4.6 Article

Modulation of cardiomyocyte activity using pulsed laser irradiated gold nanoparticles

Journal

BIOMEDICAL OPTICS EXPRESS
Volume 8, Issue 1, Pages 177-192

Publisher

OPTICAL SOC AMER
DOI: 10.1364/BOE.8.000177

Keywords

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Funding

  1. German Federal Ministry of Economics and Energy (BMWi) within the Promotion of Joint Industrial Research Programme (IGF)
  2. Association for Research in Precision Mechanics, Optics and Medical Technology (F.O.M.) under German Federation of Industrial Research Associations (AiF) [18129N]
  3. German Research Foundation through the Cluster of Excellence REBIRTH [DFG EXC62/3]
  4. DFG [ZW 64/4-1]
  5. German Ministry for Education and Science (BMBF) [13N12606]
  6. ministry of Lower Saxony
  7. Volkswagen Stiftung [BIOFABRICATION FOR NIFE: VWZN2860]

Ask authors/readers for more resources

Can photothermal gold nanoparticle mediated laser manipulation be applied to induce cardiac contraction? Based on our previous work, we present a novel concept of cell stimulation. A 532 nm picosecond laser was employed to heat gold nanoparticles on cardiomyocytes. This leads to calcium oscillations in the HL-1 cardiomyocyte cell line. As calcium is connected to the contractility, we aimed to alter the contraction rate of native and stem cell derived cardiomyocytes. A contraction rate increase was particularly observed in calcium containing buffer with neonatal rat cardiomyocytes. Consequently, the study provides conceptual ideas for a light based, nanoparticle mediated stimulation system. (C) 2016 Optical Society of America

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