Search Results - "Krull, Ira S."

Applications of hydrophilic interaction chromatography to amino acids, peptides, and proteins by Periat, Aurélie, Krull, Ira S., Guillarme, Davy

“…This review summarizes the recent advances in the analysis of amino acids, peptides, and proteins using hydrophilic interaction chromatography. Various reports…”
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Author review in publishing science by Krull, Ira S.

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Derivatization of phospholipids by Wang, Yonghui, Krull, Ira S, Liu, Carrie, Orr, John D

“…Phospholipids are major components of biological membranes. Without chemical derivatization, it is difficult to identify and quantitate phospholipids in…”
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Capillary isoelectric focusing of proteins in uncoated fused silica capillaries using polymeric additives by Mazzeo, Jeff R, Krull, Ira S

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Phosphopeptide analysis by directly coupling two-dimensional planar electrochromatography/thin-layer chromatography with matrix-assisted laser desorption/ionization time-of-flight mass spectrometry by Panchagnula, Venkateswarlu, Mikulskis, Alvydas, Song, Linan, Wang, Yang, Wang, Mei, Knubovets, Tanya, Scrivener, Elaine, Golenko, Eva, Krull, Ira S., Schulz, Michael, Heinz-Emil-Hauck, Patton, Wayne F.

“…A novel strategy is presented for the fractionation of complex peptide mixtures using two-dimensional planar electrochromatography/thin-layer chromatography…”
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Integration of Multidimensional Chromatographic Protein Separations with a Combined “Top-Down” and “Bottom-Up” Proteomic Strategy by Millea, Kevin M, Krull, Ira S, Cohen, Steven A, Gebler, John C, Berger, Scott J

“…In this paper, we present a combined top-down/bottom-up proteomic analysis workflow for the characterization of proteomic samples. This workflow combines…”
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The Analysis of Synthetic Organic, Neutral Polymers Using Nonaqueous Capillary Gel Electrophoresis (NACGE) by Li, Guodong, Zhou, Xiaojuan, Wang, Yonghui, Krull, Ira S., Mistry, Kavita, Grinberg, Nelu, Cortes, Hernan

“…We describe, in this paper, efforts to develop an optimized, replaceable, polyethylene oxide [PEO, aka polyethylene glycol (PEG)] gel in nonaqueous CGE (NACGE)…”
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Comparative profiling of human saliva by intact protein LC/ESI-TOF mass spectrometry by Millea, Kevin M., Krull, Ira S., Chakraborty, Asish B., Gebler, John C., Berger, Scott J.

“…Human saliva is finding increasing interest for proteomic and biomarker-discovery studies, due to the ease of collection and potential for simpler processing…”
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Complete on-line determination of biopolymer molecular weight via high-performance liquid chromatography coupled to low-angle laser light scattering, ultraviolet, and differential refractive index detection by Stuting, Hans H, Krull, Ira S

“…An optically modified high-performance liquid chromatography refractive index detector was developed to allow complete on-line determinations for biopolymer…”
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Taking a Walk on the Wild Side with Planar Electrochromatography and Thin-Layer Electrophoresis: Of Peptides, Proteins, and Proteomics by Patton, Wayne F., Panchagnula, Venkateswarlu, Rockney, Erin, Krull, Ira S.

“…Planar electrochromatography (PEC) and thin-layer electrophoresis (TLE) are examined for their potential application to peptide and protein analysis, employing…”
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Evaluation of multidimensional (ion-exchange/reversed-phase) protein separations using linear and step gradients in the first dimension by Millea, Kevin M., Kass, Ignatius J., Cohen, Steven A., Krull, Ira S., Gebler, John C., Berger, Scott J.

“…The performance characteristics of multidimensional liquid chromatographic protein separations were evaluated using on-line electrospray mass detection, and a…”
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Rapid quantitative capillary zone electrophoresis method for monitoring the micro-heterogeneity of an intact recombinant glycoprotein by Berkowitz, Steven A., Zhong, Huijuan, Berardino, Martha, Sosic, Zoran, Siemiatkoski, Joseph, Krull, Ira S., Mhatre, Rohin

“…A simple high-resolution capillary zone electrophoresis (CZE) method capable of rapidly assessing the micro-heterogeneity of a 24 kDa molecular weight…”
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Application of affinity capillary electrophoresis for the determination of binding and thermodynamic constants of enediynes with bovine serum albumin by El-Shafey, Ahmed, Zhong, Huijuan, Jones, Graham, Krull, Ira S.

“…The binding constants and thermodynamic properties of a series of novel enediyne compounds with bovine serum albumin (BSA) were determined. The enediynes were…”
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Homogeneous fluorescent derivatization of large proteins by Liu, Hongji, Cho, Byung-Yun, Krull, Ira S, Cohen, Steven A

“…A method of homogeneously derivatizing large proteins for highly sensitive analysis is described. Homogeneity of the derivative was realized by tagging all the…”
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Separation of glycoproteins by capillary isoelectric focusing by Krull, Ira S, Kazmi, Sarah, Zhong, Huijuan, Santora, Ling Chen

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Separation of quaternary ammonium diastereomeric oligomers by capillary electrophoresis by Zhang, Bin, Krull, Ira S, Cohen, Aharon, Smisek, David L, Kloss, Alla, Wang, Bing, Bourque, Andre J

“…The separation of novel diastereomeric trimers (3M) and pentamers (5M), derived from quaternary ammonium salts, was studied in conventional, uncoated and…”
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Photoelectrochemical detector for high-performance liquid chromatography and flow injection analysis by LaCourse, William R, Krull, Ira S, Bratin, Karl

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Applications of hydrophilic interaction chromatography to amino acids, peptides, and proteins: Liquid Chromatography by Periat, Aurélie, Krull, Ira S., Guillarme, Davy

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Complexation with iron at sub-ppm levels in HPLC analyses of phospholipids by Wang, Yonghui, Krull, Ira S., Liu, Carrie, Orr, John D.

“…Gradient RP‐HPLC analysis of a phospholipid, E5564, utilizing water, methanol and phosphoric acid occasionally results in the appearance of a broad unknown…”
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Determination of on-line differential refractive index and molecular weight via gradient HPLC interfaced with low-angle laser light scattering, ultraviolet, and refractive index detection by Mhatre, Rohin, Krull, Ira S

“…Gradient ion-exchange chromatography (IEC) was interfaced with a low-angle laser light scattering photometer (LALLS) and ultraviolet (UV) and refractive index…”
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