Topic
Acetone
About: Acetone is a research topic. Over the lifetime, 9458 publications have been published within this topic receiving 120867 citations. The topic is also known as: propanone & dimethylketone.
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TL;DR: In this paper, gold nanoparticles (NPs) were prepared by ps laser ablation in pure acetone and water with 532 and 1,064 nm wavelengths and showed that they can be very small, quasi monodisperse and fluorescent.
Abstract: We prepared gold nanoparticles (NPs) by ps laser ablation in pure acetone and water with 532 and 1,064 nm wavelengths The NPs obtained in pure acetone are stable for years and, depending on the fabrication conditions, they can be very small, quasi monodisperse and fluorescent These properties are not lost when they are transferred from acetone to water Post-irradiation tests of the colloids with 532 nm pulses, before and after phase transfer to water, and surface enhanced Raman spectroscopy (SERS), either on liquid and on dried samples, suggest that the stabilization mechanism in acetone is related to the light-induced formation on the gold surface of enolate which, in some cases, can undergo degradation with formation of amorphous carbon Micro-SERS tests were also used to demonstrate that functionalization of the particles with 1,10-phenanthroline or adenine is possible after transfer to the water phase, which opens the way to the use of such structures for biological and medical applications, such as biocompatible fluorescent or Raman markers
59 citations
TL;DR: Secondary alcohols are readily converted to ketones under mild conditions by acetone in the presence of a catalytic amount of RuCl2(PPh3)3; in some cases the reaction is co-catalysed by acetophenone.
Abstract: Secondary alcohols are readily converted to ketones under mild conditions by acetone in the presence of a catalytic amount of RuCl2(PPh3)3; in some cases the reaction is co-catalysed by acetophenone.
59 citations
TL;DR: In this paper, the structural characteristics of the catalysts were investigated by specific surface area, X-ray diffraction (XRD), scanning electron microscopy (SEM), Xray photoelectron spectroscopy (XPS), and temperature-programmed reduction (TPR).
59 citations
TL;DR: For both an acetone- and ethanol-solvated model resin system, conversion did not immediately decrease with addition of solvent, but instead increased over that of the model resin alone.
59 citations
59 citations