Comment on

• Pore chemistry and size control in hybrid porous materials for acetylene capture from ethylene.

  Cui X, Chen K, Xing H, Yang Q, Krishna R, Bao Z, Wu H, Zhou W, Dong X, Han Y, Li B, Ren Q, Zaworotko MJ, Chen B. Cui X, et al. Science. 2016 Jul 8;353(6295):141-4. doi: 10.1126/science.aaf2458. Epub 2016 May 19. Science. 2016. PMID: 27198674
• A metal-organic framework-based splitter for separating propylene from propane.

  Cadiau A, Adil K, Bhatt PM, Belmabkhout Y, Eddaoudi M. Cadiau A, et al. Science. 2016 Jul 8;353(6295):137-40. doi: 10.1126/science.aaf6323. Science. 2016. PMID: 27387945