Results 151 to 160 of about 5,989 (205)

Aggregation‐Controlled Vat Dyeing of Meta‐Aramid Fibers: Mechanistic Insights and Suppression of Surface Dye Deposition

Advanced Materials Interfaces, EarlyView.
Supramolecular aggregation governs the interfacial adsorption, diffusion, and fixation of anthraquinone‐based vat dyes in meta‐aramid fibers. By correlating reduction chemistry, aggregate formation, and fiber microstructure, a multiscale mechanism for aggregation‐controlled dyeing is established, providing an effective strategy to suppress surface dye ...
Jisiyuan Qin, Yahui Xia, Shiqi Hu, Yongmin Wu, Mohammad Raza Miah, Ruizhe Lu, Yunhan Tang, Genyang Cao, Sakil Mahmud   +8 more
wiley   +1 more source

Enhanced Photostability and Reduced Burn‐In Losses in Organic Solar Cells via a 2PACz‐Modified PEDOT:PSS Hole Transport Layer

Advanced Materials Interfaces, EarlyView.
A PEDOT:PSS/2PACz hole transport layer reduces burn‐in degradation and enhances the photostability of organic solar cells. The interfacial modification with 2PACz mitigates photo‐induced interfacial disorder, enabling stable power conversion efficiencies under continuous illumination for over 650 h.
Julia Hönigsberger, Lakshmi Rajan, Egon Pavlica, Anto Vrbat, Thomas Griesser, Lukas Troi, Konrad Binter, Gregor Trimmel, Thomas Rath   +8 more
wiley   +1 more source

Halogen Surface Terminations in Ti3C2 MXenes for Interface Engineering in Perovskite Solar Cells

Advanced Materials Interfaces, EarlyView.
Controlled halogen surface terminations in Ti3C2${\rm Ti}_3{\rm C}_2$ MXenes enable the isolation of structure‐property relationships, revealing how –Cl and –Br terminations influence interlayer spacing, electronic behavior, and work function. When incorporated into IT‐4F‐based interfacial layers, these MXenes modulate interfacial processes and device ...
Morgana Müller de França, Sara Pescetelli, Antonio Agresti, Jhionathan de Lima, Martin Ignacio Broens, Aditya Sharma, Maiara de Jesus Bassi, Cristiano Francisco Woellner, Hanna Pazniak, Aldo di Carlo, Lucimara Stolz Roman   +10 more
wiley   +1 more source

Synthesis and Characterization of Biocompatible Manganese‐Doped Titania Nanoparticles and Its Application to Single‐Cell Nanoencapsulation

Advanced Materials Interfaces, EarlyView.
Biocompatible Mn‐doped TiO2 nanozymes integrate TiO2 stability with Mn redox activity, enabling dopamine‐mediated cell‐surface polymerization and single‐cell nanoencapsulation while maintaining high colloidal stability, low ROS generation, and excellent cellular compatibility.
Filip Kozłowski, Nayoung Kim, Hyunwoo Choi, Geoffrey Daniel, Gulaim A. Seisenbaeva, Insung S. Choi, Vadim G. Kessler   +6 more
wiley   +1 more source

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Ultraviolet radiation and immunosuppression

British Journal of Dermatology, 2009
Ultraviolet (UV) radiation is a complete carcinogen. The effects of UV radiation are mediated via direct damage to cellular DNA in the skin and suppression of image surveillance mechanisms. In the context of organ transplantation, addiction of drugs which suppress the immune system add greatly to the carcinogenicity of UV radiation.
exaly   +3 more sources

A Standard for Ultraviolet Radiation

Applied Optics, 1973
Photoemission diode standards for accurately measuring monochromatic ultraviolet light intensity (3000 A-11OO A) are described that are also blind to visible ligh (lambda> 3600 A). The standard uses an opaque photocathode of Cs(2)Te and is unique because of its combination of thinness (19 mm), high sensitivity (Q.E.
G B, Fisher, W E, Spicer, P C, McKernan, V F, Pereskok, S J, Wanner   +4 more
openaire   +2 more sources

Melanoma and ultraviolet radiation

Clinics in Dermatology, 1992
Abstract External ultraviolet radiation (UVR) is the major causative factor for human cutaneous melanoma. In this article the evidence supporting this statement and some of the implications are discussed.
openaire   +2 more sources

Ultraviolet Radiation and Pterygium

JAMA: The Journal of the American Medical Association, 1982
To the Editor.— Joseph F. Novak, MD, has concluded that work-related ultraviolet radiation exposure is unlikely to be a direct cause of recurrent pterygium in a welder (1981;246:1019). His observation that pterygia do not occur more frequently in welders than in other groups is compatible with the findings of Emmett et al.
openaire   +2 more sources

Effects of Ultraviolet Radiation

Medical Clinics of North America, 1990
Ultraviolet radiation from high-intensity sources has well-known acute effects on the eye and skin, consisting primarily of photokeratoconjunctivitis and sunburn, which are enhanced in the presence of photosensitizing agents. Long-term elevated exposure to low-level ultraviolet radiation is also responsible for an increased risk of squamous- and basal ...
openaire   +2 more sources

Ultraviolet Radiation and Melanoma

Seminars in Cutaneous Medicine and Surgery, 2011
Melanoma is a particularly aggressive type of skin cancer, and its incidence has been increasing steadily since the 1970s. This article will review the extensive epidemiologic data demonstrating that ultraviolet radiation (UVR) exposure, from the sun or artificial tanning beds, is the most important environmental risk factor for melanoma; the multiple ...
Holly E, Kanavy, Meg R, Gerstenblith
openaire   +2 more sources