Results 61 to 70 of about 53,504 (334)
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
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
FEBS Letters, EarlyView.B cells sense external mechanical forces and convert them into biochemical signals through mechanotransduction. Understanding how malignant B cells respond to physical stimuli represents a groundbreaking area of research. This review examines the key mechano‐related molecules and pathways in B lymphocytes, highlights the most relevant techniques to ...
Marta Sampietro +2 more
wiley +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
Advanced Functional Materials, EarlyView.A visible light‐responsive polyacrylamide‐azobenzene hydrogel enables safe, reversible stiffness control for studying cell mechanobiology without harmful UV exposure. This approach reveals stem cells respond rapidly to mechanical changes, showing altered shape and protein distribution within one hour.
Aafreen Ansari +11 more
wiley +1 more source
Micromachines, 2023 Counter-propagating optical tweezers are experimental platforms for the frontier exploration of science and precision measurement. The polarization of the trapping beams significantly affects the trapping status. Using the T-matrix method, we numerically
Ming Chen +7 more
doaj +1 more source
On-chip optical tweezers based on freeform optics
Optica, 2021 Since its advent in the 1970s, optical tweezers have been widely deployed as a preferred non-contact technique for manipulating microscale objects. On-chip integrated optical tweezers, which afford significant size, weight, and cost benefits, have been ...
Shaoliang Yu +8 more
semanticscholar +1 more source
Advanced Functional Materials, EarlyView.A bioengineered skin equivalent composed of electrospun poly(ε‐caprolactone) (PCL) and the bioactive peptide Fmoc‐FRGD is developed for severe burn treatment. This scaffold promotes full‐thickness skin regeneration by supporting cellular adhesion and integration. In‐vitro and in‐vivo studies show enhanced mechanical stability, accelerated wound closure,
Dana Cohen‐Gerassi +11 more
wiley +1 more source
Optical Tweezers in Human Cancers
Zhongliu Fangzhi YanjiuOptical tweezers are a means to manipulate objects with light. Optical tweezers can obtain a nanometer space, piconewton force, and a millisecond resolution; thus, they are excellently suited for studying biological processes from the single-cell to the ...
ZHANG Baihong, YUE Hongyun
doaj +1 more source
Folding a focalized acoustical vortex on a flat holographic transducer: Miniaturized selective acoustical tweezers [PDF]
Science Advances, 2018 Selective manipulation of micrometric objects in a standard microscopy environment is possible with miniaturized acoustical tweezers. Acoustical tweezers based on focalized acoustical vortices hold the promise of precise contactless manipulation of ...
M. Baudoin +5 more
semanticscholar +1 more source