Previous Article Next Article Table of Contents Journal of the American Chemical Society, Vol.122, No.26, 6307-6308, 2000 DOI10.1021/ja0004229 Export Citation Switching of cation selectivity toward Na+ and K+ by a new type of pH-responsive 16-crown-5 in a countercurrent double uphill transport system Nakatsuji Y, Kita K, Inoue H, Zhang WB, Kida T, Ikeda I Please enable JavaScript to view the comments powered by Disqus.