Subhamay Pramanik Radiochemist: Synthetic Physical-Organic Chemist Contact PRAMANIKS@ORNL.GOV All Publications Cascade CO2 Insertion in Carbanion Ionic Liquids Driven by Structure Rearrangement Supramolecular Complexation-Enhanced CO2 Chemisorption in Amine-Derived Sorbents Tetradentate Ligand’s Chameleon-Like Behavior Offers Recognition of Specific Lanthanides Emerging Rare Earth Element Separation Technologies Observation of a promethium complex in solution Key Links Curriculum Vitae Organizations Physical Sciences Directorate Chemical Sciences Division Separations and Polymer Chemistry Section Nanomaterials Chemistry Group