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Double-perovskite magnetic La2NiMnO6 nanoparticles for adsorption of bovine serum albumin applications.

Nanoscale Res Lett. 2013 May 2;8(1):207

Authors: Wu ZY, Ma CB, Tang XG, Li R, Liu QX, Chen BT


Double-perovskite La2NiMnO6 (LNMO) nanoparticles were synthesized by co-precipitation process, and the adsorption of bovine serum albumin (BSA) protein on these nanoparticles was carried out. The powder samples were annealed at 750, 850, 950, and 1,050[degree sign]C, respectively. X-ray diffraction (XRD) results reveal that there are double perovskites and exhibit mixed orientations, without any impurity phases. Transmission electron microscopy results as well as the XRD estimate results show that the crystalline size is about 34 to 40 nm. The adsorption of BSA on the magnetic nanoparticles was analyzed using a UV spectrophotometer at room temperature. The results show that the as-prepared LNMO nanoparticles display a good adsorbing ability for BSA, and the nanoparticle sintered at 850[degree sign]C has the highest value of 219.6 mg/g, which is much higher than others.

PMID: 23639007 [PubMed - as supplied by publisher]