Quantitative characterization of p-sites from the human t-lymphocyte phosphoproteome using isotopic labeling and mass spectrometry

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Classifying Four-Body Convex Central Configurations

We classify the full set of convex central configurations in the Newtonian four-body problem. Particular attention is given to configurations possessing some type of symmetry or defining geometric property. Special cases considered include kite, trapezoidal, co-circular, equidiagonal, orthodiagonal, and bisecting-diagonal configurations. Good coordinates for describing the set are established. We use them to prove that the set of four-body convex central configurations with positive masses is three-dimensional, a graph over a domain $D$ that is the union of elementary regions in $\mathbb{R}^{+^3}$.Comment: 28 pages, 14 figure

A four-body convex central configuration with perpendicular diagonals is necessarily a kite

This is a post-peer-review, pre-copyedit version of an article published in Qualitative Theory of Dynamical Systems. The final authenticated version is available online at: http://dx.doi.org/10.1007/s12346-017-0238-z.We prove that any four-body convex central configuration with perpendicular diagonals must be a kite configuration. The result extends to general power-law potential functions, including the planar four-vortex problem.Peer ReviewedPostprint (author's final draft

Differential expression analysis in spinal muscular atrophy patients

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Marine litter, the new plague of seas and oceans

En prens

Vigilance by Sentinels in a group of baboons (Papio hamadryas hamadryas) in a zoo setting

Vigilance by sentinels is an anti-predator strategy by which certain group members keep watch from strategic positions, while the group is involved in other activities. Many anti-predatory behavior patterns observed in natural habitats are also deployed similarly when provoked by human presence. This work is part of a study conducted with a group of hamadryas baboons (Papio h. hamadryas) in semi-freedom in a 15-hectare zoo complex with extensive human pressure. The animals make incursions into an adjoining high-risk area to access food resources, making use of vigilance with sentinels and other risk minimization strategies. Results reveal that human presence provokes similar reactions to natural predatory pressure, forcing them to select strategies to minimize the factors involved in risk perception, such as the degree of visibility of the surroundings, minimizing the length of the incursion and behavioral restrictions

Efecto de la activación linfocitaria sobre el fosfoproteoma del linfocito T primario humano: estudio mediante marcaje isotópico y espectrometría de masas

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Excavaciones en el Grau Vell

Noticias preliminares de la campaña de 1983