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Title: Mono-and dicationic dabco/quinuclidine composed nanomaterials for the loading of steroidal drug: 32 factorial design and physicochemical characterization
Author: Fernandes, Ana Rita
Sánchez-López, E. (Elena)
Santini, Antonello
Dos Santos, Tiago
García López, María Luisa
Silva, Amélia M.
Souto, Eliana B.
Keywords: Agents tensioactius
Farmacologia ocular
Surface active agents
Ocular pharmacology
Issue Date: 1-Oct-2021
Publisher: MDPI
Abstract: Oil-in-water nanoemulsions (NEs) are considered a suitable nanotechnological approach to improve the eye-related bioavailability of lipophilic drugs. The potential of cationic NEs is prominent due to the electrostatic interaction that occurs between the positively charged droplets with the negatively charged mucins present in the tear film. This interaction offers prolonged NEs residence at the ocular surface, increasing the drug absorption. Triamcinolone acetonide (TA) is one of the first pharmacologic strategies applied as an intravitreal injection in the treatment of age-related macular degeneration (AMD). Newly synthesized quaternary derivatives of 1,4-diazabicyclo[2.2.2]octane (DABCO) and quinuclidine surfactants have been screened with the purpose to select the best compound to formulate long-term stable NEs that combine the best physicochemical properties for the loading of TA intended for ocular administration
Note: Reproducció del document publicat a:
It is part of: Nanomaterials, 2021, vol. 11, num. 10, p. 1-22
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ISSN: 2079-4991
Appears in Collections:Articles publicats en revistes (Farmàcia, Tecnologia Farmacèutica i Fisicoquímica)

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