Alfredo López

Learn More
Selected trace elements (Cd, Cu, Hg, Se, Zn) were measured in the kidneys and the liver of 104 harbour porpoises (Phocoena phocoena) stranded along the coasts of France, Galicia (Spain), Ireland, Scotland (UK), and the Netherlands. Generally, relatively low concentrations of toxic elements were encountered in the tissues of European porpoises, except for(More)
Species of Malassezia associated with various dermatoses and healthy skin in the mexican population At the present, eight Malassezia species have been described and their distribution in normal skin and in several skin diseases appears variable. The aim of the present study was to determine the frequency and distribution of Malassezia species in patients(More)
This study aims to assess niche segregation among the five main toothed whales 25 that frequent the NW Iberian Peninsula waters: the common dolphin, the harbour porpoise, 26 the bottlenose dolphin, the striped dolphin and the long-finned pilot whale. We used cadmium 27 (Cd) and stable isotope ratios (δ 13 C and δ 15 N) as ecological tracers to assess degree(More)
The feeding ecology and habitat use of the most frequently sighted and/or regularly reported stranded or by-caught toothed whale species of the North Western Iberian Peninsula (NWIP) were examined, with a special focus on their trophic position (TP) and relationships with their prey. With this aim, the stable isotope ratios of carbon (δ 13 C) and nitrogen(More)
in press). Measurement of smoking behavior: comparison of self-reports to returned cigarette butts and toxicant levels. Experimental and Clinical Psychopharmacology. (in press). Methodological challenges in clinical laboratory evaluation of electronic cigarettes/electronic nicotine delivery devices. Tob Reg Science.in press). Reasons for using flavored(More)
We describe a method for analyzing the shape variability of images, called geometric PCA. Our approach is based on the use of deformation operators to model the geometric variability of images around a reference mean pattern. This leads to a new algorithm for estimating shape variability. Some numerical experiments on real images are proposed to highlight(More)
  • 1