Synthesis of multifunctional composite microgels via in situ Ni growth on pNIPAM-coated Au nanoparticles.

  title={Synthesis of multifunctional composite microgels via in situ Ni growth on pNIPAM-coated Au nanoparticles.},
  author={Ana S{\'a}nchez-Iglesias and Marek Grzelczak and Benito Rodr{\'i}guez-G{\'o}nzalez and Pablo Guardia-Gir{\'o}s and Isabel Pastoriza-Santos and Jorge P{\'e}rez-Juste and Maurizio Prato and Luis M Liz-Marz{\'a}n},
  journal={ACS nano},
  volume={3 10},
Novel colloidal composites have been designed to incorporate multiple functionalities that allow optical detection, magnetic manipulation, molecular trapping, and thermal response. Such particles are made of gold nanoparticle cores covered by a thin layer of metallic nickel and a poly(N-isopropylacrylamide) (pNIPAM) shell. While the gold cores provide efficient optical response through localized surface plasmon resonances, nickel allows external magnetic manipulation and the pNIPAM shell can be… CONTINUE READING
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