History Ultraviolet (UV) rays from sunlight particularly it is UVB element (290-320?nm) is definitely the major etiological reason behind skin cancers that impacts more than 2 mil lives in america alone. with UVB (40?mJ/cm2) and dot-blot evaluation was performed to detect cyclobutane pyrimidine dimers (CPDs) seeing that a sign of DNA harm. Apoptosis was examined… Continue reading History Ultraviolet (UV) rays from sunlight particularly it is UVB element