Results 111 to 120 of about 60,477 (322)

Comparison of the Excimer Lamp vs. Narrowband Ultraviolet (Nb-Uvb) Lamp or 308 nm Excimer Laser in Vitiligo Repigmentation: A Systematic Review

open access: yesDermato
Objective: To conduct a systematic review of the literature evaluating the efficacy of the 308 nm excimer lamp in comparison to narrowband ultraviolet B (NB-UVB) and the 308 nm excimer laser for inducing repigmentation in vitiligo.
Nathalia Bakes Teodoro   +4 more
doaj   +1 more source

Analysis of best corrected visual acuity following corneal refractive surgery comparing low and standard predicted postoperative keratometry [PDF]

open access: yes, 2018
BACKGROUND: It is a commonly held view in the ophthalmologic community that eyes with sufficiently low calculated postoperative corneal keratometry, less than 35 diopters, should not undergo corrective refractive laser surgery (CRLS) due to the increased
Drake, Ryan Carpenter
core  

Domain engineered gallium oxide phototransistors enabling intelligent ultraviolet vision with dynamic gating

open access: yesInfoMat, EarlyView.
Single‐domain Si‐doped β‐Ga2O3 thin films grown on off‐axis sapphire eliminate domain boundaries, improving transport and photogating. Gate‐pulse modulation suppresses persistent photoconductivity, yielding ultrafast response and high detectivity. Integrated into a 24 × 24 array, the devices enable high frame rate DUV imaging and energy‐efficient ...
Jae Young Kim   +9 more
wiley   +1 more source

A PLP‐SEC Investigation of Di(Ethylene Glycol) Methyl Ether Methacrylate Radical Polymerization Propagation Kinetics in Solution

open access: yesMacromolecular Reaction Engineering, EarlyView.
The propagation rate coefficient of di(ethylene glycol) methyl ether methacrylate exhibits the same temperature dependency but is a factor of 12 higher in aqueous solution compared to bulk. Smaller increases are observed in ethanol and ethanol/water mixtures, with the value of the rate coefficient decreasing as the monomer concentration in solution is ...
Fatemeh Salarhosseini   +1 more
wiley   +1 more source

Topotactic Phase Transition in Epitaxial La0.7Sr0.3MnO3‐δ Films Induced by Oxygen Getter Assisted Thermal Annealing

open access: yesSmall, EarlyView.
The perovskite to brownmillerite topotactic phase transition in La0.7Sr0.3MnO3‐δ thin films is achieved through a simple and efficient thermal vacuum annealing that employs bulk aluminum as an active oxygen getter. STEM reveals surface segregation and cation redistribution, while EELS identifies distinct manganese oxidation states across different ...
Chenyang Yin   +14 more
wiley   +1 more source

Matrix effect and calibration strategy in trace element analysis of geological glasses using 193 nm excimer LA-ICP-MS [PDF]

open access: yes, 2011
SMP006-P01ポスター要旨 / 日本地球惑星科学連合2011年大会(2011年5月22日~5月27日, 幕張メッセ国際会議場 ...
CHANG, Qing   +3 more
core  

Intrinsically Chiral Excimers: Water‐Compatible Trityl‐Based Nanoparticles as Tailored Dual Emitters of Circularly Polarized Luminescence in the Vis or NIR Regions

open access: yesSmall, EarlyView.
Dual circularly polarized luminescence (CPL) is demonstrated in pioneering metal‐free organic nanoparticles (ONPs) from a brominated trityl radical derivative. CPL activity in the Vis or NIR regions in aqueous environments is achieved by tayloring the content of radical enantiomers in ONPs, thanks to the generation of intrinsically chiral excimers ...
Giovanni Schievano   +9 more
wiley   +1 more source

Fast Switching and High Polarization in Ferroelectric Hf0.5Zr0.5O2 Films

open access: yesSmall Science, EarlyView.
Ferroelectric Hf0.5Zr0.5O2 thin films are grown under tuned redox conditions to simultaneously achieve high polarization and fast switching. Control of defect dipoles and internal fields enables stable domain wall motion without compromising performance. This work provides a pathway for designing fast and energy‐efficient ferroelectric devices.
Faizan Ali   +3 more
wiley   +1 more source

Laser Micromachining for Bioelectronics: Past, Present, and Future

open access: yesSmall Methods, EarlyView.
Lasers offer a straightforward, flexible, and versatile route to the manufacture of bioelectronic devices, with distinct advantages over alternatives such as photolithography and printing. The key aspects of a laser when considering their use in bioelectronics fabrication are discussed in this review, and the development of laser micromachining within ...
J. G. Troughton, C. M. Proctor
wiley   +1 more source

Effect of chilled eye drops on postoperative pain sensation after phototherapeutic keratectomy: Randomised controlled clinical trial

open access: yesActa Ophthalmologica, EarlyView.
Abstract Purpose To analyse pain sensation after phototherapeutic keratectomy (PTK) using chilled eye drops or drops at room temperature during the early postoperative period. Methods Our randomised controlled, parallel‐group study conducted in the Department of Ophthalmology, Goethe‐University, Frankfurt (Main), Germany, with blinded participants and ...
Carolin Marion Kolb‐Wetterau   +7 more
wiley   +1 more source

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