Results 231 to 240 of about 974,689 (293)

Upcycling eggshell waste into sustainable and portable chiral membranes for the physical separation and electrocatalytic deracemization of enantiomers. [PDF]

RSC Adv
Niamlaem M, Grecchi S, Longhi M, Arnaboldi S.   +3 more
europepmc   +1 more source

Optimization of the Mobile Phase Composition for Preparative Chiral Separation of Flurbiprofen Enantiomers

Separation and Purification Technology, 2009
This work presents the experimental and simulation results obtained for the optimization of the mobile phase composition for the preparative separation of flurbiprofen enantiomers by liquid chromatography using an amylose-based chiral stationary phase (
Alírio E. Rodrigues, Luís S Pais, Nuno Graça   +2 more
exaly   +2 more sources

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Separations of Enantiomers by Preparative Capillary Isotachophoresis

Electrophoresis, 1999
The use of capillary isotachophoresis (ITP), operating in a discontinuous fractionation mode, for preparative separations of enantiomers of chiral compounds was studied. The ITP separations were carried out in the column-coupling configuration of the separation unit provided with the preseparation column of a 1.0 mm ID and the trapping column of a 0.8 ...
Adriana Ferancova, Dusan Kaniansky, D Kaniansky   +2 more
exaly   +3 more sources

Preparative chromatographic separation of enantiomers

Journal of Chromatography B: Biomedical Sciences and Applications, 1992
The potential of the chromatographic separation of enantiomers on a preparative scale as a tool for the isolation of optically pure compounds is gaining increasing recognition. This review surveys the different chiral stationary phases (CSPs) used for preparative chromatography, emphasizing the advantages and drawbacks of each.
E, Francotte, A, Junker-Buchheit
openaire   +2 more sources

Bottom‐Up Preparation of Phase‐Separated Polymersomes

Macromolecular Bioscience, 2023
AbstractA bottom‐up approach to fabricating monodisperse, two‐component polymersomes that possess phase‐separated (“patchy”) chemical topology is presented. This approach is compared with already‐existing top‐down preparation methods for patchy polymer vesicles, such as film rehydration.
Safa Almadhi, Joe Forth, Laura Rodriguez‐Arco, Aroa Duro‐Castano, Ian Williams, Lorena Ruiz‐Pérez, Giuseppe Battaglia   +6 more
openaire   +3 more sources

Preparation and separation of epothilones with anticancer activity

Chemical Biology & Drug Design, 2020
AbstractEpothilone is a kind of macrolide compound, which has anticancer activity and strong inhibitory effect on breast cancer and rectal cancer cells. Herein, the chemical and biological synthesis of epothilones and how to improve fermentation yield and separation methods were summarized and discussed.
Rong Long, Wenjian Yang, Gangliang Huang
openaire   +2 more sources

Preparative Separation of Mixtures by Mass Spectrometry

Analytical Chemistry, 2005
A specially designed mass spectrometer which allows for preparative separation of mixtures is described. This mass spectrometer allows for large ion currents, on the order of nanoamperes, to be produced by electrospray and transmitted into a high vacuum.
Philip S, Mayer, Frantisek, Turecek, Hak-No, Lee, Adi A, Scheidemann, Terry N, Olney, Frank, Schumacher, Petr, Strop, Martin, Smrcina, Marcel, Pátek, Daniel, Schirlin   +9 more
openaire   +2 more sources

A Chromatographic Method for the Preparative Separation of Phosphohistidines

Analytical Biochemistry, 1998
The driving force behind this new chromatographic technique was to develop a method for purifying preparative quantities of phosphohistidines in a single step that provided good resolution wit eluants that could be easily removed. The current method can provide milligram quantities of each phosphohistidine; however, the later 1H NMR analysis of the ...
P G, Besant, L, Byrne, G, Thomas, P V, Attwood   +3 more
openaire   +2 more sources

Ibuprofen Agglomerates Preparation by Phase Separation

Drug Development and Industrial Pharmacy, 1999
The compression ability and dissolution rate of ibuprofen are poor. There are many processes to optimize these properties through adapted formulations. However, it would be more satisfactory to obtain directly during the crystallization step crystalline particles that can be directly compressed and quickly dissolved.
M, Jbilou, A, Ettabia, A M, Guyot-Hermann, J C, Guyot   +3 more
openaire   +2 more sources