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The photoreduction of silver ions by citrate, catalyzed on silver seeds, is used to synthesize disk-shaped silver nanoparticles in solution. The reaction is characterized by transmission electron… (More)
We mechanically damaged the entire corneal endothelium of one eye of each of ten cats and then examined both eyes by fluorophotometry and specular microscopy for 5 months. Six weeks after damage,… (More)
PURPOSE (1) To test the hypothesis that corneas with enlarged endothelial cells (and thus less intercellular space) have decreased endothelial permeability to small polar solutes. (2) To measure… (More)
The retinal pigmented epithelium of the fetal guinea pig was examined for evidence of phagocytosis and degradation of outer segments. Beginning at the early stages of outer segment formation and… (More)
Shedding of outer segment discs and their phagocytosis by retinal pigment epithelial cells (RPE) in the guinea pig starts to occur during in utero development. The number of phagosomes in the fetal… (More)
Photoreceptor cells in guinea pig retinas begin to shed their outer segments while developing in utero. To ascertain whether phagocytosis of outer segments in the fetus is a cyclical event like that… (More)