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Separation of chlorophylls and carotenoids from marine phytoplankton: a new HPLC method using a reversed phase C8 column and pyridine-containing mobile phases
A high-performance liquid chromatographic (HPLC) method based on a reversed-phase C8 column and pyridine-containing mobile phases was developed for the simultaneous separation of chlorophylls andExpand
Photosynthetic pigments in 37 species (65 strains) of Haptophyta: implications for oceanography and chemotaxonomy
These pigment types showed a strong correlation with available phylogenetic trees, supporting a genetic basis for the pig- ment associations and offer oceanographers greater power for detecting haptophytes in mixed populations, while also distinguishing a greater proportion of them from diatoms. Expand
Separation of chlorophylls and their degradation products in marine phytoplankton by reversed-phase high-performance liquid chromatography
SummaryAn RP-HPLC procedure which separates chlorophylls and their degradation products is described. By employing an amonium acetate buffered mobile phase and a linear gradient elution, complexExpand
Activation of Wnt signaling rescues neurodegeneration and behavioral impairments induced by β-amyloid fibrils
The results are consistent with the idea that Aβ-dependent neurotoxicity induces a loss of function of Wnt signaling components and indicate that lithium or compounds that mimic this signaling cascade may be putative candidates for therapeutic intervention in Alzheimer's patients. Expand
Influence of injection conditions in reversed-phase high-performance liquid chromatography of chlorophylls and carotenoids
SummaryThe RP-HPLC analysis of chlorophylls, their degradation products (chloropigments) and carotenoids is very sensitive to the nature of the injection solvent. The effect of sample-solventExpand
Changes in composition of digestive gland and mantle muscle of the cuttlefish Sepia officinalis during starvation
The digestive gland of S. officinalis does not seem to be an important reserve organ during long-term starvation, but does seems to be important during shortterm starvation. Expand
Pigment-based chloroplast types in dinoflagellates
While plastids with peridinin, and probably those with chl b, originated by secondary endosymbiosis, the other chloroplast types were obtained through tertiary endosYmbiosis and corresponded with evolutionary lineages within dinoflagellates. Expand
Spatial variation in ant and rodent post‐dispersal predation of vertebrate‐dispersed seeds
Rodents and granivorous ants proved to be important predators of vertebrate-dispersed seeds, and showed significant variation in their preferences for different seed species, which may contribute to the differential plant diversity at mid- and high elevations in Mediterranean fleshy fruited plant communities. Expand
Geographical variation in diaspore traits of an ant-dispersed plant (Helleborus foetidus): are ant community composition and diaspore traits correlated?
Comparison of ant sizes, position on a Principal Components Analysis of seed traits, and indirect estimates of dispersal success, suggests that there is a mosaic of wellmatched and mismatched situations which probably obscures the overall relationships among seed traits and ant assemblages. Expand