More information: S V Anjana Krishna et al, Biomass derived cellulose nanofiber loaded PVA-nanocurcumin coating for extending ...

Or is it? According to [rschoenm], all it takes to engrave glass is a special coating. The recipe is easy: two parts white PVA glue, one part water, and two parts powdered titanium dioxide.

Thus, scientists applied polyvinyl alcohol (PVA) coatings of various thicknesses to the scaffold samples by immersion, and then conducted studies of the morphology of the surfaces and cross-sections ...