Effect of preventive foliar applications of silicon-enriched carbon nanoparticles (C-dots-Si) on infestation of Tetranychus urticae in bean plants (Phaseolus vulgaris L.)
  Structural and elemental characterization of α-chitin isolated from Eupelops torulosus torulosus and Achipteria (A.) acuta (Acari, Oribatida), in related to soil geochemistry