Browsing by Author "Domínguez, M."

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    SCHIFF-BASES OF PYRIDOXAL 5'-PHOSPHATE AND POLYPEPTIDES CONTAINING L-LYSINE - A KINETIC-STUDY
    (ELSEVIER SCIENCE BV, 1991) Garcia del Vado, M.A.; Echevarria, G.R.; García Blanco, F.; Santos Blanco, J.G.; Blázquez, M.; Sevilla, J.M.; Domínguez, M.
    The apparent rate constants of formation (k1) and hydrolysis (k2), and the apparent equilibrium constant (K(pH)) of the Schiff bases of pyridoxal 5'-phosphate and poly-L-lysine in different degrees of polymerization have been determined as a function of pH at 25-degrees-C and a constant ionic strength of 0.1. The Schiff bases of PLP and L-lysine and L-alanine copolymers were also studied under the same conditions. The k1 and K(pH) values obtained in every instance were larger than those reported for Schiff bases of PLP and primary amines. The absorption bands of the Schiff bases formed coincided with those obtained for the Schiff bases of PLP and primary amines in low-polarity media. These facts reveal the occurrence of effects that cannot be ascribed to the solvent and that influence intramolecular acid-base catalysis in the formation of the Schiff bases examined.
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    TOROS optical follow-up of the advanced LIGO–VIRGO O2 second observational campaign
    (2020) Artola, R.; Beroiz, M.; Cabral, J.; Camuccio, R.; Castillo, M.; Chavushyan, V.; Colazo, C.; Cuevas, H.; DePoy, D. L.; Díaz, M. C.; Domínguez, M.; Dultzin, D.; Fernández, D.; Ferreyra, A. C.; Fonrouge, A.; Franco, J.; Graña, D.; Girardini, C.; Gurovich, S.; Kanaan, A.; Lambas, D. G.; Lares, M.; Hinojosa, A. F.; Hinojosa, A.; Hinojosa, A. F.; López-Cruz, O.; Macri, L. M.; Marshall, J. L.; Melia, R.; Mendoza, W.; Castelló, J. L. N.; Padilla, N.; Perez, V.; Peñuela, T.; Rattray, W.; Renzi, V.; Ríos-López, E.; Rivera, A. R.; Ribeiro, T.; Rodriguez, H.; Sánchez, B.; Schneiter, M.; Schoenell, W.; Starck, M.; Vrech, R.; Quiñones, C.; Tapia, L.; Tornatore, M.; Torres-Flores, S.; Vilchis, E.; Zadrożn, A.
    We present the methods and results of the optical follow-up, conducted by the Transient Optical Robotic Observatory of the South Collaboration, of gravitational wave events detected during the Advanced LIGO–Virgo second observing run (2016 November–2017 August). Given the limited field of view (∼100 arcmin) of our observational instrumentation, we targeted galaxies within the area of high localization probability that were observable from our sites. We analysed the observations using difference imaging, followed by a random forest algorithm to discriminate between real and spurious transients. Our observations were conducted using telescopes at Estación Astrofísica de Bosque Alegre, Cerro Tololo Inter-American Observatory, the Dr. Cristina V. Torres Memorial Astronomical Observatory, and an observing station in Salta, Argentina.