A team of researchers, led by the University of Minnesota, has developed a groundbreaking one-step, crystal growth process for making ultra-thin zeolite nanosheets and demonstrated their use as ultra-selective membranes for chemical separations. Peng Bai, Evgenii Fetisov, Raghu Thyagarajan, and Rob DeJaco performed electronic structure calculations and molecular dynamics and Monte Carlo simulations to aid the structure determination and probe the transport and adsorption selectivities.