Results 21 to 30 of about 1,966,414 (185)

Chlorhexidine kinetics of hydrophilic contact lenses

Journal of Pharmacy and Pharmacology, 1978
Abstract An average chlorhexidine concentration of 4·5 μg mg−1 lens (wet weight) was measured in HEMA-based contact lenses after 16 days of the following treatment. The lenses were maintained 16 h daily in 1·5 ml of a solution containing Chlorhexidine digluconate 0·005%, and then worn by adult albino rabbits 8 h daily.
D L, Mackeen, K, Green
openaire   +2 more sources

Unraveling the New Perspectives on Antimicrobial Hydrogels: State-of-the-Art and Translational Applications

Gels, 2023
The growing impact of infections and the rapid emergence of antibiotic resistance represent a public health concern worldwide. The exponential development in the field of biomaterials and its multiple applications can offer a solution to the problems ...
Miguel A. Ortega, Diego De Leon-Oliva, Diego Liviu Boaru, Oscar Fraile-Martinez, Cielo García-Montero, Raul Diaz, Santiago Coca, Silvestra Barrena-Blázquez, Julia Bujan, Natalio García-Honduvilla, Miguel A. Saez, Melchor Álvarez-Mon, Jose V. Saz   +12 more
doaj   +1 more source

Micromachining of Transparent Biocompatible Polymers Applied in Medicine Using Bursts of Femtosecond Laser Pulses

Micromachines, 2020
Biocompatible polymers are used for many different purposes (catheters, artificial heart components, dentistry products, etc.). An important field for biocompatible polymers is the production of vision implants known as intraocular lenses or custom-shape
Evaldas Kažukauskas, Simas Butkus, Piotr Tokarski, Vytautas Jukna, Martynas Barkauskas, Valdas Sirutkaitis   +5 more
doaj   +1 more source

Biological Mineralization of Hydrophilic Intraocular Lenses

Crystals, 2022
Biomaterials calcify upon implantation in contact with biological fluids, which are supersaturated with respect to more than one crystalline phase of calcium phosphate.
Petros G. Koutsoukos, Panagiota D. Natsi, Sotirios P. Gartaganis, Panos S. Gartaganis   +3 more
doaj   +1 more source

Novel daily disposable therapeutic contact lenses based on chitosan and regenerated silk fibroin for the ophthalmic delivery of diclofenac sodium

Drug Delivery, 2020
The aim of this study was to investigate the possibility of chitosan and regenerated silk fibroin (CS/RSF) blended films as novel biomaterials for daily disposable therapeutic contact lenses based ophthalmic drug delivery system.
Rachasit Jeencham, Manote Sutheerawattananonda, Saowaluk Rungchang, Waree Tiyaboonchai   +3 more
doaj   +1 more source

Natural Biological Macromolecules for Designing Hydrogels as Health Care and Anti-aging Solutions

Engineering Proceedings, 2023
Recent advances in the development of strategies for chemical adaptation of biomacromolecules, such as polysaccharides, proteins, and lipids, have allowed for the design of functional hydrogels suitable for the current requirements in the biomedical and ...
Mariana Chelu, Adina Magdalena Musuc
doaj   +1 more source

Air bubble-induced intraocular lens opacification in hydrophobic intraocular lens following posttraumatic cataract surgery: A first-ever case report

TNOA Journal of Ophthalmic Science and Research, 2017
A 19 year old male presented with complaints of diminution of vision in right eye. He had undergone cataract surgery in right eye elsewhere 6 years ago for firecracker injury. On examination, eccentric pupil is noticed with intraocular lens (IOL) opacity.
G V Prabhakar, J K Reddy, Shadab Khan
doaj   +1 more source

The influence of PEGDA’s molecular weight on its mechanical properties in the context of biomedical applications

Current Directions in Biomedical Engineering, 2022
Hydrogels are 3D polymeric networks, which exhibit properties such as softness, viscoelasticity and their ability to absorb large amounts of water. These characteristics make them exceptionally suitable in biomedicine as e.g.
Rekowska Natalia, Arbeiter Daniela, Seitz Hermann, Mau Robert, Riess Alexander, Eickner Thomas, Grabow Niels, Teske Michael   +7 more
doaj   +1 more source

Effects of microwave irradiation on the parameters of hydrogel contact lenses [PDF]

, 2001
Ten brands of hydrogel contact lenses were selected from five of the six British Approved Name lens classification groups to test in vitro the effects of repeated heat disinfection by means of microwave irradiation.
Crabbe, A, Thompson, P
core  

Patient-specific hard contact lenses fabricated by vat photopolymerization printing and non-contact fluidization coating

Materials & Design
Patient-specific hard contact lenses offer significant advantages for vision correction and corneal health, yet their fabrication remains constrained by limited geometric customization and surface-processing strategies.
Sayan Ganguly, Astrid Stinson, Fatemeh Parniani, Xiaowu Shirley Tang   +3 more
doaj   +1 more source