Browsing by Subject "Electron microscopy"

Now showing items 1-10 of 10

    • Degeneration of intrapancreatic nerve fibers after chronic alcohol administration in mice 
      Berger, Zoltán; Fehér, Erzsébet (1997)
      Conclusion. These results provide morphological evidence for an alcohol- induced selective intrapancreatic nerve degeneration. This affected mainly the nerve fibers that are inhibitory of the exocrine pancreas, and might ...
    • Effect of the morphology of thermally reduced graphite oxide on the mechanical and electrical properties ... 
      Aguilar Bolados, Héctor; López Manchado, Miguel; Brasero, Justo; Aviles, F.; Yazdani-Pedram Zobeiri, Mehrdad (Elsevier, 2016)
      Graphene materials often are obtained through thermal reduction of graphite oxide. This is due to the fact that other synthesis methods are more difficult and generally render lower yield. The structure and morphology of ...
    • Hantzsch dihydropyridines: Privileged structures for the formation of well-defined gold nanostars 
      Zapata Urzúa, Claudio; Pérez Ortiz, Magdalena; Acosta, Gerardo A.; Mendoza, Joan; Yedra, Lluis; Estradé, Sonia; Álvarez Lueje, Alejandro; Núñez Vergara, Luis; Albericio, Fernando; Lavilla, Rodolfo; Kogan Bocian, Marcelo (Elsevier, 2015)
      Anisotropic and branched gold nanoparticles have great potential in optical, chemical and biomedical applications. However their syntheses involve multi-step protocols and the use of cytotoxic agents. Here, we report a ...
    • Observations and assessment of iron oxide and green rust nanoparticles in metal-polluted mine drainage ... 
      Johnson, Carol A.; Freyer, Gina; Fabisch, Maria; Caraballo Monge, Manuel; Küsel, Kirsten; Hochella, Michael F. (CSIRO, 2014)
      In this study of iron- and silica-bearing nanoparticle and colloid aggregates in slightly acidic mine drainage, we combined bulk scale geochemistry techniques with detailed nanoscale analyses using high-resolution transmission ...
    • Palmitic acid reduces the autophagic flux in hypothalamic neurons by impairing autophagosome-lysosome fusion ... 
      Hernández Cáceres, María Paz; Cereceda, Karina; Hernández, Sergio; Li, Ying; Narro, Carla; Rivera, Patricia; Silva, Patricio; Ávalos, Yenniffer; Jara, Claudia; Burgos, Paulina; Toledo Valenzuela, Lilian; Lagos, Pablo; Cifuentes Araneda, Flavia; Pérez Leighton, Claudio; Bertocchi, Cristina; Clegg, Deborah J.; Criollo Céspedes, Alfredo; Tapia Rojas, Cheril; Burgos, Patricia V.; Morselli, Eugenia (Taylor & Francis, 2020)
      High-fat diet (HFD)-induced obesity is associated with increased cancer risk. Long-term feeding with HFD increases the concentration of the saturated fatty acid palmitic acid (PA) in the hypothalamus. We previously showed ...
    • Structural characterization of microcin E492 amyloid formation: Identification of the precursors 
      Arranz, Rocío; Mercado, Gabriela; Martín-Benito, Jaime; Giraldo, Rafael; Monasterio Opazo, Octavio; Lagos Mónaco, Rosalba; Valpuesta, José M. (2012)
      Microcin E492 is a low-molecular weight, channel-forming bacteriotoxin that generates amyloid structures. Using electron microscopy and image processing techniques several structural conformations can be observed. Prior ...
    • Study of the mandibular bone microstructure and blood minerals bioavailability in rainbow trout (oncorhynchus ... 
      Godoy, Karina; Sandoval, Cristian; Manterola Barroso, Carlos; Vásquez, Claudio; Sepúlveda, Noelia; Rojas Rauco, Mariana Antonia; Salazar, Luis A. (MDPI, 2022)
      Simple Summary Bone deformities in the axial skeleton represent a frequent bone pathology in farmed salmonids, affecting the quality of life and even increasing mortality. Bone deformation can affect the formation, repair, ...
    • The chaperonin CCT promotes the formation of fibrillar aggregates of gamma-tubulin 
      Pouchucq, Luis; Lobos Ruiz, Pablo; Araya, Gissela; Marfa Valpuesta, Jose; Monasterio Opazo, Octavio (Elsevier, 2018)
      The type II chaperonin CCT is involved in the prevention of the pathogenesis of numerous human misfolding disorders, as it sequesters misfolded proteins, blocks their aggregation and helps them to achieve their native ...
    • The rete testis in man: Ultrastructural aspects 
      Bustos-Obregón, E.; Holstein, A. F. (Springer-Verlag, 1976)
      The ultrastructure of the normal human rete testis was analyzed. The rete testis cavities are irregularly shaped and contain virtually no spermatozoa. Smooth muscle cells often surround the cavities. In the epithelial ...
    • Ultrastructure of bovine ovarian follicles induced to extended growth by perioestrous suprabasal progesterone ... 
      Duchens, M.; Rodríguez Martínez, H.; Forsberg, M.; Gustafsson, H. (1996)
      The present study was undertaken to determine if a short-term prolonged growth of the ovulatory follicle (12 to 18 h after expected time of ovulation), induced by progesterone implants, would cause ultrastructural changes ...