Darin Peev

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 16 iridoid glucosides and 3 aromatic compounds were isolated from Bulgarian natural populations of Veronica L. and Pseudolysimachion Opiz species. The distribution of 11 compounds in 34 species (96 samples) was shown. Seven Veronica and Pseudolysimachion species were screened for iridoids for the first time and a phenylethanoid glycoside, calceolarioside(More)
An optical microscope is described that reveals contrast in the Mueller matrix images of a thin, transparent, or semi-transparent specimen located within an anisotropic object plane (anisotropic filter). The specimen changes the anisotropy of the filter and thereby produces contrast within the Mueller matrix images. Here we use an anisotropic filter(More)
The development of various nanomaterials over the last few decades has led to many applications for these materials in liquid chromatography (LC). This review will look at the types of nanomaterials that have been incorporated into LC systems and the applications that have been explored for such systems. A number of carbon-based nanomaterials and inorganic(More)
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