Figure 22: Scheme of the fabrication of AuNRs/SiO2-HP. IPA, isopropyl alcohol; TEOS, tetraethyl orthosilicate; APTES, 3-aminopropyltriethoxysilane; HP, hematoporphyrin; DCC, dicyclocarbodiimide; CTAB, cetyltrimethylammonium bromide [302].