ArticleACS applied materials & interfaces2021
Gold Nanorod-Melanin Hybrids for Enhanced and Prolonged Photoacoustic Imaging in the Near-Infrared-II Window.
Article in ACS applied materials & interfaces, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed.
- Nanomaterials for In Vivo Photoacoustic Sensing: Emerging Strategies and Future Outlook.ACS sensors · 2026Review
- Nanotechnology-Driven Ultrasound/Photoacoustic Theranostics for Real-Time Imaging and Therapeutics.Nanotheranostics · 2026Review
- Next generation gold nanomaterials for photoacoustic imaging.Nanomedicine (London, England) · 2025Review
- Recent advances in gold nanoparticle-graphene hybrid nanoplatforms with visible to near-infrared response for photodynamic and photothermal therapy and bioimaging.RSC advances · 2025Review
- A comprehensive review on nanoparticle-based photo acoustic: current application and future prospective.Discover nano · 2024Review
- Potential applications for photoacoustic imaging using functional nanoparticles: A comprehensive overview.Heliyon · 2024Review
- Colorimetric sensing for translational applications: from colorants to mechanisms.Chemical Society reviews · 2024Review
- Regulating interparticle proximity in plasmonic nanosphere aggregates to enhance photoacoustic response and photothermal stability.Advanced functional materials · 2024Article
- Coupling Gold Nanospheres into Nanochain Constructs for High-Contrast, Longitudinal Photoacoustic Imaging.Nano letters · 2024Article
- Plasmonic silver and gold nanoparticles: shape- and structure-modulated plasmonic functionality for point-of-caring sensing, bio-imaging and medical therapy.Chemical Society reviews · 2024Review
- Bacteria-Based Living Probes: Preparation and the Applications in Bioimaging and Diagnosis.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Review
- Hyper-Branched Gold Nanoconstructs for Photoacoustic Imaging in the Near-Infrared Optical Window.Nano letters · 2023Article
- Goldilocks Energy Minimum: Peptide-Based Reversible Aggregation and Biosensing.ACS applied materials & interfaces · 2023Article
- Simultaneous Detection of Multiple Tumor-targeted Gold Nanoparticles in HER2-Positive Breast Tumors Using Optoacoustic Imaging.Radiology. Imaging cancer · 2023Article
- Cancer Treatment Using Different Shapes of Gold-Based Nanomaterials in Combination with Conventional Physical Techniques.Pharmaceutics · 2023Review
- 3D-Bioprinted Phantom with Human Skin Phototypes for Biomedical Optics.Advanced materials (Deerfield Beach, Fla.) · 2023Article
- Photoacoustic Imaging Probes for Theranostic Applications.Biosensors · 2022Review
- Contrast Agents for Photoacoustic Imaging: A Review Focusing on the Wavelength Range.Biosensors · 2022Review
- Looking deep inside tissue with photoacoustic molecular probes: a review.Journal of biomedical optics · 2022Review
- Photoacoustic Enhancement of Ferricyanide-Treated Silver Chalcogenide-Coated Gold Nanorods.The journal of physical chemistry. C, Nanomaterials and interfaces · 2022Article
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Authors and funding
6 authors.
Funding
Abstract
Photoacoustic (PA) imaging holds great promise as a noninvasive imaging modality. Gold nanorods (GNRs) with absorption in the second near-infrared (NIR-II) window have emerged as excellent PA probes because of their tunable optical absorption, surface modifiability, and low toxicity. However, pristine GNRs often undergo shape transition upon laser illumination due to thermodynamic instability, leading to a reduced PA signal after a few seconds of imaging. Here, we report monodisperse GNR-melanin nanohybrids where a tunable polydopamine (PDA) coating was conformally coated on GNRs. GNR@PDAs showed a threefold higher PA signal than pristine GNRs due to the increased optical absorption, cross-sectional area, and thermal confinement. More importantly, the PA signal of GNR@PDAs only decreased by 29% during the 5 min of laser illumination in the NIR-II window, while significant attenuation (77%) was observed for GNRs. The GNR@PDAs maintained 87% of its original PA signal
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