Results 61 to 70 of about 118,744 (375)
Optical Trapping and Manipulation of Superparamagnetic Beads Using Annular-Shaped Beams
Methods and Protocols, 2018 We propose an optical tweezers setup based on an annular-shaped laser beam that is efficient to trap 2.8 μ m-diameter superparamagnetic particles.
Leandro Oliveira +2 more
doaj +1 more source
Science Advances, 2020 Acoustic tweezers enable contactless, dynamic, precise, and multifunctional manipulation of bioparticles in Petri dishes. Acoustic tweezers are a promising technology for the biocompatible, precise manipulation of delicate bioparticles ranging from ...
Zhenhua Tian +11 more
semanticscholar +1 more source
Opto-thermophoretic fiber tweezers
Nanophotonics, 2019 Recent advances in opto-thermophoretic tweezers open new avenues for low-power trapping and manipulation of nanoparticles with potential applications in colloidal assembly, nanomanufacturing, life sciences, and nanomedicine. However, to fully exploit the
Kotnala Abhay, Zheng Yuebing
doaj +1 more source
Accounting for polarization in the calibration of a donut beam axial optical tweezers. [PDF]
PLoS ONE, 2018 Advances in light shaping techniques are leading to new tools for optical trapping and micromanipulation. For example, optical tweezers made from Laguerre-Gaussian or donut beams display an increased axial trap strength and can impart angular momentum to
Russell Pollari, Joshua N Milstein
doaj +1 more source
Results in Optics, 2021 The classification of the type of trapped particles is a crucial task for an efficient integration of optical-tweezers in intelligent microfluidic devices.
Pedro A.S. Jorge +8 more
doaj +1 more source
Single and dual fiber nano-tip optical tweezers: trapping and analysis
, 2013 An original optical tweezers using one or two chemically etched fiber nano-tips is developed. We demonstrate optical trapping of 1 micrometer polystyrene spheres at optical powers down to 2 mW.
Decombe, Jean-Baptiste +2 more
core +4 more sources
Raman Tweezers for small microplastics and nano-plastics identification in seawater.
Environmental Science and Technology, 2019 Our understanding of the fate and distribution of micro- and nano- plastics in the marine environ-ment is limited by the intrinsic difficulties of the techniques currently used for the detection, quanti-fication and chemical identification of small ...
R. Gillibert +10 more
semanticscholar +1 more source
Optical Tweezers in Studies of Red Blood Cells
Cells, 2020 Optical tweezers (OTs) are innovative instruments utilized for the manipulation of microscopic biological objects of interest. Rapid improvements in precision and degree of freedom of multichannel and multifunctional OTs have ushered in a new era of ...
Ruixue Zhu +3 more
semanticscholar +1 more source
Acoustohydrodynamic tweezers via spatial arrangement of streaming vortices
Science Advances, 2021 Decomposition and control of acoustic streaming enable contact-free manipulation of bioanalytes and digitalized liquid handling. Acoustics-based tweezers provide a unique toolset for contactless, label-free, and precise manipulation of bioparticles and ...
Haodong Zhu +14 more
semanticscholar +1 more source
Advanced Engineering Materials, EarlyView.A statistical framework is applied to quantify the distribution of electrical resistivity among individual filaments of two commercially available carbon fiber types. Correlations between filament resistivity, tensile modulus, and diameter are examined and complemented by TEM analysis to provide new insight into filament‐level variability relevant for ...
Nils Wieja +9 more
wiley +1 more source