for SALDI-MS . It can use for heavy metal detection such as mercury ions , lipids , and metallodrugs . It exhibited high efficiency for bone and skin wound regeneration and wound healing . It can use for the drug delivery of in-soluble antibiotics such as gramicidin . It can be used as a co-carrier to enhance the gene transfection of CPPs . GO/cellulose nanocomposite accelerated skin wound healing .