Results 21 to 30 of about 1,895,513 (217)

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

Comparison of Adhesion of Immortalized Human Iris-Derived Cells and Fibronectin on Phakic Intraocular Lenses Made of Different Polymer Base Materials

Medicina
Background and Objectives: Posterior chamber phakic implantable contact lenses (Phakic-ICL) are widely used for refractive correction due to their efficacy and safety, including minimal corneal endothelial cell loss.
Kei Ichikawa, Yoshiki Tanaka, Rie Horai, Yu Kato, Kazuo Ichikawa, Naoki Yamamoto   +5 more
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  

Functionalizing Micro‐to‐Mesoscopic Electrode Architectures for Regulating Electron Transfer Behaviors in Electrocatalysis

Advanced Functional Materials, EarlyView.
A systematic review is conducted to assess the influence of electrode architecture across micro‐ to mesoscopic length scales on electron‐transfer pathways in electrocatalysis. We discuss the structure‐activity relationships in electrocatalytic applications, including resource recovery and environmental remediation, and provide cost‐effective, efficient
Manshu Zhao, Jiaojiao Zhang, Shideng Yuan, Xinmeng Yu, Keming Wan, Xiaoguang Duan, Zhining Wang   +6 more
wiley   +1 more source

Preparation of an Intelligent pH Film Based on Biodegradable Polymers for Monitoring the Food Quality and Reducing the Microbial Contaminants

Bioinorganic Chemistry and Applications, 2022
Hydrogel refers to a three-dimensional cross-linked polymeric network made of synthetic or natural polymers that can hold water in its porous structure.
Kumaran Subramanian, Deivasigamani Balaraman, Kumaravel Kaliyaperumal, V. Devi Rajeswari, K. Balakrishnan, P. Ronald Ross, Elumalai Perumal, Pugazhvendan Sampath Renuga, Mani Panangal, Y. Swarnalatha, S. Velmurugan   +10 more
doaj   +1 more source

Clinical trial of a patient-operated microwave care system for hydrogel contact lenses [PDF]

, 2001
The clinical effects of a patient-operated system of microwave disinfection for soft contact lenses were assessed in a prospective pilot trial involving 103 patients who were drawn from five optometric practices.
Crabbe, A, Thompson, P
core  

CO2‐to‐CO Conversion in a Gas‐Fed, Zero‐Gap, PEM Electrolyzer Enabled by Polycations and Nitrogen‐Doped Carbon‐Supported Cobalt Nanoparticles

Advanced Functional Materials, EarlyView.
A gas‐fed, zero‐gap, PEM CO2 electrolyzer is realized by incorporating PDDA+ ions onto the carbonaceous Co/N‐C electrocatalyst, with gaseous H2 and CO2 fed into the anode and cathode, respectively. Operating without an aqueous electrolyte, the system sustains a peak FECO of 65.1% at 100 mA cm−2. ABSTRACT Electrochemical carbon dioxide reduction (ECO2R)
Yuen Leong Chow, Hsi‐Wen Wu, Aimin Li, Yalou Guo, Duhong Chen, Jie Zhang, Paul A. Webley   +6 more
wiley   +1 more source

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