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Getting hydrogen out of banana peels
As the world’s energy demands increase, so does our consumption of fossil fuels. The result is a massive rise in greenhouse gases emissions with severely adverse environmental effects. To address this, scientists have been searching for alternative, renewable sources of energy. A main candidate is h more
Surface-Coating-Dependent Dissolution, Aggregation, and Reactive Oxygen Species (ROS) Generation of Silver Nanoparticles under Different Irradiation Conditions
Dissolution, aggregation, and reactive oxygen species (ROS) generation are three major processes that silver nanoparticles (AgNPs) undergo in aqueous environments. In this study, the effects of AgNP surface coatings on these three processes were systematically evaluated under three irradiation condi more
Functional singlet oxygen generators based on porphyrazines with peripheral 2,5-dimethylpyrrol-1-yl and dimethylamino groups
Publication date: Available online 4 July 2013 Source:Journal of Photochemistry and Photobiology A: Chemistry Author(s): Lukasz Sobotta , Piotr Fita , Wojciech Szczolko , Maciej Wrotynski , Marcin Wierzchowski , Tomasz Goslinski , Jadwiga Mielcarek Photochemical, photophysical and spect more
Identification of phototransformation products of sildenafil (Viagra) and its N‐demethylated human metabolite under simulated sunlight
Recent publications on pharmaceutical monitoring are increasingly covering the field of illicit drugs and lately the forensic evaluation of designing illegal analogs of lifestyle drugs like the phosphodiesterase type 5 (PDE‐5) inhibitors Viagra (sildenafil), Levitra (vardenafil) and Cialis (tadala more