Zachary S. Breitbach

发表

Cleavage of DNA by proton-coupled electron transfer to a photoexcited, hydrated Ru(II) 1,10-phenanthroline-5,6-dione complex.

D. Armstrong, M. O. Wolf, M. Majewski, 2013, Journal of the American Chemical Society.

Metabolomic study reveals a selective accumulation of l-arginine in the d-ornithine treated tobacco cell suspension culture

U. Roessner, D. Armstrong, F. Ghanati, 2014 .

Measurement of nitrophenols in rain and air by two-dimensional liquid chromatography-chemically active liquid core waveguide spectrometry.

D. Armstrong, A. Azad, S. Mishra, 2010, Analytical chemistry.

Characterization of phosphonium ionic liquids through a linear solvation energy relationship and their use as GLC stationary phases

D. Armstrong, Daniel W Armstrong, Zachary S Breitbach, 2008, Analytical and bioanalytical chemistry.

Development and evaluation of gas and liquid chromatographic methods for the analysis of fatty amines.

D. Armstrong, A. Berthod, Chengdong Xu, 2014, Journal of separation science.

Comprehensive two-dimensional gas chromatography using a high-temperature phosphonium ionic liquid column

D. Armstrong, J. Seeley, S. Seeley, 2008, Analytical and bioanalytical chemistry.

Separation of peptides on superficially porous particle based macrocyclic glycopeptide liquid chromatography stationary phases: consideration of fast separations

D. Armstrong, Rasangi M Wimalasinghe, Zachary S. Breitbach, 2017, Analytical and Bioanalytical Chemistry.

Sensitive detection of anionic metabolites of drugs by positive ion mode HPLC-PIESI-MS

D. Armstrong, D. Spudeit, Chengdong Xu, 2015 .

Mechanism and sensitivity of anion detection using rationally designed unsymmetrical dications in paired ion electrospray ionization mass spectrometry.

D. Armstrong, Chengdong Xu, Zachary S. Breitbach, 2014, Analytical chemistry.

Combined use of cyclofructans and an amino acid ester‐based ionic liquid for the enantioseparation of huperzine A and coumarin derivatives in CE

I. Stavrou, C. Kapnissi-Christodoulou, Zachary S. Breitbach, 2015, Electrophoresis.

Separation of multiply charged anions by capillary electrophoresis using alkyl phosphonium pairing agents

D. Armstrong, Eranda Wanigasekara, Zachary S. Breitbach, 2012, Electrophoresis.

Evaluation of tetracationic salts as gas-phase ion-pairing agents for the detection of trivalent anions in positive mode electrospray ionization mass spectrometry.

D. Armstrong, Eranda Wanigasekara, Zachary S. Breitbach, 2010, Rapid communications in mass spectrometry : RCM.

Reduced matrix effects for anionic compounds with paired ion electrospray ionization mass spectrometry.

D. Armstrong, Zachary S. Breitbach, Hongyue Guo, 2016, Analytica chimica acta.

Unsymmetrical dicationic ionic liquids: Manipulation of physicochemical properties using specific structural architectures

D. Armstrong, Zachary S. Breitbach, Tharanga Payagala, 2007 .

Superficially porous particles vs. fully porous particles for bonded high performance liquid chromatographic chiral stationary phases: isopropyl cyclofructan 6.

D. Armstrong, D. Spudeit, G. Micke, 2014, Journal of chromatography. A.

Rapid determination of sample purity and composition by nanopore stochastic sensing.

D. Armstrong, X. Guan, D. Krishantha, 2011, Nanoscale.

Gram Scale Conversion of R-BINAM to R-NOBIN.

D. Armstrong, F. Foss, Darshan C. Patel, 2016, The Journal of organic chemistry.

Coronatine Facilitates Pseudomonas syringae Infection of Arabidopsis Leaves at Night

D. Armstrong, M. Melotto, Zachary S. Breitbach, 2016, Front. Plant Sci..

Metal cation detection in positive ion mode electrospray ionization mass spectrometry using a tetracationic salt as a gas-phase ion-pairing agent: evaluation of the effect of chelating agents on detection sensitivity.

D. Armstrong, Chengdong Xu, Zachary S. Breitbach, 2012, Rapid communications in mass spectrometry : RCM.

The evaluation and comparison of trigonal and linear tricationic ion-pairing reagents for the detection of anions in positive mode ESI-MS

D. Armstrong, Eranda Wanigasekara, Zachary S. Breitbach, 2009, Journal of the American Society for Mass Spectrometry.

Enantiomeric impurities in chiral synthons, catalysts, and auxiliaries. Part 3.

D. Armstrong, Zachary S. Breitbach, Ke Huang, 2006, Tetrahedron, asymmetry.

Evaluation of flexible linear tricationic salts as gas-phase ion-pairing reagents for the detection of divalent anions in positive mode ESI-MS.

D. Armstrong, Eranda Wanigasekara, Zachary S. Breitbach, 2008, Analytical chemistry.

Separations of Cycloinulooligosaccharides via Hydrophilic Interaction Chromatography (HILIC) and Ligand-Exchange Chromatography

D. Armstrong, Zachary S. Breitbach, Chunlei Wang, 2010 .

High efficiency, narrow particle size distribution, sub-2 μm based macrocyclic glycopeptide chiral stationary phases in HPLC and SFC.

D. Armstrong, M. F. Wahab, Chandan L Barhate, 2015, Analytica chimica acta.

The use of cyclofructans as novel chiral selectors for gas chromatography.

D. Armstrong, Zachary S. Breitbach, Chunlei Wang, 2010, The Analyst.

Mass spectrometric detection of trace anions: The evolution of paired-ion electrospray ionization (PIESI).

D. Armstrong, A. Berthod, Zachary S. Breitbach, 2016, Mass spectrometry reviews.

Mechanisms of ESI-MS selectivity and sensitivity enhancements when detecting anions in the positive mode using cationic pairing agents.

D. Armstrong, K. Schug, Eranda Wanigasekara, 2010, Analytical chemistry.

Development of new HPLC chiral stationary phases based on native and derivatized cyclofructans.

D. Armstrong, Zachary S. Breitbach, Chunlei Wang, 2009, Analytical chemistry.

Synthesis and examination of sulfated cyclofructans as a novel class of chiral selectors for CE

D. Armstrong, Zachary S. Breitbach, Chunxia Jiang, 2009, Electrophoresis.

Use of sulfated cyclofructan 6 and sulfated cyclodextrins for the chiral separation of four basic pharmaceuticals by capillary electrophoresis.

Yu Ping Zhang, D. Armstrong, Mingxian Huang, 2013, Chirality.

Gone in seconds: praxis, performance, and peculiarities of ultrafast chiral liquid chromatography with superficially porous particles.

D. Armstrong, Darshan C. Patel, M. F. Wahab, 2015, Analytical chemistry.

Ultrafast separation of fluorinated and desfluorinated pharmaceuticals using highly efficient and selective chiral selectors bonded to superficially porous particles.

D. Armstrong, C. Welch, E. Regalado, 2015, Journal of chromatography. A.

Enantiomeric separations of ruthenium (II) polypyridyl complexes using HPLC with cyclofructan chiral stationary phases.

D. Armstrong, S. Perera, F. MacDonnell, 2015, Chirality.

Enantiomeric separation of isochromene derivatives by high-performance liquid chromatography using cyclodextrin based stationary phases and principal component analysis of the separation data.

D. Armstrong, Yasith S. Nanayakkara, Zachary S. Breitbach, 2013, Journal of chromatography. A.

The enantiomeric separation of tetrahydrobenzimidazoles cyclodextrins- and cyclofructans.

D. Armstrong, Yun‐Cheol Na, S. Perera, 2013, Chirality.

The enantiomeric separation of 4,5-disubstituted imidazoles by HPLC and CE using cyclodextrin-based chiral selectors

D. Armstrong, C. J. Lovely, Zachary S. Breitbach, 2010 .

Enantioseparation of citalopram analogues with sulfated β‐cyclodextrin by capillary electrophoresis

D. Armstrong, Shusheng Zhang, Zachary S. Breitbach, 2016, Electrophoresis.

Problems and Pitfalls in the Analysis of Amygdalin and Its Epimer.

D. Armstrong, A. Berthod, M. F. Wahab, 2015, Journal of agricultural and food chemistry.

Carboxylated cyclofructan 6 as a hydrolytically stable high efficiency stationary phase for hydrophilic interaction liquid chromatography and mixed mode separations

D. Armstrong, M. F. Wahab, Zachary S. Breitbach, 2016 .

CE‐ESI‐MS separation of divalent organic and inorganic anions using a tricationic complexing reagent

D. Armstrong, C. Colyer, Xiuli Lin, 2012, Electrophoresis.

Detection of nucleotides in positive-mode electrospray ionization mass spectrometry using multiply-charged cationic ion-pairing reagents

D. Armstrong, Eranda Wanigasekara, Zachary S. Breitbach, 2010, Analytical and bioanalytical chemistry.

Positive mode electrospray ionization mass spectrometry of bisphosphonates using dicationic and tricationic ion-pairing agents.

D. Armstrong, Eranda Wanigasekara, Zachary S. Breitbach, 2009, Analytica chimica acta.

Trigonal tricationic ionic liquids: a generation of gas chromatographic stationary phases.

D. Armstrong, L. Sidisky, Eranda Wanigasekara, 2009, Analytical chemistry.

Thermal racemization of biaryl atropisomers

D. Armstrong, A. Berthod, Zachary S. Breitbach, 2017 .

Screening primary racemic amines for enantioseparation by derivatized polysaccharide and cyclofructan columns☆

D. Armstrong, A. Berthod, Zachary S. Breitbach, 2016, Journal of Pharmaceutical Analysis.

Enantiomeric separation of biaryl atropisomers using cyclofructan based chiral stationary phases.

D. Armstrong, Gongqiang Li, Hongyin Gao, 2014, Journal of chromatography. A.

Quinine bonded to superficially porous particles for high-efficiency and ultrafast liquid and supercritical fluid chromatography.

D. Armstrong, Darshan C. Patel, Zachary S. Breitbach, 2017, Analytica chimica acta.

Advances in high-throughput and high-efficiency chiral liquid chromatographic separations.

D. Armstrong, Darshan C. Patel, M. F. Wahab, 2016, Journal of chromatography. A.

Determination of the interconversion energy barrier of three novel pentahelicene derivative enantiomers by dynamic high resolution liquid chromatography.

D. Armstrong, P. Kroll, P. Májek, 2017, Journal of chromatography. B, Analytical technologies in the biomedical and life sciences.

High-Performance Liquid Chromatographic Resolution of Neutral and Cationic Hetero[6]Helicenes.

D. Armstrong, E. Francotte, C. Villani, 2016, Chirality.

Enantiomeric separation of citalopram analogues by HPLC using macrocyclic glycopeptide and cyclodextrin based chiral stationary phases

D. Armstrong, G. Micke, Zachary S. Breitbach, 2016 .

Enantiomeric separations of α-aryl ketones with cyclofructan chiral stationary phases via high performance liquid chromatography and supercritical fluid chromatography.

D. Armstrong, Qinglong Xu, Zachary S. Breitbach, 2016, Journal of chromatography. A.

Superficially Porous Particle Based Hydroxypropyl-β-cyclodextrin Stationary Phase for High-Efficiency Enantiomeric Separations.

D. Armstrong, D. Spudeit, G. Micke, 2015, Chirality.

Separation of therapeutic peptides with cyclofructan and glycopeptide based columns in hydrophilic interaction liquid chromatography.

D. Armstrong, J. Lang, Zachary S. Breitbach, 2015, Journal of chromatography. A.

Enantiomeric separations of illicit drugs and controlled substances using cyclofructan-based (LARIHC) and cyclobond I 2000 RSP HPLC chiral stationary phases.

D. Armstrong, Zachary S. Breitbach, Edra Dodbiba, 2014, Drug testing and analysis.

Comparison of enantiomeric separations and screening protocols for chiral primary amines by SFC and HPLC

D. Armstrong, Zachary S. Breitbach, Ross M. Woods, 2014 .

Comparison of superficially porous and fully porous silica supports used for a cyclofructan 6 hydrophilic interaction liquid chromatographic stationary phase.

D. Armstrong, D. Spudeit, G. Micke, 2014, Journal of chromatography. A.

CE‐ESI‐MS analysis of singly charged inorganic and organic anions using a dicationic reagent as a complexing agent

D. Armstrong, C. Colyer, Xiuli Lin, 2009, Electrophoresis.

Evaluating the use of tricationic reagents for the detection of doubly charged anions in the positive mode by ESI-MS.

D. Armstrong, Eranda Wanigasekara, Zachary S. Breitbach, 2008, Analytical Chemistry.

Evaluation of dicationic reagents for their use in detection of anions using positive ion mode ESI-MS via gas phase ion association

D. Armstrong, Zachary S. Breitbach, J. Crank, 2008, Journal of the American Society for Mass Spectrometry.

Abstracts of Papers Presented at the 2008 Pittsburgh Conference

Ming Gu, Balaji Viswanathan, Scott Ramos, 2009, Journal of automated methods & management in chemistry.

Separation of inorganic and small organic anions by CE using phosphonium‐based mono‐ and dicationic reagents

D. Armstrong, E. Tesařová, P. Coufal, 2009, Electrophoresis.

1,3-Dimethylamylamine (DMAA) in supplements and geranium products: natural or synthetic?

D. Armstrong, Zachary S. Breitbach, Ross M. Woods, 2012, Drug testing and analysis.

Preparation and Evaluation of HPLC Chiral Stationary Phases Based on Cationic/Basic Derivatives of Cyclofructan 6

D. Armstrong, A. Berthod, Zachary S. Breitbach, 2015, Journal of liquid chromatography & related technologies.

A Standardized 2D-LC Screening Platform for Peak Purity Determination in Pharmaceutical Analysis

Michael Lesslie, John T Lawler, Zachary S. Breitbach, 2023, LCGC North America.

Hydroxypropyl beta cyclodextrin bonded superficially porous particle-based HILIC stationary phases

D. Armstrong, Rasangi M Wimalasinghe, Zachary S. Breitbach, 2016 .

Chlorinated aromatic derivatives of cyclofructan 6 as HPLC chiral stationary phases

D. Armstrong, A. Berthod, M. Khan, 2016 .

Separation of therapeutic peptides with cyclofructan and glycopeptide based columns in hydrophilic interaction liquid chromatography.

D. Armstrong, J. Lang, Zachary S. Breitbach, 2015, Journal of chromatography. A.

Comparison of superficially porous and fully porous silica supports used for a cyclofructan 6 hydrophilic interaction liquid chromatographic stationary phase.

D. Armstrong, D. Spudeit, G. Micke, 2014, Journal of Chromatography A.

Cellular and cell-free studies of catalytic DNA cleavage by ruthenium polypyridyl complexes containing redox-active intercalating ligands

F. MacDonnell, Zachary S. Breitbach, C. Griffith, 2017, Chemical science.

Enantioseparation of citalopram analogues with sulfated β‐cyclodextrin by capillary electrophoresis

D. Armstrong, Shusheng Zhang, Zachary S. Breitbach, 2016, Electrophoresis.

Unified chromatography in drug development: Exploiting chaotropic/kosmotropic salts for an accelerated method development.

Zachary S. Breitbach, G. L. Losacco, Paul L. Walsh, 2023, Journal of chromatography. A.

Mechanism and sensitivity of anion detection using rationally designed unsymmetrical dications in paired ion electrospray ionization mass spectrometry.

D. Armstrong, Chengdong Xu, Zachary S. Breitbach, 2014, Analytical chemistry.