Carbon materials-based sensors: State-of-the-art and future prospects
In this work, the focuses were made on carbon related materials such as diamond and graphene as solution-gate fieldeffect transistor (SGFET) towards pH sensing of carboxyl and amine functional groups and its compatibility with estrogen (17β-estradiol) aptamer. The functionalization of diamond graphe...
| Main Authors: | , , , |
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| Format: | Conference or Workshop Item |
| Language: | English |
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2020
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| Subjects: | |
| Online Access: | http://eprints.usm.my/49108/ http://eprints.usm.my/49108/1/MSNSB02.pdf%20cut.pdf |
| _version_ | 1848881346516090880 |
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| author | Syamsul, M. Shailib, M. Suaebah, E. Kawarada, H. |
| author_facet | Syamsul, M. Shailib, M. Suaebah, E. Kawarada, H. |
| author_sort | Syamsul, M. |
| building | USM Institutional Repository |
| collection | Online Access |
| description | In this work, the focuses were made on carbon related materials such as diamond and graphene as solution-gate fieldeffect transistor (SGFET) towards pH sensing of carboxyl and amine functional groups and its compatibility with estrogen (17β-estradiol) aptamer. The functionalization of diamond graphene with carboxyl were achieved through anodization by applying a sequential potential scan in Carmody buffer solution (pH 7). The carboxyl-terminated surfaces were exposed to nitrogen radicals to generate an amine-terminated surface [1]. Raman spectroscopy was used to determine the defect density of the carbon related materials caused by the anodization. The sequential anodization in Carmody buffer solution at pH 7 had low defective effect on carbon structure and shows that the original structure
of carbon was conserved [2]. The pH sensitivity will be presented in detail and will be finalized with the compatibility with estrogen (17β-estradiol) aptamer, which the supporting DNA strands were immobilized and an aptamer was hybridized to prepare a detection pair to bind with any 17β-estradiol molecule, as the aptamer captures the 17βestradiol molecule naturally [3]. These detections will be demonstrated through optical (fluorescence microscopy) and electrical measurements (current-voltage) and summarized with carbon materials-based sensors towards the actual application of designing diamond/graphene-based biosensors |
| first_indexed | 2025-11-15T18:17:34Z |
| format | Conference or Workshop Item |
| id | usm-49108 |
| institution | Universiti Sains Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T18:17:34Z |
| publishDate | 2020 |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | usm-491082021-05-05T06:04:36Z http://eprints.usm.my/49108/ Carbon materials-based sensors: State-of-the-art and future prospects Syamsul, M. Shailib, M. Suaebah, E. Kawarada, H. QC1-999 Physics In this work, the focuses were made on carbon related materials such as diamond and graphene as solution-gate fieldeffect transistor (SGFET) towards pH sensing of carboxyl and amine functional groups and its compatibility with estrogen (17β-estradiol) aptamer. The functionalization of diamond graphene with carboxyl were achieved through anodization by applying a sequential potential scan in Carmody buffer solution (pH 7). The carboxyl-terminated surfaces were exposed to nitrogen radicals to generate an amine-terminated surface [1]. Raman spectroscopy was used to determine the defect density of the carbon related materials caused by the anodization. The sequential anodization in Carmody buffer solution at pH 7 had low defective effect on carbon structure and shows that the original structure of carbon was conserved [2]. The pH sensitivity will be presented in detail and will be finalized with the compatibility with estrogen (17β-estradiol) aptamer, which the supporting DNA strands were immobilized and an aptamer was hybridized to prepare a detection pair to bind with any 17β-estradiol molecule, as the aptamer captures the 17βestradiol molecule naturally [3]. These detections will be demonstrated through optical (fluorescence microscopy) and electrical measurements (current-voltage) and summarized with carbon materials-based sensors towards the actual application of designing diamond/graphene-based biosensors 2020-07-01 Conference or Workshop Item PeerReviewed application/pdf en http://eprints.usm.my/49108/1/MSNSB02.pdf%20cut.pdf Syamsul, M. and Shailib, M. and Suaebah, E. and Kawarada, H. (2020) Carbon materials-based sensors: State-of-the-art and future prospects. In: The 9th International Conference on Sensors (AsiaSense 2020), 30 June - 1 July 2020, Bangi Resort Hotel, Bangi, Selangor, Malaysia. |
| spellingShingle | QC1-999 Physics Syamsul, M. Shailib, M. Suaebah, E. Kawarada, H. Carbon materials-based sensors: State-of-the-art and future prospects |
| title | Carbon materials-based sensors: State-of-the-art and future
prospects |
| title_full | Carbon materials-based sensors: State-of-the-art and future
prospects |
| title_fullStr | Carbon materials-based sensors: State-of-the-art and future
prospects |
| title_full_unstemmed | Carbon materials-based sensors: State-of-the-art and future
prospects |
| title_short | Carbon materials-based sensors: State-of-the-art and future
prospects |
| title_sort | carbon materials-based sensors: state-of-the-art and future
prospects |
| topic | QC1-999 Physics |
| url | http://eprints.usm.my/49108/ http://eprints.usm.my/49108/1/MSNSB02.pdf%20cut.pdf |