Nano-doped monolithic materials for molecular separation

Monoliths are continuous adsorbents that can easily be synthesised to possess tuneable meso-/macropores, convective fluid transport, and a plethora of chemistries for ligand immobilisation. They are grouped into three main classes: organic, inorganic, and hybrid, based on their chemical composition....

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Main Authors: Caleb Acquah, Eugene Marfo Obeng, Dominic Agyei, Clarence M. Ongkudon, Charles K. S. Moy, Michael K. Danquah
Format: Article
Language:English
Published: MDPI 2017
Subjects:
Online Access:https://eprints.ums.edu.my/id/eprint/42488/1/FULL%20TEXT.pdf
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author Caleb Acquah
Eugene Marfo Obeng
Dominic Agyei
Clarence M. Ongkudon
Charles K. S. Moy
Michael K. Danquah
author_facet Caleb Acquah
Eugene Marfo Obeng
Dominic Agyei
Clarence M. Ongkudon
Charles K. S. Moy
Michael K. Danquah
author_sort Caleb Acquah
collection UMS
description Monoliths are continuous adsorbents that can easily be synthesised to possess tuneable meso-/macropores, convective fluid transport, and a plethora of chemistries for ligand immobilisation. They are grouped into three main classes: organic, inorganic, and hybrid, based on their chemical composition. These classes may also be differentiated by their unique morphological and physicochemical properties which are significantly relevant to their specific separation applications. The potential applications of monoliths for molecular separation have created the need to enhance their characteristic properties including mechanical strength, electrical conductivity, and chemical and thermal stability. An effective approach towards monolith enhancement has been the doping and/or hybridization with miniaturized molecular species of desirable functionalities and characteristics. Nanoparticles are usually preferred as dopants due to their high solid phase dispersion features which are associated with improved intermolecular adsorptive interactions. Examples of such nanomaterials include, but are not limited to, carbon-based, silica-based, gold-based, and alumina nanoparticles. The incorporation of these nanoparticles into monoliths via in situ polymerisation and/or post-modification enhances surface adsorption for activation and ligand immobilisation. Herein, insights into the performance enhancement of monoliths as chromatographic supports by nanoparticles doping are presented. In addition, the potential and characteristics of less common nanoparticle materials such as hydroxyapatite, ceria, hafnia, and germania are discussed. The advantages and challenges of nanoparticle doping of monoliths are also discussed.
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spelling ums.eprints-424882024-12-31T03:17:39Z https://eprints.ums.edu.my/id/eprint/42488/ Nano-doped monolithic materials for molecular separation Caleb Acquah Eugene Marfo Obeng Dominic Agyei Clarence M. Ongkudon Charles K. S. Moy Michael K. Danquah Q1-390 Science (General) TP155-156 Chemical engineering Monoliths are continuous adsorbents that can easily be synthesised to possess tuneable meso-/macropores, convective fluid transport, and a plethora of chemistries for ligand immobilisation. They are grouped into three main classes: organic, inorganic, and hybrid, based on their chemical composition. These classes may also be differentiated by their unique morphological and physicochemical properties which are significantly relevant to their specific separation applications. The potential applications of monoliths for molecular separation have created the need to enhance their characteristic properties including mechanical strength, electrical conductivity, and chemical and thermal stability. An effective approach towards monolith enhancement has been the doping and/or hybridization with miniaturized molecular species of desirable functionalities and characteristics. Nanoparticles are usually preferred as dopants due to their high solid phase dispersion features which are associated with improved intermolecular adsorptive interactions. Examples of such nanomaterials include, but are not limited to, carbon-based, silica-based, gold-based, and alumina nanoparticles. The incorporation of these nanoparticles into monoliths via in situ polymerisation and/or post-modification enhances surface adsorption for activation and ligand immobilisation. Herein, insights into the performance enhancement of monoliths as chromatographic supports by nanoparticles doping are presented. In addition, the potential and characteristics of less common nanoparticle materials such as hydroxyapatite, ceria, hafnia, and germania are discussed. The advantages and challenges of nanoparticle doping of monoliths are also discussed. MDPI 2017 Article NonPeerReviewed text en https://eprints.ums.edu.my/id/eprint/42488/1/FULL%20TEXT.pdf Caleb Acquah and Eugene Marfo Obeng and Dominic Agyei and Clarence M. Ongkudon and Charles K. S. Moy and Michael K. Danquah (2017) Nano-doped monolithic materials for molecular separation. Separations, 4. pp. 1-22. https://doi.org/10.3390/separations4010002
spellingShingle Q1-390 Science (General)
TP155-156 Chemical engineering
Caleb Acquah
Eugene Marfo Obeng
Dominic Agyei
Clarence M. Ongkudon
Charles K. S. Moy
Michael K. Danquah
Nano-doped monolithic materials for molecular separation
title Nano-doped monolithic materials for molecular separation
title_full Nano-doped monolithic materials for molecular separation
title_fullStr Nano-doped monolithic materials for molecular separation
title_full_unstemmed Nano-doped monolithic materials for molecular separation
title_short Nano-doped monolithic materials for molecular separation
title_sort nano doped monolithic materials for molecular separation
topic Q1-390 Science (General)
TP155-156 Chemical engineering
url https://eprints.ums.edu.my/id/eprint/42488/1/FULL%20TEXT.pdf
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AT charlesksmoy nanodopedmonolithicmaterialsformolecularseparation
AT michaelkdanquah nanodopedmonolithicmaterialsformolecularseparation