Membrane

Chemistry-powered 'breathing' membrane opens and closes tiny pores on its own

• Chemistry-powered membrane autonomously opens and closes nanoscale pores, mimicking biological ion channels. • Pores are fabricated at angstrom-scale widths, matching the size of

Antibiotic resistance is rising: A membrane protease could be E. coli's weak spot

• A University of Alberta research team has identified a new drug target to treat harmful E. • coli bacteria-which cause nearly 250,000 deaths a year from urinary tract infections