Optical and first principle investigations of novel 4-sulfocalix[4]arene-para-aminobenzoic acid complex for drug sensing application. - Wong, Yeong Yi; Supian, Faridah Lisa; Radzwan, Afiq; Karim, Nur Farah Nadia Abd; Hamidon, Farish Armani; Ahmad, Nur Irwany (Journal of Inclusion Phenomena & Macrocyclic Chemistry, 2025)