نتایج جستجو برای: triterpene mass fragmentation pattern
تعداد نتایج: 842418 فیلتر نتایج به سال:
Context. The formation of high-mass star-forming regions from their parental gas cloud and the subsequent fragmentation processes lie at heart star research. Aims. We aim to study dynamical properties very early evolutionary stages formation. Methods. Employing NOrthern Extended Millimeter Array IRAM 30 m telescope, we observed two young regions, ISOSS22478 ISOSS23053, in 1.3 mm continuum spect...
Study of Electron Ionization and Fragmentation of Non-hydrated and Hydrated Tetrahydrofuran Clusters
Mass spectroscopic investigations on tetrahydrofuran (THF, C4H8O), a common model molecule of the DNA-backbone, have been carried out. We irradiated isolated THF and (hydrated) THF clusters with low energy electrons (electron energy ~70 eV) in order to study electron ionization and ionic fragmentation. For elucidation of fragmentation pathways, deuterated TDF (C4D8O) was investigated as well. O...
Triterpenes constitute a large and important class of plant natural products with diverse structures and functions. Their biological roles range from membrane structural components over plant hormones to specialized plant defence compounds. Furthermore, triterpenes have great potential for a variety of commercial applications such as vaccine adjuvants, anti-cancer drugs, food supplements and ag...
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