and an anthocyanin dye extract obtained from red onion skin. Previous research showed that all of these substances have UV-blocking properties. In lab tests, separate sheets of nanocellulose film ...
A recent study by the University of Turku and Aalto University in Finland and Wageningen University in the Netherlands found that nanocellulose dyed with red onion skin extract provides very effective ...
Submerge the egg bundles in the cooled onion skin dye. The longer they soak, the deeper the color will be. For a light golden color, soak for 10 minutes. For a richer amber, soak for 30 minutes to ...
A recent study by the University of Turku and Aalto University in Finland and Wageningen University in the Netherlands found that nanocellulose dyed with red onion skin extract provides very effective ...
In the picture, a film dyed with red onion skin extract and dye-sensitised solar cells. The films were placed on top of the solar cells in the study. Researchers at the University of Turku ...
A recent study by the University of Turku and Aalto University in Finland and Wageningen University in the Netherlands found that nanocellulose dyed with red onion skin extract provides very ...