When excited at 340 nm,
the reaction mixtures displayed a characteristic blue luminescence at 404 nm. FTIR spectra showed the existence of Si−OH and
Si−O−Si bonds. The nanowires were functionalized with amine groups and used for the covalent immobilization of Candida
rugosa lipase. The immobilized enzyme displayed better pH and temperature stability and retained 80% activity after 20 cycles.