In some cases, even quantitative improvements, novel crystal arrangements, and interesting particle shapes can be achieved. Significant qualitative drawbacks in materials synthesized by such novel ways in terms of crystal quality and physical properties are usually not encountered. Such innovative techniques include combustion, sol gel and coprecipitation methods, sonochemistry, hydrothermal synthesis, and microwave-assisted techniques. In this context, a vast amount of novel chemical synthesis techniques have been developed during the last decades. The latter concept has resulted in considerable efforts recently to renovate the conventional synthetic chemical industry by introducing new green chemistry concepts, where the energy requirements for chemical processing or synthesis would be drastically reduced. Therefore, large research efforts are already based on or will be targeted on the development of clean fuels to replace fossil fuels, the improvement of the existing resources and the discovery of new sustainable energy resources, the establishment of new efficient ways to store sustainable energy, and the replacement of the existing high energy consuming technologies with the more energy efficient ones. The general topic of energy is regarded to be one of the most important areas for any research and development activities at the start of the twentyfirst century. And this is not all, you can also choose to perform one reaction at a time or to perform parallel synthesis with Milestone's rotors for up to 24 reactions at the same time. In fact, the different accessories that can be fitted inside the multimode microwave cavity cover a large ramp of volume, from 2 ml to 500 ml, different values of pressure, from 1 to 50 bar, and give the possibility to reach temperature up to 250 degrees C. Milestone's MicroSYNTH labstation combined with the microwave technology, satisfies the need of the various chemical research laboratories. In this context, the efficency of microwave heating to speed up chemical reactions matches perfectly the need of short and clean chemical reactions. ![]() This technique is becoming more and more popular because it concerns the quick synthesis of a high number of compounds with pharmaceutical activity. And if we look at the field of drug discovery, during the last decade combinatorial chemistry, along with combinatorial and parallel synthesis, has held a fundamental role. Some researchers work with small volumes, others with large ones in homogeneous or heterogeneous conditions, with solvent or dry media at normal pressure or under pressure. In the actual research world, the laboratory has different needs, correlated to the field and level of research.
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