Electron Transport Studies In 12-mer Single Strand Dna Oligomers By Muon Spetroscopy And Scanning Tunneling Microscopy

The aims of this study are to determine which of the four samples of 12-mer single-strand: adenine, cytosine, guanine, and thymine (ssA12, ssC12, ssG12, and ssT12) is the most and least conductive. Besides, to find out the behaviour of the electron transfer in these samples. Scanning tunneling micro...

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Main Author: Rozak, Harison
Format: Thesis
Language:English
Published: 2021
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Online Access:http://eprints.usm.my/52697/1/HARISON%20BINTI%20ROZAK%20-%20TESIS24.pdf
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spelling my-usm-ep.526972022-05-31T18:31:52Z Electron Transport Studies In 12-mer Single Strand Dna Oligomers By Muon Spetroscopy And Scanning Tunneling Microscopy 2021-10 Rozak, Harison LC5800-5808 Distance education. The aims of this study are to determine which of the four samples of 12-mer single-strand: adenine, cytosine, guanine, and thymine (ssA12, ssC12, ssG12, and ssT12) is the most and least conductive. Besides, to find out the behaviour of the electron transfer in these samples. Scanning tunneling microscope (STM) and muon spin relaxation (μSR) measurements were performed to achieve the objectives study. The STM technique was also used to determine the shape of each oligomer sample and to study the influence of environmental conditions on the conductivity measurement. From STM measurements, each base in DNA was found to be conductive, and the most conductive base is ssG12. The sequence of conductivity based on the tip-height profile (Hp) measurement is ssG12 > ssC12 > ssA12 > ssT12. The shapes of oligomers were observed to be different from each other because ssDNA12 samples (ssA12, ssC12, ssG12, and ssT12) are flexible structures as they are formed without any complement bases and strand. These oligomers were also seen aligned in parallel from each other and formed a one-dimensional (1D) chain structure. The μSR technique successfully detected the existence of electron transfer in ssDNA12. The behaviour of the electron transfer along the ssDNA12 was suggested in quasi-1D at room temperature. From conductivity measurement in different environment conditions on ssG12, it was found that conductivity did not depend on the environmental conditions. Overall, it can be suggested that ssDNA12 itself is conductive and they can be a medium for the electron to transfer 2021-10 Thesis http://eprints.usm.my/52697/ http://eprints.usm.my/52697/1/HARISON%20BINTI%20ROZAK%20-%20TESIS24.pdf application/pdf en public phd doctoral Universiti Sains Malaysia Pusat Pengajian Pendidikan Jarak Jauh
institution Universiti Sains Malaysia
collection USM Institutional Repository
language English
topic LC5800-5808 Distance education.
spellingShingle LC5800-5808 Distance education.
Rozak, Harison
Electron Transport Studies In 12-mer Single Strand Dna Oligomers By Muon Spetroscopy And Scanning Tunneling Microscopy
description The aims of this study are to determine which of the four samples of 12-mer single-strand: adenine, cytosine, guanine, and thymine (ssA12, ssC12, ssG12, and ssT12) is the most and least conductive. Besides, to find out the behaviour of the electron transfer in these samples. Scanning tunneling microscope (STM) and muon spin relaxation (μSR) measurements were performed to achieve the objectives study. The STM technique was also used to determine the shape of each oligomer sample and to study the influence of environmental conditions on the conductivity measurement. From STM measurements, each base in DNA was found to be conductive, and the most conductive base is ssG12. The sequence of conductivity based on the tip-height profile (Hp) measurement is ssG12 > ssC12 > ssA12 > ssT12. The shapes of oligomers were observed to be different from each other because ssDNA12 samples (ssA12, ssC12, ssG12, and ssT12) are flexible structures as they are formed without any complement bases and strand. These oligomers were also seen aligned in parallel from each other and formed a one-dimensional (1D) chain structure. The μSR technique successfully detected the existence of electron transfer in ssDNA12. The behaviour of the electron transfer along the ssDNA12 was suggested in quasi-1D at room temperature. From conductivity measurement in different environment conditions on ssG12, it was found that conductivity did not depend on the environmental conditions. Overall, it can be suggested that ssDNA12 itself is conductive and they can be a medium for the electron to transfer
format Thesis
qualification_name Doctor of Philosophy (PhD.)
qualification_level Doctorate
author Rozak, Harison
author_facet Rozak, Harison
author_sort Rozak, Harison
title Electron Transport Studies In 12-mer Single Strand Dna Oligomers By Muon Spetroscopy And Scanning Tunneling Microscopy
title_short Electron Transport Studies In 12-mer Single Strand Dna Oligomers By Muon Spetroscopy And Scanning Tunneling Microscopy
title_full Electron Transport Studies In 12-mer Single Strand Dna Oligomers By Muon Spetroscopy And Scanning Tunneling Microscopy
title_fullStr Electron Transport Studies In 12-mer Single Strand Dna Oligomers By Muon Spetroscopy And Scanning Tunneling Microscopy
title_full_unstemmed Electron Transport Studies In 12-mer Single Strand Dna Oligomers By Muon Spetroscopy And Scanning Tunneling Microscopy
title_sort electron transport studies in 12-mer single strand dna oligomers by muon spetroscopy and scanning tunneling microscopy
granting_institution Universiti Sains Malaysia
granting_department Pusat Pengajian Pendidikan Jarak Jauh
publishDate 2021
url http://eprints.usm.my/52697/1/HARISON%20BINTI%20ROZAK%20-%20TESIS24.pdf
_version_ 1747822205956259840