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. 2016 May 26;6:26462. doi: 10.1038/srep26462

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Copyright © 2016, Macmillan Publishers Limited

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(a) R/R_F data for DPTAP monolayers spread on water subphase , subphase containing AuNPs (10 nm in nominal diameter) of bare surface (Δ), AuNPs (10 nm in nominal diameter) coated with DNA and in the presence of 0.1 M NaCl . The R/R_F ≈ 1 at Q_z < 0.0218 Å⁻¹ and the data are shifted vertically for clarity. Solid lines are best-fit calculated reflectivities based on the refined parameters. (b) The corresponding electron density profiles across the air-water interface based on the best-fit structural parameters.

Inline graphic — (a) R/R_F data for DPTAP monolayers spread on water subphase , subphase containing AuNPs (10 nm in nominal diameter) of bare surface (Δ), AuNPs (10 nm in nominal diameter) coated with DNA and in the presence of 0.1 M NaCl . The R/R_F ≈ 1 at Q_z < 0.0218 Å⁻¹ and the data are shifted vertically for clarity. Solid lines are best-fit calculated reflectivities based on the refined parameters. (b) The corresponding electron density profiles across the air-water interface based on the best-fit structural parameters.