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In this study, a cell labelling method is presented using biocompatible europium doped hydroxyapatite (Eu-HAP) inorganic nanoparticles. Eu-HAP nanoparticles were successfully prepared by precipitation method and utilized to label Bel-7402 human liver cancer cells as fluorescent probe. After Eu-HAP nanoparticles were internalized by cells, the strong green fluorescence and the red fluorescence were observed with excitation of blue light and green light respectively. Results show that the Eu-HAP nanoparticles exhibit the potential to become valuable biocompatible fluorescent labelling material in biological studies.
Current Nanoscience publishes authoritative reviews and original research reports, written by experts in the field on all the most recent advances in nanoscience and nanotechnology. All aspects of the field are represented including nano- structures, synthesis, properties, assembly and devices. Applications of nanoscience in biotechnology, medicine, pharmaceuticals, physics, material science and electronics are also covered. The journal is essential to all involved in nanoscience and its applied areas.