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. 2015 May 14;5:10158. doi: 10.1038/srep10158

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Photographs of polyA (10, 20 and 30, respectively) DNA-functionalized AuNPs dispersed in various concentrations of organic solvents. DMF = dimethylformamide; DMSO = dimethyl sulfoxide; EG = ethylene glycol. Each sample also contained 5 mM HEPES, pH 7.4. (A) Photographs of polyA₁₀-DNA-functionalized AuNPs dispersed in various concentrations of organic solvents. (B) Photographs of polyA₂₀-DNA-functionalized AuNPs dispersed in various concentrations of organic solvents. (C) Photographs of polyA₃₀-DNA-functionalized AuNPs dispersed in various concentrations of organic solvents.