Bifunctional nanostructure of magnetic core luminescent shell and its application as solid-state electrochemiluminescence sensor material

Article Abstract:

Bifunctional nanoarchitecture is developed by combining the magnetic iron oxide and the luminescent Ru[(bpy).sub.3.sup.2+] encapsulated in silica. The sensitive and stable Ru[(bpy).sub.3.sup.2+] electrochemiluminescence (ECL) sensor has shown a wide linear range, high sensitivity and good stability.

Author: Shaojun Dong, Baifeng Liu, Lihua Zhang
Ruthenium, Usage, Electric properties, Magnetic properties, Chemiluminescence

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Controlled and reversible aggregation of biotinylated gold nanoparticles with streptavidin

Article Abstract:

Biotinylated gold nanoparticles were prepared by using a two-step surface modification procedure. First, a carboxyl-terminated alkanethiol was chemisorbed onto the surface of gold nanoparticles in the presence of a stabilizing agent.

Author: Aslan, Kadir, Luhrs, Claudia C., Perez-Luna, Victor H.
Science & research, Gold, Research, Surface chemistry, Carboxyl compounds

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Subjects list: Chemical properties
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