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Experimental System of Solar Adsorption Refrigeration with Concentrated Collector
Published on: October 18, 2017
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Nucleobases adsorption studies on silicane layer: A first-principles investigation.
S Dharani1, V Nagarajan2, R Chandiramouli2
1School of Chemical & Biotechnology, SASTRA Deemed University, Tirumalaisamudram, Thanjavur, 613 401, India.
Journal of Molecular Graphics & Modelling
|August 3, 2018
Summary
Silicane layers (H-Si) show tunable electronic properties for deoxyribonucleic acid (DNA)/riboxy nucleic acid (RNA) sequencing. These layers can identify nucleobases, paving the way for advancements in biotechnology and medical science.
Area of Science:
- Materials Science
- Computational Chemistry
- Biotechnology
Background:
- Silicane (H-Si) is a 2D material with potential electronic applications.
- Deoxyribonucleic acid (DNA) and riboxy nucleic acid (RNA) sequencing are crucial in medical diagnostics and biotechnology.
- Developing novel materials for efficient and accurate DNA/RNA sequencing remains an active research area.
Purpose of the Study:
- To investigate the geometric stability and electronic properties of silicane layers (H-Si).
- To explore the potential of H-Si as a substrate for DNA/RNA sequencing by studying nucleobase adsorption.
- To understand the interaction mechanisms between nucleobases and H-Si surfaces.
Main Methods:
- First-principles calculations were employed to study the geometric stability and electronic properties of H-Si.
- Bader charge transfer, adsorption energy, and energy gap analyses were used to characterize nucleobase adsorption.
- Changes in band structure and density of states were examined upon nucleobase adsorption.
Main Results:
- H-Si exhibits geometric stability and tunable electronic properties.
- All DNA/RNA nucleobases were found to physisorb on H-Si via van der Waals interactions.
- The adsorption strength followed the order Guanine > Cytosine > Adenine = Thymine > Uracil, with significant changes in H-Si's electronic structure.
Conclusions:
- H-Si is a promising material for DNA/RNA sequencing due to its electronic properties and interaction with nucleobases.
- The distinct adsorption behavior of nucleobases on H-Si allows for their identification.
- This research opens avenues for H-Si based biosensors in medical science and biotechnology.
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