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Relevant bibliographies by topics / Magnetic microrheology

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Journal articles

Academic literature on the topic 'Magnetic microrheology'

Author: Grafiati

Published: 18 May 2024

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Journal articles on the topic "Magnetic microrheology"

1

Peredo-Ortíz, R., and M. Hernández-Contreras. "Diffusion microrheology of ferrofluids." Revista Mexicana de Física 64, no. 1 (2018): 82. http://dx.doi.org/10.31349/revmexfis.64.82.

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We provide a statistical mechanics approach to study the linear microrheology of thermally equilibrated and homogeneous ferrofluids. Theexpressions for the elastic and loss moduli depend on the bulk microstructure of the magnetic fluid determined by the structure factor of thesuspension of magnetic particles. The comparison of the predicted microrheology with computer simulations confirms that as a function ofrelaxation frequency of thermal fluctuations of the particle concentration both theory and simulations have the same trends. At very shortfrequencies the viscous modulus relates to the translational and rotational self-diffusion coefficients of a ferro-particle.

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2

Kim, Jin Chul, Myungeun Seo, Marc A. Hillmyer, and Lorraine F. Francis. "Magnetic Microrheology of Block Copolymer Solutions." ACS Applied Materials & Interfaces 5, no. 22 (2013): 11877–83. http://dx.doi.org/10.1021/am403569f.

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3

Wang, Hanqing, Tomaž Mohorič, Xianren Zhang, Jure Dobnikar, and Jürgen Horbach. "Active microrheology in two-dimensional magnetic networks." Soft Matter 15, no. 22 (2019): 4437–44. http://dx.doi.org/10.1039/c9sm00085b.

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We study active microrheology in 2D with Langevin simulations of tracer particles pulled through magnetic networks by a constant force. While non-magnetic tracers strongly deform the network in order to be able to move through, the magnetic tracers can do so by deforming the structure only slightly.

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4

Brasovs, Artis, Jānis Cīmurs, Kaspars Ērglis, Andris Zeltins, Jean-Francois Berret, and Andrejs Cēbers. "Magnetic microrods as a tool for microrheology." Soft Matter 11, no. 13 (2015): 2563–69. http://dx.doi.org/10.1039/c4sm02454k.

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The protocol of microrheological measurements consists of recording the dynamics of the orientation of the rod when the magnetic field is applied at an angle to the rod and observing its relaxation after the field is switched off.

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5

Raikher, Yu L., and V. V. Rusakov. "Magnetic rotary microrheology in a Maxwell fluid." Journal of Magnetism and Magnetic Materials 300, no. 1 (2006): e229-e233. http://dx.doi.org/10.1016/j.jmmm.2005.10.086.

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6

Berezney, John P., and Megan T. Valentine. "A compact rotary magnetic tweezers device for dynamic material analysis." Review of Scientific Instruments 93, no. 9 (2022): 093701. http://dx.doi.org/10.1063/5.0090199.

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Here we present a new, compact magnetic tweezers design that enables precise application of a wide range of dynamic forces to soft materials without the need to raise or lower the magnet height above the sample. This is achieved through the controlled rotation of the permanent magnet array with respect to the fixed symmetry axis defined by a custom-built iron yoke. These design improvements increase the portability of the device and can be implemented within existing microscope setups without the need for extensive modification of the sample holders or light path. This device is particularly well-suited to active microrheology measurements using either creep analysis, in which a step force is applied to a micron-sized magnetic particle that is embedded in a complex fluid, or oscillatory microrheology, in which the particle is driven with a periodic waveform of controlled amplitude and frequency. In both cases, the motions of the particle are measured and analyzed to determine the local dynamic mechanical properties of the material.

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7

Radiom, Milad, Romain Hénault, Salma Mani, Aline Grein Iankovski, Xavier Norel, and Jean-François Berret. "Magnetic wire active microrheology of human respiratory mucus." Soft Matter 17, no. 32 (2021): 7585–95. http://dx.doi.org/10.1039/d1sm00512j.

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Micrometer-sized magnetic wires are used to study the mechanical properties of human mucus collected after surgery. Our work shows that mucus has the property of a high viscosity gel characterized by large spatial viscoelastic heterogeneities.

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8

Liu, Wei, Xiangjun Gong, To Ngai, and Chi Wu. "Near-surface microrheology reveals dynamics and viscoelasticity of soft matter." Soft Matter 14, no. 48 (2018): 9764–76. http://dx.doi.org/10.1039/c8sm01886c.

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We report the development of a microrheology technique that incorporates a magnetic-field-induced simulator on total internal reflection microscopy (TIRM) to probe the near-surface dynamics and viscoelastic behaviors of soft matter like polymer solution/gels and colloidal dispersions.

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9

Preece, Daryl, Rebecca Warren, R. M. L. Evans, et al. "Optical tweezers: wideband microrheology." Journal of Optics 13, no. 4 (2011): 044022. http://dx.doi.org/10.1088/2040-8978/13/4/044022.

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10

Berret, Jean François. "Microrheology of viscoelastic solutions studied by magnetic rotational spectroscopy." International Journal of Nanotechnology 13, no. 8/9 (2016): 597. http://dx.doi.org/10.1504/ijnt.2016.079661.

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