Photothermal reshaping of gold nanorods prevents further cell death

Hironobu Takahashi; Takuro Niidome; Ayuko Nariai; Yasuro Niidome; Sunao Yamada

doi:10.1088/0957-4484/17/17/024

Photothermal reshaping of gold nanorods prevents further cell death

Hironobu Takahashi, Takuro Niidome, Ayuko Nariai, Yasuro Niidome, Sunao Yamada

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

80 Citations (Scopus)

Abstract

The combined use of phosphatidylcholine passivated gold nanorods (PC-NRs) and pulsed near-infrared (near-IR) irradiation resulted in cell death. Pulsed near-IR laser irradiation also induced reshaping of PC-NRs into spherical nanoparticles. Since reshaped particles showed no absorption in the near-IR region, successive laser irradiation did not affect cells. Photo-reshaping of PC-NRs is expected to be advantageous in preventing unwanted cell damage following destruction of target cells.

Original language	English
Article number	024
Pages (from-to)	4431-4435
Number of pages	5
Journal	Nanotechnology
Volume	17
Issue number	17
DOIs	https://doi.org/10.1088/0957-4484/17/17/024
Publication status	Published - Aug 1 2006

All Science Journal Classification (ASJC) codes

Bioengineering
Chemistry(all)
Materials Science(all)
Mechanics of Materials
Mechanical Engineering
Electrical and Electronic Engineering

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10.1088/0957-4484/17/17/024

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AU - Takahashi, Hironobu

AU - Niidome, Takuro

AU - Nariai, Ayuko

AU - Niidome, Yasuro

AU - Yamada, Sunao

PY - 2006/8/1

Y1 - 2006/8/1

N2 - The combined use of phosphatidylcholine passivated gold nanorods (PC-NRs) and pulsed near-infrared (near-IR) irradiation resulted in cell death. Pulsed near-IR laser irradiation also induced reshaping of PC-NRs into spherical nanoparticles. Since reshaped particles showed no absorption in the near-IR region, successive laser irradiation did not affect cells. Photo-reshaping of PC-NRs is expected to be advantageous in preventing unwanted cell damage following destruction of target cells.

AB - The combined use of phosphatidylcholine passivated gold nanorods (PC-NRs) and pulsed near-infrared (near-IR) irradiation resulted in cell death. Pulsed near-IR laser irradiation also induced reshaping of PC-NRs into spherical nanoparticles. Since reshaped particles showed no absorption in the near-IR region, successive laser irradiation did not affect cells. Photo-reshaping of PC-NRs is expected to be advantageous in preventing unwanted cell damage following destruction of target cells.

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Photothermal reshaping of gold nanorods prevents further cell death

Abstract

All Science Journal Classification (ASJC) codes

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