File Name : fig. s1.tif Caption : fig. s1. hydrodynamic diameters distribution of hmsns and hmsns-snh. File Name : fig. s2.tif Caption : fig. s2. xrd spectra of hmsns and hmsns-snh. File Name : fig. s3.tif Caption : fig. s3. ftir spectra of ha and oha. File Name : fig. s4.tif Caption : fig. s4. ftir spectra of hmsns, hmsns-sh, hmsns-ss-nh₂ and hmsns-snh. File Name : fig. s5.tif Caption : fig. s5. ¹h nmr spectra of py-ss-nh₂. File Name : fig. s6.tif Caption : fig. s6. ¹h nmr spectra of ha and oha.