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Resumen La relación entre la velocidad de circulación y la seguridad es un aspecto altamente debatido entre la comunidad científica, los usuarios de las vías y los responsables de la puesta en marcha de políticas. El objetivo de este artículo es resumir las evidencias más relevantes en este ámbito. Son varias las razones por las que una mayor velocidad repercute sobre la seguridad. Muchas de ellas...
Caledonin (1) is a modified peptide isolated from the marine tunicate Didemnun rodriguesi. Caledonin comprises a central L-phenylalanine residue connected via its amino group to (S)-3-amino-5-mercaptopentanoic acid (a new sulfur-containing β-amino acid), and by its carboxyl group to a six membered cycloguanidine moiety, bearing an n-octyl chain. Caledonin is a natural bolaphile which strongly binds...
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