Optical properies of crosslinked chitosan thin film with glutaraldehyde using surface plasmon resonance technique
Problem statement: The aim of this research is to study the optical properties of crosslinked chitosan thin film with glutaraldehyde using Surface Plasmon Resonance (SPR) technique. Approach: The crosslinked chitosan is synthesized by homogeneous reaction of medium molecular weight chitosan in aqueo...
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| Format: | Article |
| Language: | English |
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Science Publications
2011
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| Online Access: | http://psasir.upm.edu.my/id/eprint/25004/ http://psasir.upm.edu.my/id/eprint/25004/1/ajeassp.2011.61.65.pdf |
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| author | Yap, Wing Fen Mat Yunus, Wan Mahmood Abd. Moksin, Mohd Maarof Talib, Zainal Abidin Yusof, Nor Azah |
| author_facet | Yap, Wing Fen Mat Yunus, Wan Mahmood Abd. Moksin, Mohd Maarof Talib, Zainal Abidin Yusof, Nor Azah |
| author_sort | Yap, Wing Fen |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | Problem statement: The aim of this research is to study the optical properties of crosslinked chitosan thin film with glutaraldehyde using Surface Plasmon Resonance (SPR) technique. Approach: The crosslinked chitosan is synthesized by homogeneous reaction of medium molecular weight chitosan in aqueous acetic acid solution with glutaraldehyde as crosslinking agent. Four different amount of chitosan, i.e., 0.40, 0.50, 0.60 and 0.70 g of chitosan, were dissoloved in 50 ml acetic acid separately. Glass cover slips (as substrates) were first coated with two sets of different thickness of gold layer. Then the amount of 0.55 mL of each crosslinked chitosan solution was spin coated onto the gold layer. Results: Using developed multilayer Matlab fitting program (matrix method based), the experimental surface plasmon resonance curves were fitted to obtain the thickness and refractive index of crosslinked chitosan thin film. The real and imaginary part of refractive index of crosslinked chitosan thin film are (1.540 ± 0.005) and (0.015 ± 0.002), respectively. Conclusion: The results are similar for all different thickness of the thin films and not affected by the thickness of gold layer. This study is important for future research on multilayer SPR sensor. |
| first_indexed | 2025-11-15T08:42:53Z |
| format | Article |
| id | upm-25004 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T08:42:53Z |
| publishDate | 2011 |
| publisher | Science Publications |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-250042017-12-05T01:43:59Z http://psasir.upm.edu.my/id/eprint/25004/ Optical properies of crosslinked chitosan thin film with glutaraldehyde using surface plasmon resonance technique Yap, Wing Fen Mat Yunus, Wan Mahmood Abd. Moksin, Mohd Maarof Talib, Zainal Abidin Yusof, Nor Azah Problem statement: The aim of this research is to study the optical properties of crosslinked chitosan thin film with glutaraldehyde using Surface Plasmon Resonance (SPR) technique. Approach: The crosslinked chitosan is synthesized by homogeneous reaction of medium molecular weight chitosan in aqueous acetic acid solution with glutaraldehyde as crosslinking agent. Four different amount of chitosan, i.e., 0.40, 0.50, 0.60 and 0.70 g of chitosan, were dissoloved in 50 ml acetic acid separately. Glass cover slips (as substrates) were first coated with two sets of different thickness of gold layer. Then the amount of 0.55 mL of each crosslinked chitosan solution was spin coated onto the gold layer. Results: Using developed multilayer Matlab fitting program (matrix method based), the experimental surface plasmon resonance curves were fitted to obtain the thickness and refractive index of crosslinked chitosan thin film. The real and imaginary part of refractive index of crosslinked chitosan thin film are (1.540 ± 0.005) and (0.015 ± 0.002), respectively. Conclusion: The results are similar for all different thickness of the thin films and not affected by the thickness of gold layer. This study is important for future research on multilayer SPR sensor. Science Publications 2011 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/25004/1/ajeassp.2011.61.65.pdf Yap, Wing Fen and Mat Yunus, Wan Mahmood and Abd. Moksin, Mohd Maarof and Talib, Zainal Abidin and Yusof, Nor Azah (2011) Optical properies of crosslinked chitosan thin film with glutaraldehyde using surface plasmon resonance technique. American Journal of Engineering and Applied Sciences, 4 (1). pp. 61-65. ISSN 1941-7020; ESSN: 1941-7039 http://www.thescipub.com/abstract/10.3844/ajeassp.2011.61.65 10.3844/ajeassp.2011.61.65 |
| spellingShingle | Yap, Wing Fen Mat Yunus, Wan Mahmood Abd. Moksin, Mohd Maarof Talib, Zainal Abidin Yusof, Nor Azah Optical properies of crosslinked chitosan thin film with glutaraldehyde using surface plasmon resonance technique |
| title | Optical properies of crosslinked chitosan thin film with glutaraldehyde using surface plasmon resonance technique |
| title_full | Optical properies of crosslinked chitosan thin film with glutaraldehyde using surface plasmon resonance technique |
| title_fullStr | Optical properies of crosslinked chitosan thin film with glutaraldehyde using surface plasmon resonance technique |
| title_full_unstemmed | Optical properies of crosslinked chitosan thin film with glutaraldehyde using surface plasmon resonance technique |
| title_short | Optical properies of crosslinked chitosan thin film with glutaraldehyde using surface plasmon resonance technique |
| title_sort | optical properies of crosslinked chitosan thin film with glutaraldehyde using surface plasmon resonance technique |
| url | http://psasir.upm.edu.my/id/eprint/25004/ http://psasir.upm.edu.my/id/eprint/25004/ http://psasir.upm.edu.my/id/eprint/25004/ http://psasir.upm.edu.my/id/eprint/25004/1/ajeassp.2011.61.65.pdf |