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Preparation of Monodisperse Polymer Spheres
Monodisperse, surfactant-free polymer spheres for use as colloidal crystal templates can be easily obtained in reasonably large quantities. Typical synthesis methods for poly(methyl methacrylate) (PMMA) and poly(styrene) (PS) by emulsifier free emulsion polymerization are described below and yield spheres several
Multidimensional Application of Selenium Nanoparticles
Selenium is an essential trace element. It is a necessary dietary constituent of at least 25 human selenoproteins and enzymes containing selenocysteine. Additionally, as selenium is a semiconductor and photoelectrically active, it has more advanced applications such as xerography and
Washing Microparticles
Microparticles protocol for washing particles may be done via centrifugation. This procedure must be performed carefully.