Search Results - "Striegel, M"

On-line coupling of hollow-fiber flow field-flow fractionation and depolarized multi-angle static light scattering (HF5/D-MALS). Proof of principle by Striegel, André M.

“…•On-line coupling of HF5 to depolarized MALS is demonstrated.•HF5/D-MALS applied to study of a Teflon latex.•Depolarization ratio of latex measured…”
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Size-exclusion chromatography of metal nanoparticles and quantum dots by Pitkänen, Leena, Striegel, André M.

“…•Size-exclusion chromatography (SEC) of metal nanoparticles (NPs) and quantum dots (QDs) is reviewed.•Problems associated with SEC analysis of NPs and QDs are…”
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Method development in interaction polymer chromatography by Striegel, André M.

“…Interaction polymer chromatography (IPC) is an umbrella term covering a large variety of primarily enthalpically-dominated macromolecular separation methods…”
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Absolute molar mass determination in mixed solvents. 2. SEC/MALS/DRI in a mix of two “nearly-isovirial” solvents by Striegel, André M.

“…The accurate determination of polymer molar mass (M) averages and distributions via size-based separation methods employing mixed solvents remains one of the…”
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Characterizing Styrene Monomer and Oligomers by SEC/MALS/VISC/DRI by Striegel, André M.

“…Worldwide polystyrene (PS) production in 2020 was approximately 27 million metric tons, distributed among many nations, making it one of the most heavily…”
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Size-Exclusion Chromatography: A Twenty-First Century Perspective by Striegel, André M.

“…Now in its sixth decade, size-exclusion chromatography (SEC) remains the premier method by which to determine the molar mass averages and distributions of…”
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Congratulations to CHROMATOGRAPHIA’s Editorial Advisory Board Award-Winning Members by Striegel, André M.

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Hydrodynamic Chromatography by Striegel, André M, Brewer, Amandaa K

“…Hydrodynamic chromatography (HDC) has experienced a resurgence in recent years for particle and polymer characterization, principally because of its coupling…”
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Absolute molar mass determination in mixed solvents. 1. Solving for the SEC/MALS/DRI “trivial” case by Striegel, André M., Sinha, Pritish

“…Size-exclusion chromatography (SEC) with on-line static light scattering, specifically multi-angle static light scattering (MALS), and differential…”
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Specific Refractive Index Increment (∂n/∂c) of Polymers at 660 nm and 690 nm by Striegel, André M.

“…The specific refractive index increment (∂ n /∂ c ) is an essential datum for the accurate quantitation of molar mass averages and distributions (inter alia)…”
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Introducing CHROMATOGRAPHIA’s Second Virtual Issue on Macromolecular Separations by Striegel, André M.

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Introducing Chromatographia Perspectives by Striegel, André M.

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Polysaccharide characterization by hollow-fiber flow field-flow fractionation with on-line multi-angle static light scattering and differential refractometry by Pitkänen, Leena, Striegel, André M.

“…•First demonstration of multi-detector HF5 analysis of polysaccharides.•Measured absolute molar masses of dextrans, pullulans, and larch…”
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Do column frits contribute to the on-column, flow-induced degradation of macromolecules? by Striegel, André M.

“…•Role of column frits in on-column, flow-induced polymer degradation was studied.•No degradation if frit pore radius is comparable to column hydraulic…”
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Hydrodynamic chromatography: packed columns, multiple detectors, and microcapillaries by Striegel, André M.

“…Hydrodynamic chromatography (HDC) is a liquid chromatographic technique that separates analytes on the basis of their size in solution. Separation can be…”
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Entropic-Based Separation of Diastereomers: Size-Exclusion Chromatography with Online Viscometry and Refractometry Detection for Analysis of Blends of Mannose and Galactose Methyl-α-pyranosides at “Ideal” Size-Exclusion Conditions by Striegel, André M., Trainoff, Steven P.

“…The separation of carbohydrate diastereomers by an ideal size-exclusion mechanism, i.e., in the absence of enthalpic contributions to the separation, can be…”
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Quantitative characterization of gold nanoparticles by size-exclusion and hydrodynamic chromatography, coupled to inductively coupled plasma mass spectrometry and quasi-elastic light scattering by Pitkänen, Leena, Montoro Bustos, Antonio R., Murphy, Karen E., Winchester, Michael R., Striegel, André M.

“…•Gold nanoparticle reference materials were characterized by SEC and HDC.•On-line ICP-MS and QELS employed.•Quantitative SEC and HDC separations were…”
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Multi-detector hydrodynamic chromatography of colloids: following in Hamish Small's footsteps by Striegel, André M.

“…Hamish Small, scientist extraordinaire, is best known as the inventor of both ion chromatography and hydrodynamic chromatography (HDC). The latter has…”
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Characterization of Copolymers and Blends by Quintuple-Detector Size-Exclusion Chromatography by Rowland, Steven M, Striegel, André M

“…The properties imparted, oftentimes synergistically, by the different components of copolymers and blends account for the widespread use of these in a variety…”
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Introducing the Inaugural Chromatographia Virtual Issue: Macromolecular Separations by Striegel, André M.

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