Results 91 to 100 of about 2,944,888 (391)

Therapeutic Contact Lenses with Polymeric Vehicles for Ocular Drug Delivery: A Review

Materials, 2018
The eye has many barriers with specific anatomies that make it difficult to deliver drugs to targeted ocular tissues, and topical administration using eye drops or ointments usually needs multiple instillations to maintain the drugs’ therapeutic ...
S. Choi, Jaeyun Kim
semanticscholar   +1 more source

High‐Spatiotemporal‐Resolution Transparent Thermoelectric Temperature Sensor Arrays Reveal Temperature‐Dependent Windows for Reversible Photothermal Neuromodulation

Advanced Functional Materials, EarlyView.
Thermoelectric temperature sensors are developed that directly measure heat changes during optical‐based neural stimulation with millisecond precision. The sensors reveal the temperature windows for safe reversible neural modulation: 1.4–4.5 °C enables reversible neural inhibition, while temperatures above 6.1 °C cause permanent thermal damage.
Junhee Lee, Dongjo Yoon, Jungha Lee, Duhee Kim, Eunui Kim, Jong‐Hyeok Yoon, Hyuk‐Jun Kwon, Seungjun Chung, Yoonkey Nam, Hongki Kang   +9 more
wiley   +1 more source

Stretchable platform enabled with wireless power for smart contact lenses [PDF]

, 2017
C
De Smet, Herbert, Vanfleteren, Jan, Vasquez Quintero, Andrés Felipe, Verplancke, Rik   +3 more
core   +1 more source

Exploiting Two‐Photon Lithography, Deposition, and Processing to Realize Complex 3D Magnetic Nanostructures

Advanced Functional Materials, EarlyView.
Two‐photon lithography (TPL) enables 3D magnetic nanostructures with unmatched freedom in geometry and material choice. Advances in voxel control, deposition, and functionalization open pathways to artificial spin ices, racetracks, microrobots, and a number of additional technological applications.
Joseph Askey, Arjen van den Berg, Sandra Ruiz Gomez, Claire Donnelly, Dirk Grundler, Sam Ladak   +5 more
wiley   +1 more source

Prevention and treatment of corneal injury in people wearing soft contact lenses

Медицинский совет, 2014
Contact lenses are a widely used alternative to glasses. However, wearing contact lenses, especially in violation of directions for use, often results in corneal injury.
O. I. Maksimova, E. M. Karger, M. V. Skulachev   +2 more
doaj   +1 more source

Stabilizing Cationic Palladium Single‐Atom Sites on Heteroatom‐Doped Carbon for Selective Hydrogen Peroxide Electrosynthesis

Advanced Functional Materials, EarlyView.
In this research, it is demonstrated that dual nitrogen and sulfur doping in hollow carbon spheres creates a tunable coordination environment that stabilizes cationic Pd single atoms as robust organometallic complexes, enabling high selectivity and stability for electrochemical hydrogen peroxide production under harsh acidic and peroxide‐rich ...
Guilherme V. Fortunato, Alexander Gunnarson, Hannaneh Hosseini, Xiangyu You, Pallabi Bhuyan, Ji Sik Choi, Hyo Sang Jeon, Xingshen Zhao, Julio C. Lourenço, Sumin Lim, Huize Wang, Ana Guilherme Buzanich, Martin Radtke, Paul Paciok, Marcos R.V. Lanza, Ferdi Schüth, Marc Ledendecker   +16 more
wiley   +1 more source

Comparison of Oxygen Flux in Hydrogel and Silicone Hydrogel Contact Lenses [PDF]

, 2008
The prevalence of contact lens use has been continuously growing for their convenience and for cosmetic reasons. Although contact lenses do offer many advantages over glasses, the major concern for many contact lens users is dryness that results from a ...
Cho, Eun Ae, Cohan, Jonathan, Connors, Megan   +2 more
core  

Upconversion Nanoparticles Embedded Photonic Contact Lens for Transepithelial Corneal Crosslinking Using Hyaluronate – Riboflavin Conjugate

Advanced Functional Materials, EarlyView.
A minimally invasive, transepithelial corneal cross‐linking (TE‐CXL) approach is presented using upconversion nanoparticles (UCNPs)‐loaded contact lenses (UCLs), after topical delivery of hyaluronate–riboflavin conjugates. The NIR‐to‐UV/blue light conversion by UCNPs in a UCL can activate riboflavin for TE‐CXL, resulting in the biomechanical strength ...
Gibum Lee, Inhoo Choi, Anara Molkenova, Yengwoo Son, Seungmin Yang, Mina Kwon, Tae‐Im Kim, Ki Su Kim, Sei Kwang Hahn   +8 more
wiley   +1 more source

Vat photopolymerization printing of functionalized hydrogels on commercial contact lenses

Scientific Reports
Contact lenses are widely used for vision correction and cosmetic purposes. Smart contact lenses offer further opportunities as functionalized non-invasive devices capable of simultaneous vision correction, real-time health monitoring and patient ...
Muhammed Hisham, Haider Butt
doaj   +1 more source

Color perception simulation and experimental characterization of 3D printed multi-material contact lenses for color vision correction

Materials & Design
Multi-material 3D printing enables the production of objects with different materials deposited selectively at suitable locations. Multi-material 3D printing can be used to produce advanced contact lenses with novel functionalities.
Muhammed Hisham, Qiangshun Guan, Muhammed Shebeeb C, Mary Krystelle Catacutan, Sungmun Lee, Peter R. Corridon, Haider Butt   +6 more
doaj   +1 more source