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Radu E. Sestraş

  1. Distribution fitting 12. Sampling distribution of compounds abundance from plant species measured by instrumentation. Application to plants metabolism classification.

    Mon, 06/27/2011 - 15:01 — SomNambul
    Authors: Radu E. Sestraş, Lorentz Jätschi, Sorana D. Bolboacă
    Subjects: Applications
    Abstract

    A series of ten plant species belonging to Magnoliopsida - Dicotyledons class
    were analyzed in terms of chemical compounds distribution of abundance,
    starting from the assumption that these distributions should give a picture of
    similarities and differences between plants metabolism. From a pool of
    theoretical distributions, log-normal distribution was selected giving the best
    accuracy with the modeled phenomena and agreement with the observed data.

  2. Distribution fitting 13. Analysis of independent, multiplicative effect of factors. Application to effect of essential oils extracts from plant species on bacterial species. Application to factors of antibacterial activity of plant species.

    Mon, 06/13/2011 - 15:01 — SomNambul
    Authors: Lorentz Jäntschi, Sorana D. Bolboac{\ba}, Mugur C. B{\ba}lan, Radu E. Sestraş
    Subjects: Methodology
    Abstract

    A factor effect study was conducted on a set of observations at the
    contingency of a series of plant species and bacteria species regarding the
    antibacterial activity of essential oil extracts. The study reveals a very good
    agreement between the observations and the hypothesis of independent and
    multiplicative effect of plant and bacteria species factors on the
    antibacterial activity. Shaping of the observable to a Negative Binomial
    distribution allowed the separation of two convoluted Gamma distributions in
    the observable further assigned to the distribution of factors.

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