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        Morphometric and Molecular Data on Two Mitochondrial Genes of a Newly Discovered Chimaeran Fish (Hydrolagus melanophasma, Chondrichthyes)

        José De La Cruz-Agüero,Francisco Javier García-Rodríguez,Víctor Manuel Cota-Gómez,Felipe Neri Melo-Barrera,Rogelio González-Armas 한국해양과학기술원 2012 Ocean science journal Vol.47 No.2

        Fresh and preserved (type material) specimens of the black ghost chimaera Hydrolagus melanophasma were compared for morphometric characteristics. A molecular comparison was also performed on two mitochondrial gene sequences (12S rRNA and 16S rRNA gene sequences). While significant differences in measurements were found, the differences were not attributable to sexual dimorphism or the quality of the specimens, but to the sample size and the type of statistical tests. The result of the genetic characterization showed that 12S rRNA and 16S rRNA genes represented robust molecular markers that characterized the species.

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        First Record of the Pacific Fanfish Pteraclis aesticola (Jordan and Snyder, 1901) in the Tropical Eastern Pacific

        José De La Cruz Agüero,Víctor Manuel Cota Gómez 한국해양과학기술원 2008 Ocean science journal Vol.43 No.3

        One specimen of Pteraclis aesticola was collected off San José del Cabo, Baja California Sur, México (22°54'N, 109°45'W), in March 2007. Present record is the first reported occurrence of the species in the Tropical Eastern Pacific biogeographic region (Gulf of California to southern Ecuadorian waters). Its large fan-like anal and dorsal fins and its counts of fin rays and vertebrae can distinguish the Pacific fanfish from the other species in the genus. This fish may have not yet been recorded in the region because its presence has been overlooked in the past because of rarity and lack of commercial value. One specimen of Pteraclis aesticola was collected off San José del Cabo, Baja California Sur, México (22°54'N, 109°45'W), in March 2007. Present record is the first reported occurrence of the species in the Tropical Eastern Pacific biogeographic region (Gulf of California to southern Ecuadorian waters). Its large fan-like anal and dorsal fins and its counts of fin rays and vertebrae can distinguish the Pacific fanfish from the other species in the genus. This fish may have not yet been recorded in the region because its presence has been overlooked in the past because of rarity and lack of commercial value.

      • KCI등재

        Yogurt: Effect on Leukocytes and Blood Coagulation in an Acute Liver Injury Model

        Cecilia Haro,Sandra Lazarte,Hortensia Zelaya,Susana Alvarez,Graciela Agüero 한국식품영양과학회 2009 Journal of medicinal food Vol.12 No.4

        This study determined whether cow or goat yogurt administration has a preventive effect on the hepatic damage undergone during an acute liver injury. Acute liver injury was induced by an intraperitoneal injection of d-galactosamine. Groups of mice were fed with cow or goat yogurt for 2 days or 7 days before the d-galactosamine injection. Blood and liver samples were obtained 12 hours after d-galactosamine inoculation. d-Galactosamine induced an increase in serum aminotransaminases, a reduction in the number of blood leukocytes, an enhancement in neutrophil myeloperoxidase activity, a recruitment of leukocytes toward the liver, an increase in cell death, and an alteration in prothrombin time, activated partial thromboplastin time, and fibrinogen levels. Treatment with cow or goat yogurt was effective at increasing leukocyte number and decrease myeloperoxidase activity. We also observed a decrease in leukocyte accumulation in the liver and a reduction in cell death. Activated partial thromboplastin time and fibrinogen were normalized, but prothrombin time only showed an improvement without reaching normal values. Cow or goat yogurts were effective at protecting against an experimental acute liver injury, especially when administered for 7 days.

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        Manufacturing and Characterization of Hybrid Composites with Basalt and Flax Fabrics and a Partially Bio-based Epoxy Resin

        Diego Lascano,Rafael Balart,David Garcia-Sanoguera,Angel Agüero,Teodomiro Boronat,Nestor Montanes 한국섬유공학회 2021 Fibers and polymers Vol.22 No.3

        This research is focused on manufacturing and characterization of hybrid composite laminates obtained differentstacking sequences of basalt and flax fabrics with silane treatments embedded in a partially bio-sourced epoxy resin asmatrix. They were manufactured by the vacuum-assisted resin infusion molding and mechanical properties were tested intensile, flexural and impact conditions. The effect of the coupling agent on the fiber/matrix interface was studied by FESEM. The effect of temperature on mechanical properties was evaluated by DMTA and TMA. FESEM images revealed improvedfiber/matrix interactions with silane treatment, having a more satisfactory effect on basalt fibers than on flax fibers because ofits silica-based structure, leading to improved mechanical properties. It is worthy to note that the hybrid stacking sequencehas no remarkable influence on the elongation at break. On the contrary, the hybrid stacking sequence offered a greatinfluence on both the elastic modulus and the tensile strength.

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