Figure 2:
Structure of the cyanoacrylates used in this study: ethyl cyanoacrylate (ECN: R=CH
2
-CH
3
), n-butyl cyanoacrylate (BCN: R=(CH
2
)
3
-CH
3
) and n-octyl cyanoacrylate (OCN: R=(CH
2
)
7
-CH
3
).