Results 41 to 50 of about 8,161 (172)

Variabilidad en la presentación del Síndrome de Brown-McLean [PDF]

open access: yes, 2004
Case report: We report two aphakic patients with Brown-McLean syndrome. Discussion: One patient was affected by Marfan syndrome, after having undergone lens subluxation surgery and aphakia 23 years previously.
Heras-Mulero, H. (Henar)   +2 more
core   +1 more source

Vitamin D deficiency induces erectile dysfunction: Role of superoxide and Slpi

open access: yesBritish Journal of Pharmacology, Volume 182, Issue 15, Page 3669-3687, August 2025.
Background and Purpose Epidemiological studies suggest a relationship between vitamin D deficiency and erectile dysfunction (ED). We hypothesized that vitamin D deficiency or vitamin D receptor (VDR) knockout causes ED and analysed the underlying molecular mechanisms.
Miguel A. Olivencia   +14 more
wiley   +1 more source

Densidad de queratocitos en córneas de pacientes miopes

open access: yesMedimay, 2012
Introducción: el análisis de las variables histológicas en pacientes miopes se ha convertido en los últimos años en elemento primordial para asegurar la óptima calidad de indicación y seguimiento en pacientes con defectos refractivos sometidos a ...
Eduardo Rojas Alvarez   +2 more
doaj   +4 more sources

Caracterización de la heterogeneidad estructural en polipropileno polimórfico mediante espectroscopia vibracional: microscopia IR y Raman

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2004
A series of polymorphic samples of isotactic polypropylene, obtained via selective nucleation, were studied by vibrational spectroscopy. A correlation was observed between the spectra obtained and the Turner-Jones parameter, characteristic of the ...
Ellis, G.   +3 more
doaj  

Visualización de la expresión génica tejido-específica mediante microscopía confocal láser [PDF]

open access: yes, 2004
En el presente trabajo mostramos la proteÌna GFP en diferentes discos imaginales de larvas del tercer estadio de D. melanogaster utilizando el sistema binario del factor de transcripciÛn de levadura GAL4. Este sistema consiste en la cruza de una lÌnea
Moreno Rocha, José Claudio   +3 more
core  

Use of in vivo confocal microscopy for the diagnosis of corneal dystrophies

open access: yesRevista de Ciencias Médicas de Pinar del Río, 2016
The cornea is the tissue of the eye that provides most of the refractive power. Any disease that alters its morphological characteristics affects vision.
Osmaiyadan Cabrera Ventura
doaj  

Observations on Rhamnus alaternus Naturally Infected by Xylella fastidiosa subsp. multiplex ST87 in the Mediterranean Maquis of Monte Argentario (Tuscany, Italy)

open access: yesPlant Pathology, Volume 74, Issue 6, Page 1813-1829, August 2025.
At Monte Argentario (Italy), the severity of symptoms on Rhamnus alaternus, a drought‐resistant species of the Mediterranean maquis, is attributable to the progression of Xylella fastidiosa ST87 infection only in part. ABSTRACT The diseases caused by the xylem‐inhabiting bacterium Xylella fastidiosa (Xf) are considered a consequence of the drastic ...
Sara Falsini   +14 more
wiley   +1 more source

Los componentes de la matriz extracelular de Bacillus subtilis son necesarios para proteger la colonia de la invasión de Pseudomonas y para la co-colonización en plantas [PDF]

open access: yes, 2019
Las plantas son colonizadas por una gran variedad de microorganismos, y entre ellas las bacterias son las más predominantes dada su capacidad para adaptarse a cambios ambientales y comunicarse con otros organismos.
Berlanga-Clavero, Maria Victoria   +8 more
core  

Método para la generación de modelos realistas en tres dimensiones de células neuronales [PDF]

open access: yes, 2013
Esta invención presenta un método para la generación de modelos tridimensionales de células neuronales partiendo de la información morfológica incompleta extraída mediante métodos de muestreo estándar. Los modelos generados incluyen un soma realista,
Bayona Beriso, Sofía   +5 more
core   +1 more source

Tailoring Piezoelectric Nanogenerators and Microdevices for Cellular Excitation: Impact of Size and Morphology

open access: yesAdvanced Science, Volume 12, Issue 24, June 26, 2025.
Piezoelectric microdevices, composed of ZnO nanosheets acting as nanogenerators and grown on silicon microparticles, are designed and fabricated to deliver precise electrical cell stimulation. This study optimizes nanosheet growth and microparticle size to enhance electrical cell activation performance while minimizing cellular internalization.
Laura Lefaix   +4 more
wiley   +1 more source

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