Results 91 to 100 of about 53,610 (191)

Orientation- and wavelength-dependent sperm motility in optical trapping

Journal of Innovative Optical Health Sciences
Optical tweezers technology has the characteristics of noncontact manipulation in three dimensions and steerable separation in solutions, and could be applied to obtain a separated sperm with high quality for intracytoplasmic sperm injection (ICSI ...
Juan Wang, Jifu Lyu, Haoyu Pan, Xinyu Fan, Xiang Jiang, Xuhui Bao, Yi Wang, Fengya Lu, Zhiguo Zhang, Zhensheng Zhong, Jinhua Zhou   +10 more
doaj   +1 more source

Experimental investigation on optical vortex tweezers for microbubble trapping

Open Physics, 2018
In this paper, we investigated the microbubble trapping using optical vortex tweezers. It is shown that the microbubble can be trapped by the vortex optical tweezers, in which the trapping light beam is of vortex beam.
Zhou Xiaoming, Chen Ziyang, Liu Zetian, Pu Jixiong   +3 more
doaj   +1 more source

Optical tweezers

IEEJ Transactions on Sensors and Micromachines, 1996
Z J Ulanowski, Ian R Williams
openaire   +3 more sources

Optical trapping and manipulating with a transmissive and polarization-insensitive metalens

Nanophotonics
Trapping and manipulating micro-objects and achieving high-precision measurements of tiny forces and displacements are of paramount importance in both physical and biological research.
Yang Dongni, Zhang Jianchao, Zhang Pengshuai, Liang Haowen, Ma Jie, Li Juntao, Wang Xue-Hua   +6 more
doaj   +1 more source

Optical Tweezers [PDF]

, 2020
Jing Liu, Zhi-Yuan Li
openaire   +2 more sources

Development of electromagnetic tweezers for single-molecule energetics of kinesin

Biophysics and Physicobiology
Optical tweezers have enabled single-molecule measurements of kinesin mechanics and energetics but face challenges for in vivo applications due to photothermal effects and refractive-index-dependent force calibration.
Haruyuki Fukuzawa, Yuga Ihara, Masato Sawa, Hidekazu Shirai, Sawako Enoki, Keigo Ikezaki, Taketoshi Kambara, Yasushi Okada   +7 more
doaj   +1 more source

Optical Tweezers to Study Viruses

, 2013
A virus is a complex molecular machine that propagates by channeling its genetic information from cell to cell. Unlike macroscopic engines, it operates in a nanoscopic world under continuous thermal agitation. Viruses have developed efficient passive and active strategies to pack and release nucleic acids.
openaire   +4 more sources

Label-Free Continuous Cell Sorting Using Optofluidic Chip

Micromachines
In the field of biomedicine, efficiently and non-invasively isolating target cells has always been one of the core challenges. Optical fiber tweezers offer precise and non-invasive manipulation of cells within a medium and can be easily integrated with ...
Yingjie Zhang, Tao Zhang, Xinchun Zhang, Jingmeng Cheng, Sixiang Zhang   +4 more
doaj   +1 more source

Comparing Femtosecond Optical Tweezers with Conventional CW Optical Tweezers

In this work, we present a comparative study between continuous-wave (CW) and pulsed optical tweezers for 250 nm, 500 nm and 1-micron radius polystyrene beads at 5 different laser powers. We have used a Ti:Sapphire (MIRA 900F) laser that can be easily switched from CW to pulsed mode of operation, so there is no change in the experimental conditions in ...
Singh, Ajitesh, Singh, Krishna Kant, Kumar, Deepak, Goswami, Debabrata   +3 more
openaire   +2 more sources

Real-Time Probing of Molecular Affinity Using Optical Tweezers. [PDF]

Sensors (Basel)
Teixeira J, Ribeiro JA, Monteiro M, Silva NA, Jorge PAS.   +4 more
europepmc   +1 more source