Drug and IS were extracted by Liquid- liquid extraction method.
The bioactives were extracted from the powders following a pressurized liquid extraction method [ 40].
Chromatographic conditions, especially the composition and nature of the mobile phase, usage of different columns, and different extraction methods such as solid phase, precipitation, and liquid-liquid extraction methods were optimized through several trials to achieve the best resolution and increase the signal of SF and SFD5.
Various liquid-liquid extraction methods and column chromatographic separations have been applied to crude products and effluents from oil-shale, coal-liquefaction, and coal-gasification processes.
Dried Cotinus coggygria roots and stems were ground to powders, and the powders were extracted with 95% ethanol by a liquid-liquid extraction method.
It was concluded that liquid-liquid extraction method with ethyl acetate could be used to extract columbianadin from the rat plasma.
For this analytical method, apremilast and its internal standard CC-16305 were quantitatively extracted from 100 μl of plasma sample using a liquid-liquid extraction method with methyl tert-butyl ether and reconstituted with 200 μl of H2O : methanol : formic acid/80:20:0.1 (v : v : v).
For this analytical method, apremilast, CC-10007 and the internal standard 3S-cis --tetrahydro-3,7-a-diphenylpyrroloo [2,1-b]oxazol-5(6H)-one were quantitatively extracted from 100 μl of the human plasma sample using a liquid-liquid extraction method with methyl tert-butyl ether and reconstituted with 200 μl of H2O : methanol : formic acid/80:20:0.1 (v : v : v).
A simple liquid-liquid extraction method was followed for extraction of bufalin and internal standard from rat blood.
Novel hybrid fillers composed of nanodiamond (ND) nanocluster-decorated graphene oxide (GO) were fabricated and incorporated in an epoxy matrix using a facile thermoregulatory liquid-liquid extraction method.
Gemini-NX C18, 50 × 4.6 mm, 5 μm, 110 Å column, and liquid-liquid extraction method was optimized for the best chromatography (Figure 4). Figure 4 Chromatogram of Solifenacin and Solifenacin d5 in blank plasma (A), blank + IS (B), and LOQ (C).
