• Publications
  • Influence

Claim Your Author Page
Ensure your research is discoverable on Semantic Scholar. Claiming your author page allows you to personalize the information displayed and manage publications (all current information on this profile has been aggregated automatically from publisher and metadata sources).
  • Donald F. Hunt, Alex M. Buko, John M. Ballard, Jeffery Shabanowitz, Anne B. Giordani
  • Chemistry, Medicine
  • Biomedical mass spectrometry
  • 1981 (First Published: 1 September 1981)
  • A new approach to the direct sequencing of oligopeptides in complex mixtures is described. Mixtures of [2Ho]/[2H3]-N-acetylated and N,O-permethylated peptides are analyzed by collision activateContinue Reading
  • John M. Ballard, Limin Zhu, Eric D. Nelson, Randal A. Seburg
  • Chemistry, Medicine
  • Journal of pharmaceutical and biomedical analysis
  • 2007
  • Four unknown degradants in the LC-UV profile of a stressed experimental tablet formulation that contains vitamin D3 have been identified by a combination of Ag+-cationization electrospray ionizationContinue Reading
  • John M. Ballard, Lori D. Payne, Richard S. Egan, Teresa A. Wehner, Gregory S. Rahn, Samson Tom
  • Chemistry
  • 1997 (First Published: 1 September 1997)
  • A liquid chromatography/mass spectrometry/mass spectrometry (LC/MS/MS) method has been developed and validated to detect and confirm the marker residue of eprinomectin (B1a component) in bovine liverContinue Reading
  • Randal A. Seburg, John M. Ballard, Tsang-Lin Hwang, Caitlin M Sullivan
  • Chemistry, Medicine
  • Journal of pharmaceutical and biomedical analysis
  • 2006 (First Published: 1 October 2006)
  • During development of an extemporaneous suspension formulation for losartan potassium, previously unknown degradation products were observed in experimental suspensions prepared in a commercialContinue Reading
  • Decheng Ma, Walter R Wasylaschuk, +6 authors Robert A. Reed
  • Chemistry, Medicine
  • Journal of pharmaceutical and biomedical analysis
  • 2004 (First Published: 1 June 2004)
  • The purpose of this study was to qualitatively and quantitatively determine potential cellulose acetate butyrate (CAB) extractables in a way to meaningfully predict the in vivo exposure resultingContinue Reading