Complex sentence: Bioadhesives are of commercial interest because they tend to be biocompatible for biomedical applications involving skin or other body tissue, some work in wet environments and under water, and some can stick to low surface energy/nonpolar surfaces like plastics.
Split into simpler sentences: Bioadhesives are of commercial interest because they tend to be biocompatible, i.e. useful for biomedical applications involving skin or other body tissue. Some work in wet environments and under water, while others can stick to low surface energy/nonpolar surfaces like plastics.