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André J. Simpson

André J. Simpson

D-Index & Metrics

Chemistry

D-Index
69
Citations
16967
World Ranking
6190
National Ranking
161

Overview

André J. Simpson is affiliated with the University of Toronto in Canada and specializes primarily in Environmental Science. Their research portfolio includes significant contributions across several subfields including Nuclear and High Energy Physics, Spectroscopy, Molecular Biology, Radiology, Nuclear Medicine and Imaging, as well as Health, Toxicology and Mutagenesis.

The main topics of their work focus on advanced techniques and applications of Nuclear Magnetic Resonance (NMR) spectroscopy and Metabolomics coupled with Mass Spectrometry. Key research interests include:

  • NMR spectroscopy and applications
  • Metabolomics and Mass Spectrometry Studies
  • Advanced NMR Techniques and Applications
  • Advanced MRI Techniques and Applications
  • Microplastics and Plastic Pollution
  • Toxic Organic Pollutants Impact
  • Microfluidic and Capillary Electrophoresis Applications

Frequently publishing in analytical chemistry and environmental science venues, the scientist has contributed notably to journals such as:

  • Analytical Chemistry
  • Magnetic Resonance in Chemistry
  • Journal of Chemical Education
  • ACS Earth and Space Chemistry
  • Metabolomics

Selected recent papers include:

  • "A ubiquitous tire rubber-derived chemical induces acute mortality in coho salmon" (2020), published in Science
  • "Aqueous Photoreactions of Wood Smoke Brown Carbon" (2020), published in ACS Earth and Space Chemistry
  • "Maternal exposure to polystyrene microplastics alters placental metabolism in mice" (2022), published in Metabolomics
  • "Chlorines Are Not Evenly Substituted in Chlorinated Paraffins: A Predicted NMR Pattern Matching Framework for Isomeric Discrimination in Complex Contaminant Mixtures" (2020), published in Environmental Science & Technology Letters
  • "Gas Chromatography-(Cyclic) Ion Mobility Mass Spectrometry: A Novel Platform for the Discovery of Unknown Per-/Polyfluoroalkyl Substances" (2022), published in Analytical Chemistry

André J. Simpson collaborates frequently with a consistent core of co-authors, including Ronald Soong, Myrna J. Simpson, Rajshree Ghosh Biswas, Daniel H. Lysak, and Amy Jenne.

Best Publications

  • A ubiquitous tire rubber–derived chemical induces acute mortality in coho salmon

    Zhenyu Tian;Haoqi Zhao;Katherine T. Peter;Melissa Gonzalez

  • Microbially derived inputs to soil organic matter: are current estimates too low?

    André J Simpson;Myrna J Simpson;Emma Smith;Brian P Kelleher

  • Chemical and mineralogical controls on humic acid sorption to clay mineral surfaces

    Xiaojuan Feng;André J. Simpson;Myrna J. Simpson

  • Humic Substances in Soils: Are They Really Chemically Distinct?

    Brian P Kelleher;Andre J Simpson

  • Molecular structures and associations of humic substances in the terrestrial environment

    André J. Simpson;William L. Kingery;Michael H. B. Hayes;Manfred Spraul

  • NMR spectroscopy in environmental research: From molecular interactions to global processes

    André J. Simpson;David J. McNally;Myrna J. Simpson

  • Physical, chemical, and biochemical mechanisms of soil organic matter stabilization under conservation tillage systems: A central role for microbes and microbial by-products in C sequestration

    César Plaza;Denis Courtier-Murias;José M. Fernández;Alfredo Polo

  • Increased cuticular carbon sequestration and lignin oxidation in response to soil warming

    Xiaojuan Feng;André J. Simpson;Kevin P. Wilson;D. Dudley Williams

  • Major Structural Components in Freshwater Dissolved Organic Matter

    Buuan Lam;Andrew Baer;Mehran Alaee;Brent Lefebvre

  • Shifts in microbial community and water-extractable organic matter composition with biochar amendment in a temperate forest soil

    Perry J. Mitchell;André J. Simpson;Ronald Soong;Myrna J. Simpson

  • Determining the molecular weight, aggregation, structures and interactions of natural organic matter using diffusion ordered spectroscopy

    André J. Simpson

  • Purge NMR: effective and easy solvent suppression.

    Andre J. Simpson;Sarah A. Brown

  • Unraveling the Structural Components of Soil Humin by Use of Solution-State Nuclear Magnetic Resonance Spectroscopy

    Andre J. Simpson;Guixue Song;Emma Smith;Buuan Lam

  • Cross-coupling of sulfonamide antimicrobial agents with model humic constituents.

    Heidi M. Bialk;and André J. Simpson;Joel A. Pedersen

  • High resolution electrospray ionization mass spectrometry and 2D solution NMR for the analysis of DOM extracted by C18 solid phase disk

    Sunghwan Kim;Andre J. Simpson;Elizabeth B. Kujawinski;Michael A. Freitas

  • The Chemical Ecology of Soil Organic Matter Molecular Constituents

    Myrna J. Simpson;André J. Simpson

  • Direct 1H NMR spectroscopy of dissolved organic matter in natural waters

    Buuan Lam;André J. Simpson

  • The Application of 1H HR-MAS NMR Spectroscopy for the Study of Structures and Associations of Organic Components at the Solid−Aqueous Interface of a Whole Soil

    André J. Simpson;William L. Kingery;David R. Shaw;Manfred Spraul

  • HILIC-NMR: toward the identification of individual molecular components in dissolved organic matter.

    Gwen C. Woods;Myrna J. Simpson;Philip J. Koerner;Antonia Napoli

  • Nuclear magnetic resonance spectroscopy and its key role in environmental research.

    Andre J. Simpson;Myrna J. Simpson;Ronald Soong

  • 3-D Structural Modeling of Humic Acids through Experimental Characterization, Computer Assisted Structure Elucidation and Atomistic Simulations. 1. Chelsea Soil Humic Acid

    Mamadou S. Diallo;Andre Simpson;Paul L. Gassman;Jean Loup Faulon

Frequent Co-Authors

Myrna J. Simpson
Myrna J. Simpson University of Toronto
Wolfgang Bermel
Wolfgang Bermel University of Florence
Patrick G. Hatcher
Patrick G. Hatcher Old Dominion University
Manfred Spraul
Manfred Spraul University of Aveiro
Eric J. Reiner
Eric J. Reiner Ministry of the Environment, Conservation and Parks
George B. Arhonditsis
George B. Arhonditsis University of Toronto
Antony J. Williams
Antony J. Williams Environmental Protection Agency
Malcolm M. Campbell
Malcolm M. Campbell University of Guelph
Kate Lajtha
Kate Lajtha Oregon State University
Joann K. Whalen
Joann K. Whalen McGill University

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