Imad A. Haidar Ahmad

发表

The Emergence of Universal Chromatographic Methods in the Research and Development of New Drug Substances.

D. Guillarme, V. D’Atri, E. Regalado, 2019, Accounts of chemical research.

Enhanced fluidity liquid chromatography: A guide to scaling up from analytical to preparative separations.

Michael B. Hicks, Mirlinda Biba, Jinchu Liu, 2019, Journal of chromatography. A.

Chaotropic Effects in Supercritical Fluid Chromatography via Ammonium Hydroxide in Water-rich Modifiers: Enabling Separation of Peptides and Highly Polar Pharmaceuticals at Preparative Scale.

Jimmy O. DaSilva, M. Reibarkh, B. Mann, 2019, Analytical chemistry.

In Silico Method Development of Achiral and Chiral Tandem Column Reversed-phase Liquid Chromatography for Multicomponent Pharmaceutical Mixtures.

E. Regalado, I. Mangion, Heather Wang, 2022, Analytical chemistry.

Generic Enhanced Sub/Supercritical Fluid Chromatography: Blueprint for Highly Productive and Sustainable Separation of Primary Hindered Amines

Jimmy O. DaSilva, B. Mann, E. Regalado, 2020 .

Impact of reversed phase column pairs in comprehensive two-dimensional liquid chromatography.

R. C. Allen, P. Carr, M. Filgueira, 2014, Journal of Chromatography A.

Determining the absolute, chemical-heterogeneity-corrected molar mass averages, distribution, and solution conformation of random copolymers

A. Striegel, Imad A. Haidar Ahmad, 2010, Analytical and bioanalytical chemistry.

Comprehensive online multicolumn two-dimensional liquid chromatography-diode array detection-mass spectrometry workflow as a framework for chromatographic screening and analysis of new drug substances

B. Mann, E. Regalado, A. Makarov, 2020, Analytical and Bioanalytical Chemistry.

Generic anion-exchange chromatography method for analytical and preparative separation of nucleotides in the development and manufacture of drug substances.

E. Regalado, I. Mangion, A. Makarov, 2019, Journal of chromatography. A.

Introducing online multicolumn two-dimensional liquid chromatography screening for facile selection of stationary and mobile phase conditions in both dimensions.

B. Mann, E. Regalado, Heather Wang, 2020, Journal of chromatography. A.

Generic Ion Chromatography–Conductivity Detection Method for Analysis of Palladium Scavengers in New Drug Substances

L. Zou, E. Regalado, I. Mangion, 2019, Organic Process Research & Development.

In Silico Multifactorial Modeling for Streamlined Development and Optimization of Two-Dimensional Liquid Chromatography.

D. Stoll, E. Regalado, I. Mangion, 2021, Analytical chemistry.

Introducing multifactorial peak crossover in analytical and preparative chromatography via computer-assisted modeling.

B. Mann, E. Regalado, Timothy Nowak, 2020, Analytical chemistry.

Influence of second virial coefficient and persistence length on dilute solution polymer conformation

A. Striegel, Imad A. Haidar Ahmad, 2011, Analytical and bioanalytical chemistry.

Necessary Analytical Skills and Knowledge for Identifying, Understanding, and Performing HPLC Troubleshooting

Imad A. Haidar Ahmad, 2017, Chromatographia.

Optimization of gradient reversed phase chromatographic peak capacity for low molecular weight solutes.

P. Carr, M. Filgueira, Imad A. Haidar Ahmad, 2013, Journal of chromatography. A.

Enantioselective UHPLC Screening Combined with In Silico Modeling for Streamlined Development of Ultrafast Enantiopurity Assays.

Jimmy O. DaSilva, D. Armstrong, F. Gasparrini, 2021, Analytical chemistry.

Parallel chiral sub/supercritical fluid chromatography screening as a framework for accelerated purification of pharmaceutical targets.

Jimmy O. DaSilva, T. Berger, E. Regalado, 2022, Journal of chromatography. A.

Cleaning verification: Exploring the effect of the cleanliness of stainless steel surface on sample recovery

A. Blasko, Imad A. Haidar Ahmad, Xue Li, 2017, Journal of pharmaceutical and biomedical analysis.

Charged aerosol detection in early and late-stage pharmaceutical development: selection of regression models at optimum power function value

E. Regalado, A. Blasko, I. Mangion, 2022, Journal of Chromatography A.

Comparison of core-shell particles and sub-2μm fully porous particles for use as ultrafast second dimension columns in two-dimensional liquid chtomatography.

P. Carr, M. Filgueira, Imad A. Haidar Ahmad, 2015, Journal of chromatography. A.

Trapping-Enrichment Multidimensional Liquid Chromatography with On-Line Deuterated Solvent Exchange for Streamlined Structure Elucidation at the Microgram Scale.

D. Guillarme, D. Stoll, E. Regalado, 2022, Angewandte Chemie.

Deuterated Modifiers in Sub/Supercritical Fluid Chromatography for Streamlined NMR Structure Elucidation.

Jimmy O. DaSilva, E. Regalado, I. Mangion, 2022, Analytical chemistry.

In silico method development for the reversed-phase liquid chromatography separation of proteins using chaotropic mobile phase modifiers.

B. Mann, E. Regalado, I. Mangion, 2021, Journal of chromatography. B, Analytical technologies in the biomedical and life sciences.

Revealing the inner workings of the power function algorithm in Charged Aerosol Detection: A simple and effective approach to optimizing power function value for quantitative analysis.

E. Regalado, A. Blasko, Imad A. Haidar Ahmad, 2019, Journal of chromatography. A.

Mapping the Separation Landscape of Pharmaceuticals: Rapid and Efficient Scale-Up of Preparative Purifications Enabled by Computer-Assisted Chromatographic Method Development

Jimmy O. DaSilva, Raffeal Bennett, Imad A. Haidar Ahmad, 2019, Organic Process Research & Development.

A Coupled MALS-DRI Method for Simultaneous Zimm and ∂n/∂c Plot Construction

A. Striegel, Imad A. Haidar Ahmad, 2009 .

Determining the Chemical-Heterogeneity-Corrected Molar Mass Averages and Distribution of Poly(styrene-co-t-butyl methacrylate) Using SEC/MALS/UV/DRI

A. Striegel, Imad A. Haidar Ahmad, 2018, Chromatographia.

Improved synthesis of carbon-clad silica stationary phases.

P. Carr, Imad A. Haidar Ahmad, 2013, Analytical chemistry.

Multi-column ultra-high performance liquid chromatography screening with chaotropic agents and computer-assisted separation modeling enables process development of new drug substances.

E. Regalado, I. Mangion, Timothy Nowak, 2019, The Analyst.

An improved workflow for the development of MS-compatible liquid chromatography assay purity and purification methods by using automated LC Screening instrumentation and in silico modeling.

Imad A. Haidar Ahmad, Andrew N. Singh, Pankaj Aggarwal, 2024, Analytical and bioanalytical chemistry.