Results 221 to 230 of about 10,645 (268)

A flexible automated magnetic microrobot assembly system. [PDF]

J Microbio Robot
Shindell OJ, Davis AC, Cappelleri DJ.
europepmc   +1 more source

Insights from single-molecule force spectroscopy into chromatin topology. [PDF]

Biophys Rev
Daris LJC, Eeftens JM.
europepmc   +1 more source

Direct evidence and quantification of homologous recognition between DNA duplexes. [PDF]

Proc Natl Acad Sci U S A
Stannard A, Haimov E, Hedley JG, Xiao Y, Di Antonio M, Oshanin G, Danilowicz C, Prentiss M, Di Michele L, Kornyshev AA.   +9 more
europepmc   +1 more source

Magnetic Tweezers with Magnetic Thin Films

Japanese Journal of Applied Physics, 2011
Magnetic tweezers consisting of a 75×0.65×0.3 µm3 silicon oxide cantilever and a 72×13×0.3 µm3 silicon oxide plate deposited with magnetic thin films are fabricated and placed under various magnetic fields to observe their flexure. The principle of the magnetic tweezers is magnetic torque on condition that the high shape magnetic anisotropy is ...
Yi-Ping Hsieh, Zung-Hang Wei
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Recent Advances in Magnetic Tweezers

Annual Review of Biophysics, 2012
Since their first demonstration of manipulation and mechanical coiling of a single DNA molecule, magnetic tweezers have become a popular and widely used single-molecule manipulation technique. Magnetic tweezers have yielded a wealth of information on the elastic properties of (coiled) DNA and have provided critical insights into the dynamic activity ...
Iwijn De Vlaminck, Cees Dekker
exaly   +3 more sources

New approaches in the design of magnetic tweezers–current magnetic tweezers

Journal of Magnetism and Magnetic Materials, 2016
Abstract The main advantages of the magnetic tweezers are the low price and simplicity of use. However the range of their application is reduced due to shortcomings like, for example, the remanent induction of the core and interaction between ferromagnetic cores.
N S Perov, Valeria Rodionova
exaly   +2 more sources

Soft magnetic tweezers: A proof of principle

Review of Scientific Instruments, 2011
We present here the principle of soft magnetic tweezers which improve the traditional magnetic tweezers allowing the simultaneous application and measurement of an arbitrary torque to a deoxyribonucleic acid (DNA) molecule. They take advantage of a nonlinear coupling regime that appears when a fast rotating magnetic field is applied to a ...
Jean-François Allemand, Vincent Croquette, Croquette Vincent   +2 more
exaly   +3 more sources

Controlled patterning of magnetic hydrogel microfibers under magnetic tweezers

2013 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2013
3D tailor-made biodegradable scaffold integrated with biological cells or molecules is of great importance for tissue engineering. This paper addresses an improved method for exploring magnetic tweezers in patterning and aligning magnetic hydrogel fiber to fabricate large-scale engineered cell-hydrogel constructs.
Chengzhi Hu, Masahiro Nakajima, Tao Yue 0001, Yajing Shen, Toshio Fukuda, Fumihito Arai, Minoru Seki   +6 more
openaire   +2 more sources

Magnetic nanowire-enhanced optomagnetic tweezers

Applied Physics Letters, 2008
We report an optomagnetic tweezers technique that utilizes the highly localized magnetic field gradients induced near the tip of a magnetic nanowire to provide strong trapping forces on magnetic nanoparticles with high spatial resolution. Integral to our approach is a method to trap, translate, and rotate a single magnetic nanowire in three dimensions.
Ting-Hsiang Wu, Mehta Karan K
exaly   +2 more sources

Highly Parallel Magnetic Tweezers by Targeted DNA Tethering

Nano Letters, 2011
Single-molecule force-spectroscopy methods such as magnetic and optical tweezers have emerged as powerful tools for the detailed study of biomechanical aspects of DNA-enzyme interactions.
Iwijn De Vlaminck, Indriati Pfeiffer, Julius Huijts   +2 more
exaly   +2 more sources