Sonochemistry
“In chemistry, the study of sonochemistry is concerned with understanding the effect of sonic waves and wave properties on chemical systems. The chemical effects of ultrasound do not come from a direct interaction with molecular species. Studies have shown that no direct coupling of the acoustic field with chemical species on a molecular level can account for sonochemistry or sonoluminescence. Instead, sonochemistry arises from acoustic cavitation: the formation, growth, and implosive collapse of bubbles in a liquid. This is demonstrated in phenomena such as ultrasound, sonication, sonoluminescence, and sonic cavitation.(Wikipedia, Sonochemistry, 11/9/2010)
Recent Journal Articles
Influence of Various Reduction Reagents on the Morphological Properties of Ag Nanoparticles@Silk Fiber Prepared Using Sonochemical Method
(369-375) Journal of Inorganic and Organometallic Polymers and Materials 21 #2 (2011)
Abbasi and Morsali of Tarbiat Modares University, Iran, prepared silk fiber-containing Ag nanoparticles through chemical reduction under ultrasound irradiation. The influence of reducing reagents on the morphological properties of the Ag nanoparticles-silk fiber was studied. The size of the metallic nanoparticles vary significantly with the type of reducing reagent used in the synthesis. A strong reducing reagent promotes a fast reaction rate and favors the formation of smaller nanoparticles. A weak reducing reagent induces a slow reaction rate and favors relatively larger particles. (RDC 5/23/2011)
Application of sonochemistry in the isomerization of carbon-carbon double bonds
(pages 5254–5257)Journal of Polymer Science Part A: Polymer Chemistry 48 #22 (2010)
Yao, Chen and Pang of the University of Akron converted cis-alkenes to the trans isomers within 1.5 h under sonication in chloroform at 0 C by first order kinetics. (RDC 11/9/2010)