An artist's depiction of the promise of carbon nanotube porins for desalination. (llnl.gov)
However, be aware that many proteins run at the same 16kD size as COX IV - our VDAC1 / Porin antibody makes a good alternative mitochondrial loading control for proteins of this size. (abcam.com)
The golden clusters in the image are porin proteins that commonly stud the outer membrane of Escherichia coli bacteria. (scientificamerican.com)