Theodore Anyika, Ikjun Hong, Guodong Zhu, Justus C. Ndukaife
{"title":"将共振质子弓形纳米天线应用于细胞外囊泡和纳米颗粒的光助扩散捕获","authors":"Theodore Anyika, Ikjun Hong, Guodong Zhu, Justus C. Ndukaife","doi":"10.1002/lpor.202400412","DOIUrl":null,"url":null,"abstract":"Plasmonic antennas leveraging localized surface plasmon resonances (LSPR) hold a significant premise for efficiently trapping nanoscale particles at low power levels. However, their effectiveness is hindered by photothermal effects that arise with metallic nanoparticles, leading to decreased stability of trapped particles. To address this limitation, a hybrid approach that combines depletion attraction and photothermal effects inherent in plasmonic structures is proposed, capitalizing on thermally induced concentration gradients. Through the thermophoretic depletion of polyethylene glycol (PEG) molecules around plasmonic hotspots, sharp concentration gradients are created, enabling precise localization of nanoscopic particles through a synergistic effect with diffusiophoretic forces. Our experiments successfully demonstrate the ability to trap and dynamically manipulate small extracellular vesicles and 100 nm polystyrene beads, showcasing the platform's potential for assembly at the nanoscale. Remarkably, this method maintains stable trapping performance even at a laser power of . The demonstration of stable trapping of small extracellular vesicles showcases the compatibility of this platform with bio species. This study introduces a promising avenue for the precise and efficient manipulation of nanoscale particles, with wide‐ranging implications in nanotechnology, biophysics, and nanomedicine. This research opens new opportunities for advancing nanoscale particle studies and applications, ushering in a new era of nanoscale manipulation techniques.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":null,"pages":null},"PeriodicalIF":9.8000,"publicationDate":"2024-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Application of Resonant Plasmonic Bowtie Nanoantennas for Optically‐Assisted Diffusiophoretic Trapping of Extracellular Vesicles and Nanoparticles\",\"authors\":\"Theodore Anyika, Ikjun Hong, Guodong Zhu, Justus C. Ndukaife\",\"doi\":\"10.1002/lpor.202400412\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Plasmonic antennas leveraging localized surface plasmon resonances (LSPR) hold a significant premise for efficiently trapping nanoscale particles at low power levels. 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Application of Resonant Plasmonic Bowtie Nanoantennas for Optically‐Assisted Diffusiophoretic Trapping of Extracellular Vesicles and Nanoparticles
Plasmonic antennas leveraging localized surface plasmon resonances (LSPR) hold a significant premise for efficiently trapping nanoscale particles at low power levels. However, their effectiveness is hindered by photothermal effects that arise with metallic nanoparticles, leading to decreased stability of trapped particles. To address this limitation, a hybrid approach that combines depletion attraction and photothermal effects inherent in plasmonic structures is proposed, capitalizing on thermally induced concentration gradients. Through the thermophoretic depletion of polyethylene glycol (PEG) molecules around plasmonic hotspots, sharp concentration gradients are created, enabling precise localization of nanoscopic particles through a synergistic effect with diffusiophoretic forces. Our experiments successfully demonstrate the ability to trap and dynamically manipulate small extracellular vesicles and 100 nm polystyrene beads, showcasing the platform's potential for assembly at the nanoscale. Remarkably, this method maintains stable trapping performance even at a laser power of . The demonstration of stable trapping of small extracellular vesicles showcases the compatibility of this platform with bio species. This study introduces a promising avenue for the precise and efficient manipulation of nanoscale particles, with wide‐ranging implications in nanotechnology, biophysics, and nanomedicine. This research opens new opportunities for advancing nanoscale particle studies and applications, ushering in a new era of nanoscale manipulation techniques.
期刊介绍:
Laser & Photonics Reviews is a reputable journal that publishes high-quality Reviews, original Research Articles, and Perspectives in the field of photonics and optics. It covers both theoretical and experimental aspects, including recent groundbreaking research, specific advancements, and innovative applications.
As evidence of its impact and recognition, Laser & Photonics Reviews boasts a remarkable 2022 Impact Factor of 11.0, according to the Journal Citation Reports from Clarivate Analytics (2023). Moreover, it holds impressive rankings in the InCites Journal Citation Reports: in 2021, it was ranked 6th out of 101 in the field of Optics, 15th out of 161 in Applied Physics, and 12th out of 69 in Condensed Matter Physics.
The journal uses the ISSN numbers 1863-8880 for print and 1863-8899 for online publications.