antibiotics into aquatic systems could lead to enhanced resistance in the environment…
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Associate Dean, College of Arts & Sciences, University of St. Thomas - DateMarch 18, 2024Photodegradation is widely considered to be one of the most important abiotic transformation processes for many aquatic pollutants, including antibiotics…
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Associate Dean, College of Arts & Sciences, University of St. Thomas - DateMarch 20, 2024Globally, small shallow wetlands emit significant amounts of carbon dioxide and methane to the atmosphere. While the role of biotic processes are well studied, the contributions of abiotic reactions to C emissions is poorly constrained…
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- DateMarch 17, 2024With the potential of synthetic fluorinated pharmaceuticals and pesticides entering the environment, it becomes of concern what possible fluorinated degradation products may form via various degradation pathways…
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- DateMarch 20, 2024In surface waters, natural organic matter (NOM) serves as a source for photochemically produced reactive intermediates (PPRIs), such as excited state triplet NOM (3NOM*), that have been shown to degrade various aquatic pollutants…
- DateAugust 19, 2024N-Nitrosodimethylamine (NDMA) precursors are compounds containing secondary, tertiary, and quaternary amines…
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- DateAugust 21, 2024Quaternary ammonium compounds (QACs) are a group of chemicals used in a wide range of consumer, agricultural, and industrial products, including disinfectants…
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