The Dangers of Colloidal Silver

The Dangers of Colloidal Silver

Paul Karasontelling telling about dangers of Colloidal Silver.

test Introduction to Chemistry

Introduction to ChemistryIntroduction to Chemistry

Self healing hydrogels and its industrial applications

Hydrogels are water-swollen, cross-linked polymeric structures produced by reactions of monomers or by hydrogen bonding. This hydrogels used in various applications .