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Table 1 Mean molar concentrations \(^{a}\) and extinction coefficients (\(\epsilon\))\(^{b}\) of gold nanosphere solutions

From: Hydrophilic gold nanospheres: influence of alendronate, memantine, and tobramycin on morphostructural features

Sample

AuNSs’ molar conc. ± SD (M)

\(\epsilon \pm SD (M^{-1} cm^{-1})\)

Drug conc.

AuNSs

\(3.68 * 10^{-8}\)

 

—

AuNSs with Alen

\((3.97 \pm 0.29)10^{-8}\)

\((3.02 \pm 0.39) 10^{4}\)

3.69 mM

AuNSs with Mema

\((3.67 \pm 0.36 )10^{-8}\)

\((2.22 \pm 0.029) 10^{6}\)

55.77 uM

AuNSs with Tobr

\((3.22 \pm 0.084)10^{-8}\)

\((5.35 \pm 0.047) 10^{6}\)

213.90 nM

AuNSs with Tobr

\((3.33 \pm 0.37)10^{-8}\)

——-\(^{c}\)

21.39 uM

  1. \(^{a}\) molar concentrations calculated from Eq. (2)
  2. \(^{b}\) extinction coefficients calculated from the slope of regression lines in Fig. (2)
  3. \(^{c}\) extinction coefficient not calculated due to aggregation of AuNSs and unstable \(\uplambda _{max}\)