TY - GEN AU - Barboiu,Mihail AU - Lehn,Jean-Marie TI - Dynamic chemical devices: modulation of contraction/extension molecular motion by coupled-ion binding/pH change-induced structural switching SN - 0027-8424 PY - 2002///0614 KW - Crystallography, X-Ray KW - Dimerization KW - Hydrogen-Ion Concentration KW - Ions KW - Lead KW - chemistry KW - Ligands KW - Magnetic Resonance Spectroscopy KW - Metals KW - Models, Chemical KW - Models, Molecular N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1073/pnas.082099199 ER -