Darío J. Delgado

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A supercritical carbon dioxide extraction method to obtain selectively volatile compounds of saffron without sample destruction has been developed. The influence of both pressure and temperature was studied, 20 MPa and 100 degrees C being the best conditions to extract the total safranal content. A decrease in supercritical fluid density was shown to be a(More)
INTRODUCTION We analyzed the Uruguayan experience with cryopreserved arterial homografts. We studied 55 medical records in the period from June 9, 2000 to April 7, 2007, including 41 from males and 14 from females, ranging from 36-78 years of age. The clinical indications were as follows: Group 1, revascularization of infrainguinal atherosclerotic occlusive(More)
Samples of bivalve mussels Tagelus dombeii and Semelle sólida (Navajuelas and Almejas chilenas, respectively) caught at different sites along the coast of Chile were analysed for Cu, Cd, Hg and Pb content. The analyses were performed on samples of fresh and canned products, classified according to their length. Each Navajuela sample was divided into two(More)
From July 4, 1999, when a liver transplantation program was started in Cuba, to December 30, 2007, we performed 125 procedures in 115 patients. The most frequent reasons for transplantation were cirrhosis caused by hepatitis C virus (29%) and alcoholic cirrhosis (17.2%). Two patients received simultaneous liver-kidney transplants. Sixty-seven patients were(More)