Chromatography and Spectroscopy Techniques

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Research Article   |   10.36959/326/773 Volume 4 Issue 1

Characterization of Triterpenoid Saponins, Phenylethanoids and Flavonoids in Bacopa Caroliniana (Walt.) B.L. Robins Using LC-ESI-QTOF-MS/MS Technique

Authors: Nitra Nuengchamnong, Tongchai Saesong and Kornkanok Ingkaninan
This research reports upon the chemical constituent of the aerial part of Bacopa caroliniana identified using the liquid chromatography with electrospray ionization/mass spectrometry (LC-ESI-QTOF-MS/M... Read more

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Research Article   |   10.36959/326/772 Volume 4 Issue 1

Scattering and Absorption Coefficients of Biological Chlorophyll Pigmented Grains in Aqueous Suspension

Authors: Shirley Quirós Achí and William E Vargas Castro
Chlorophyll pigmented grains were extracted from leaves of palm trees and maintained in aqueous solutions containing an organic solvent. Their transmittance spectra were measured for visible wavelengt... Read more

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