Sensors, Vol. 19, Pages 4189: Lossy Mode Resonance Generation on Sputtered Aluminum-Doped Zinc Oxide Thin Films Deposited on Multimode Optical Fiber Structures for Sensing Applications in the 1.55 µm Wavelength Range

Sensors, Vol. 19, Pages 4189: Lossy Mode Resonance Generation on Sputtered Aluminum-Doped Zinc Oxide Thin Films Deposited on Multimode Optical Fiber Structures for Sensing Applications in the 1.55 µm Wavelength Range Sensors doi: 10.3390/s19194189 Authors: Patricia Prieto-Cortés Ricardo I. Álvarez-Tamayo Manuel García-Méndez Manuel Durán-Sánchez In this work, we demonstrated lossy mode resonance (LMR) generation in optical fiber structures based on multimode fibers coated with aluminum-doped zinc oxide (AZO) films. AZO thin films were deposited by using radio frequency magnetron sputtering. In order to exhibit the usefulness of the LMR effect for sensing applications in optical fiber based systems, the deposition conditions of the AZO film coatings were set to obtain the second LMR order within the 1.55 µm wavelength range. An optical transmission configuration setup was used to investigate the LMR effect on fiber structures based on the use of no-core and cladding-removed multimode fibers coated with AZO films synthesized from metallic sputtering targets with different proportions of Zn:Al, 92:8% and 98:2%, at atomic concentrations. The optical and electrical/chemical features of the AZO films were characterized with UV–vis and XPS spectroscopy, respectively. The optical response of the proposed sensing configuration to refractive index (RI) variations was experimentally demonstrated. For the b...
Source: Sensors - Category: Biotechnology Authors: Tags: Article Source Type: research

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Conclusions: Results reveals that developed nitrendipine nanoemulsion gel overcomes the limitation of low penetration and accentuate permeation through albino Wistar rat skin. It was concluded that nanoemulsion gel could be utilized as a potential carrier for transdermal delivery of nitrendipine. PMID: 31976777 [PubMed - as supplied by publisher]
Source: Drug Development and Industrial Pharmacy - Category: Drugs & Pharmacology Tags: Drug Dev Ind Pharm Source Type: research
Authors: Rezaie Shirmard L, Ghofrani M, Bahari Javan N, Bayrami S, Tavassoli A, Rezaie A, Amini M, Kebriaee-Zadeh A, Rouini MR, Dinarvand R, Rafiee-Tehrani M, Dorkoosh FA Abstract Uncontrolled distribution of nanoparticles (NPs) within the body can significantly decrease the efficiency of drug therapy and is considered among the main restrictions of NPs application. The aim of this study was to develop a depot combination delivery system (CDS) containing fingolimod loaded poly (3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) NPs dispersed into a matrix of oleic acid-grafted-aminated alginate (OA-g-AAlg) to minimize ...
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Authors: Yoshida T, Sako K, Kondo H Abstract High consumption of oil formulations has been reported to reduce the blood exposure of drugs like tacrolimus. Consumption of oil formulations has also been shown to inhibit T-cell production of interleukin-2 (IL-2) compared to solid dispersion formulations (SDFs). However, a large amount of oil causes gastrointestinal side effects such as diarrhea and low compliance. Here, we investigated the feasibility of reducing the amount of oil and substitution of chemically synthetized oils for natural oils in these formulations. Reducing the amount of sunflower oil increased bloo...
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CONCLUSIONS: In conclusion, the potential for supersaturation in LBDDS, and the risk of precipitation, was found to be highly drug dependent. The apparent degree of supersaturation was considered a major factor impacting the ability to maintain drug supersaturation upon storage. PMID: 31975613 [PubMed - as supplied by publisher]
Source: Drug Development and Industrial Pharmacy - Category: Drugs & Pharmacology Tags: Drug Dev Ind Pharm Source Type: research
Authors: Mailhot Vega RB, Hoppe BS PMID: 31976780 [PubMed - as supplied by publisher]
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With a second case of a deadly Chinese virus confirmed in the United States, and four cases under investigation in New York, Buffalo-area hospitals are on alert and preparing as best as they can. The novel coronavirus was first identified in Wuhan, China, in December. More than 850 cases have since been reported worldwide, with more than 40 deaths in China. Transportation has been shutdown with travel restricted for millions in that country as international officials work to contain the di sease. In…
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