Liquid nitrogen for wart.

Liquid nitrogen for wart.

Liquid nitrogen is a treatment for viral wart. The cold liquid nitrogen is used to freeze the infected tissue on the skin.

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 .