KALİKSAREN TÜREVİ İMMOBİLİZE EDİLMİŞ MERRIFIELD REÇİNESİ İLE KAPLI QCM SENSÖRÜNDE SULU ORTAMDA 4-NİTROFENOL ALGILANMASI

Abstract

This study describes the sensing studies of QCM sensor which modified with calixarene hydrazine amide derivative immobilized Merrifield resin (CIMR) for the p -nitrophenol (PNP) sensing in aqueous media. For this aim, first CIMR was prepared and its structure was characterized, and then it was coated onto the QCM crystal surface. The PNP sensing studies of CIMR modified QCM sensor revealed good results for PNP sensing. Thus, it was performed the sensing studies at different concentration and pHs in aqueous media. From the results, it was found that the limit of detection was 0.34 mM and optimum pH value was 10 for PNF sensing by CIMR modified QCM sensor. Moreover, it was calculated the adsorption capacity of CIMR as 372 mg/g from the Langmuir and Freundlich isotherm models.