Journal of Chemistry / 2013 / Article / Fig 4

Research Article

Fabrication of Heparinized Mesoporous Silica Nanoparticles as Multifunctional Drug Carriers

Figure 4

Survey XPS spectra of amino-modified MSNs (a); heparin-modified MSNs (b); XPS S 2p spectrum of heparin-modified MSNs (c); XPS N 1s spectrum of heparin-modified MSNs (d).
430459.fig.004a
(a)
430459.fig.004b
(b)
430459.fig.004c
(c)
430459.fig.004d
(d)