نتایج جستجو برای: cornea
تعداد نتایج: 11241 فیلتر نتایج به سال:
Cornea is the most anterior segment of the eye that provides exquisite vision. This is transparent outermost surface of the eye, consisting of a stratified epithelium, a collagenous stroma and an innermost single-cell layered endothelium. Cornea is an important visual structure assists in providing a clear vision by refracting light onto the lens, which in turn focusing on the retina. It is a v...
The role of macrophage inflammatory protein-1alpha (MIP-1alpha) in cell infiltration into Pseudomonas aeruginosa-infected cornea and subsequent disease was examined. Greater amounts of the chemokine (protein and mRNA) were found in the infected cornea of susceptible B6 ("cornea perforates") versus resistant BALB/c ("cornea heals") mice from 1 to 5 days postinfection. Treatment of BALB/c mice wi...
UNLABELLED This study examined the gene transfer efficiency and toxicity of 2-kDa polyethylenimine conjugated to gold nanoparticles (PEI2-GNPs) in the human cornea in vitro and rabbit cornea in vivo. PEI2-GNPs with nitrogen-to-phosphorus ratios of up to 180 exhibited significant transgene delivery in the human cornea without altering the viability or phenotype of these cells. Similarly, PEI2-GN...
PURPOSE To study the distribution and predominant orientations of fibrillar collagen at different depths throughout the entire thickness of the human cornea. This information will form the basis of a full three-dimensional reconstruction of the preferred orientations of corneal lamellae. METHODS Femtosecond laser technology was used to delaminate the central zones of five human corneas into t...
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