Haidar Ahmad IA - Search Results

1

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

Wang H, Lhotka HR, Bennett R, Potapenko M, Pickens CJ, Mann BF, Haidar Ahmad IA, Regalado EL. Wang H, et al. Among authors: haidar ahmad ia. J Chromatogr A. 2020 Jul 5;1622:460895. doi: 10.1016/j.chroma.2020.460895. Epub 2020 Jan 16. J Chromatogr A. 2020. PMID: 32408991

2

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

Allen RC, Barnes BB, Haidar Ahmad IA, Filgueira MR, Carr PW. Allen RC, et al. Among authors: haidar ahmad ia. J Chromatogr A. 2014 Sep 26;1361:169-77. doi: 10.1016/j.chroma.2014.08.012. Epub 2014 Aug 13. J Chromatogr A. 2014. PMID: 25169724

3

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

Haidar Ahmad IA, Soliven A, Allen RC, Filgueira M, Carr PW. Haidar Ahmad IA, et al. J Chromatogr A. 2015 Mar 20;1386:31-8. doi: 10.1016/j.chroma.2014.11.069. Epub 2014 Dec 4. J Chromatogr A. 2015. PMID: 25681829

4

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

Tsay FR, Haidar Ahmad IA, Henderson D, Schiavone N, Liu Z, Makarov AA, Mangion I, Regalado EL. Tsay FR, et al. Among authors: haidar ahmad ia. J Chromatogr A. 2019 Feb 22;1587:129-135. doi: 10.1016/j.chroma.2018.12.018. Epub 2018 Dec 11. J Chromatogr A. 2019. PMID: 30591245

5

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

Bennett R, Biba M, Liu J, Haidar Ahmad IA, Hicks MB, Regalado EL. Bennett R, et al. Among authors: haidar ahmad ia. J Chromatogr A. 2019 Jun 21;1595:190-198. doi: 10.1016/j.chroma.2019.02.017. Epub 2019 Feb 7. J Chromatogr A. 2019. PMID: 30803788

6

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

Haidar Ahmad IA , Chen W , Halsey HM , Klapars A , Limanto J , Pirrone GF , Nowak T , Bennett R , Hartman R , Makarov AA , Mangion I , Regalado EL . Haidar Ahmad IA , et al. Analyst. 2019 Apr 23;144(9):2872-2880. doi: 10.1039/c8an02499e. Analyst. 2019. PMID: 30830135

7

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.

Haidar Ahmad IA, Blasko A, Tam J, Variankaval N, Halsey HM, Hartman R, Regalado EL. Haidar Ahmad IA, et al. J Chromatogr A. 2019 Oct 11;1603:1-7. doi: 10.1016/j.chroma.2019.04.017. Epub 2019 Apr 27. J Chromatogr A. 2019. PMID: 31196588

8

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

Regalado EL, Haidar Ahmad IA, Bennett R, D'Atri V, Makarov AA, Humphrey GR, Mangion I, Guillarme D. Regalado EL, et al. Among authors: haidar ahmad ia. Acc Chem Res. 2019 Jul 16;52(7):1990-2002. doi: 10.1021/acs.accounts.9b00068. Epub 2019 Jun 14. Acc Chem Res. 2019. PMID: 31198042

9

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

Liu J, Makarov AA, Bennett R, Haidar Ahmad IA, DaSilva J, Reibarkh M, Mangion I, Mann BF, Regalado EL. Liu J, et al. Among authors: haidar ahmad ia. Anal Chem. 2019 Nov 5;91(21):13907-13915. doi: 10.1021/acs.analchem.9b03408. Epub 2019 Oct 8. Anal Chem. 2019. PMID: 31549812

10

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.

Pickens CJ, Haidar Ahmad IA, Makarov AA, Bennett R, Mann BF, Regalado EL. Pickens CJ, et al. Among authors: haidar ahmad ia. Anal Bioanal Chem. 2020 Apr;412(11):2655-2663. doi: 10.1007/s00216-020-02498-8. Epub 2020 Mar 4. Anal Bioanal Chem. 2020. PMID: 32128644

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