It's a common storytelling trope: the stubborn foe who is eventually revealed to be a much-needed friend. Biology has its own ...

Polyethyleneimines (PEIs) are extensively researched as non-viral vectors for gene and medication delivery because of their capacity to condense nucleic acids into nanoparticles known as polyplexes. 1 ...

Researchers have identified a form of molecular motion that has not previously been observed. When what are known as "guest molecules"—molecules that are accommodated within a host molecule—penetrate ...