Výsledky vyhledávání - "Robert E. Moran"

Measuring porosities of chromatographic columns utilizing a mass-based total pore-blocking method: Superficially porous particles and pore-blocking critical pressure mechanism

Autor: Nicole M. Devitt, Mark R. Schure, Justin M. Godinho, Brian M. Wagner, Robert E. Moran

Publikováno v: Journal of Chromatography A. 1595:117-126

Experimentally determined total, interstitial and intraparticle porosity values are necessary to equate theory, simulation and experimental column performance. This paper reports a study of a mass-based technique for determining total, interstitial a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24576c508bca491379541b6ec8fe2ff2
https://doi.org/10.1016/j.chroma.2019.02.045

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Superficially porous particles with 1000Å pores for large biomolecule high performance liquid chromatography and polymer size exclusion chromatography

Autor: Brian M. Wagner, Mark R. Schure, Barry E. Boyes, Robert E. Moran, Stephanie A. Schuster, Taylor J. Shields, Mark J. Haynes, Joseph J. Kirkland, William L. Miles

Publikováno v: Journal of Chromatography A. 1489:75-85

To facilitate mass transport and column efficiency, solutes must have free access to particle pores to facilitate interactions with the stationary phase. To ensure this feature, particles should be used for HPLC separations which have pores sufficien

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d71209da15548ec97477c6e9e09c4fe4
https://doi.org/10.1016/j.chroma.2017.01.082

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Size exclusion chromatography with superficially porous particles

Autor: Robert E. Moran, Mark R. Schure

Publikováno v: Journal of Chromatography A. 1480:11-19

A comparison is made using size-exclusion chromatography (SEC) of synthetic polymers between fully porous particles (FPPs) and superficially porous particles (SPPs) with similar particle diameters, pore sizes and equal flow rates. Polystyrene molecul

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f47b0cab0a359233d322e36ce7186e29
https://doi.org/10.1016/j.chroma.2016.12.016

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Environmental occurrence and impacts of arsenic at gold mining sites in the western United States

Autor: Robert E. Moran, Vladimir Straskraba

Publikováno v: International Journal of Mine Water. 9:181-191

Arsenic is a common element in the natural environment and is frequently a significant component in gold deposits of the western United States. Such deposits contain various forms of arsenic: arsenides, sulfides, and sulfosalts. Upon weathering such

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eada0639983fafd9c75bd2a53466335e
https://doi.org/10.1007/bf02503691

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The Negro Dependent Child in Louisiana, 1800-1935

Autor: Robert E. Moran

Publikováno v: Social Service Review. 45:53-61

Before the Civil War most of the slaves had no problem of dependency, for the master had the entire responsibility for all his slave children. Conversely, free black dependent children were placed in parish jails, from which they were apprenticed to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::69b876dbb82489ebf76d4e3c3034e19e
https://doi.org/10.1086/642646

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