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Quantitative analysis of molecular interactions in κ-carrageenan-Isovanillin biocomposite for biodegradable packaging and pharmaceutical applications using NMR, TOF-SIMS, and XPS approach

This study explores the molecular interactions and structural changes in κ-carrageenan crosslinked with isovanillin to create a biocomposite material suitable for hard capsule and bio-degradable packaging applications. Proton Nuclear Magnetic Resonance (1H NMR) spectroscopy revealed chemical changes...

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Main Authors:	Mohd Aiman, Hamdan, Khairatun Najwa, Mohd Amin, Fatmawati, Adam
Format:	Article
Language:	English English
Published:	Elsevier Ltd 2024
Subjects:	QD Chemistry T Technology (General) TA Engineering (General). Civil engineering (General) TP Chemical technology
Online Access:	http://umpir.ump.edu.my/id/eprint/41359/1/Quantitative%20analysis%20of%20molecular%20interactions%20in%20%CE%BA-carrageenan.pdf http://umpir.ump.edu.my/id/eprint/41359/2/Quantitative%20analysis%20of%20molecular%20interactions%20in%20%CE%BA-carrageenan-Isovanillin%20biocomposite_ABS.pdf http://umpir.ump.edu.my/id/eprint/41359/ https://doi.org/10.1016/j.foodchem.2024.139556 https://doi.org/10.1016/j.foodchem.2024.139556
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spelling	my.ump.umpir.413592024-07-01T01:12:01Z http://umpir.ump.edu.my/id/eprint/41359/ Quantitative analysis of molecular interactions in κ-carrageenan-Isovanillin biocomposite for biodegradable packaging and pharmaceutical applications using NMR, TOF-SIMS, and XPS approach Mohd Aiman, Hamdan Khairatun Najwa, Mohd Amin Fatmawati, Adam QD Chemistry T Technology (General) TA Engineering (General). Civil engineering (General) TP Chemical technology This study explores the molecular interactions and structural changes in κ-carrageenan crosslinked with isovanillin to create a biocomposite material suitable for hard capsule and bio-degradable packaging applications. Proton Nuclear Magnetic Resonance (1H NMR) spectroscopy revealed chemical changes in the conjugate molecule, indicating improved electronegativity due to intermolecular hydrogen bonding between κ-carrageenan and isovanillin. Time-of-flight Secondary Ion Mass Spectrometry (ToF-SIMS) analysis revealed enhanced ion intensity due to intermolecular interactions, particularly between sulphate and hydrogen ions. X-ray Photoelectron Spectroscopy (XPS) study demonstrated that κ-carrageenan and isovanillin form stronger hydrogen bonds, with a shift in binding energy indicating higher electronegativity. These findings shed light on the molecular mechanisms that underpin the formation of the biocomposite material, as well as its potential for use in hard capsule and biodegradable packaging materials, addressing the need for sustainable alternatives in the pharmaceutical and packaging industries while also contributing to environmental conservation. Elsevier Ltd 2024-09-15 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/41359/1/Quantitative%20analysis%20of%20molecular%20interactions%20in%20%CE%BA-carrageenan.pdf pdf en http://umpir.ump.edu.my/id/eprint/41359/2/Quantitative%20analysis%20of%20molecular%20interactions%20in%20%CE%BA-carrageenan-Isovanillin%20biocomposite_ABS.pdf Mohd Aiman, Hamdan and Khairatun Najwa, Mohd Amin and Fatmawati, Adam (2024) Quantitative analysis of molecular interactions in κ-carrageenan-Isovanillin biocomposite for biodegradable packaging and pharmaceutical applications using NMR, TOF-SIMS, and XPS approach. Food Chemistry, 452 (139556). pp. 1-9. ISSN 0308-8146. (Published) https://doi.org/10.1016/j.foodchem.2024.139556 https://doi.org/10.1016/j.foodchem.2024.139556
institution	Universiti Malaysia Pahang Al-Sultan Abdullah
building	UMPSA Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaysia Pahang Al-Sultan Abdullah
content_source	UMPSA Institutional Repository
url_provider	http://umpir.ump.edu.my/
language	English English
topic	QD Chemistry T Technology (General) TA Engineering (General). Civil engineering (General) TP Chemical technology
spellingShingle	QD Chemistry T Technology (General) TA Engineering (General). Civil engineering (General) TP Chemical technology Mohd Aiman, Hamdan Khairatun Najwa, Mohd Amin Fatmawati, Adam Quantitative analysis of molecular interactions in κ-carrageenan-Isovanillin biocomposite for biodegradable packaging and pharmaceutical applications using NMR, TOF-SIMS, and XPS approach
description	This study explores the molecular interactions and structural changes in κ-carrageenan crosslinked with isovanillin to create a biocomposite material suitable for hard capsule and bio-degradable packaging applications. Proton Nuclear Magnetic Resonance (1H NMR) spectroscopy revealed chemical changes in the conjugate molecule, indicating improved electronegativity due to intermolecular hydrogen bonding between κ-carrageenan and isovanillin. Time-of-flight Secondary Ion Mass Spectrometry (ToF-SIMS) analysis revealed enhanced ion intensity due to intermolecular interactions, particularly between sulphate and hydrogen ions. X-ray Photoelectron Spectroscopy (XPS) study demonstrated that κ-carrageenan and isovanillin form stronger hydrogen bonds, with a shift in binding energy indicating higher electronegativity. These findings shed light on the molecular mechanisms that underpin the formation of the biocomposite material, as well as its potential for use in hard capsule and biodegradable packaging materials, addressing the need for sustainable alternatives in the pharmaceutical and packaging industries while also contributing to environmental conservation.
format	Article
author	Mohd Aiman, Hamdan Khairatun Najwa, Mohd Amin Fatmawati, Adam
author_facet	Mohd Aiman, Hamdan Khairatun Najwa, Mohd Amin Fatmawati, Adam
author_sort	Mohd Aiman, Hamdan
title	Quantitative analysis of molecular interactions in κ-carrageenan-Isovanillin biocomposite for biodegradable packaging and pharmaceutical applications using NMR, TOF-SIMS, and XPS approach
title_short	Quantitative analysis of molecular interactions in κ-carrageenan-Isovanillin biocomposite for biodegradable packaging and pharmaceutical applications using NMR, TOF-SIMS, and XPS approach
title_full	Quantitative analysis of molecular interactions in κ-carrageenan-Isovanillin biocomposite for biodegradable packaging and pharmaceutical applications using NMR, TOF-SIMS, and XPS approach
title_fullStr	Quantitative analysis of molecular interactions in κ-carrageenan-Isovanillin biocomposite for biodegradable packaging and pharmaceutical applications using NMR, TOF-SIMS, and XPS approach
title_full_unstemmed	Quantitative analysis of molecular interactions in κ-carrageenan-Isovanillin biocomposite for biodegradable packaging and pharmaceutical applications using NMR, TOF-SIMS, and XPS approach
title_sort	quantitative analysis of molecular interactions in κ-carrageenan-isovanillin biocomposite for biodegradable packaging and pharmaceutical applications using nmr, tof-sims, and xps approach
publisher	Elsevier Ltd
publishDate	2024
url	http://umpir.ump.edu.my/id/eprint/41359/1/Quantitative%20analysis%20of%20molecular%20interactions%20in%20%CE%BA-carrageenan.pdf http://umpir.ump.edu.my/id/eprint/41359/2/Quantitative%20analysis%20of%20molecular%20interactions%20in%20%CE%BA-carrageenan-Isovanillin%20biocomposite_ABS.pdf http://umpir.ump.edu.my/id/eprint/41359/ https://doi.org/10.1016/j.foodchem.2024.139556 https://doi.org/10.1016/j.foodchem.2024.139556
_version_	1822924426339942400
score	13.23648

Quantitative analysis of molecular interactions in κ-carrageenan-Isovanillin biocomposite for biodegradable packaging and pharmaceutical applications using NMR, TOF-SIMS, and XPS approach

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