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Evaluation of solid-phase extraction sorbent with ketoimine groups for the preconcentration of benzene and phenolic compounds in water
Modified silica solid-phase extraction SPE
2010/10/18
The applicability of silica gel, modified with ketoimine groups, to solid phase extraction (SPE) was tested. Basic characteristics of the modified silica were determined using elemental analysis, and ...
Capillary Electrophoretic Determination of Selected Phenolic Compounds in Humic Substances of Well Waters and Fertilizers
Phenolic Compounds Humic Substances Waters
2010/9/20
Humic substances (HS) from well waters, fertilizers, and synthetic phenolic polymers were characterized by elemental and UV-VIS spectroscopic analyses. Capillary zone electrophoresis (CZE) with UV ab...
Terpenic and Phenolic Compounds from Sideritis stricta
Department of Pharmaceutical Botany Faculty of Pharmacy Hacettepe University
2010/4/19
From the overground parts of an endemic Sideritis species, S. stricta, 4 diterpenes, sideridiol (1), isosidol (2), isolinearol (3), and linearol (4); 2 flavonoid glycosides, isoscutellarein 7-O-[6'''-...
Phenolic Compounds from Globularia cordifolia
Globularia cordifolia Globulariaceae neolignan glycosides dehydrodiconiferyl alcohol 9-O-b -D-glucopyranosyl-(1 \to 2)-b -D-glucopyranoside flavonoid glycosides phenylethanoid glycosides
2010/4/20
From the methanolic extract of the underground parts of Globularia cordifolia, a new neolignan diglycoside, dehydrodiconiferyl alcohol 9-O-b -D-glucopyranosyl-(1 \to 2)-b -D-glucopyranoside (1) was is...
Phenolic Compounds from Scutellaria pontica
Scutellaria pontica Lamiaceae 3,5-dihydroxyphenyl b -D-glucopyranoside
2010/4/22
From the aerial parts of Scutellaria pontica, a phenolic glucoside, 3,5-dihydroxyphenyl b -D-glucopyranoside (1); as well as a C-glucosyl flavon, isovitexin (2); flavones and flavone glycosides, 5-hyd...