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Author (up) Jennings, L.; Ivashchenko, O.; Marsman, I.J.C.; Laan, A.C.; Denkova, A.G.; Waton, G.; Beekman, F.J.; Schosseler, F.; Mendes, E. openurl 
  Title In vivo biodistribution of stable spherical and filamentous micelles probed by high-sensitivity SPECT Type Journal Article
  Year 2016 Publication Biomaterials Science Abbreviated Journal Biomater. Sci.  
  Volume 4 Issue 8 Pages 1202-1211  
  Keywords  
  Abstract Understanding how nanoparticle properties such as size, morphology and rigidity influence their circulation time and biodistribution is essential for the development of nanomedicine therapies. Herein we assess the influence of morphology on cellular internalization, in vivo biodistribution and circulation time of nanocarriers using polystyrene-b-poly(ethylene oxide) micelles of spherical or elongated morphology. The glassy nature of polystyrene guarantees the morphological stability of the carriers in vivo and by encapsulating Indium-111 in their core, an assessment of the longitudinal in vivo biodistribution of the particles in healthy mice is performed with single photon emission computed tomography imaging. Our results show prolonged blood circulation, longer than 24 hours, for all micelle morphologies studied. Dynamics of micelle accumulation in the liver and other organs of the reticuloendothelial system show a size-dependent nature and late stage liver clearance is observed for the elongated morphology. Apparent contradictions between recent similar studies can be resolved by considering the effects of flexibility and degradation of the elongated micelles on their circulation time and biodistribution.  
  Address [Jennings, L.; Waton, G.; Schosseler, F.] Univ Strasbourg, CNRS, Inst Charles Sadron, Strasbourg, France, Email: laurence.jennings@ics-cnrs.unistra.fr;  
  Corporate Author Thesis  
  Publisher Royal Soc Chemistry Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2047-4830 ISBN Medium  
  Area Expedition Conference  
  Notes WOS:000380895500006 Approved no  
  Call Number Admin @ benzerara @ Serial 14216  
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