Distance measurements in Au nanoparticles functionalized with nitroxide radicals and Gd(3+)-DTPA chelate complexes.

@article{Yulikov2012DistanceMI,
  title={Distance measurements in Au nanoparticles functionalized with nitroxide radicals and Gd(3+)-DTPA chelate complexes.},
  author={Maxim Yulikov and Petra Lueders and Muhammad Farooq Warsi and Victor Chechik and Gunnar Jeschke},
  journal={Physical chemistry chemical physics : PCCP},
  year={2012},
  volume={14 30},
  pages={10732-46}
}
Nanosized gold particles were functionalised with two types of paramagnetic surface tags, one having a nitroxide radical and the other one carrying a DTPA complex loaded with Gd(3+). Selective measurements of nitroxide-nitroxide, Gd(3+)-nitroxide and Gd(3+)-Gd(3+) distances were performed on this system and information on the distance distribution in the three types of spin pairs was obtained. A numerical analysis of the dipolar frequency distributions is presented for Gd(3+) centres with… CONTINUE READING

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