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What is pH Sensing Nanospheres for Optical Sensors about?

The document describes the development of core-shell silica nanoparticles for use as pH sensing probes in flow injection and sequential injection analysis applications. The nanoparticles contain an pH-sensitive dye, N-allyl-4-piperazinyl-1,8-naphthalimide (APN), in the shell and a pH-insensitive reference dye, ruthenium(II) tris(diphenylphenanthroline), in the core. A sol-gel method is used to synthesize the core-shell structured nanoparticles. Phase shift measurements using a dual-phase lock-in amplifier s

Author

aleksandar-szechenyi-6172

Language

EN