Figure 2 | Scientific Reports

Figure 2

From: Surface-modified three-dimensional graphene nanosheets as a stationary phase for chromatographic separation of chiral drugs

Figure 2

(a) HPLC curves for experiments show separation results of racemic ibuprofen solution with (S)-(+)-2-pyrrolidinemethanol -modified 3D GNS stationary phase (50:50 vol. % mixture of MOD3 3D GNS and graphite powder). Red curve: 2.5 mg/ml solution of racemic ibuprofen in hexane; green curve: 0.8 mg/ml solution of racemic ibuprofen in hexane. (b) HPLC curves for experiments with TCNEO-modified 3D GNS stationary phase (MOD1 3D GNS mixed with graphite powder). Red curve: 0.8 mg/ml solution of racemic ibuprofen in hexane; green curve: 0.2 mg/ml solution of racemic ibuprofen in hexane.

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