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. Author manuscript; available in PMC: 2018 Feb 12.
Published in final edited form as: Chem Rev. 2015 Feb 18;115(7):2483–2531. doi: 10.1021/cr500537t

Figure 33.

Figure 33

GO wrapped AuNPs for intracellular Raman imaging and drug delivery. (A) Illustrative mechanism of SERS-based bioimaging and anticancer drug delivery by using Au@NGO. (B) Confocal laser scanning microscopy (CLSM) images of HeLa cells treated with DOX-loaded Au@ NGO (Au@NGO + DOX, 25 μg mL−1) for different times. (C) MTT cytotoxicity assay of HeLa cells after being treated with DOX-loaded Au@ NGO (Au@NGO + DOX) and free DOX. Reprinted with permission from ref 218. Copyright 2013 Royal Society of Chemistry.