Encapsulation and enzyme-mediated release of molecular cargo in polysulfide nanoparticles.

  title={Encapsulation and enzyme-mediated release of molecular cargo in polysulfide nanoparticles.},
  author={Brett L. Allen and Jermaine D Johnson and Jeremy Walker},
  journal={ACS nano},
  volume={5 6},
Poly(propylene sulfide) nanoparticles (<150 nm) have been synthesized by an anionic, ring-opening emulsion polymerization. Upon exposure to parts per million (ppm) levels of oxidizing agent (NaOCl), hydrophobic polysulfide particles are oxidized to hydrophilic polysulfoxides and polysulfones. Utilizing this mechanism, the encapsulation of hydrophobic molecular cargo, including Nile red and Reichardt's dye, within polysulfide nanoparticles has been characterized by a variety of microscopic and… CONTINUE READING
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