Index Catalog // ScholarsArchive@OSU

Development of novel analytical methods to detect emerging contaminants in aqueous environmental matrices using large-volume injection

Creator:: Backe, Will J.
Abstract:: It is the responsibility of humans, as environmental stewards, to monitor our impact on the environment so that efforts can be made to remediate the effects of our actions and change behaviors. To better understand our environmental footprint, sensitive and simple analytical methods are needed to quantify the contaminants that...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Will J. Backe for the degree of Doctor of Philosophy in Chemistry presented on July 18

LabelFlicks

Creator:: Ruangrotsakun, Chalida
Abstract:: Using supervised machine learning (ML) to train a computer vision model typically requires human annotators to label objects in images and video. Given a large training dataset, this can be labor intensive, presenting a significant bottleneck in the model-development process. LabelFlicks is an open-source desktop application that aims to address...
Resource Type:: Capstone Project
Full Text:: TensorFlow. i Acknowledgments I would like to thank my advisor, Dr. Will Braynen, for his valuable

FieldJenniferEMTAnalysisAndrogenicSteroids_SupplementaryData.pdf

Creator:: Backe, Will J., Ort, Christoph, Brewer, Alex J., and Fidel, Jennifer A.
Abstract:: A new method was developed for the analysis of natural and synthetic androgenic steroids and their selected metabolites in aquatic environmental matrices using direct large-volume injection (LVI) high performance liquid chromatography (HPLC) tandem mass spectrometry (MS/MS). Method accuracy ranged from 88 to 108% for analytes with well-matched internal standards. Precision,...
Full Text:: Chromatography Tandem Mass Spectrometry Will J. Backe†, Christoph Ort‡, Alex J. Brewer, and Jennifer A. Field

FieldJenniferEMTAnalysisAndrogenicSteroids.pdf

Creator:: Backe, Will J., Ort, Christoph, Brewer, Alex J., and Fidel, Jennifer A.
Abstract:: A new method was developed for the analysis of natural and synthetic androgenic steroids and their selected metabolites in aquatic environmental matrices using direct large-volume injection (LVI) high performance liquid chromatography (HPLC) tandem mass spectrometry (MS/MS). Method accuracy ranged from 88 to 108% for analytes with well-matched internal standards. Precision,...
Full Text:: Environmental Waters by Large-volume Injection Liquid 1 Chromatography Tandem Mass Spectrometry 2 Will J

Analysis of Androgenic Steroids in Environmental Waters by Large-Volume Injection Liquid Chromatography Tandem Mass Spectrometry

Creator:: Backe, Will J., Ort, Christoph, Brewer, Alex J., and Fidel, Jennifer A.
Abstract:: A new method was developed for the analysis of natural and synthetic androgenic steroids and their selected metabolites in aquatic environmental matrices using direct large-volume injection (LVI) high performance liquid chromatography (HPLC) tandem mass spectrometry (MS/MS). Method accuracy ranged from 88 to 108% for analytes with well-matched internal standards. Precision,...
Resource Type:: Article

Trace analysis of environmental matrices by large-volume injection and liquid chromatography-mass spectrometry

Creator:: Busetti, Francesco, Backe, Will J., Bendixen, Nina, Maier, Urs, Place, Benjamin, Giger, Walter, and Field, Jennifer A.
Abstract:: The time-honored convention of concentrating aqueous samples by solid-phase extraction (SPE) is being challenged by the increasingly wide spread use of large-volume injection (LVI) liquid chromatography-mass spectrometry (LC-MS) for the determination of traces of polar organic contaminants in environmental samples. Although different LVI approaches have been proposed over the last...
Resource Type:: Article
Full Text:: • Will J. Backe • Nina Bendixen • Urs Maier • Benjamin Place • Walter Giger • Jennifer A. Field

j-em9027pests.pdf

Creator:: Oregon State University. Extension Service, Langellotto, Gail Ann, Anderson-Wilk, Mark, Bauer, Michael E., Dreves, Amy J., Fick, Barbara Jean, Gentle, Tom, Glick, G. (Gail), Locke, Kerry A., Long, L. E. (Lynn Edwards), 1953-, Lundin, Fred, Maul, Jerry Lee, McNeilan, Jan, McNeilan, Ray A., Morgan, Steve, Patterson, Pat, Penhallegon, Ross H., 1951-, Reynolds, Janice, Rogers, Bill, Rost, Bob, Savonen, Carol, Tiger, George, VanDerZanden, Ann Marie, 1966-, Weeks, Tom, and Welch, Teresa
Abstract:: A publication containing advice on a wide range of gardening topics, including composting, container gardens, fall/winter gardens, fertilizing, insect pests, plant diseases, planting guidelines, raised beds, site selection, slugs, soil improvement, tilling, warm-season crops, watering, and weeds. Includes regional tips for various parts of Oregon.
Full Text:: beneficial and pest insects. Catching pest infestations early will make control easier. Some fruits and

Evidence of Remediation-Induced Alteration of Subsurface Poly- and Perfluoroalkyl Substance (PFAS) Distribution at a Former Firefighter Training Area

Creator:: McGuire, Meghan E., Schaefer, Charles, Richards, Trenton, Backe, Will J., Field, Jennifer A., Houtz, Erika, Sedlak, David L., Guelfo, Jennifer L., Wunsch, Assaf, and Higgins, Christopher P.
Abstract:: Poly- and perfluoroalkyl substances (PFASs) are a class of fluorinated chemicals that are utilized in firefighting and have been reported in groundwater and soil at several firefighter training areas. In this study, soil and groundwater samples were collected from across a former firefighter training area to examine the extent to...
Resource Type:: Article
Full Text:: ~, Will J. Backe§,¥, Jennifer A. Fieldψ, 4 Erika Houtz||,¤, David L. Sedlak||, Jennifer L. Guelfo

Use of γ-Glutamyltranspeptidase-deficient knockout mice as a model to study the relationship between glutathione status, mitochondrial dysfunction, and cell death

Creator:: Will, Yvonne
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Yvonne Will for the degree of Doctor of Philosophy in

The education of character : implications of Buber for the student services profession

Creator:: Keim, Will
Abstract:: Martin Buber was an internationally known scholar, teacher, and author whose works covered education, communication, politics, theology, philosophy, counseling, and related fields. The purpose of this study was to discover the implications of Buber's philosophy of education for the student services profession. Previous attempts to relate Martin Buber's philosophy to...
Resource Type:: Dissertation
Full Text:: student services profession AN ABSTRACT OF THE THESIS OF Will S. Keim for the degree of Doctor of

ScholarsArchive@OSU

Development of novel analytical methods to detect emerging contaminants in aqueous environmental matrices using large-volume injection

LabelFlicks

FieldJenniferEMTAnalysisAndrogenicSteroids_SupplementaryData.pdf

FieldJenniferEMTAnalysisAndrogenicSteroids.pdf

Analysis of Androgenic Steroids in Environmental Waters by Large-Volume Injection Liquid Chromatography Tandem Mass Spectrometry

Trace analysis of environmental matrices by large-volume injection and liquid chromatography-mass spectrometry

j-em9027pests.pdf

Evidence of Remediation-Induced Alteration of Subsurface Poly- and Perfluoroalkyl Substance (PFAS) Distribution at a Former Firefighter Training Area

Use of γ-Glutamyltranspeptidase-deficient knockout mice as a model to study the relationship between glutathione status, mitochondrial dysfunction, and cell death

The education of character : implications of Buber for the student services profession

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