This book examines the new steps of success in the field of chemical and biochemical kinetics. Topics discussed include the activation energy of molecule and atom diffusion in bio-systems; mathematical modelling dependence of thermodynamic characteristics upon spatial-energy parameter of free atoms; dependence of nanostructure formation degree upon spatial-energy characteristics of free atoms; sevilene-based hybrid composites; organosilicon polymers with photo switchable fragments in the side chain and ferrocene-containing polyphenylenes as precursors for magnetic nanomaterials.