Cited by 40Neuroscience and Neural EngineeringNanoplatforms for cancer theranosticsGold and Silver Nanoparticles Synthesis and Applications

Antibody-conjugated gold nanoparticles as nanotransducers for second near-infrared photo-stimulation of neurons in rats

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Liu, Jiansheng, Li, Jiajia, Zhang, Shu, Ding, Mengbin, Yu, Ningyue, Li, Jingchao, Wang, Xiuhui, Li, Zhaohui·2022·Nano Convergence

Abstract

Abstract Infrared neural stimulation with the assistance of photothermal transducers holds great promise as a mini-invasive neural modulation modality. Optical nanoparticles with the absorption in the near-infrared (NIR) window have emerged as excellent photothermal transducers due to their good biocompatibility, surface modifiability, and tunable optical absorption. However, poor activation efficiency and limited stimulation depth are main predicaments encountered in the neural stimulation mediated by these nanoparticles. In this study, we prepared a targeted polydopamine (PDA)-coated gold (Au) nanoparticles with specific binding to thermo-sensitive ion channel as nanotransducers for second near-infrared (NIR-II) photo-stimulation of neurons in rats. The targeted Au nanoparticles were constructed via conjugation of anti-TRPV1 antibody with PEGylated PDA-coated Au nanoparticles and thus exhibited potent photothermal performance property in the second NIR (NIR-II) window and converted NIR-II light to heat to rapidly activate Ca2+ influx of neurons in vitro. Furthermore, wireless photothermal stimulation of neurons in living rat successfully evoke excitation in neurons in the targeted brain region as deep as 5 mm beneath cortex. This study thus demonstrates a remote-controlled strategy for neuromodulation using photothermal nanotransducers.

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  • Nanotechnology offers immense potential for advancements in theranostics.

    “Nanotechnology, which focuses on manipulating materials at the nanoscale through innovative fabrication techniques, offers immense potential for advancements in theranostics [25–28].”

    From Extracellular vesicles as nanotheranostic platforms for targeted neurological disorder interventions (2024) · cites this paper as [26]

    The Abstract and Introduction describe promising biomedical uses of nanoparticles, specifically photothermal stimulation of neurons in rats. They do not establish their potential for theranostics, which combines diagnosis and treatment; the reference-list mention of cancer theranosis is not a finding of this study. Page numbers are unavailable in our copy. (LLM, conf=0.78)

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Authors
Liu, J., Li, J., Zhang, S., Ding, M., Yu, N., Li, J., Wang, X., & Li, Z.
Affiliations
  • Jinan University (CN)
  • Donghua University (CN)
  • Shanghai University (CN)
Corresponding author
  • Li, Jiajia
  • Li, Jingchao
  • Wang, Xiuhui
  • Li, Zhaohui
Venue
Nano Convergence
Published
2022-03-21
Volume
9
Issue
1
Pages
13-13
ISSN
2196-5404 (ISSN-L)
OpenAlex
W4220857784
Cited by
40
References
55
Citations by year
2026: 8 · 2025: 9 · 2024: 13 · 2023: 9 · 2022: 1
FWCI
3.54
Type
journal article
Language
en
Open access
Locations
  • Nano Convergence (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • Postdoctoral Research Foundation of China (2021M703790)
  • Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning
  • Fundamental Research Funds for the Central Universities (2232021A-05)
  • Science and Technology Commission of Shanghai Municipality (20DZ2254900)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
  • Physical Sciences › Engineering › Biomedical Engineering › Nanoplatforms for cancer theranostics
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Gold and Silver Nanoparticles Synthesis and Applications
Keywords
gold nanoparticles, polydopamine coating, targeted nanoparticle delivery, calcium influx, neuromodulation, deep brain stimulation, PEGylation

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