Results 21 to 30 of about 1,545,192 (292)

Fases estacionárias modernas para cromatografia líquida de alta eficiência em fase reversa Modern stationary phases for reversed phase high performance liquid chromatography

open access: yesQuímica Nova, 2010
This review first discusses the limitations of many of the supports and stationary phases used in reversed phase high performance liquid chromatography and then describes those, developed more recently, that present better stabilities and more versatile ...
Liane Maldaner   +2 more
doaj   +1 more source

Determination of Phloridzin and Other Phenolic Compounds in Apple Tree Leaves, Bark, and Buds Using Liquid Chromatography with Multilayered Column Technology and Evaluation of the Total Antioxidant Activity

open access: yesPharmaceuticals, 2022
Apples are known to be a rich source of phenolic compounds, however detailed studies about their content in the individual parts of apple trees are reported rarely.
Anežka Adamcová   +2 more
doaj   +1 more source

In Vitro Study on Four Types of Commercial Lectins on Leishmania infantum, L. major and L. tropica with Stage-Specific Binding and Leishmania Species Identification

open access: yesIranian Journal of Parasitology, 2023
Background: We aimed to verify the susceptibility of Leishmania infantum, L. major and L. tropica, to commercial lectins in order to identify the three Leishmania species.
Sona Aghaee Haddadan   +8 more
doaj   +1 more source

Stationary phase

open access: yes, 2014
Citation: 'stationary phase' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.S05949 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
SHIBATA TORU, SHINKURA SATOSHI
openaire   +5 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

open access: yesMolecules, 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   +2 more
doaj   +1 more source

Chiral Stationary Phases for Liquid Chromatography: Recent Developments

open access: yesMolecules, 2019
The planning and development of new chiral stationary phases (CSPs) for liquid chromatography (LC) are considered as continuous and evolutionary issues since the introduction of the first CSP in 1938.
Joana Teixeira   +3 more
doaj   +1 more source

Polar stationary phases for capillary electrochromatography

open access: yes, 2004
This review article summarizes the variety of polar stationary phases that have been employed for capillary electrochromatographic separations. Compared with reversed-phase stationary phases, the polar alternatives provide a completely different ...
Zou, HF, Xie, CH, Hu, JW, Fu, HJ
core   +1 more source

The separations using pure water as a mobile phase in liquid chromatography using polar-embedded stationary phases

open access: yesGreen Chemistry Letters and Reviews, 2019
Following the idea of green chemistry, especially green analytical chemistry, a series of stationary phases was synthesized. The obtained materials connect polar and hydrophobic groups in the structure of bonded ligands. These specific surface properties
Szymon Bocian, Katarzyna Krzemińska
doaj   +1 more source

Review on stationary phases and coating methods of MEMs gas chromatography columns

open access: yesReviews in Analytical Chemistry, 2020
Gas chromatography (GC) is an important and widely used technique for separation and analysis in the field of analytical chemistry. Micro gas chromatography has been developed in response to the requirement for on-line analysis and on-site analysis.
Yang Liu   +4 more
doaj   +1 more source

Study of Efficiency of Capacity Gradient Ion-Exchange Stationary Phases

open access: yesSeparations, 2022
Highly efficient columns are necessary for the modern analytical applications of liquid chromatography. In this work, the separation efficiency of ion-exchange capacity gradient stationary phases combined with eluent concentration gradient was studied by
Szabolcs Horváth   +3 more
doaj   +1 more source

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