3.2.1 Investigating effect of magnetic metal-organic framework nanocomposite dose on curcumin uptake
To investigate the effect of the interaction of curcumin molecules with magnetic metal-organic framework nanocomposite, prepared the aqueous solution of curcumin with a concentration (100 mg /L) and then 100 ml of solution were sampled. Calculate the amount of curcumin in solution and added to various ratios of (1:2), (2:1) and (1:1) magnetic metal-organic framework nanocomposites (NiFe2O4@SiO2@HKUST-1) with weight percentage (30% wt.). Placed the solution on the shaker for better mixing. Sampling and centrifugation performed every 2 hours and spectrophotometer used to measure the wavelength and the absorption value was calculated.
Fig(5). Investigation of the effect of nanocomposite concentration on curcumin
Fig (5) showed, as the nanocomposite ratio of the magnetic metal-organic framework to curcumin increases, the adsorption efficiency increases. It was also obtained that the maximum efficiency (90%) were riched after 8 hours when the nanocomposite of the magnetic metal-organic framework of the magnet was double of the amount of curcumin used in the solution. This increase in efficiency is due to the increase in sites and free puros due to the increase in the concentration of metal-organic framework nanocomposite compared to the concentration of curcumin in the solution.