Magnetic borylated conjugated polymer nanoparticles for deep-red optical and lifetime imaging

Struan Bourke; Yurema Teijeiro Gonzalez; Patrick Bergstrom Mann; Daniel Luke Crossley; Laura Urbano; Lea Ann Dailey; Klaus Suhling; Michael L. Turner; Michael J. Ingleson; Mark Green

doi:10.1039/d6tb00192k

Magnetic borylated conjugated polymer nanoparticles for deep-red optical and lifetime imaging

Struan Bourke
, Yurema Teijeiro Gonzalez
, Patrick Bergstrom Mann
, Daniel Luke Crossley
, Laura Urbano
, Lea Ann Dailey
, Klaus Suhling
, Michael L. Turner
, Michael J. Ingleson
, Mark Green

Research output: Contribution to journal › Article › peer-review

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Abstract

The near-IR emitting conjugated polymer (borylated poly(9,9-dioctylfluorene-alt-benzothiadiazole)) was processed into colloidally stable nanoparticles doped with superparamagnetic iron oxide nanoparticles (SPIONs), giving multifunctional luminescent and magnetic nanoparticles between 100–120 nm in diameter. Emission between 710 and 720 nm was observed, and quantum yields (QYs) of up to 2.7% were achieved. The resulting particles were used to image HeLa cells using conventional and lifetime imaging techniques.

Original language	English
Number of pages	5
Journal	Journal of Materials Chemistry B
Early online date	1 Apr 2026
DOIs	https://doi.org/10.1039/d6tb00192k
Publication status	E-pub ahead of print - 1 Apr 2026

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10.1039/d6tb00192kLicence: CC BY

Final_versionFinal published version, 1.4 MBLicence: CC BY

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title = "Magnetic borylated conjugated polymer nanoparticles for deep-red optical and lifetime imaging",

abstract = "The near-IR emitting conjugated polymer (borylated poly(9,9-dioctylfluorene-alt-benzothiadiazole)) was processed into colloidally stable nanoparticles doped with superparamagnetic iron oxide nanoparticles (SPIONs), giving multifunctional luminescent and magnetic nanoparticles between 100{\textendash}120 nm in diameter. Emission between 710 and 720 nm was observed, and quantum yields (QYs) of up to 2.7\% were achieved. The resulting particles were used to image HeLa cells using conventional and lifetime imaging techniques.",

author = "Struan Bourke and Gonzalez, \{Yurema Teijeiro\} and Mann, \{Patrick Bergstrom\} and Crossley, \{Daniel Luke\} and Laura Urbano and Dailey, \{Lea Ann\} and Klaus Suhling and Turner, \{Michael L.\} and Ingleson, \{Michael J.\} and Mark Green",

note = "{\textcopyright} The Royal Society of Chemistry 2026. Open Access Article. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. (https://creativecommons.org/licenses/by/3.0/)",

year = "2026",

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doi = "10.1039/d6tb00192k",

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T1 - Magnetic borylated conjugated polymer nanoparticles for deep-red optical and lifetime imaging

AU - Bourke, Struan

AU - Gonzalez, Yurema Teijeiro

AU - Mann, Patrick Bergstrom

AU - Crossley, Daniel Luke

AU - Urbano, Laura

AU - Dailey, Lea Ann

AU - Suhling, Klaus

AU - Turner, Michael L.

AU - Ingleson, Michael J.

AU - Green, Mark

N1 - © The Royal Society of Chemistry 2026. Open Access Article. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. (https://creativecommons.org/licenses/by/3.0/)

PY - 2026/4/1

Y1 - 2026/4/1

N2 - The near-IR emitting conjugated polymer (borylated poly(9,9-dioctylfluorene-alt-benzothiadiazole)) was processed into colloidally stable nanoparticles doped with superparamagnetic iron oxide nanoparticles (SPIONs), giving multifunctional luminescent and magnetic nanoparticles between 100–120 nm in diameter. Emission between 710 and 720 nm was observed, and quantum yields (QYs) of up to 2.7% were achieved. The resulting particles were used to image HeLa cells using conventional and lifetime imaging techniques.

AB - The near-IR emitting conjugated polymer (borylated poly(9,9-dioctylfluorene-alt-benzothiadiazole)) was processed into colloidally stable nanoparticles doped with superparamagnetic iron oxide nanoparticles (SPIONs), giving multifunctional luminescent and magnetic nanoparticles between 100–120 nm in diameter. Emission between 710 and 720 nm was observed, and quantum yields (QYs) of up to 2.7% were achieved. The resulting particles were used to image HeLa cells using conventional and lifetime imaging techniques.

U2 - 10.1039/d6tb00192k

DO - 10.1039/d6tb00192k

M3 - Article

SN - 2050-750X

JO - Journal of Materials Chemistry B

JF - Journal of Materials Chemistry B

ER -

Magnetic borylated conjugated polymer nanoparticles for deep-red optical and lifetime imaging

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