Skip to main content
. 2013 Sep 12;8(9):e73642. doi: 10.1371/journal.pone.0073642

Figure 4. a) XPS spectrum of MWNT and MWNT bound lipase showing carbon 1 s high resolution spectra. b) XPS spectrum of MWNT and MWNT bound lipase showing nitrogen 1 s high resolution spectra.

Figure 4