Results 261 to 270 of about 496,070 (334)
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Recent development in fluorescein derivatives

, 2021
Biosensors are analytical devices specifically designed to convert biological response into electrochemical, optical, acoustic and electronic signal.
M. Rajasekar
semanticscholar   +1 more source

Comparison of 5-aminolevulinic acid and sodium fluorescein for intraoperative tumor visualization in patients with high-grade gliomas: a single-center retrospective study.

Journal of Neurosurgery, 2020
OBJECTIVE Maximal safe resection is an important surgical goal in the treatment for high-grade gliomas. Fluorescent dyes help the surgeon to distinguish malignant tissue from healthy.
R. W. Hansen   +6 more
semanticscholar   +1 more source

Utility of sodium fluorescein for achieving resection targets in glioblastoma: increased gross- or near-total resections and prolonged survival.

Journal of Neurosurgery, 2020
OBJECTIVEIt is commonly reported that achieving gross-total resection of contrast-enhancing areas in patients with glioblastoma (GBM) improves overall survival.
G. Katsevman   +4 more
semanticscholar   +1 more source

Fluorescein and fluorescein glucuronide in plasma

Acta Ophthalmologica, 1992
AbstractThe evaluation of the blood‐ocular barrier for fluorescein requires the measurement of free and unconjugated fluorescein in plasma. This study introduces a new and simple method for the determination of free fluorescein in plasma on the basis of determined total free plasma fluorescense and the free fraction of fluorescence.
L L, Knudsen, T, Olsen, F, Nielsen-Kudsk
openaire   +2 more sources

Fluorescein and fluorescein glucuronide in plasma after intravenous injection of fluorescein

Acta Ophthalmologica, 1988
Abstract.After intravenous injection of fluorescein the time‐course of the plasma concentrations of fluorescein (F) and fluorescein glucuronide (FG) was studied in 18 insulin‐dependent diabetics with various degrees of nephropathy, and in two non‐diabetic subjects.
M, Larsen   +3 more
openaire   +2 more sources

Adverse reactions to fluorescein angiography: A comprehensive review of the literature.

Survey of ophthalmology, 2019
We reviewed literature on adverse reactions to intravenous fluorescein angiography using PubMed and found 78 articles in English from 1961 to 2017.
Ilyse S. Kornblau, J. El-Annan
semanticscholar   +1 more source

Fluorescein Angiography

2018
Fluorescein angiography (FA) is an imaging modality used to study the circulation of the retina and choroid. About 5 mL of 10% sterile aqueous solution of fluorescein dye (or 2-3 mL of a 25% solution) is injected in the antecubital vein. The fluorescein molecules excited by a blue light (465-490 nm) emit green-yellow light (520-530 nm) (Fig. 2.1).
Stephen H, Tsang, Tarun, Sharma
openaire   +2 more sources

Determination of the critical micelle concentration by absorbance and fluorescence techniques using fluorescein probe

Chemical Physics Letters, 2019
We reported a unique and sensitive probe (fluorescein) for determination the critical micelle concentration(CMC) of ionic surfactants based on both fluorescence and absorbance properties of probe in micellar solution.
J. Salem, I. M. El-Nahhal, S. Salama
semanticscholar   +1 more source

Fluorescein Oropharyngoscopy

American Journal of Ophthalmology, 1976
To evaluate patency of the lacrimal system, fluorescein was instilled in the conjunctival cul-de-sac and the posterior oropharynx was examined with ultraviolet light. In 20 normal patients fluorescein was evident in one to 30 minutes. In cases of complete nasolacrimal duct blockage no fluorescein appeared after two hours.
openaire   +2 more sources

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