2020
DOI: 10.1021/acs.langmuir.0c01498
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Carbohydrate- and Chain Length-Controlled Complexation of Carbon Nanotubes by Glycopolymers

Abstract: Stable dispersions of single-wall carbon nanotubes (SWCNTs) by biopolymers in an aqueous environment facilitate their potential biological and biomedical applications. In this report, we investigated a small library of precision synthesized glycopolymers with monosaccharide and disaccharide groups for stabilizing SWCNTs via noncovalent complexation in aqueous conditions. Among the glycopolymers tested, disaccharide lactose-containing glycopolymers demonstrate effective stabilization of SWCNTs in water, which s… Show more

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Cited by 4 publications
(11 citation statements)
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“…Particularly, SWCNTs as a model system of quasi-one-dimensional nanostructures have been utilized for selective interactions with chiral amino acids, carbohydrates, and specific proteins and nucleic acids both in vitro and in vivo due to their exceptional optical and physiochemical properties and highly tunable surface chemistry ( Reuel et al, 2011 ; Harvey et al, 2019 ; Santos et al, 2021 ; Yaari et al, 2021 ; De los). Helical wrapping of SWCNTs by natural polysaccharides and synthetic glycopolymers is an effective approach to preserve nanotube properties while stabilizing tubes in an aqueous environment ( Star et al, 2002 ; Hasegawa et al, 2004 ; Dohi et al, 2006 ; Cantwell et al, 2020 ). In addition to van der Waals attractions and hydrophobic interactions between the hydrophobic faces of the pyranose rings and the hydrophobic surface of nanotubes, intra- and inter-molecular hydrogen bonds of carbohydrates with neighboring sugar units and water molecules further stabilize the helical conformation of polymers on the surface of nanotubes ( Çarçabal et al, 2005 ; Bristol et al, 2020 ; Liu et al, 2012 ).…”
Section: Resultsmentioning
confidence: 99%
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“…Particularly, SWCNTs as a model system of quasi-one-dimensional nanostructures have been utilized for selective interactions with chiral amino acids, carbohydrates, and specific proteins and nucleic acids both in vitro and in vivo due to their exceptional optical and physiochemical properties and highly tunable surface chemistry ( Reuel et al, 2011 ; Harvey et al, 2019 ; Santos et al, 2021 ; Yaari et al, 2021 ; De los). Helical wrapping of SWCNTs by natural polysaccharides and synthetic glycopolymers is an effective approach to preserve nanotube properties while stabilizing tubes in an aqueous environment ( Star et al, 2002 ; Hasegawa et al, 2004 ; Dohi et al, 2006 ; Cantwell et al, 2020 ). In addition to van der Waals attractions and hydrophobic interactions between the hydrophobic faces of the pyranose rings and the hydrophobic surface of nanotubes, intra- and inter-molecular hydrogen bonds of carbohydrates with neighboring sugar units and water molecules further stabilize the helical conformation of polymers on the surface of nanotubes ( Çarçabal et al, 2005 ; Bristol et al, 2020 ; Liu et al, 2012 ).…”
Section: Resultsmentioning
confidence: 99%
“…We have previously reported the creation of stable and water-soluble glycopolymer-wrapped single-wall carbon nanotubes (Glyco-SWCNTs) through the noncovalent complexation of nanotubes with polymers, where the interaction of glycopolymers with SWCNTs is strongly dependent on the carbohydrate identity, ligand density, and the polymer chain length ( Cantwell et al, 2020 ). Synthetic glycopolymers with highly tunable carbohydrate structures are chemically stable and can be used as glycoconjugate mimetics for many biological applications ( Sun 2018 ; Chan et al, 2020 ).…”
Section: Introductionmentioning
confidence: 99%
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“…The serious aggregation of carbon nanotube makes it difficult to manipulate and combine with polymers 18 and the strong hydrophobicity affects membrane selectivity. Therefore, the hydrophilicity of multi‐walled carbon nanotubes should be improved 19,20 . The dispersibility of the functionalized carbon nanotubes obtained by carboxylation surface modification and ultrasonic interruption is significantly improved.…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, the hydrophilicity of multi-walled carbon nanotubes should be improved. 19,20 The dispersibility of the functionalized carbon nanotubes obtained by carboxylation surface modification and ultrasonic interruption is significantly improved. Functional modification of carbon nanotubes can solve the problem of serious aggregation and strong hydrophobicity.…”
Section: Introductionmentioning
confidence: 99%