Fabrication of molecularly imprinted polypyrrole /Ru@ethyl-SiO2 nanocomposite for the ultrasensitive electrochemiluminescence sensing of 17β-Estradiol

An ECL sensor, based on Ru@ethyl-SiO2 nanoparticles and molecularly imprinted polypyrrole, is fabricated, and it presents high sensitivity and selectivity for 17β-estradiol.218