Results 51 to 60 of about 482,938 (285)

Evaluating performance in three-dimensional fluorescence microscopy [PDF]

open access: yes, 2007
In biological fluorescence microscopy, image contrast is often degraded by a high background arising from out of focus regions of the specimen. This background can be greatly reduced or eliminated by several modes of thick specimen microscopy, including ...
Chong F.K.   +6 more
core   +3 more sources

\u3cem\u3eIn vivo\u3c/em\u3e Imaging of Human Retinal Microvasculature Using Adaptive Optics Scanning Light Ophthalmoscope Fluorescein Angiography [PDF]

open access: yes, 2013
The adaptive optics scanning light ophthalmoscope (AOSLO) allows visualization of microscopic structures of the human retina in vivo. In this work, we demonstrate its application in combination with oral and intravenous (IV) fluorescein angiography (FA ...
Carroll, Joseph   +10 more
core   +1 more source

The topology of connections between rat prefrontal and temporal cortices [PDF]

open access: yes, 2015
Understanding the structural organization of the prefrontal cortex (PFC) is an important step toward determining its functional organization. Here we investigated the organization of PFC using different neuronal tracers.
Bedwell, SA   +4 more
core   +1 more source

Development of an in vitro drug sensitivity assay for Trichuris muris first-stage larvae [PDF]

open access: yes, 2013
Trichuriasis represents a major public health problem in the developing world and is regarded as a neglected disease. Albendazole and mebendazole, the two drugs of choice against trichuriasis display only moderate cure rates, hence alternative drugs are ...
Keiser, Jennifer   +2 more
core   +2 more sources

New synthetic strategies for xanthene-dye-appended cyclodextrins

open access: yesBeilstein Journal of Organic Chemistry, 2016
Xanthene dyes can be appended to cyclodextrins via an ester or amide bridge in order to switch the fluorescence on or off. This is made possible through the formation of nonfluorescent lactones or lactams as the fluorophore can reversibly cyclize.
Milo Malanga   +5 more
doaj   +1 more source

Ultra-wide-field fluorescein angiography in diabetic retinopathy: a narrative review

open access: yesClinical Ophthalmology, 2017
Fluorescein angiography (FA) is a useful examination in patients suffering from diabetic retinopathy (DR). Traditional angiograms explore 30°-50° of the retina at once; however, visualization of peripheral retina is fundamental in order to assess ...
A. Rabiolo   +9 more
semanticscholar   +1 more source

Cine recording ophthalmoscope [PDF]

open access: yes, 1972
Camera system provides accurate photographic recording during acceleration of centrifuge and permits immediate observation of dynamic changes in retinal circulation by a closed-circuit television loop. System consists of main camera, remote control unit,
Fitzgerald, J. W.
core   +1 more source

Surfactant protein D contributes to ocular defense against Pseudomonas aeruginosa in a murine model of dry eye disease. [PDF]

open access: yes, 2013
Dry eye disease can cause ocular surface inflammation that disrupts the corneal epithelial barrier. While dry eye patients are known to have an increased risk of corneal infection, it is not known whether there is a direct causal relationship between ...
Evans, David   +4 more
core   +2 more sources

Dual-labeling with 5-aminolevulinic acid and fluorescein for fluorescence-guided resection of high-grade gliomas: technical note.

open access: yesJournal of Neurosurgery, 2017
OBJECTIVE Fluorescence guidance with 5-aminolevulinic acid (5-ALA) helps improve resections of malignant gliomas. However, one limitation is the low intensity of blue light for background illumination.
E. Suero Molina   +5 more
semanticscholar   +1 more source

Crystal structure of 4′-allyl-4,5,6,7,2′,7′-hexachlorofluorescein allyl ester unknown solvate

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2018
In the title compound, 4′-allyl-4,5,6,7,2′,7′-hexachlorofluorescein allyl ester {systematic name: prop-2-en-1-yl 2,3,4,5-tetrachloro-6-[2,7-dichloro-6-hydroxy-3-oxo-4-(prop-2-en-1-yl)-3H-xanthen-9-yl]benzoate}, C26H14Cl6O5, accompanied by unknown solvate
Lili Wang   +2 more
doaj   +1 more source

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