Using pure shift HSQC to characterize microgram samples of drug metabolites von Liu, Yong, Green, Mitchell D., Marques, Rosemary, Pereira, Tony, Helmy, Roy, Thomas Williamson, R., Bermel, Wolfgang, Martin, Gary E.

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Mechanistic Study of the Gas-Phase In-Source Hofmann Elimination of Doubly Quaternized Cinchona-Alkaloid Based Phase-Transfer Catalysts by (+)-Electrospray Ionization/Tandem Mass S... von Yang, Rong-Sheng, Sheng, Huaming, Lexa, Katrina W., Sherer, Edward C., Zhang, Li-Kang, Xiang, Bangping, Helmy, Roy, Mao, Bing

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Thermal stability of organic monolayers chemically grafted to minerals von McElwee, Jeffrey, Helmy, Roy, Fadeev, Alexander Y.

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Simultaneous separation of small interfering RNA and lipids using ion-pair reversed-phase liquid chromatography von Li, Li, Foley, Joe P., Helmy, Roy

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Highly sensitive LC‐MS method for stereochemical quality control of a pharmaceutical drug substance intermediate von Wang, Lin, Tong, Weidong, Antonucci, Vincent, Helmy, Roy, Truong, Van

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Effective and efficient weighing of potent compounds von Hartford, George, Cheung, Patty, Whitaker, Karen, Helmy Roy, Ratcliff, Joanne

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A Novel Neutralization Antibody Assay Method to Overcome Drug Interference with Better Compatibility with Acid-Sensitive Neutralizing Antibodies von Wickramarachchi, Dilki, Wagner, Julianne, Woo, Thomas, Ferrari, Federico, Steinmetz, Thomas, Helmy, Roy, Xu, Weifeng

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Accelerated Forced Degradation of Pharmaceuticals in Levitated Microdroplet Reactors von Li, Yangjie, Liu, Yong, Gao, Hong, Helmy, Roy, Wuelfing, W. Peter, Welch, Christopher J., Cooks, R. Graham

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Enrichment of Relevant Oxidative Degradation Products in Pharmaceuticals With Targeted Chemoselective Oxidation von Nanda, Kausik K., Mozziconacci, Olivier, Small, James, Allain, Leonardo R., Helmy, Roy, Wuelfing, W. Peter

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In-Use Photostability Practice and Regulatory Evaluation for Pharmaceutical Products in an Age of Light-Emitting Diode Light Sources von Allain, Leonardo R., Pierce, Brittany C., Wuelfing, W. Peter, Templeton, Allen C., Helmy, Roy

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Enabling Efficient Late‐Stage Functionalization of Drug‐Like Molecules with LC‐MS and Reaction‐Driven Data Processing von Yao, Huifang, Liu, Yong, Tyagarajan, Sriram, Streckfuss, Eric, Reibarkh, Mikhail, Chen, Kuanchang, Zamora, Ismael, Fontaine, Fabien, Goracci, Laura, Helmy, Roy, Bateman, Kevin P., Krska, Shane W.

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Harmonization of Vaccine Ligand Binding Assays Validation von Dessy, Francis, Sonderegger, Ivo, Wagner, Leslie, Buoninfante, Alessandra, Wadhwa, Meenu, Agnes, Joseph, Aksyuk, Anastasia, Baclin, Angelique, Bonhomme, Marie, Cloney-Clark, Shane, Corsaro, Bart, Neto, João Tavares, Fries, Louis, Gagnon, Luc, Garofolo, Fabio, Giardina, Peter, Green, Tina, Guimera, Nuria, Harris, Shannon, Helmy, Roy, Huleatt, James, Ishii-Watabe, Akiko, Jaeger, Ralf, Jani, Dewal, Janssen, Sarah, Kierstead, Lisa, Makar, Karen, Marshall, Jean-Claude, Mayer, Christian, Mendes, Dulcyane Neiva, Murphy, Rocio, Nadarajah, Sankeetha, Nolan, Katrina, Plested, Joyce, Scully, Ingrid, Solstad, Therese, Stoop, Jeroen, Tan, Charles, Verch, Thorsten, Wilkins, Deidre, Xu, Arron, Zheng, Lingyi, Zhu, Mingzhu

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Applications of TiCl3 as a Diagnostic Reagent for the Detection of Nitro- and N‑Oxide-Containing Compounds as Potentially Mutagenic Impurities Using Ultrahigh-Performance Liquid Ch... von Yang, Rong-Sheng, Beard, Adam, Sheng, Huaming, Zhang, Li-Kang, Helmy, Roy

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Mixed Reality Meets Pharmaceutical Development von Forrest, William P., Mackey, Megan A., Shah, Vivek M., Hassell, Kerry M., Shah, Prashant, Wylie, Jennifer L., Gopinath, Janakiraman, Balderhaar, Henning, Li, Li, Wuelfing, W. Peter, Helmy, Roy

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Use of hydrostatic pressure for modulation of protein chemical modification and enzymatic selectivity von Makarov, Alexey A, Helmy, Roy, Joyce, Leo, Reibarkh, Mikhail, Maust, Mathew, Ren, Sumei, Mergelsberg, Ingrid, Welch, Christopher J

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Characterization of impurities of HIV NNRTI Doravirine by UHPLC-high resolution MS and tandem MS analysis von Zhang, Li-Kang, Yang, Ross, Sheng, Huaming, Helmy, Roy, Zheng, Jinjian, Cao, Yang, Gauthier Jr, Donald R.

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Definitive Metabolite Identification Coupled with Automated Ligand Identification System (ALIS) Technology: A Novel Approach to Uncover Structure–Activity Relationships and Guide D... von Zhang, Ting, Liu, Yong, Yang, Xianshu, Martin, Gary E, Yao, Huifang, Shang, Jackie, Bugianesi, Randal M, Ellsworth, Kenneth P, Sonatore, Lisa M, Nizner, Peter, Sherer, Edward C, Hill, Susan E, Knemeyer, Ian W, Geissler, Wayne M, Dandliker, Peter J, Helmy, Roy, Wood, Harold B

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Design and Application of an Easy to Use Oligonucleotide Mass Calculation Program von Yang, Jiong, Leopold, Peter, Helmy, Roy, Parish, Craig, Arvary, Becky, Mao, Bing, Meng, Fanyu

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Application of HPLC mixed-mode chromatography in determining radiochemical purity of [14C] labeled metformin hydrochloride von Truong, Van, Helmy, Roy, Ren, Sumei, Schenk, David, Waterhouse, David

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Development of an automated system for preparation of liquid scintillation counting samples for radiolabeled pharmaceuticals von Marques, Rosemary, Bernardoni, Frank, Pollack, Scott, Helmy, Roy

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