Fig. 4
From: Functionalized Nano-adsorbent for Affinity Separation of Proteins
SDS-PAGE analysis of purified GST-tagged proteins separated by SnO2/SiO2-GSH NSs. a Lane 1, marker; lane 2, E. coli lysate; lanes 3–6 refer to the fractions washed off from the SnO2/SiO2-GSH NSs with different concentrations of GSH solution (lane 1, 10 mmol/L; lane 2, 20 mmol/L; lane 3, 50 mmol/L; lane 4, 100 mmol/L). b Lane 1, marker; lane 2, E. coli lysate; lane 3, 1st separation; lane 4, 2nd separation; lane 5, 3rd separation; and lane 6, the fractions washed off from the Glutathione Sepharose 4B