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![Driving force for the adsorption of peptides onto silica and the impact of medium conditions, pH, and salt concentration. Panel (A): correlation between peptide isoelectric point and the minimal initial peptide concentration required for adsorption, [pep]min, for different peptides (7mer: LDHSLHS, pep2: YITPYAHLRGGN, pep1: KSLSRHDHIHHH, pep4: MHRSDLMSAAVR, Si4-1: MSPHPHRHHHT, Si4-10: RGRRRRLSCRLL) (50 mM phosphate, 150 mM NaCl, pH 7.5). Reprinted with permission from [24]. Copyright (2012) American Chemical Society. Panel (B): amount of adsorbed peptides on silica NPs as a function of the solution pH for KLPGWSG, AFILPTG, and LDHSLHS (buffer 100 mM phosphate, 150 mM NaCl). Reprinted with permission from [115]. Copyright (2014) American Chemical Society. Panel (C): influence of NaCl concentration on the SPR shift by the adsorption of sfGFP-Car9 (Car9: DSARGFKKPGKR) construct onto silica substrates (buffer 20 mM Tris-HCl with 0, 50, and 100 mM NaCl, pH 7.5, 0.125 µM sfGFP-Car9). Reprinted with permission from [25]. Copyright (2019) American Chemical Society.](publication/390291282/figure/fig2/AS:11431281395437982@1745473923120/Driving-force-for-the-adsorption-of-peptides-onto-silica-and-the-impact-of-medium.jpg)
Driving force for the adsorption of peptides onto silica and the impact of medium conditions, pH, and salt concentration. Panel (A): correlation between peptide isoelectric point and the minimal initial peptide concentration required for adsorption, [pep]min, for different peptides (7mer: LDHSLHS, pep2: YITPYAHLRGGN, pep1: KSLSRHDHIHHH, pep4: MHRSDLMSAAVR, Si4-1: MSPHPHRHHHT, Si4-10: RGRRRRLSCRLL) (50 mM phosphate, 150 mM NaCl, pH 7.5). Reprinted with permission from [24]. Copyright (2012) American Chemical Society. Panel (B): amount of adsorbed peptides on silica NPs as a function of the solution pH for KLPGWSG, AFILPTG, and LDHSLHS (buffer 100 mM phosphate, 150 mM NaCl). Reprinted with permission from [115]. Copyright (2014) American Chemical Society. Panel (C): influence of NaCl concentration on the SPR shift by the adsorption of sfGFP-Car9 (Car9: DSARGFKKPGKR) construct onto silica substrates (buffer 20 mM Tris-HCl with 0, 50, and 100 mM NaCl, pH 7.5, 0.125 µM sfGFP-Car9). Reprinted with permission from [25]. Copyright (2019) American Chemical Society.
Source publication
Silica-binding peptides (SBPs) are increasingly recognized as versatile tools for various applications spanning biosensing, biocatalysis, and environmental remediation. This review explores the interaction between these peptides and silica surfaces, offering insights into how variables such as surface silanol density, peptide sequence and compositi...
