Article
Chemistry, Multidisciplinary
Eui-Sang Yu, Sang-Hun Lee, Geon Lee, Q-Han Park, Aram J. Chung, Minah Seo, Yong-Sang Ryu
Summary: Vertically aligned nanogap-hybridized metasurfaces can efficiently trap traveling nanoparticles in the sensing region, enabling the real-time monitoring of nanoparticle assemblies in liquids. This approach, together with electric tweezing via optical hotspots, shows promise for underwater THz analysis and understanding physicochemical events within a broad wavelength regime.
Article
Multidisciplinary Sciences
Qikun Yi, Xin Dai, Byung Min Park, Junhao Gu, Jiren Luo, Ri Wang, Cong Yu, Songzi Kou, Jinqing Huang, Richard Lakerveld, Fei Sun
Summary: Engineered living materials (ELMs) have gained attention for their unique properties and nonequilibrium thermodynamics. This study presents a strategy to assemble engineered Saccharomyces cerevisiae into self-propagating ELMs using ultrahigh-affinity protein/protein interactions. These materials have potential applications in chemical separation and biomedical fields.
Article
Optics
Zong-Sian Li, Tsan-Wen Lu, Pin-Ruei Huang, Po-Tsung Lee
Summary: We propose and study a plasmonic bowtie notch design with assisted periodic curved grooves to reduce power consumption in experiments and stably trap polystyrene spheres, which can be helpful in realizing highly efficient nano-tweezers in the plasmonic circuit on-chip.
PHOTONICS RESEARCH
(2021)
Article
Materials Science, Ceramics
Alexander A. Kravtsov, Evgeniy V. Medyanik, Vitaly A. Tarala, Viacheslav A. Lapin, Fedor F. Malyavin, Irina S. Chikulina, Dmitry S. Vakalov, Oleg M. Chapura, Lyudmila V. Tarala, Victoria E. Suprunchuk, Andrew V. Blinov
Summary: Silver nanoparticles were used as a sintering additive for the first time in the manufacture of YAG:Ce luminescent ceramics, and their influence on the sintering kinetics and optical properties were investigated. It was found that the addition of silver nanoparticles improved the light transmission of the ceramics, and the combination with another sintering additive, TEOS, further enhanced the optical transparency. However, high concentrations of silver nanoparticles led to a deterioration in the luminescence and optical transparency of the ceramic.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2023)
Article
Engineering, Electrical & Electronic
Kai Niu, Shangdong Zhao, Shaohua Tao, Fuliang Wang
Summary: An optical tweezers-based optofluidic conveyor has been designed to capture and transport multiple micron particles. The conveyor belts can have different shapes with phase values set as phase gradients. In this study, automatic transportation of microparticles with three different conveyor belts was achieved, and the transportation direction was variable. The system allows particles to travel along arbitrary trajectories and has the potential for other optical manipulation tasks.
SENSORS AND ACTUATORS A-PHYSICAL
(2022)
Article
Chemistry, Physical
Mamoru Tamura, Takudo Wada, Hajime Ishihara
Summary: Light possesses momentum and can exert force on materials through absorption and/or scattering. Optical force techniques, such as trapping and transporting small particles, have been receiving significant attention. This article provides a summary of the basics of optical forces and presents simplified expressions for analyzing different types of forces in various light and matter systems. The applications of optical force techniques in fields such as molecular bioscience and materials engineering are discussed.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS
(2023)
Article
Multidisciplinary Sciences
Jostine Puthenveetil Joby, Suman Das, Praveenkumar Pinapati, Benoit Rogez, Guillaume Baffou, Dhermendra K. Tiwari, Sudhir Cherukulappurath
Summary: Optically-assisted large-scale assembly of nanoparticles has gained recent attention for its potential in assembling and manipulating colloidal particles and biological entities. This work presents an alternative method using graphene oxide's excellent photothermal properties to achieve non-equilibrium transport and assembly of matter. Experimental results demonstrate the rapid aggregation of silica beads using low-intensity laser illumination, attributed to optically driven thermophoretic forces.
SCIENTIFIC REPORTS
(2022)
Article
Nanoscience & Nanotechnology
Wonseok Lee, Hyoungseok Chae, Dong Kyo Oh, Minyoung Lee, Hyunsoo Chun, Gyubeom Yeon, Jaewon Park, Joohoon Kim, Hongseok Youn, Junsuk Rho, Jong G. Ok
Summary: SPEEDIN is a facile and scalable fabrication technique for producing highly durable electronics, utilizing dynamic nanoinscribing and metal nanoparticle solution coating to embed metal structures with high reliability and durability.
MICROSYSTEMS & NANOENGINEERING
(2021)
Article
Optics
Mohsen Samadi, Sara Darbari, Mohammad Kazem Moravvej-Farshi
Summary: This study introduces a hybrid gold-graphene plasmonic tweezers that efficiently manipulates micrometer particles by varying the trap stiffness of the graphene layer. The graphene layer absorbs the plasmonic field around gold nanostructures at specific chemical potentials, allowing modulation of plasmonic force components and trapping potential, leading to more efficient heat transfer.
News Item
Optics
Xiaohe Zhang, Bing Gu, Cheng-Wei Qiu
Summary: Researchers have proposed a new method that can measure the weak force of a single microscopic particle.
LIGHT-SCIENCE & APPLICATIONS
(2021)
Article
Chemistry, Physical
Susav Pradhan, Catherine P. Whitby, Martin A. K. Williams, Jack L. Y. Chen, Ebubekir Avci
Summary: The study systematically explored the assembly dynamics of colloidal particles at an air-water interface and found that factors such as surface charge, solution pH, wettability, and surface tension play critical roles in determining the assembly behavior.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Materials Science, Ceramics
S. Yamini, M. Gunaseelan, G. A. Kumar, Gamage Chamath Dannangoda, Karen S. Martirosyan, Basudev Roy, J. Senthilselvan
Summary: This study presents the upconversion emission and magnetic properties of NaGdF4:Yb, Er nanoparticles doped with Fe and Mg at different concentrations. The results show that 30% Mg doping leads to intense red upconversion emission and high lifetime. The Mg-doped nanoparticles exhibit a lower red-to-green emission intensity ratio compared to Fe-doped nanoparticles at the same concentration. Additionally, the Mg-doped nanoparticles demonstrate paramagnetic behavior, while the Fe-doped nanoparticles exhibit weak ferromagnetic properties at high concentrations.
CERAMICS INTERNATIONAL
(2022)
Article
Multidisciplinary Sciences
Jie Yang, Huaizhou Jin, Yihao Liu, Yaya Guo, Yongli Zhang
Summary: Munc18 chaperones play a key role in mediating membrane fusion between vesicles and plasma membranes. Recent studies have revealed that Munc18-1 and Munc18-3 form ternary complexes with their cognate SNAREs, which facilitate the binding of SNAP-25 or SNAP-23 to conclude SNARE assembly. This study provides further insights into the structure, dynamics, and function of these template complexes. Our findings demonstrate that a highly dynamic template complex mediates efficient and specific SNARE assembly.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Article
Optics
Xionggui Tang, Yanhua Xu, Yi Shen, Wenjing Rong
Summary: In this study, a novel interferometric phase measurement technique is reported for accurately measuring the phase profile of structured light. The experiments show that the measured phase profiles agree well with the designed phase profiles, indicating that the phase profiles of structured light can be accurately obtained. Importantly, the fast switch between phase measurement and particle manipulation can be easily implemented, which is highly preferred in holographic optical tweezers. This research offers a promising approach for accurately obtaining phase profiles of structured light, which is highly beneficial for particle manipulation.
OPTICS AND LASER TECHNOLOGY
(2023)
Article
Optics
Fengya Lu, Lei Gong, Yan Kuai, Xi Tang, Yifeng Xiang, Pei Wang, Douguo Zhang
Summary: This study presents an opto-thermophoretic tweezer based on an all-dielectric one-dimensional photonic crystal (1DPC) for reversible assembly of biological cells. Through the combination of optical and thermophoretic manipulation, the tweezer can optically trap single particles and serve as a controllable origin for reversible cellular assembly. Numerical simulations confirm the long-range manipulations on the all-dielectric 1DPC platform. This technique provides a micromanipulation toolbox for potential applications in biomedical sciences.
PHOTONICS RESEARCH
(2022)
Article
Chemistry, Multidisciplinary
Fan Nan, Zijie Yan
ADVANCED FUNCTIONAL MATERIALS
(2019)
Article
Chemistry, Physical
Yaojuan Hu, Xiaoyan Liu, Zhewei Cai, Hui Zhang, Han Gao, Wenjing He, Ping Wu, Chenxin Cai, Jun-Jie Zhu, Zijie Yan
CHEMISTRY OF MATERIALS
(2019)
Article
Chemistry, Multidisciplinary
Fan Nan, Zijie Yan
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2019)
Article
Multidisciplinary Sciences
Yuan Gao, Ross Harder, Stephen H. Southworth, Jeffrey R. Guest, Xiaojing Huang, Zijie Yan, Leonidas E. Ocola, Yuval Yifat, Nishant Sule, Phay J. Ho, Matthew Pelton, Norbert F. Scherer, Linda Young
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2019)
Article
Chemistry, Multidisciplinary
Fan Nan, Zijie Yan
Article
Chemistry, Analytical
Sheng Zhu, Yong Liu, Guitai Wu, Linfeng Fei, Shaohua Zhang, Yongming Hu, Zijie Yan, Yu Wang, Haoshuang Gu, Wanping Chen
SENSORS AND ACTUATORS B-CHEMICAL
(2019)
Article
Chemistry, Physical
Zhenzhen Chen, Fan Nan, Zijie Yan
JOURNAL OF PHYSICAL CHEMISTRY C
(2020)
Article
Chemistry, Multidisciplinary
Fan Nan, Zijie Yan
Article
Chemistry, Multidisciplinary
Fei Han, Zijie Yan
Article
Chemistry, Multidisciplinary
Fan Nan, Zijie Yan
Article
Optics
John Parker, Curtis W. P. Eterson, Yuval Yifat, Stuart A. Rice, Zijie Yan, Stephen K. Gray, Norbert F. Scherer
Article
Chemistry, Analytical
Zhewei Cai, Yaojuan Hu, Yujie Sun, Qingyu Gu, Ping Wu, Chenxin Cai, Zijie Yan
Summary: This study presents a novel plasmonic surface-enhanced Raman scattering (SERS) biosensor for quantitative analysis of hematin in erythrocytes without the need for separation from hemoglobin. The biosensor is simple, sensitive, and capable of detecting a wide linear range of hematin concentrations with a low detection limit. These characteristics make it a potential tool for clinical detection of hematin concentrations in human erythrocytes.
ANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Physical
Zhenzhen Chen, Zhewei Cai, Wenbo Liu, Zijie Yan
Summary: Optical tweezers can control the position and orientation of individual colloidal particles in solution, providing unique prospects for single-particle spectroscopy and microscopy. This perspective discusses the underlying principles, combinations, and applications of optical tweezers with different spectroscopy and microscopy techniques, as well as the challenges and opportunities for performing spectroscopy and microscopy on single nanoparticles with optical tweezers.
JOURNAL OF CHEMICAL PHYSICS
(2022)
Article
Chemistry, Physical
Zhewei Cai, Pan Du, Wenhui Liang, Hui Zhang, Ping Wu, Chenxin Cai, Zijie Yan
JOURNAL OF MATERIALS CHEMISTRY A
(2020)
Article
Chemistry, Multidisciplinary
Xionggui Tang, Fan Nan, Zijie Yan
NANOSCALE ADVANCES
(2020)