ArticleACS nano2011
Near-infrared fluorescent dye-doped semiconducting polymer dots.
Article in ACS nano, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.
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Who cites it
44 citing papers in PubMed.
- Semiconducting Polymer Nanoparticles as Multimodal Agents for Optical and Magnetic Resonance Imaging.Advanced healthcare materials · 2025Review
- Semiconducting polymer dots for multifunctional integrated nanomedicine carriers.Materials today. Bio · 2024Review
- An ultrasensitive NIR-IIa' fluorescence-based multiplex immunochromatographic strip test platform for antibiotic residues detection in milk samples.Journal of advanced research · 2023Article
- Near Infrared Emitting Semiconductor Polymer Dots for Bioimaging and Sensing.Sensors (Basel, Switzerland) · 2022Article
- The Pursuit of Shortwave Infrared-Emitting Nanoparticles with Bright Fluorescence through Molecular Design and Excited-State Engineering of Molecular Aggregates.ACS nanoscience Au · 2022Review
- Polymer Dots as Photoactive Membrane Vesicles for [FeFe]-Hydrogenase Self-Assembly and Solar-Driven Hydrogen Evolution.Journal of the American Chemical Society · 2022Article
- Hydroporphyrin-Doped Near-Infrared-Emitting Polymer Dots for Cellular Fluorescence Imaging.ACS applied materials & interfaces · 2022Article
- Conjugated polymer nanoparticles and their nanohybrids as smart photoluminescent and photoresponsive material for biosensing, imaging, and theranostics.Mikrochimica acta · 2022Review
- Prospects for More Efficient Multi-Photon Absorption Photosensitizers Exhibiting Both Reactive Oxygen Species Generation and Luminescence.Molecules (Basel, Switzerland) · 2021Review
- A Modular Fluorescent Probe for Viscosity and Polarity Sensing in DNA Hybrid Mesostructures.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2021Article
- Ultrabright Fluorescent Silica Nanoparticles for Multiplexed Detection.Nanomaterials (Basel, Switzerland) · 2020Article
- Spectroscopic and Biophysical Interaction Studies of Water-soluble Dye modified poly(o-phenylenediamine) for its Potential Application in BSA Detection and Bioimaging.Scientific reports · 2019Article
- High resolution tracking of macrophage cells in deep organs and lymphatics using fluorescent polymer dots.RSC advances · 2019Article
- Ultrabright fluorescent cellulose acetate nanoparticles for imaging tumors through systemic and topical applications.Materials today (Kidlington, England) · 2019Article
- π-Conjugated nanostructured materials: preparation, properties and photonic applications.Nanoscale advances · 2019Review
- Thermochemiluminescent semiconducting polymer dots as sensitive nanoprobes for reagentless immunoassay.Nanoscale · 2018Article
- A bright organic NIR-II nanofluorophore for three-dimensional imaging into biological tissues.Nature communications · 2018Article
- Towards optimized naphthalocyanines as sonochromes for photoacoustic imagingPhotoacoustics · 2018Article
- Bioimaging with Macromolecular Probes Incorporating Multiple BODIPY Fluorophores.Bioconjugate chemistry · 2017Article
- Semiconducting polymer dots with bright narrow-band emission at 800 nm for biological applications.Chemical science · 2017Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
Near-infrared (NIR) fluorescence sensing is desirable for in vivo biological measurements, but the method is currently limited by the availability of NIR fluorescent markers as well as by their poor performance, such as self-aggregation and dim fluorescence, in a physiological environment. To address this issue, this paper describes a NIR fluorescent polymer dot (Pdot) that emits at 777 nm. This Pdot was comparable in size to a water-soluble NIR quantum dot that emits at 800 nm (ITK Qdot800) but was about four times brighter and with a narrower emission peak. We formed the NIR Pdot by doping the NIR dye, silicon 2,3-naphthalocyanine bis(trihexylsilyloxide) (NIR775), into the matrix of poly (9,9-dioctylfluorene-co-benzothiadiazole) (PFBT) as the Pdot formed using a nanoscale precipitation technique. Free molecules of NIR775 aggregate in aqueous solution, but encapsulating them into the hydrophobic Pdot matrix effectively introduced them into aqueous solution for use in biological studies. Most importantly, the brightness of NIR775 was dramatically enhanced because of the excellent light-harvesting ability of PFBT and the very efficient energy transfer from PFBT to NIR775. We anticipate this bright NIR Pdot will be useful in biological measurements and cellular imaging where strong NIR emission is beneficial.
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