Localized surface plasmon assisted microfluidic mixing

Miao, Xiaoyu; Wilson, Benjamin K.; Lin, Lih Y.

doi:10.1063/1.2901192

Cited by 48 publications

(48 citation statements)

References 12 publications

(8 reference statements)

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“…P lasmonic systems are drawing much attention due to their broad applications in several fields such as biology 1 , sensing 2 , nanoscale heating 3 , nonlinear optics 4,5 , optofluidics [6][7][8] and optical trapping [9][10][11][12][13][14] . Indeed, light-absorbing nanotextured surfaces such as those utilizing metal pads, dipole antennas and bowtie nanoantennas have recently been shown to be very effective for optical manipulation 9,13,15 .…”

mentioning

confidence: 99%

Understanding and controlling plasmon-induced convection

et al. 2014

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The heat generation and fluid convection induced by plasmonic nanostructures is attractive for optofluidic applications. However, previously published theoretical studies predict only nanometre per second fluid velocities that are inadequate for microscale mass transport. Here we show both theoretically and experimentally that an array of plasmonic nanoantennas coupled to an optically absorptive indium-tin-oxide (ITO) substrate can generate 4micro-metre per second fluid convection. Crucially, the ITO distributes thermal energy created by the nanoantennas generating an order of magnitude increase in convection velocities compared with nanoantennas on a SiO 2 base layer. In addition, the plasmonic array alters absorption in the ITO, causing a deviation from Beer-Lambert absorption that results in an optimum ITO thickness for a given system. This work elucidates the role of convection in plasmonic optical trapping and particle assembly, and opens up new avenues for controlling fluid and mass transport on the micro-and nanoscale.

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confidence: 99%

Understanding and controlling plasmon-induced convection

et al. 2014

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“…For instance, metal nanoparticles have been directly incorporated into or coated onto the channel material (e.g., poly(dimethylsiloxane)(PDMS)) to serve as surfaceenhanced Raman scattering substrates (Giesfeldt et al 2005), to enhance electrophoretic performance , to bind bio-molecular recognition elements (Luo et al 2005), and to develop immobilized enzyme reactors (Zhang et al 2008b). Furthermore, gold nanoparticles self-assembled on a substrate have been demonstrated for coupling of localized surface plasmon energy for thermal mixing (Miao et al 2008) and manipulation of bio-particles (Miao and Lin 2007a, b). Quantum dots (QDs) represent another promising technology for nano-engineered, microfluidic-based biosensing platform.…”

Section: Micro/nanofluidics Integrated With Nanobiosensorsmentioning

confidence: 99%

Applications, techniques, and microfluidic interfacing for nanoscale biosensing

Jungkyu

Junkin

Kim

et al. 2009

Microfluid Nanofluid

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Biosensors based on nanotechnology are rapidly developing and are becoming widespread in the biomedical field and analytical chemistry. For these nanobiosensors to reach their potential, they must be integrated with appropriate packaging techniques, which are usually based on nano/microfluidics. In this review we provide a summary of the latest developments in nanobiosensors with a focus on label-based (fluorescence and nanoparticle) and label-free methods (surface plasmon resonance, micro/nanocantilever, nanowires, and nanopores). An overview on how these sensors interface with nano/microfluidics is then presented and the latest papers in the area summarized.

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“…Such high‐intensity light may exceed the safety threshold of living tissues in bio/medical applications, which can cause some undesirable side effects, such as photodamage . Miao et al have demonstrated that the LSPR‐assisted photothermal effects enable microfluidic mixing at low optical power . By employing Au nanoparticle arrays on substrates, light with intensity as low as 6.4 × 10 3 W cm −2 has been used to generate the efficient convective flow for fluid mixing ( Figure ).…”

Section: Plasmon‐enhanced Functionalities In Microfluidicsmentioning

confidence: 99%

Plasmofluidics: Merging Light and Fluids at the Micro-/Nanoscale

Wang

Zhao

Miao

et al. 2015

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Plasmofluidics is the synergistic integration of plasmonics and micro/nano fluidics in devices and applications in order to enhance performance. There has been significant progress in the emerging field of plasmofluidics in recent years. By utilizing the capability of plasmonics to manipulate light at the nanoscale, combined with the unique optical properties of fluids, and precise manipulation via micro/nano fluidics, plasmofluidic technologies enable innovations in lab-on-a-chip systems, reconfigurable photonic devices, optical sensing, imaging, and spectroscopy. In this review article, we examine and categorize the most recent advances in plasmofluidics into plasmon-enhanced functionalities in microfluidics and microfluidics-enhanced plasmonic devices. The former focuses on plasmonic manipulations of fluids, bubbles, particles, biological cells, and molecules at the micro-/nano-scale. The latter includes technological advances that apply microfluidic principles to enable reconfigurable plasmonic devices and performance-enhanced plasmonic sensors. We conclude with our perspectives on the upcoming challenges, opportunities, and the possible future directions of the emerging field of plasmofluidics.

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Localized surface plasmon assisted microfluidic mixing

Cited by 48 publications

References 12 publications

Understanding and controlling plasmon-induced convection

Understanding and controlling plasmon-induced convection

Applications, techniques, and microfluidic interfacing for nanoscale biosensing

Plasmofluidics: Merging Light and Fluids at the Micro-/Nanoscale

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