2015
DOI: 10.1021/acsami.5b06434
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Biotic–Abiotic Interactions: Factors that Influence Peptide–Graphene Interactions

Abstract: Understanding the factors that influence the interaction between biomolecules and abiotic surfaces is of utmost interest in biosensing and biomedical research. Through phage display technology, several peptides have been identified as specific binders to abiotic material surfaces, such as gold, graphene, silver, and so forth. Using graphene-peptide as our model abiotic-biotic pair, we investigate the effect of graphene quality, number of layers, and the underlying support substrate effect on graphene-peptide i… Show more

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Cited by 37 publications
(47 citation statements)
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“…12). [178][179][180][181]185 Graphite and graphene mainly behave as hydrophobic surfaces and binding energies of amino acids, peptides, and surfactants are somewhat negative in aqueous solution. Common residues with higher affinity include H, Y, W, and F, as well as amide groups in Q and N ( Fig.…”
Section: Molecular Mechanismsmentioning
confidence: 99%
“…12). [178][179][180][181]185 Graphite and graphene mainly behave as hydrophobic surfaces and binding energies of amino acids, peptides, and surfactants are somewhat negative in aqueous solution. Common residues with higher affinity include H, Y, W, and F, as well as amide groups in Q and N ( Fig.…”
Section: Molecular Mechanismsmentioning
confidence: 99%
“…Therefore, the calculation parameters were considered to be accurate. We have considered the van der Waals interaction [ 24 , 25 ] between the SWG and Cp. A Cp or half-metallocene was located at the center of the carbon ring of SWG.…”
Section: Calculation Detailsmentioning
confidence: 99%
“…The interactions between graphene and different molecules are important for sensor devices based on the graphene. Therefore, experimental or theoretical research has focused on understanding the effect of the electronic and magnetic properties of graphene when molecules adsorb on graphene [ 24 , 25 , 26 , 27 ]. Transition metals (TMs) absorbed in carbon nanotube and graphene have been given great attention because the absorbed TM atoms can generate novel physical, chemical, and mechanical properties [ 28 , 29 , 30 ].…”
Section: Introductionmentioning
confidence: 99%
“…Besides, its low cost, real time output, and label-free entities also attracted researchers' interests (Cheng et al, 2012). QCM has been successfully used in various biological analyses to study interactions between biomolecules Takahashi et al, 2012;Patel et al, 2009), biomolecules and abiotic molecules (Tang et al, 2014;Nelson et al, 2015;Kim et al, 2015), because of the capability to monitor the interactions in a dynamic, label-free, and noninvasive way (Takahashi et al, 2009; Uludag and Tothil, 2012). The assay is mainly implemented by detecting the frequency change before and after the target biomolecules reacted with the corresponding ligands immobilized on QCM surfaces, and the change is usually limited.…”
Section: Introductionmentioning
confidence: 99%