Successive Azide and DNA Functionalization for Reversible and Controlled Association of Single-Wall Carbon Nanotubes.

Razieh Moosavi, Tharun K Kotammagari, Pia Damlin, Mikko Salomäki, Mika Lastusaari, Han Li, Tuomas Lönnberg

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Article in Chemistry (Weinheim an der Bergstrasse, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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7 authors.

Razieh MoosaviDepartment of Chemistry, University of Turku, Turku, Finland.

Tharun K KotammagariDepartment of Chemistry, University of Turku, Turku, Finland.ORCID https://orcid.org/0000-0003-1288-0124

Pia DamlinDepartment of Chemistry, University of Turku, Turku, Finland.

Mikko SalomäkiDepartment of Chemistry, University of Turku, Turku, Finland.ORCID https://orcid.org/0000-0001-6190-2073

Mika LastusaariDepartment of Chemistry, University of Turku, Turku, Finland.ORCID https://orcid.org/0000-0003-1872-0391

Han LiTurku Collegium for Science, Medicine and Technology, University of Turku, Turku, Finland.ORCID https://orcid.org/0000-0002-0597-8409

Tuomas LönnbergDepartment of Chemistry, University of Turku, Turku, Finland.ORCID https://orcid.org/0000-0003-3607-3116

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A bifunctional linker for robust and straightforward functionalization of carbon-based nanomaterials, featuring an azido group at one end and a diazonium group at the other, is synthesized and used to introduce azido groups on the sidewalls of (6,5)-single-wall carbon nanotubes. The versatility of the azido groups as reactive handles is demonstrated by further functionalization with 6-carboxyfluorescein and oligonucleotides through copper-free strain-promoted azide-alkyne cycloaddition, ideal for biological applications. UV melting profiles and atomic force microscopy (AFM) images of mixtures of nanotubes functionalized with complementary oligonucleotide strands are consistent with hybridization-controlled bundling-debundling equilibria.

Indexed as

AzidesDNANanotubes, CarbonAlkynesCycloaddition ReactionMicroscopy, Atomic ForceOligonucleotidesAlkynesAzidesDNANanotubes, CarbonOligonucleotidesazidesbundlingcarbon nanotubesdiazonium saltsDNAhybridization

Identifiers

PMID42224060

DOI10.1002/chem.71205

PMCPMC13587638

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.