Results 21 to 30 of about 69,757 (296)

Ocular prodrugs: Attributes and challenges

open access: yesAsian Journal of Pharmaceutical Sciences, 2021
Ocular drug delivery is one of the most attention-grabbing and challenging endeavors among the numerous existing drug delivery systems. From a drug delivery point of view, eye is an intricate organ to investigate and explore. In spite of many limitations,
Jagpreet kour, Neha Kumari, Bharti Sapra
doaj   +1 more source

MRI in ocular drug delivery [PDF]

open access: yesNMR in Biomedicine, 2008
AbstractConventional pharmacokinetic methods for studying ocular drug delivery are invasive and cannot be conveniently applied to humans. The advancement of MRI technology has provided new opportunities in ocular drug‐delivery research. MRI provides a means to non‐invasively and continuously monitor ocular drug‐delivery systems with a contrast agent or
S Kevin, Li   +2 more
openaire   +2 more sources

Upregulation of distinct collagen transcripts in post-surgery scar tissue: a study of conjunctival fibrosis

open access: yesDisease Models & Mechanisms, 2017
Excessive accumulation of collagen is often used to assess the development of fibrosis. This study aims to identify collagen genes that define fibrosis in the conjunctiva following glaucoma filtration surgery (GFS).
Li-Fong Seet   +5 more
doaj   +1 more source

Design of an Implantable Device for Ocular Drug Delivery [PDF]

open access: yes, 2012
Ocular diseases, such as, glaucoma, age-related macular degeneration (AMD), diabetic retinopathy, and retinitis pigmentosa require drug management in order to prevent blindness and affecting million of adults in USA and worldwide.
Atkinson, Gary M.   +3 more
core   +3 more sources

Nanogels for pharmaceutical and biomedical applications and their fabrication using 3D printing technologies [PDF]

open access: yes, 2018
Nanogels are hydrogels formed by connecting nanoscopic micelles dispersed in an aqueous medium, which give an opportunity for incorporating hydrophilic payloads to the exterior of the micellar networks and hydrophobic payloads in the core of the micelles.
Cho, Hyunah   +2 more
core   +3 more sources

Advances in ophthalmic drug delivery [PDF]

open access: yes, 2014
Various strategies for ocular drug delivery are considered; from basic formulation techniques for improving availability of drugs; viscosity enhancers and mucoadhesives aid drug retention and penetration enhancers promote drug transport into the eye. The
Abdulrazik M   +20 more
core   +2 more sources

Minimally invasive microneedles for ocular drug delivery [PDF]

open access: yes, 2016
Introduction: Anterior and posterior segment eye diseases are highly challenging to treat, due to the barrier properties and relative inaccessibility of the ocular tissues.
Donnelly, Ryan F.   +5 more
core   +1 more source

Chitosan/Poly(2-ethyl-2-oxazoline) films with ciprofloxacin for application in vaginal drug delivery [PDF]

open access: yes, 2020
Chitosan (CHI) and chitosan/poly(2-ethyl-2-oxazoline) (CHI/POZ)-based films were prepared by casting from aqueous solutions of polymer blends with different compositions. Ciprofloxacin was used as a model drug in these formulations. The weight, thickness,
Abilova, Guzel K.   +6 more
core   +1 more source

Innovation in the Development of Synthetic and Natural Ocular Drug Delivery Systems for Eye Diseases Treatment: Focusing on Drug-Loaded Ocular Inserts, Contacts, and Intraocular Lenses

open access: yesPharmaceutics, 2023
Nowadays, ocular drug delivery still remains a challenge, since the conventional dosage forms used for anterior and posterior ocular disease treatments, such as topical, systemic, and intraocular administration methods, present important limitations ...
Letizia Pelusi   +6 more
doaj   +1 more source

Dendrimers for ocular drug delivery [PDF]

open access: yesCanadian Journal of Chemistry, 2017
Existing methods of administering ocular drugs are limited in either their safety or efficiency. Nanomedicine therapies have the potential to address this deficiency by creating vehicles that can control drug biodistribution. Dendrimers are synthetic polymeric nanoparticles with a unique, highly organized branching structure.
Michael G, Lancina, Hu, Yang
openaire   +2 more sources

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