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Cortistatin is a neuropeptide structurally related to somatostatin that induces sleep and interferes with the memory process. Very likely affecting other neurotransmission systems, such as: acetylcholine, γ-aminobutyric acid, and noradrenaline. For example, cortistatin inhibits acetylcholine excitatory actions in the hippocampus. It is known that acetylcholine is involved in the regulation of several...
Herein we report on the abundance and composition of floating marine debris (FMD) in coastal waters of the SE-Pacific (off the Chilean coast) during the austral summer 2002. The observed FMD consisted mainly of plastic material (86.9%). Densities of FMD were highest between 20 o S and 40 o S, corresponding to the main concentrations of human population and activities. Low densities...
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