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Light-driven plasmonic microrobot for nanoparticle manipulation.
Nat Commun
March 2025
Nano-Optics and Biophotonics Group, Experimentelle Physik 5, Physikalisches Institut, Universität Würzburg, Am Hubland, Würzburg, Germany.
Recently light-driven microdrones have been demonstrated, making use of plasmonic nanomotors based on directional resonant chiral light scattering. These nanomotors can be addressed individually, without requiring the tracking of a focused laser, leading to exceptional 2D maneuverability which renders microdrones a versatile robotic platform in aqueous environments. Here, we incorporate a light-operated manipulator, a plasmonic nano-tweezer, into the microdrone platform, rendering it a microrobot by enabling precise, all-optical transport and delivery of single nanoparticles suspended in solution.
View Article and Find Full Text PDFUltrafast Exciton Formation in Perovskite Quantum Rods.
Nano Lett
March 2025
State Key Laboratory of Quantum Optics Technologies and Devices, Institute of Laser Spectroscopy, Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China.
Investigating exciton formation in semiconductor materials is essential for efficient light-to-energy conversion applications. Exciton formation has been extensively studied in two-dimensional materials but is rarely observed in single quantum systems. Here, we construct one-dimensional CsPbBr quantum rods (QRs) with two confined dimensions and one unconfined dimension.
View Article and Find Full Text PDFInteractions between myofibrillar protein and konjac glucomannan at critical thermal phase transition temperatures: Aggregation, cross-linking, and protein conformational changes.
Food Res Int
April 2025
College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning 110866, PR China. Electronic address:
This study investigated the gelling properties and thermal resistance of a composite system comprising myofibrillar protein (MP) and konjac glucomannan (KG). The interactions between the two components at critical phase transition temperatures (44 °C and 55 °C) were analyzed using rheology, thermodynamics, dynamic light scattering, spectroscopy, and microscopic imaging. The results revealed the dynamic evolutions in aggregation, cross-linking, and protein conformation.
View Article and Find Full Text PDFDeep learning combined Monte Carlo simulation reveal the fundamental light propagation in apple puree: Monitoring the quality changes from different cultivar, storage period and heating duration.
Food Res Int
April 2025
College of Food Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing 210095, China; Sanya Institute of Nanjing Agricultural University, Sanya, Hainan 572024, China; Analysis and Test Center, Chinese Academy of Tropical Agricultural Sciences, Haikou 571100, China. Electronic address:
This work explored the light propagation of purees from a large variability of apple cultivar, storage period and heating duration based on their optical absorption (μ) and reduced scattering (μ') properties at 900-1650 nm, in order to better monitor the chemical, structural and rheological parameters. The prolonged heating duration modified intensively on puree structure and rheology, and resulted significant increases of μ' at 900-1350 nm. Based on Monte Carlo simulation, the maximum light attenuation distance at 1050 nm of 'Golden Delicious' and 'Red Delicious' apple puree increased intensively from 16.
View Article and Find Full Text PDFStrong interaction between plasmon and topological surface state in BiSe/CuS nanowires for solar-driven photothermal applications.
Sci Adv
March 2025
Department of Physics and Guangdong Basic Research Center of Excellence for Quantum Science, Southern University of Science and Technology, Shenzhen, 518055, P. R. China.
Developing high-performance photothermal materials and unraveling the underlying mechanism are essential for photothermal applications. Here, photothermal performance improved by strong interaction between plasmon and topological surface state (TSS) is demonstrated in BiSe/CuS nanowires. This hybrid, which CuS nanosheets were grown on BiSe nanowires, leverages the plasmon resonance and TSS-induced optical property, generating wide and efficient light absorption.
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