Microfluidic plasmas: Novel technique for chemistry and chemical engineering

Lin, Liangliang; Pho, Hue Quoc; Zong, Lu; Li, Sirui; Pourali, Nima; Rebrov, Evgeny V.; Tran, Nam Nghiep; Ostrikov, Kostya Ken; Hessel, Volker

doi:10.1016/j.cej.2021.129355

Cited by 70 publications

(52 citation statements)

References 135 publications

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“…In this regard, the microfluidic-mediated arrangement is very promising to meet the requirements because of its advantages not only for performing the precise experiment under a highly uniform reaction environment but also simultaneously integrating accurate characterization/detection. [97][98][99][100][101][102] In general, microfluidics is an advanced reaction strategy that deals with a very low amount of liquid in a tiny microchannel of micrometer length scales of various microreactor devices. [103] With regards to integrating SERS with microfluidics, the SERS-active substrates can be fixed to the microfluidic chip or channel during their fabrication for continuous and repeated detection of analytes.…”

Section: The Combination Of Surface-enhanced Raman Scattering and Mic...mentioning

confidence: 99%

Stationary, Continuous, and Sequential Surface‐Enhanced Raman Scattering Sensing Based on the Nanoscale and Microscale Polymer‐Metal Composite Sensor Particles through Microfluidics: A Review

Visaveliya

Mazetyte‐Stasinskiene

Köhler

2022

Advanced Optical Materials

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Surface‐enhanced Raman scattering (SERS) is a label‐free and accurate analytical technique for the detection of a broad range of various analytes such as, biomolecules, pesticides, petrochemicals, as well as, cellular and other biological systems. A key component for the SERS analysis is the substrate which is required to be equipped with plasmonic features of metal nanostructures that directly interact with light and targeted analytes. Either metal nanoparticles can be deposited on the solid support (glass or silicon) which is suitable for stationary SERS analysis or dispersed in the solution (freely moving nanoparticles). Besides these routinely utilizing SERS substrates, polymer–metal composite particles are promising for sustained SERS analysis where metal nanoparticles act as plasmon‐active (hence SERS‐active) components and polymer particles act as support to the metal nanoparticles. Composite sensor particles provide 3D interaction possibilities for analytes, suitable for stationary, continuous, and sequential analysis, and they are reusable/regenerated. Therefore, this review is focused on the experimental procedures for the development of multiscale, uniform, and reproducible composite sensor particles together with their application for SERS analysis. The microfluidic reaction technique is highly versatile in the production of uniform and size‐tunable composite particles, as well as, for conducting SERS analysis.

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Section: The Combination Of Surface-enhanced Raman Scattering and Mic...mentioning

confidence: 99%

Stationary, Continuous, and Sequential Surface‐Enhanced Raman Scattering Sensing Based on the Nanoscale and Microscale Polymer‐Metal Composite Sensor Particles through Microfluidics: A Review

Visaveliya

Mazetyte‐Stasinskiene

Köhler

2022

Advanced Optical Materials

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“…[ 161 ] Advantageously, the distribution of molecules or nanoparticles can take place precisely in the droplets which experience high circulation during the flow. [ 22,25,162–164 ] In general, the droplet is the key focus in microfluidics because the droplet acts as a microreactor. [ 162 ] In the formation of polymer particles, the droplet can be polymerized (solidify) and form the polymer particles.…”

Section: Microfluidics: Generation Of Sensor Particles and Sers Exper...mentioning

confidence: 99%

General Background of SERS Sensing and Perspectives on Polymer‐Supported Plasmon‐Active Multiscale and Hierarchical Sensor Particles

Visaveliya

Mazetyte‐Stasinskiene

Köhler

2021

Advanced Optical Materials

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Surface‐enhanced Raman scattering (SERS) is one of the most powerful analytical techniques for the identification of molecules. The substrate, on which SERS is dependent, contains regions of nanoscale gaps (hotspots) that hold the ability to concentrate incident electromagnetic fields and effectively amplify vibrational scattering signals of adsorbed analytes. While surface plasmon resonance from metal nanostructures is a central focus for the SERS effect, the support of polymers can be significantly advantageous to provide larger exposure of structured metal surfaces for efficient interactions with analytes. Characteristics of the polymer particles such as softness, flexibility, swellability, porosity, optical transparency, metal‐loading ability, and high surface area can allow diffusion of analytes and penetrating light deeply that can enormously amplify sensing outcomes. As polymer‐supported plasmon‐active sensor particles can emerge as versatile SERS substrates, the microfluidic platform is promising for the generation of sensor particles as well as for performing sequential SERS analysis of multiple analytes. Therefore, in this perspective article, the development of multifunctional polymer–metal composite particles, and their applications as potential sensors for SERS sensing through microfluidics are presented. A detailed background from the beginning of the SERS field and perspectives for the multifunctional sensor particles for efficient SERS sensing are provided.

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“…20 In addition, nanoparticles are charged during the synthesis process, avoiding the undesired aggregation phenomenon. 21,22 As a consequence, it has been applied to produce a wide range of nanomaterials. For example, Chiang et al demonstrated the ability to prepare compositional tunable Ni x Fe 1−x nanoparticles using a hollowcathode microplasma, which were then applied for controllable growth of carbon nanotubes.…”

Section: Introductionmentioning

confidence: 99%

Microplasma synthesized gold nanoparticles for surface enhanced Raman spectroscopic detection of methylene blue

Lin

Chiang

et al. 2022

React. Chem. Eng.

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Microfluidic plasmas: Novel technique for chemistry and chemical engineering

Cited by 70 publications

References 135 publications

Stationary, Continuous, and Sequential Surface‐Enhanced Raman Scattering Sensing Based on the Nanoscale and Microscale Polymer‐Metal Composite Sensor Particles through Microfluidics: A Review

Stationary, Continuous, and Sequential Surface‐Enhanced Raman Scattering Sensing Based on the Nanoscale and Microscale Polymer‐Metal Composite Sensor Particles through Microfluidics: A Review

General Background of SERS Sensing and Perspectives on Polymer‐Supported Plasmon‐Active Multiscale and Hierarchical Sensor Particles

Microplasma synthesized gold nanoparticles for surface enhanced Raman spectroscopic detection of methylene blue

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