Results 81 to 90 of about 80,165 (303)

A Vertically‐Stacked Optoelectronic Sensor for Localized Hemodynamics Monitoring

open access: yesAdvanced Functional Materials, EarlyView.
This work introduces a hemodynamics monitoring sensor that features vertically stacked microLEDs and a heterogeneously integrated photodetector. The vertically stacked microLEDs enable localized measurements, and by designing the interoptode distance according to the depth of the target region, this vertically stacked optoelectronic sensor is ...
Taeyeon Lee   +9 more
wiley   +1 more source

A REVIEW ON SUN-PROTECTIVE CLOTHING [PDF]

open access: yesAnnals of the University of Oradea: Fascicle of Textiles, Leatherwork, 2018
The sun is ultraviolet (UV) radiation source. Damage to skin cells from ultraviolet exposure can lead to the carcinogenic problem such as skin cancer.
CANOGLU Suat   +2 more
doaj  

METHODS USED IN EVALUATION OF THE SUN PROTECTION FACTOR OF SUNSCREENS

open access: yesRevista Eletrônica de Farmácia, 2014
The main way of analyzing the effectiveness of a sunscreen is through the sun protection factor (SPF) which can be obtained through in vivo and/or in vitro methodologies. This paper aims to review these methodologies and evaluate the effectiveness of in vitro tests, focused in spectrophotometry ultraviolet, compared to traditional in vivo methods.
Elton Clementino Silva   +5 more
openaire   +3 more sources

Chloride‐Mediated Electron Buffering on Ni‐Fe Anodes for Ampere‐Level Alkaline Seawater Electrolysis

open access: yesAdvanced Functional Materials, EarlyView.
Utilizing abundant chloride ion (Cl−) of seawater, the small organic molecule (SOM) layer on the electrocatalyst surface is converted to SOM‐Cl layer. Meanwhile, the conjugated structure of SOM is modified. SOM‐Cl layer can effectively mitigate the damage caused by the highly oxidative environment.
Qian Niu   +4 more
wiley   +1 more source

Enhancing Direct Solar Water Splitting via ALD of Multifunctional TiO2/Pt Nanoparticle Coatings With Engineered Interfaces to GaAs/GaInP Tandem Cells

open access: yesAdvanced Functional Materials, EarlyView.
Multifunctional atomic layer deposited coatings and interface treatments enhance direct solar water splitting on GaAs/GaInP tandem cells. Optimized TiO2/Pt nanoparticle bilayers ensure durability and catalytic efficiency with minimal optical losses, while H2 plasma pretreatments maximize photovoltage and interfacial charge extraction.
Tim F. Rieth   +8 more
wiley   +1 more source

Unassisted Photoelectrochemical Hydrogen Production Coupled with Selective Glucose Oxidation Using Metal Halide Perovskite Photoanodes

open access: yesAdvanced Functional Materials, EarlyView.
A metal halide perovskite‐based photoanode integrated with a CoNiFe layered double hydroxide (LDH) cocatalyst is reported for selective glucose oxidation reaction (GOR), achieving simultaneous and unassisted photoelectrochemical hydrogen production. This system delivers high photocurrent density, excellent Faradaic efficiency of GOR, and strong techno ...
Shujie Zhou   +12 more
wiley   +1 more source

Nuclear and Urinary Measurements Show the Efficacy of Sun-Protection Factor 50+ Sunscreen against DNA Photoproducts upon Real-Life Recreational Exposure. [PDF]

open access: yesJID Innov, 2023
Douki T   +12 more
europepmc   +1 more source

Ex-vivo spectroscopic quantification of sunscreen efficacy: proposal of a universal sun protection factor [PDF]

open access: bronze, 2007
Hans-Juergen Weigmann   +7 more
openalex   +1 more source

Defect‐Free Block Copolymer‐Based Distributed Bragg Reflector for Optimized Light Harvesting in BiVO4 Photoanodes

open access: yesAdvanced Functional Materials, EarlyView.
A solution‐processed distributed Bragg reflector (DBR) film, integrated via block copolymer (BCP) self‐assembly, enhances photon recycling in BiVO4 photoanodes for improved photoelectrochemical (PEC) performance. By tuning lamellar structures using lactic acid and cross‐linking density, the DBR film optimally shifts working wavelengths, boosting ...
Shangxian Ding   +11 more
wiley   +1 more source

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