Biocatalysts based on nanozeolite-enzyme complexes: Effects of alkoxysilane surface functionalization and biofuel production using microalgae lipids feedstock.

•Nanozeolites functionalized with APTMS and cross linking GA for enzyme immobilization.•Thermomyces lanuginosus lipases physically or covalently immobilized on nanozeolites.•Nanozeolite-enzymes complexes used as catalysts for the production of biodiesel.•High yield of FAEEs were obtained with zeolitic support treated with nickel.•T. lanuginosus immobilized covalently bonded on GA-Nanozeolite is much more stable.