Hildebrand, S. Löwa, N. Paysen, H. Fratila, R.M. Reverte-Salisa, L. Trakoolwilaiwan, T. Niu, Z. Kasparis, G. Preuss, S.F. Kosch, O. De La Fuente, J.M. Thanh, N.T.K. Wiekhorst, F. Pfeifer, A. Quantification of Lipoprotein Uptake in Vivo Using Magnetic Particle Imaging and Spectroscopy ACS Nano 10.1021/acsnano.0c03229 2021 2021