The new technology is called JCM, short for the Janus Channel of Membranes, named after the Roman god known for having two faces. It uses a pair of membranes that only allow certain materials through.

Scale bar is 10 mm. c) A water droplet deposited on an inclined Janus membrane rolls on the unmodified hydrophobic region only to be immobilized by a 10 mm Janus-modified region. These images were ...

Complementary hydrogen bonding interactions guide the molecules to form ribbon-type assembly in phospholipids, where the hanged crown-ether rings can be arranged into channels to transport ions ...