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. 2022 Feb 2;33(2):20. doi: 10.1007/s10856-022-06646-7

Fig. 2.

Fig. 2

Serum protein adsorption of Ti with or without surface treatment. A Detached protein concentration obtained with different surfactants. The results showed that 2% SDS was most efficient among the applied solvents and was used to elute the adsorbed proteins in the following experiments (n = 4). B The adsorbed protein amount in each group at each time point was quantitatively analyzed by the BCA method (n = 4). The results showed that AAPT adsorbed more serum protein than NTPT and NTDT (p < 0.001). C Thickness of the adsorbed protein layer on each group measured as a function of protein adsorption, showing that the protein layer on the AAPT sample was thicker than that on the other two samples (n = 4). D SDS–PAGE patterns of the adsorbed proteins were visualized by a gel imaging system (n = 4). The results showed that more protein bands were detected on NTPT and AAPT than on NTDT