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. 2019 Jan 25;14:819–834. doi: 10.2147/IJN.S190946

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© 2019 Gajendiran et al. This work is published and licensed by Dove Medical Press Limited

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XPS traces of (A1) C 1s, (B1) O 1s and (C1) Au4f of CPEG-AuNPs, (A2) C 1s, (B2) O 1s and (C2) Au4f of MAP-AuNPs, and (A3) C 1s, (B3) O 1s and (C3) Au4f of TAP-AuNPs nanoconjugates.

Abbreviations: AuNP, gold nanoparticles; CPEG, citrate polyethylene glycol; MAP, malate polyethylene glycol; TAP, tartrate polyethylene glycol; XPS, X-ray photoelectron spectroscopy.