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Antibiotic chemistry in soils and water bodies by ssNMR

Solid-state NMR is a powerful method for the study of guest-host adducts, since it provides information about the structure and dynamics of both guest and host over a wide-range of time scales, length scales and temperature scales. Broad-spectrum antibiotics are persistent pollutants of soils, surface and deep waters in agricultural and urban environments and known to induce high levels of bacterial resistance. Several techniques have been developed to degrade and remove antibiotics from soils, water and wastewater bodies, adsorption on porous materials (activated carbon or zeolites) are one of the most efficient technique. Understanding of guest-host interactions is of paramount importance for the development of optimum adsorbents for the efficient removal of antibiotics from environmental bodies. Multidimensional and multinuclear (¹H, ¹³C, ¹⁵N and ²⁹Si) NMR measurements can support in the studies involving non-covalent guest-host interactions in adsorbed adduct systems.