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. 2014 Dec 17;4:7515. doi: 10.1038/srep07515

Table 2. Particle size, Au to carbon ratio and linear regression equations for S1, S2, S3 and S4.

  Particle Size/nm Concentration of Au Linear Regression Equations
S1 13.3 24.0% I (μA) = 2.03431c (mM) + 0.16937
S2 14.2 39.0% I (μA) = 3.73879c (mM) + 0.13651
S3 15.8 57.4% I (μA) = 7.13305c (mM) + 0.11692
S4 16.0 75.5% I (μA) = 4.79901c (mM) + 0.09919