Optical trapping and manipulation of single particles in air: Principles, technical details, and applications
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Quantitative Spectroscopy and Radiative Transfer"
DOI: 10.1016/j.jqsrt.2018.04.027
Abstract: Abstract Trapping a single aerosol particle allows detailed investigation of its fundamental properties over extended time periods without external interferences. Optical trapping has developed into a powerful tool to perform such single-particle studies. However, trapping… read more here.
Keywords: single particles; particles air; particle; spectroscopy ... See more keywords
On-Chip Arbitrary Manipulation of Single Particles by Acoustic Resonator Array.
Sign Up to like & getrecommendations! Published in 2022 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.2c00130
Abstract: Effective and arbitrary manipulation of particles in liquid has attracted substantial interest. Acoustic tweezers, a new and promising tool, exhibit high biocompatibility, universality, and precision but lack arbitrariness. In this work, we report a gigahertz… read more here.
Keywords: single particles; acoustic streaming; chip arbitrary; manipulation single ... See more keywords
Determining the Local Refractive Index of Single Particles by Optical Imaging Technique.
Sign Up to like & getrecommendations! Published in 2022 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.2c04043
Abstract: The refractive index points to the interplay between light and objects, which is rarely studied down to micronano scale. Herein, we demonstrated a conventional bright-field imaging technique to determine the local refractive index of single… read more here.
Keywords: local refractive; index; index single; imaging technique ... See more keywords
Measurements of Immersion Freezing and Heterogeneous Chemistry of Atmospherically Relevant Single Particles with Micro-Raman Spectroscopy.
Sign Up to like & getrecommendations! Published in 2019 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.9b01819
Abstract: In the atmosphere, there are several different trajectories by which particles can nucleate ice, two of the major pathways are deposition and immersion freezing. Single particle depositional freezing has been widely studied with spectroscopic methods… read more here.
Keywords: single particles; heterogeneous chemistry; chemistry; immersion freezing ... See more keywords
Backscattering-Based Discrimination of Microparticles Using an Optofluidic Multiangle Scattering Chip
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.1c06343
Abstract: In this research, we designed and fabricated an optofluidic chip for the detection and differentiation of single particles via the combination of backscattered (BSC) and forward-scattered (FSC) or side-scattered (SSC) light intensity. The high sensitivity… read more here.
Keywords: multiangle scattering; bsc; discrimination; single particles ... See more keywords
Magnetophoretic capacitors for storing single particles and magnetized cells in microfluidic devices.
Sign Up to like & getrecommendations! Published in 2022 at "Biomicrofluidics"
DOI: 10.1063/5.0101907
Abstract: Precise positioning of magnetic particles and magnetized cells in lab-on-a-chip systems has attracted broad attention. Recently, drawing inspiration from electrical circuits, we have demonstrated a magnetic particle transport platform composed of patterned magnetic thin films… read more here.
Keywords: capacitors storing; storing single; particles magnetized; magnetophoretic capacitors ... See more keywords
Optical trapping and laser-spectroscopy measurements of single particles in air: a review
Sign Up to like & getrecommendations! Published in 2021 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/ac0acf
Abstract: From the early optical-tweezers approach, which uses a single tightly focused laser beam to levitate dielectric or absorbing micron-sized particles, to the recently developed optical traps such as the universal optical trap (UOT), which can… read more here.
Keywords: single particles; laser; air; spectroscopy ... See more keywords
Bragg coherent diffraction imaging of single 20 nm Pt particles at the ID01-EBS beamline of ESRF
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Applied Crystallography"
DOI: 10.1107/s1600576722002886
Abstract: This work demonstrates three-dimensional Bragg coherent diffraction imaging of single 20 nm Pt particles at the ID01-EBS beamline of ESRF. read more here.
Keywords: particles id01; coherent diffraction; imaging single; diffraction imaging ... See more keywords
The Single Particles, Clusters and Biomolecules and Serial Femtosecond Crystallography instrument of the European XFEL: initial installation1
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Synchrotron Radiation"
DOI: 10.1107/s1600577519003308
Abstract: An introduction to the early operational capabilities of the Single Particles, Clusters and Biomolecules and Serial Femtosecond Crystallography (SPB/SFX) scientific instrument at the European X-ray Free Electron Laser facility is presented. read more here.
Keywords: biomolecules serial; femtosecond crystallography; single particles; serial femtosecond ... See more keywords
Real-time capture of single particles in controlled flow by a rapidly generated foci array with adjustable intensity and pattern.
Sign Up to like & getrecommendations! Published in 2021 at "Optics letters"
DOI: 10.1364/ol.440494
Abstract: We propose a new, to the best of our knowledge, technique to capture single particles in real-time in a microfluidic system with controlled flow using micro-pillar traps fabricated by one-step. The micro pillars are fabricated… read more here.
Keywords: single particles; foci array; real time; time ... See more keywords
Spectral Intensity Bioaerosol Sensor (SIBS): an instrument for spectrally resolved fluorescence detection of single particles in real time
Sign Up to like & getrecommendations! Published in 2019 at "Atmospheric Measurement Techniques"
DOI: 10.5194/amt-12-1337-2019
Abstract: Abstract. Primary biological aerosol particles (PBAPs) in the atmosphere are highly relevant for the Earth system, climate, and public health. The analysis of PBAPs, however, remains challenging due to their high diversity and large spatiotemporal… read more here.
Keywords: real time; bioaerosol; fluorescence; single particles ... See more keywords