@article {zhao2014functional,
	title = {Functional PEG-PAMAM-Tetraphosphonate Capped NaLnF4 Nanoparticles and their Colloidal Stability in Phosphate Buffer},
	journal = {Langmuir},
	volume = {30},
	year = {2014},
	pages = {6980{\textendash}6989},
	doi = {10.1021/la501142v},
	author = {G. Zhao and L. Tong and P. Cao and M. Nitz* and M. A. Winnik*}
}
