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  • Open Access

    ARTICLE

    Taxus globosa S. cell lines: Initiation, selection and characterization in terms of growth, and of baccatin III and paclitaxel production

    DULCE MA. BARRADAS-DERMITZ1,*, PATRICIA M. HAYWARD-JONES2, MARTÍN MATA-ROSAS3, BEATRIZ PALMEROSSÁNCHEZ2, OSCAR B. J. PLATAS-BARRADAS4, RODOLFO F. VELÁSQUEZ-TOLEDO2

    BIOCELL, Vol.34, No.1, pp. 1-6, 2010, DOI:10.32604/biocell.2010.34.001

    Abstract Of the initial six cell lines originating from explants of Taxus globosa, or Mexican yew (stem internode, leaves and meristematic tissue), three were selected for their microbial and oxidation resistance, two from leaves and the other from stem internode. A study of their behavior, both in terms of cell growth, and of baccatin III and paclitaxel production, was developed in suspension cultures with an initially standardized biomass (fresh weight 0.23 g/L) using modified Gamborg’s B5 medium, and an elicitor (methyl jasmonate), on either the first or seventh day of culture, at several levels (0, 0.1, 1, More >

  • Open Access

    ARTICLE

    Towards an Analysis of Shear Suspension Flows Using Radial Basis Functions

    K. Le-Cao1, N. Mai-Duy1, C.-D. Tran1, T. Tran-Cong1

    CMES-Computer Modeling in Engineering & Sciences, Vol.67, No.3, pp. 265-294, 2010, DOI:10.3970/cmes.2010.067.265

    Abstract In this paper, radial basis functions are utilised for numerical prediction of the bulk properties of particulate suspensions under simple shear conditions. The suspending fluid is Newtonian and the suspended particles are rigid. Results obtained are compared well with those based on finite elements in the literature. More >

  • Open Access

    ABSTRACT

    A Hybrid Damper and Its Application for Semi-Active Control of Vehicle Suspension System

    Y.W. Yun, M.K. Park

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.9, No.1, pp. 25-26, 2009, DOI:10.3970/icces.2009.009.025

    Abstract This paper presents a semi-active control of vehicle suspension system with a hybrid damper. This damper consists of a conventional oil damper and magnetorheological fluidic (MRF) accumulator, which comprises gas accumulator and MRF device. The shaft of MRF device, fitted to in series the side of gas accumulator, is connected with a floating piston that divided into gas chamber and oil chamber. During the oil damper piston motion, the floating piston also behaves in the same direction of piston and the pressure of gas chamber varies. MRF accumulator will provides a force to the damper… More >

  • Open Access

    ARTICLE

    Block Stratification of Sedimenting Granular Matter in a Vessel due to Vertical Vibrations

    V.G. Kozlov1,2, A.A. Ivanova3, P. Evesque1

    FDMP-Fluid Dynamics & Materials Processing, Vol.2, No.3, pp. 203-210, 2006, DOI:10.3970/fdmp.2006.002.203

    Abstract Sedimentation of granular matter in a vertical channel filled with a viscous liquid and subject to longitudinal translational vibration is studied, starting froma compact suspension. A new vibrational effect is foundexperimentally and described theoretically; it is the formation of blocks (with a relatively high density) of sedimenting granular matter with stable lower and upper horizontal demarcations and a sharp density discontinuity. Owing to this phenomenon the sedimentation velocity of such granular matter is reduced. A new theoreticalmodel based on viscous vibrational particle interactionin the limit of concentrated suspensions is elaborated, assuming particle-particle attraction in direction More >

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