Results 41 to 50 of about 137,428 (211)

Isocratic Resolution of Fluoroquinolone-Based Antibiotics on the Phenylethyl-Bonded Phase under Nonaqueous Elution: A Consideration of the Separation Mechanism

International Journal of Analytical Chemistry, 2018
This paper reports the isocratic resolution of 10 fluoroquinolone-based antibiotics and their precursors on the phenylethyl-bonded phase under the elution of the nonaqueous mobile phase composed of acetonitrile, methanol, acetic acid, and triethylamine ...
Yu-Xuan Gao, Shushi Chen
doaj   +1 more source

Reversed-phase fused-core HPLC modeling of peptides

Journal of Pharmaceutical Analysis, 2013
Different fused-core stationary phase chemistries (C18, Amide, Phenyl-hexyl and Peptide ES-C18) were used for the analysis of 21 structurally representative model peptides.
Matthias D'Hondt, Bert Gevaert, Sofie Stalmans, Sylvia Van Dorpe, Evelien Wynendaele, Kathelijne Peremans, Christian Burvenich, Bart De Spiegeleer   +7 more
doaj   +1 more source

Gas Chromatographic Retention Index Prediction Using Multimodal Machine Learning

IEEE Access, 2020
Gas chromatography is a widely used method in analytical chemistry and metabolomics. Using gas chromatography, vaporizable compounds can be separated for their further identification.
Dmitriy D. Matyushin, Aleksey K. Buryak
doaj   +1 more source

Glycomic analysis of high density lipoprotein shows a highly sialylated particle. [PDF]

, 2014
Many of the functional proteins and lipids in high density lipoprotein (HDL) particles are potentially glycosylated, yet very little is known about the glycoconjugates of HDL.
German, J Bruce, Huang, Jincui, Lebrilla, Carlito B, Lee, Hyeyoung, Rivera, Nancy, Smilowitz, Jennifer T, Zivkovic, Angela M   +6 more
core   +1 more source

Gold nano-particle modified silica monolithic micro-columns for selected chromatographic and biological applications. [PDF]

, 2011
Monolithic microcolumns and especially silica monoliths are showing several advantages compared to classical particle packed and organic polymeric monolithic columns: ease of production and functionalisation, excellent mechanical and thermal stability ...
Clarke, Paul A., Danilevics, Ugis, Nesterenko, Ekaterina, O'Connor, Brendan, Paull, Brett, Thompson, Roisin   +5 more
core  

Analysis of imidazoles and triazoles in biological samples after MicroExtraction by packed sorbent [PDF]

, 2017
This paper reports the MEPS-HPLC-DAD method for the simultaneous determination of 12 azole drugs (bifonazole, butoconazole, clotrimazole, econazole, itraconazole, ketoconazole, miconazole, posaconazole, ravuconazole, terconazole, tioconazole and ...
Bellagamba, Giuseppe, Campestre, Cristina, Carradori, Simone, Celia, Christian, De Luca, Elisa, Di Marzio, Luisa, Guglielmi, Paolo, Locatelli, Marcello, Menta, Sergio, Zengin, Gokhan   +9 more
core   +3 more sources

Predicting drug penetration across the blood-brain barrier: comparison of different stationary phases for immobilized artificial membrane liquid chromatography [PDF]

, 2014
Several in vitro methods have been tested for their ability to predict drug penetration across the blood-brain barrier into the central nervous system. In this article, the performance of three stationary phases for immobilized artificial membrane (IAM ...
De Vrieze, Mike, Lynen, Frederic, Sandra, Patrick, Szucs, Roman, Verzele, Dieter   +4 more
core  

Countercurrent chromatography in analytical chemistry (IUPAC technical report) [PDF]

, 2009
© 2009 IUPACCountercurrent chromatography (CCC) is a generic term covering all forms of liquid-liquid chromatography that use a support-free liquid stationary phase held in place by a simple centrifugal or complex centrifugal force field. Biphasic liquid
Abbey, Abe, Abe, Abe, Akiba, Akiba, Akiba, Alain Berthod, Bauer, Bauer, Berthod, Berthod, Berthod, Berthod, Berthod, Berthod, Billardello, Boris Spivakov, Chen, Chen, Chen, Chen, Chmutova, Chmutova, Chmutova, Conway, Conway, Conway, Countercurrent Chromatography, Dekker, Fedotov, Fitz, Friesen, Fujita, Garcia Dominguez, Hashimoto, Hashimoto, Ian A. Sutherland, Ikai, Ito, Ito, Ito, Ito, Ito, Jin, Jin, Jin, Kawamura, Kawamura, Kidwell, Kitazume, Kitazume, Kitazume, Kitazume, Kitazume, Kong, Lee, Lee, Lee, Lee, Liu, Ma, Ma, Mandava, Mandava, Marston, Marston, Marston, Maryutina, Maryutina, Maryutina, Maryutina, Maryutina, Matsuda, Menet, Muralidharan, Nakamura, Nakamura, Oleg Shpigun, Pauli, Pukhovskaya, Ruiz, Ruiz, Ruth, Schaufelberger, Schaufelberger, Schreiber, Shang, Spivakov, Spivakov, Spivakov, Stark, Sutherland, Tanaka, Tatyana Maryutina, Thurman, Tian, Usuda, Usuda, Wang, Wang, Watkins, Winterhalter, Wood, Wu, Yanagida, Yang, Yang, Yang, Yoshida, Yu, Zhang, Zhang   +112 more
core   +2 more sources

Comparison of the Retention and Separation Selectivity of Aromatic Hydrocarbons with Polar Groups in RP-HPLC Systems with Different Stationary Phases and Eluents

Molecules, 2020
In this manuscript, the retention of aromatic hydrocarbons with polar groups has been compared for systems with various nonpolar columns of the types from C3 to C18 and different mobile phases composed of methanol, acetonitrile, or tetrahydrofuran as ...
Anna Klimek-Turek, Beata Misiołek, Tadeusz H. Dzido   +2 more
doaj   +1 more source

Preparative separation of ketoprofen enantiomers: choice of mobile phase composition and measurement of competitive adsorption isotherms [PDF]

, 2007
The present work intends to investigate how mobile phase composition influences the adsorption behavior of ketoprofen enantiomers (a nonsteroidal anti-inflammatory drug) on an amylose-based chiral stationary phase (Chiralpak AD).
Graça, Nuno S., Pais, Luís S., Ribeiro, António E., Rodrigues, Alírio   +3 more
core   +1 more source