Browsing by Author "Martínez, J."

Now showing items 1-12 of 12

    • Asteroids in the high cadence transient survey 
      Peña, J.; Fuentes González, César; Forster, Francisco; Maureira, Juan Carlos; San Martín, J.; Littin, J.; Huijse Heise, Pablo Andrés; Cabrera Vives, Guillermo; Estévez Valencia, Pablo; Galbany, Lluis; González Gaitán, Santiago; Martínez, J.; De Jaeger, Thomas; Hamuy Wackenhut, Mario (IOP Publishing Ltd, 2018)
      We report on the serendipitous observations of solar system objects imaged during the High cadence Transient Survey 2014 observation campaign. Data from this high-cadence wide-field survey was originally analyzed for finding ...
    • Bioleaching Model of a Copper-Sulfide Ore Bed in Heap and Dump Configurations 
      Casas de Prada, Jesús; Martínez, J.; Moreno, L.; Vargas Valero, Tomás (1998-08)
      A two-dimensional (2-D) model for a heap or dump bioleaching of a copper ore containing mainly chalcocite and pyrite has been developed. The rate of the mineral sulfide dissolution was related to the rate of oxidation ...
    • Chitosan and platelet-derived growth factor synergistically stimulate cell proliferation in gingival fibroblasts 
      Silva, D.; Arancibia, R.; Tapia, C.; Acuña Rougier, C.; Díaz Dosque, Mario; Cáceres, M.; Martínez, J.; Smith, P. C. (John Wiley & Sons, 2013)
      Background and Objective: Chitosan is a naturally derived polymer that may be applied in periodontal therapy for tissue-reconstruction purposes. Previous studies have shown that chitosan may stimulate tissue healing. ...
    • Cigarette smoke condensate inhibits collagen gel contraction and prostaglandin E-2 production in human ... 
      Romero, A.; Cáceres, M.; Arancibia, R.; Silva, D.; Couve, E.; Martínez, C.; Martínez, J.; Smith, P. C. (Wiley-Blackwell, 2015)
      Background: Granulation tissue remodeling and myofibroblastic differentiation are critically important events during wound healing. Tobacco smoking has a detrimental effect in gingival tissue repair. However, studies ...
    • Cigarette smoke condensate stimulates urokinase production through the generation of reactive oxygen species ... 
      Gonzalez, R.; Arancibia, R.; Cáceres, M.; Martínez, J.; Smith, P.C. (Blackwell Munksgaard, 2009)
      Background and Objective:  Tobacco smoking is a significant risk factor for periodontal disease. It has been suggested that smoking may alter connective tissue remodeling in the periodontium. In the present study, we ...
    • Detection and Characterization of Enterohaemorrhagic Escherichia coli in Slaughtered Cattle 
      Borie Polanco, Consuelo; Monreal, Z.; Martínez, J.; Arellano, C.; Prado Jiménez, Valeria (1997)
      Fecal samples from slaughtered cattle were studred for enterohaemorrhagic E&vichia co/i (EHEC) by DNA hybridization with biotin-labelled DNA probes specific for the EHEC virulence plasmid, Shigalike toxin I (SLT I), ...
    • Differential uPA expression by TGF-beta 1 in gingival fibroblasts 
      Smith, P. C.; Martínez, J. (INT AMER ASSOC DENTAL RESEARCHI A D R/A A D R, 2006-02)
      Transforming Growth Factor-beta 1 (TGF-beta 1) plays a key role in connective tissue remodeling and inflammation. Under pathological conditions, like periodontal disease, fibroblasts may display an altered response to this ...
    • Effects of Chitosan Particles in Periodontal Pathogens and Gingival Fibroblasts 
      Arancibia R., Elizabeth; Maturana Salgado, Cristian; Silva, D.; Tobar, N.; Tapia Villanueva, Cristián; Salazar, J.C.; Martínez, J.; Smith, P.C. (International & American Associations for Dental Research, 2013)
      Chitosan is a naturally derived polymer with antimicrobial and anti-inflammatory properties. However, studies evaluating the role of chitosan in the control of periodontal pathogens and the responses of fibroblasts to ...
    • Effects of cigarette smoke and nicotine on cell viability, migration and myofibroblastic differentiation 
      Silva, D.; Cáceres, M.; Arancibia, R.; Martínez, C.; Martínez, J.; Smith, P. C. (John Wiley & Sons A/S, 2012-02-04)
      Background and Objective: Several studies have analysed the role of nicotine as a prominent agent affecting wound repair in smokers. However, tobacco smoke contains several components that may alter gingival wound healing. ...
    • Gingival Wound Healing: An Essential Response Disturbed by Aging? 
      Smith, P. C.; Cáceres Lluch, Mónica; Martínez, C.; Oyarzún, A.; Martínez, J. (International & American Associations for Dental Research, 2015)
      Gingival wound healing comprises a series of sequential responses that allow the closure of breaches in the masticatory mucosa. This process is of critical importance to prevent the invasion of microbes or other agents ...
    • Involvement of MT1-MMP and TIMP-2 in human periodontal disease 
      Oyarzún, A.; Arancibia, R.; Hidalgo Acosta, Rodrigo; Peñafiel, C.; Cáceres, M.; González, M. J.; Martínez, J.; Smith, P. C. (John Wiley, 2010)
      OBJECTIVES: Periodontal disease is characterized by an increased collagen metabolism. Although membrane type-1 matrix metalloproteinase (MT1-MMP) plays a critical role in collagen degradation, its involvement in human ...
    • A restriction site to differentiate Plasmodium and Haemoproteus infections in birds: on the inefficiency ... 
      Martínez, J.; Martínez de la Fuente, Josué; Herrero, J.; Del Cerro, S.; Lobato, E.; Rivero de Aguilar, J.; Vásquez Salfate, Rodrigo; Merino, S. (CAMBRIDGE UNIV PRESS, 2009-06)
      Avian Plasmodium and Haemoproteus parasites are easily detected by DNA analyses of infected samples but only correctly assigned to each genus by sequencing and use of a phylogenetic approach. Here, we present a restriction ...