Results 151 to 160 of about 617 (165)
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Reconstitution of Metachronal Waves in Ciliated Cortical Sheets of Paramecium: I. Wave Stabilities
Journal of Experimental Biology, 1994ABSTRACT We reconstituted metachronal waves on ciliated cortical sheets prepared from detergent-extracted Paramecium multimicronucleatum cells. Ciliary movements of the cortical sheet, whose intracellular side adhered to a glass coverslip, were reactivated by perfusion of a basic reactivation medium containing ATP. In this condition, the
, Okamoto, , Nakaoka
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Metachronal Wave of Cilia Transport in a Curved Channel
Zeitschrift für Naturforschung A, 2015Abstract In this article, the mechanism of cilia-induced flow is discussed through a mathematical model. In this analysis two-dimensional flow of a viscous fluid is observed in a curved channel with ciliated walls. The features of ciliary structures are determined by the dominance of viscous effects over inertial effects using the long ...
Sohail Nadeem, Hina Sadaf
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Direct measurement of directional disorder for ciliary metachronal wave
2001 Conference Proceedings of the 23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2005The interrelationship of cilia and the directional disorder of the ciliary metachronal wave were analyzed using digital microscopic images. The degree of synchronization between ciliary beats was determined by the correlation. factor between two different spots. Principal axes of inertia were applied to find out the uniphase directions of beating cilia.
W.J. Yi, K.S. Park, C.H. Lee, C.S. Rhee
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Directional disorder of ciliary metachronal waves using two-dimensional correlation map
IEEE Transactions on Biomedical Engineering, 2002The interrelationship of cilia and the order of wave directions are important factors that determine the effectiveness of cilia to transport materials in mucociliary systems of the respiratory tract. The interrelationship of cilia and the directional disorder of ciliary metachronal wave were analyzed using digital microscopic images.
Won-Jin, Yi +4 more
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Ciliary metachronal wave propagation on the compliant surface of Paramecium cells
Cytoskeleton, 2015Ciliary movements in protozoa exhibit metachronal wave‐like coordination, in which a constant phase difference is maintained between adjacent cilia. It is at present generally thought that metachronal waves require hydrodynamic coupling between adjacent cilia and the extracellular fluid.
Naoki, Narematsu +3 more
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Development of Micro Pump Using Magnetic Artificial Cilia with Metachronal Wave
2020 IEEE 33rd International Conference on Micro Electro Mechanical Systems (MEMS), 2020Our study aims to realize artificial cilia with metachronal wave and to apply them to a micro pump. Metachronal wave is a typical motion observed in natural cilia motion of living organisms. To clarify the characteristics of fluid transport by metachronal waves, we fabricated two modes of artificial cilia that form symplectic and antiplectic ...
Hayato Shinoda, Fujio Tsumori
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Characterization of metachronal wave in beating cilia: Distribution of phases in space
Biorheology, 1989We have examined phase differences between beating cilia measured in different directions on the surface. The measurements were performed on tissue cultures taken from frog palate epithelium. This experiment was based on a method developed earlier, which measures simultaneously scattered light from two different and relatively small areas.
D, Ovadyahu, Z, Priel
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Dynamics of a magnetically rotated micro swimmer inspired by paramecium metachronal wave
Progress in Biophysics and Molecular Biology, 2019In the past few years, a significant body of research has been devoted to designing magnetic micron scale robotic systems for minimally invasive medicine. The motion of different microorganisms is the nature's solution for efficient propulsion of these swimmers.
Ali, Nematollahisarvestani +1 more
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Cell Motility, 1990
AbstractA mathematical model is proposed to explain the dependence of the direction and the length of the metachronal wave on parameters that characterize the ciliary beat, the dimensions of the cilia, and the geometry of their arrangement on the ciliated surface.
L, Gheber, Z, Priel
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AbstractA mathematical model is proposed to explain the dependence of the direction and the length of the metachronal wave on parameters that characterize the ciliary beat, the dimensions of the cilia, and the geometry of their arrangement on the ciliated surface.
L, Gheber, Z, Priel
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Metachronal wave of artificial cilia array actuated by applied magnetic field
Japanese Journal of Applied Physics, 2016Abstract In this paper, a biomimetic microstructure related to cilia, which are effective fluidic and conveying systems in nature, is described. Authors have already reported that a magnetic elastomer pillar actuated by a rotating magnetic field can work like a natural cilium. In the present work, we show examples of a cilia array with a
Fujio Tsumori +5 more
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