Benjamin O. Tayo

Polarization-driven DNA nucleobases recognition on germanium sulfide nanoribbon

Anthony Chidiebele Iloanya, Rameshwar L. Kumawat, Benjamin O. Tayo, Chinedu E. Ekuma

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Defect-Engineered Graphene Nanoribbons for Enhanced DNA Sequencing: A Study of Structural Defects and Their Impact on Nucleobase Interaction and Quantum Transport

Rameshwar L. Kumawat, Sanjiv Kumar Jha, Benjamin O. Tayo, C. David Sherrill

High Resolution Image Download MS PowerPoint Slide Graphene, a low-dimensional material, has shown significant promise in bioelectronics over the past two decades. Most research in this field has focused on pristine graphene. However, experimentally fabricated two-dimensional (2D) graphene and one-dimensional (1D) graphene …

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p-Type Sensing of DNA Nucleobases Adsorbed on Graphene Nanoribbon

Anthony Chidiebele Iloanya, Srihari M. Kastuar, Benjamin O. Tayo, Chinedu E. Ekuma

High Resolution Image Download MS PowerPoint Slide DNA nucleobases are important in DNA sequencing, disease testing linked to genes, and disease treatment. Here, we report density functional calculations investigating the adsorption of guanine (G), adenine (A), thymine (T), and cytosine (C) on …

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Computational Insight into Graphene Functionalization for DNA Sequencing: A DFT Approach

Adnan Aliyu, Benjamin O. Tayo, Toyese Oyegoke, Vitalis Chioh Anye

Most diseases, such as cancer, gene mutations, or infections among humans, are due to DNA nucleotide mis-sequence [...]

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Adsorption of DNA nucleobases on single-layer Ti3C2 MXene and graphene: vdW-corrected DFT and NEGF studies

Benjamin O. Tayo, Michael A. Walkup

We investigated the interaction of DNA nucleobases [adenine (A), guanine (G), thymine (T), and cytosine (C)] with single-layer Ti3C2 MXene using Van der Waals (vdW)-corrected density functional theory and non-equilibrium Green’s function methods. All calculations were benchmarked against graphene. We showed that …

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Copolymers of vinylferrocene and vinylimidazole for potential sensing applications

Abdulrahman Alhathir, Eric S. Mullins, Charles A. Ault, Tyler Fleske et autres

Abstract Since imidazole is easily protonated and well known to coordinated to various transition metals, its incorporation into a polymer with ferrocene may result in interesting electronic interactions between the ferrocenyl and imidazolium moieties. To this end, copolymers of vinylferrocene and vinylimidazole …

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DNA Base Detection Using Two-Dimensional Materials Beyond Graphene

Benjamin O. Tayo

The success of graphene for nanopore DNA sequencing has shown that it is possible to explore other potential single- and few-atom thick layers of 2D materials beyond graphene, and also that these materials can exhibit fascinating and technologically useful properties for DNA …

Evaluation of the Feasibility of Phosphorene for Electronic DNA Sequencing Using Density Functional Theory Calculations

Matthew B. Henry, Mukesh Tumbapo, Kolby Wilson, Benjamin O. Tayo

Electronic DNA sequencing using two-dimensional (2D) materials such as graphene has recently emerged as the next-generation of DNA sequencing technology. Owing to its commercial availability and remarkable physical and conductive properties, graphene has been widely investigated for DNA sequencing by several theoretical …

Physisorption of DNA bases on finite-size nanoribbons from graphene, phosphorene, and silicene: Insights from density functional theory

Mukesh Tumbapo, Matthew B. Henry, Sanjiv Kumar Jha, Benjamin O. Tayo

The ability to detect and discriminate DNA bases by reading it directly using simple and cost-effective methods is an important problem whose solution can produce significant value for areas such as cancer and human genetic disorders. Two-dimensional (2D) materials have emerged as …

Physisorption of DNA bases on finite-size nanoribbons from graphene,\n phosphorene, and silicene: Insights from density functional theory

Mukesh Tumbapo, Matthew B. Henry, Sanjiv K. Jha, Benjamin O. Tayo

The ability to detect and discriminate DNA bases by reading it directly using\nsimple and cost-effective methods is an important problem whose solution can\nproduce significant value for areas such as cancer and human genetic disorders.\nTwo-dimensional (2D) materials have emerged as revolutionary materials for\nelectronic …

Identification of DNA bases using nanopores created in finite-size nanoribbons from graphene, phosphorene, and silicene

Matthew B. Henry, Mukesh Tumbapo, Benjamin O. Tayo

Graphene’s success for nanopore deoxyribonucleic acid (DNA) sequencing has shown that it is possible to explore other potential single-atom and few-atom thick layers of elemental 2D materials beyond graphene (e.g., phosphorene and silicene) and also that these materials can exhibit fascinating and …

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Detection of DNA nucleotides with Nanopores and Nanogaps from 2D Materials beyond Graphene: First Principle Studies

Benjamin O. Tayo