Calix[4]pyrrole virtuous sensor: a selective and sensitive recognition for Pb(II) ions by spectroscopic and computational study

Keyur D. Bhatt*a http://orcid.org/0000-0001-9301-576X, Hemangini D. Shahb, Krunal M. Modic, Moksha B. Narechaniad & Chirag Patelda Department of Chemistry, Mehsana Urban Institute of Sciences, Ganpat University, Kherva, Indiab Department of Chemistry, C. U. Shah University, Wadhwan, Gujarat, Indiac J. Heyrovsky Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, Prague 8, Czech Republicd School of Sciences, Gujarat University, Ahmedabad, Gujarat, India