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This book provides informative, useful, and stimulating reading on the topic of organic sonochemistry – the core of ultrasound-based applications. Given the increasing interest in new and improved technologies, allied to their green and sustainable character (not always a valid premise), there is a great attraction for organic chemists to apply these protocols in synthesis and process chemistry. Unfortunately, as with other enabling technologies, many researchers new to the field have received a simple and dishonest message: just switch on! Therefore a significant portion of sonochemical syntheses lack reproducibility (surprisingly cavitation control and/or ultrasonic parameters are omitted) and the actual role of sonication remains uncertain. While this book does not provide a detailed description of fundamentals, the introductory remarks highlight the importance of cavitational effects and their experimental control. It presents a number of concepts of sonochemical reactivity and empirical rules with pertinent examples, often from classical and recent literature. It then focuses on scenarios of current interest where organic chemistry, and synthesis in particular, may benefit from sonication in terms of both chemical and mechanical activation. The “sustainable corner” of this field is largely exemplified through concepts like atom economy, renewable sources, wasteless syntheses, and benign solvents as reaction media. This book is useful for both researchers and graduate students, especially those familiar with the field of sonochemistry and applications of ultrasound in general. However, it is also of interest to a broader audience as it discusses the fundamentals, techniques, and experimental skills necessary for scientists wishing to initiate the use of ultrasound in their domain of expertise.

Chemistry, Organic --- Research. --- Organic chemistry --- Chemistry --- Chemical engineering. --- Chemistry, Organic. --- Chemistry, Physical organic. --- Biomaterials. --- Industrial Chemistry/Chemical Engineering. --- Organic Chemistry. --- Physical Chemistry. --- Biocompatible materials --- Biomaterials --- Medical materials --- Medicine --- Biomedical engineering --- Materials --- Biocompatibility --- Prosthesis --- Chemistry, Physical organic --- Chemistry, Physical and theoretical --- Chemistry, Industrial --- Engineering, Chemical --- Industrial chemistry --- Engineering --- Chemistry, Technical --- Metallurgy --- Organic chemistry. --- Physical chemistry. --- Bioartificial materials --- Hemocompatible materials --- Chemistry, Theoretical --- Physical chemistry --- Theoretical chemistry --- Biomaterials (Biomedical materials)

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Homo animal est : l’être humain appartient lui-même au règne animal, mais il est le seul à projeter sur les autres membres de ce vaste ensemble un regard analytique. Prendre l’animal comme objet d’étude, c’est le propre de l’homme. « Chez absolument tous il y a quelque chose de naturel, c’est-à-dire de beau » : Aristote, s’apprêtant à détailler les Parties des animaux, prévient son lecteur que les animaux les plus répugnants méritent eux aussi l’attention du scientifique, car ils témoignent des règles auxquelles se conforme la nature, que le philosophe a à cœur de percer. Cette longue tradition d’étude du monde animal, renouvelée aujourd’hui par les découvertes sur le génome, a pris de multiples formes au travers des âges ; mais elle a toujours suscité d’amples questionnements, non seulement sur la nature des animaux eux-mêmes, mais aussi, plus largement, sur leur place dans le monde et, en retour, sur celle de l’homme lui-même. Le Congrès national des sociétés historiques et scientifiques rassemble chaque année universitaires, membres de sociétés savantes et jeunes chercheurs. Ce recueil est issu de travaux présentés lors du 141e Congrès sur le thème « L’animal et l’homme ».

History & Philosophy Of Science --- histoire de l'art --- archéologie --- histoire --- littérature --- zoologie --- histoire des sciences --- mythologie --- histoire des religions --- géologie --- philosophie --- Antiquité --- Moyen Âge --- époque moderne --- époque contemporaine