| Literature DB >> 28101410 |
Lara Gentemann1, Stefan Kalies2, Michelle Coffee3, Heiko Meyer4, Tammo Ripken4, Alexander Heisterkamp5, Robert Zweigerdt3, Dag Heinemann6.
Abstract
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.Entities:
Keywords: (000.1430) Biology and medicine; (190.4870) Photothermal effects; (350.4855) Optical tweezers or optical manipulation
Year: 2016 PMID: 28101410 PMCID: PMC5231291 DOI: 10.1364/BOE.8.000177
Source DB: PubMed Journal: Biomed Opt Express ISSN: 2156-7085 Impact factor: 3.732