ArticleNanoscale2022
Variations in bile salt surfactant structure allow tuning of the sorting of single-wall carbon nanotubes by aqueous two-phase extraction.
Article in Nanoscale, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 15 citations in OpenAlex.
- Rational Design of Optical Single-Walled Carbon Nanotube-Based Nanosensors with Biological Recognition Elements.Advanced sensor research · 2026Article
- Advancing Single-Walled Carbon Nanotubes toward Next-Generation Electronic Materials: The Critical Roles of Purity and Processability.Small methods · 2026Review
- Quantitative 2D fitting of fluorescence-excitation maps: excitation lineshape of single-wall carbon nanotubes.Nanoscale horizons · 2025Article
- Precise Partitioning of Metallic Single-Wall Carbon Nanotubes and Enantiomers through Aqueous Two-Phase Extraction.ACS nano · 2025Article
- Single-wall carbon nanotube separationsChemical communications (Cambridge, England) · 2025Review
- Universalized and robust length separation of carbon and boron nitride nanotubes with improved polymer depletion-based fractionation.RSC advances · 2024Article
- Sorting of Carbon Nanotubes Based on Dispersant Binding Affinities.Small science · 2024Article
- Article
- Orthogonal Determination of Competing Surfactant Adsorption onto Single-Wall Carbon Nanotubes During Aqueous Two-Polymer Phase ExtractionThe journal of physical chemistry. C, Nanomaterials and interfaces · 2024Article
- Variations in bile salt surfactant structure allow tuning of the sorting of single-wall carbon nanotubes by aqueous two-phase extraction.Nanoscale · 2022Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Being some of the most efficient agents to individually solubilize single-wall carbon nanotubes (SWCNTs), bile salt surfactants (BSS) represent the foundation for the surfactant-based structure sorting and spectroscopic characterization of SWCNTs. In this work, we investigate three BSS in their ability to separate different SWCNT chiral structures by aqueous two-phase extraction (ATPE): sodium deoxycholate (DOC), sodium cholate (SC) and sodium chenodeoxycholate (CDOC). The small difference in their chemical structure (just one hydroxyl group) leads to significant differences in their stacking behavior on SWCNT walls with different diameter and chiral structure that, in turn, has direct consequences for the chiral sorting of SWCNTs using these BSS. By performing several series of systematic ATPE experiments, we reveal that, in general, the stacking of DOC and CDOC is more enantioselective than the stacking of SC on the SWCNT walls, while SC has a clear diameter preference for efficiently solubilizing the SWCNTs in comparison to DOC and CDOC. Moreover, combining sodium dodecylsulfate with SC allows for resolving the ATPE sorting transitions of empty and water-filled SWCNTs for a number of SWCNT chiralities. We also show that addition of SC to combinations of DOC and sodium dodecylbenzenesulfonate can enhance separations of particular chiralities.
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