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Multiwavelength Photoacoustic Imaging and Plasmon Resonance Coupling of Gold Nanoparticles for Selective Detection of Cancer

Open access
Mallidi, Srivalleesha, Larson, Timothy, Tam, Justina, Joshi, Pratixa P., Karpiouk, Andrei, Sokolov, Konstantin, Emelianov, Stanislav·2009·Nano Letters

Abstract

Gold nanoparticles targeting epidermal growth factor receptor via antibody conjugation undergo molecular specific aggregation when they bind to receptors on cell surfaces, leading to a red shift in their plasmon resonance frequency. Capitalizing on this effect, we demonstrate the efficacy of the molecular specific photoacoustic imaging technique using subcutaneous tumor-mimicking gelatin implants in ex-vivo mouse tissue. The results of our study suggest that highly selective and sensitive detection of cancer cells is possible using multiwavelength photoacoustic imaging and molecular specific gold nanoparticles.

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Metadata

Authors
Mallidi, S., Larson, T., Tam, J., Joshi, P. P., Karpiouk, A., Sokolov, K., & Emelianov, S.
Venue
Nano Letters
Published
2009-07-02
Volume
9
Issue
8
Pages
2825-2831
ISSN
  • 1530-6984 (ISSN-L)
  • 1530-6992
OpenAlex
W2028774780
Cited by
446
References
0
FWCI
19.22
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Multiwavelength Photoacoustic Imaging and Plasmon Resonance Coupling of Gold Nanoparticles for Selective Detection of Cancer. https://app.cochat.ai/papers/10.1021/nl802929u
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Mallidi, S., Larson, T., Tam, J., Joshi, P. P., Karpiouk, A., Sokolov, K., & Emelianov, S. (2009). Multiwavelength Photoacoustic Imaging and Plasmon Resonance Coupling of Gold Nanoparticles for Selective Detection of Cancer. Nano Letters. https://doi.org/10.1021/nl802929u

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.