Peptide-based biocoatings for corrosion protection of stainless steel biomaterial in a chloride solution

Amino acids and peptides have the potential to perform as corrosion inhibitors. The chemical reactivity descriptors that arise from Conceptual DFT for the twenty natural amino acids have been calculated by using the latest Minnesota family of density functionals. In order to verify the validity of the calculation of the descriptors directly from the HOMO and LUMO, a comparison has been performed with those obtained through ΔSCF results. Moreover, the active sites for nucleophilic and electrophilic attacks have been identified through Fukui function indices, the dual descriptor Δf(r) and the electrophilic and nucleophilic Parr functions. The results could be of interest as a starting point for the study of large peptides where the calculation of the radical cation and anion of each system may be computationally harder and costly.

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“…Indeed, this idea could be extended to small peptides (Muruve et al, 2016). However, the problem of corrosion is pH-dependent.…”

Section: Introductionmentioning

confidence: 99%

Conceptual DFT Descriptors of Amino Acids with Potential Corrosion Inhibition Properties Calculated with the Latest Minnesota Density Functionals

Frau

Glossman‐Mitnik

2017

Front. Chem.

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“…Energy dispersive spectrometry can be used to collect the element information of materials . In this study, EDS detector was applied to detect the distribution of the elements nitrogen and sulfur on the peptide‐modified sample surface.…”

Section: Resultsmentioning

confidence: 99%

“…A new bioorganic material with lower surface energy which yielded by an unknown reaction of peptides and metals has been reported . It revealed that a chemical reaction of the peptide coatings with metals occurred and changed the electronic state of the metal surface . Wong et al obtained a material by the reaction between polypeptide and stainless steel; moreover, the extent of the reaction could be improved via dopamine addition .…”

Section: Introductionmentioning

confidence: 99%

Peptide‐modified stainless steel with resistance capacity of Staphylococcus aureus biofilm formation

Cao

Xiao

et al. 2018

Surface & Interface Analysis

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Attachment of marine fouling organisms causes biofouling. The adhesion of destructive organisms can be reduced through surface modification with antibiofilm chemicals. In this study, a direct surface modification between peptide solution with different concentrations and stainless steel was performed, and the reaction mechanism was explained by simulation of the modification process. Results of surface water contact angle and surface hardness indicated the optimal modification concentration of peptide solution was 10 μg/mL. Under the optimal concentration, peptide-modified stainless steel was prepared through the reaction between peptide and 304 stainless steel. Results of scanning electron microscopy equipped with energy dispersive spectrometry, Fourier transform infrared spectroscopy, and X-ray photoelectron spectroscopy demonstrated that the peptide was successfully bound on stainless steel surface. Antimicrobial activity of samples surface was tested against Staphylococcus aureus. The results illustrated that the peptide treated sample surface possesses significant antimicrobial property. The findings presented valuable information on marine antifouling researches. KEYWORDSantibiofilm, bio-modified metallic material, optimal concentration, peptide, simulationIn aquatic environment, conditioning layer induced by microorganisms is easy to form rapidly on the solid surface. 1 Bacteria then adhere on the conditioning layer and secrete biofilms. The biofilms contain extracellular protein and sticky polysaccharide, which make biofilms easy to attach on almost all surfaces exposed to the non-sterile environment and difficult to remove according to the previous research studies. 2 A large number of fouling organisms will be attracted on the biofilms, resulting in biofouling on the surface of the metal. [3][4][5] Biofouling causes great loss in many fields, including medical implants, food industry, and ship transportation. 6,7 Many methods have been utilized to reduce marine biofouling.For example, coatings with heavy metal ions have been used to reduce the adhesion of biofouling organisms. However, the spreading of the ions into the sea water will cause marine environment pollution. Green techniques should be applied into the research on the antifouling in ship transportation. Previous results showed that the changes of surface energy were related with antifouling of metal surface. Biofouling organisms will be difficult to adhere or easy to detach on the materials surface to achieve antifouling if the surface energy is low or ultralow. [8][9][10][11][12][13] A new bioorganic material with lower surface energy which yielded by an unknown reaction of peptides and metals has been reported. 14,15 It revealed that a chemical reaction of the peptide coatings with metals occurred and changed the electronic state of the metal surface. [16][17][18] Wong et al obtained a material by the reaction between polypeptide and stainless steel; moreover, the extent of the reaction could be improved via dopamine addition. 19,20 Davis e...

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“…To reduce the adhesion between bacteria and solid surface, the superhydrophobic coating with antibacterial property is introduced on the stainless-steel substrate, and results from MD simulations suggest how the surface with antimicrobial activity adsorb on the substrate and interact with water molecules [29]. The corrosion-resistant properties of hydrophobic peptide-coated stainless steel in chloride solution are characterized with the combination of MD simulations and experimental measurements, and a promising anticorrosion coating is suggested for metalcontaining medical devices [30]. The dynamical information involving conformation changes of biopolymers mediated by metal ion binding is provided in simulations for the development of efficient inhibitors to decrease drug resistance toward antibiotics [31].…”

Section: Metallic Materialsmentioning

confidence: 99%

Nanoengineering in biomedicine: Current development and future perspectives

Jian

Hui

Lau

2020

Nanotechnology Reviews

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Recent advances in biomedicine largely rely on the development in nanoengineering. As the access to unique properties in biomaterials is not readily available from traditional techniques, the nanoengineering becomes an effective approach for research and development, by which the performance as well as the functionalities of biomaterials has been greatly improved and enriched. This review focuses on the main materials used in biomedicine, including metallic materials, polymers, and nanocomposites, as well as the major applications of nanoengineering in developing biomedical treatments and techniques. Research that provides an in-depth understanding of material properties and efficient enhancement of material performance using molecular dynamics simulations from the nanoengineering perspective are discussed. The advanced techniques which facilitate nanoengineering in biomedical applications are also presented to inspire further improvement in the future. Furthermore, the potential challenges of nanoengineering in biomedicine are evaluated by summarizing concerned issues and possible solutions.

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Peptide-based biocoatings for corrosion protection of stainless steel biomaterial in a chloride solution

Cited by 17 publications

References 15 publications

Conceptual DFT Descriptors of Amino Acids with Potential Corrosion Inhibition Properties Calculated with the Latest Minnesota Density Functionals

Conceptual DFT Descriptors of Amino Acids with Potential Corrosion Inhibition Properties Calculated with the Latest Minnesota Density Functionals

Peptide‐modified stainless steel with resistance capacity of Staphylococcus aureus biofilm formation

Nanoengineering in biomedicine: Current development and future perspectives

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