Research Article
One-Step Synthesis of PEGylated Gold Nanoparticles with Tunable Surface Charge
Table 1
Absorption maximum, fwhm, pH, and Zeta potential values of colloidal AuNPs reduced with different molecular weight PEGs.
| Nanoparticles | Absorption maximum (nm) | Fwhm (nm) | pH | Zeta potential (mV) |
| AuNPs-PEG200 | 520 | 50 | 7,440 | −28,2 | AuNPs-PEG400 | 533 | 51 | 7,692 | −25,5 | AuNPs-PEG1500 | 523 | 59 | 7,485 | −16,2 | AuNPs-PEG4000 | 522 | 54 | 7,795 | −12,1 | AuNPs-PEG6000 | 519 | 49 | 7,556 | −7,72 | AuNPs-PEG10000 | 517 | 47 | 7,714 | −2,16 | AuNPs-PEG20000 | 524 | 49 | 7,552 | −1,94 |
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