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<p>Laser-induced backward transfer (LIBT) was for the first time employed to deposit silver nanoparticles in a microfluidic system. The prefabricated reservoir on a fused silica surface served as an acceptor while the bulk silver target (donor) was ablated with nanosecond laser pulses. The obtained microfluidic system was used for the detection of reactive oxygen species via chemiluminescent reaction with luminol. We found that LIBT deposited silver nanoparticles enhance luminol chemiluminescence by up to 66% compared to the reference in a microfluidic system without silver nanoparticles. The optimum conditions were established for the deposition of silver nanoparticles by LIBT.</p>

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A novel method for silver nanoparticle deposition in microfluidic systems: backward laser transfer approach

  • 期刊论文

  • 发表日期：

    2025年4月26日

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  • A. Ramos-Velazquez,
  • A. Balashov,
  • A. Bondarenko,
  • D. Sinev,
  • P. Filatov,
  • D. Kononov,
  • A. Tiushkevich,
  • T. Vartanyan,
  • D. Dadadzhanov,
  • G. Romanova

摘要

Laser-induced backward transfer (LIBT) was for the first time employed to deposit silver nanoparticles in a microfluidic system. The prefabricated reservoir on a fused silica surface served as an acceptor while the bulk silver target (donor) was ablated with nanosecond laser pulses. The obtained microfluidic system was used for the detection of reactive oxygen species via chemiluminescent reaction with luminol. We found that LIBT deposited silver nanoparticles enhance luminol chemiluminescence by up to 66% compared to the reference in a microfluidic system without silver nanoparticles. The optimum conditions were established for the deposition of silver nanoparticles by LIBT.