Results 61 to 70 of about 59,243 (260)

Iridium complexes for the application of photodynamic therapy

上海师范大学学报. 自然科学版, 2015
Photodynamic therapy can destruct tumor cells by singlet oxygen which is generated via a photodynamic reaction of the photosensitizer under a specfic excitation wavelength.Due to the heavy atom effect of metal iridium,iridiumcomplexes are excited by ...
SHI Min, ZHOU Zhiguo, YANG Hong, YANG Shiping   +3 more
doaj   +1 more source

Eutectozymes as Soft Hybrid Materials for Advanced Biocatalysis

Advanced Materials, EarlyView.
Eutectozymes are sustainable hybrid materials that embed a GOx–HRP cascade within hydrophobic eutectogels featuring a dual supramolecular–covalent network. This architecture preserves native enzyme structure and stability, enables efficient heterogeneous biocatalysis in aqueous media, and positions eutectogels as robust platforms for next‐generation ...
Manuel Eduardo Martinez Cartagena, Lucia Suarez, Aitor Ontoria, Francisca J. Benitez, Elixabete Rezabal, María Soledad Orellano, Marcelo Calderón, Cristián Huck‐Iriart, Agustin S. Picco, Matias L. Picchio, Ana Beloqui   +10 more
wiley   +1 more source

Reevaluation of analytical condition using highly singlet oxygen sensitive/selective reagent in aqueous-/non-aqueous solution

Studies in Science and Technology, 2018
The spin-trapping ESR (ST-ESR) method, which observes unstable radicals as stable spin adducts using electron spin resonance (ESR), is an effective experimental method for evaluating chemical reactions involving radical reactions.
Yu Saito, Yuto Koseki, Bunpei Hatano, Kazuaki Sato, Susumu Okubo, Hitoshi Ohta, Tateaki Ogata   +6 more
doaj   +1 more source

Singlet Oxygen Potentiates Thrombolysis

Clinical and Applied Thrombosis/Hemostasis, 2007
Activated polymorphonuclear neutrophils (PMN) participate in physiologic thrombolysis. PMN produce large amounts of urokinase (u-PA) and oxidants of the hypochlorite/chloramine-type that generate nonradical excited singlet oxygen ( 1 O 2 ). The u-PA/
openaire   +2 more sources

Cytotoxic Effects of Singlet Oxygen

Environmental Health Perspectives, 1987
The toxic effects of gas-phase singlet oxygen, 1O2, on the ciliated respiratory epithelium of hamster trachea have been demonstrated. Tracheal explants treated with 1O2 showed a dose-dependent decrease in cilia beating frequency and focal ciliostasis. A statistically significant decrease in ciliary activity occurred at 1O2 concentrations as low as 154 ...
L J, Schiff, W C, Eisenberg, J, Dziuba, K, Taylor, S J, Moore   +4 more
openaire   +2 more sources

Clustomesogen Showing Sub‐Zero Liquid Crystal Properties: Supramolecular Assembly Between Cs2[Mo6Ii8(OCOC2F5)6] and Hexaethylenoxide Containing Mesogenic Dimers

Advanced Materials, EarlyView.
Associating a red‐NIR phosphorescent octahedral hexanuclear molybdenum cluster compound with hexaethyleneoxide chains bearing mesogenic units on both ends leads to an emissive hybrid liquid crystal showing mesomorphism on a very unusual temperature range down to −25°C.
Killiann Heinz, Jeanne Rebours, Zoulikha Zerrouqi, Noée Dumait, Maria Amela‐Cortes, Nikolai Scheuring, Sara Simonovska, Sebastian Marino, Max Ebert, Stéphane Cordier, Sabine Laschat, Yann Molard   +11 more
wiley   +1 more source

Oxidative post-translational modification of EXECUTER1 is required for singlet oxygen sensing in plastids

Nature Communications, 2019
Singlet oxygen generated by photosynthesis under photo-oxidative stress conditions triggers retrograde signaling from plastids to nuclei. Here, the authors show that singlet oxygen perception and subsequent signaling events require oxidative post ...
Vivek Dogra, Mingyue Li, Somesh Singh, Mengping Li, Chanhong Kim   +4 more
doaj   +1 more source

Singlet oxygenation of triquinacene, barrelene, and homobarrelene

Tetrahedron Letters, 2020
The singlet oxygenation of three polycyclic hydrocarbons, triquinacene, barrelene and homobarrelene was studied. Triquinacene reacted by way of a perepoxide intermediate, transferring an oxygen atom to another triquinacene molecule to give exclusively the mono epoxide. Barrelene, on the other hand, underwent a rare homo-Diels-Alder reaction with 1O2 to
Teresa Ortega, Galip Ozer, Scott Gronert, Ihsan Erden   +3 more
openaire   +4 more sources

Phase Engineering of Atomically Precise Nanoclusters (APNCs) of Gold and Beyond

Advanced Materials, EarlyView.
Engineering the structural phase of materials is of paramount importance for both fundamental research and practical applications. In this Review, we summarize the recent progress in controlling the phases of atomically precise nanoclusters (APNCs) of gold, silver and copper, as well as bimetallic systems. The phase‐enabled material properties of APNCs
Yitong Wang, Avirup Sardar, Weijie Ji, Zhongyu Liu, Rongchao Jin   +4 more
wiley   +1 more source

Large‐Scale Determination of Frontier Orbital Energies of Disordered Small‐Molecule Organic Semiconductors Using Exciplex Emission Spectra

Advanced Materials, EarlyView.
ABSTRACT Accurately knowing the frontier orbital energies of the structurally disordered small‐molecule organic semiconductors that are used in optoelectronic devices such as organic light‐emitting diodes is required to rationally improve their performance. Here, we show that these energies can be deduced with a large accuracy from the peak energies of
Christian B. McDonald, Hiroki Tomita, Giacomo Cotelli, Louka L. Brüll, Nanno G. de Rooij, Lucas R.L. Norg, Milo Clément, Reinder Coehoorn   +7 more
wiley   +1 more source