pH-Zone-refining counter-current chromatography (PZRCCC) was successfully used for preparative separation isoquinoline alkaloids from Phellodendri Cortex.
Daijie Wang +7 more
doaj +3 more sources
Separation of organochlorsilanes by preparative gas chromatography
The preparative gas chromatography method has been used for isolation and analysis of the organochlorsilanes isomers. The reaction of the organochlorsilanes with vapour of the water in the air has been studied.
G. N. Turkeltaub, E. A. Chernyshev
doaj +1 more source
Fixed-bed and simulated moving bed chromatography using achiral and chiral adsorbents for the complete preparative separation of a quaternary mixture [PDF]
Nadolol is a nonselective beta-adrenergic receptor antagonist (beta-blocker) pharmaceutical drug, widely used in the treatment of cardiovascular diseases, such as hypertension, ischemic heart disease (angina pectoris), congestive heart failure and ...
Pais, Luís S. +3 more
core +3 more sources
Separation of Molar Weight-Distributed Polyethylene Glycols by Reversed-Phase Chromatography—II. Preparative Isolation of Pure Single Homologs [PDF]
The isolation of single homologs of polyethylene glycol by preparative reversed-phase chromatography is investigated. A thermodynamic model developed accurately previously describes the retention times of individual homologs as function of their size ...
Bornschein, Benedikt +7 more
core +1 more source
Complete separation of the quaternary mixture of nadolol stereoisomers using preparative and simulated moving bed chromatography [PDF]
The separation and purification of high added value products by liquid chromatography is a very popular technique. The development of more stable and efficient stationary phases, together with the design of innovative and more flexible separation ...
Pais, Luís S. +3 more
core +1 more source
In the countercurrent chromatography and centrifugal partition chromatography, separation method transfer and scale-up is often described as an easy and straightforward procedure.
Simon Roehrer, Mirjana Minceva
doaj +1 more source
Optimization of Automatic Synthesis and Separation of [18F] AV-45 and Quality Control
Objective: Based on the Tracerlab FXF-N platform, a synthesis program and preparative high-performance liquid chromatography (HPLC) purification program edited by us can stably and repeatedly produce [18F] AV-45 without changing the process. The [18F] AV-
Qi-Zhou Zhang +5 more
doaj +1 more source
We previously reported that Lepechinia meyenii (Walp.) Epling has antioxidant and aldose reductase (AR) inhibitory activities. In this study, L. meyenii was extracted in a 50% MeOH and CH2Cl2/MeOH system.
Guanglei Zuo +7 more
doaj +1 more source
Absolute Configuration of Bromofluoroiodomethane after Preparative Gas Chromatographic Separation [PDF]
The enantiomers of bromofluoroiodomethane (CHBrFI) were separated on a preparative scale using gas chromatography (GC). The collected single enantiomers were analysed by vibrational circular dichroism spectroscopy and polarimetry in combination with ab ...
Benjamin, Spenger +3 more
core +1 more source
Preparative-scale isoelectric trapping separations in a multicompartmental electrolyzer: implementation and monitoring [PDF]
Preparative-scale protein separations have always been critical to the advancement of the life sciences. Among preparative-scale separation techniques, isoelectric trapping (IET) promises efficient separations and high production rates.
Sinajon, Joseph Brian Montejo
core +3 more sources

