Modern Phytomorphology

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Alireza Iranbakhsh

Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran


  • Research Article   
    Study the mercury biosorption by unicellular diatom Nitzschia capitellata Hustedt
    Author(s): Ali Naseri*, Sara Saadatmand, Mostafa Norozi, Younes Asri and Alireza Iranbakhsh

    Present study was conducted to investigate the ability of Nitzschia capitellata in accumulation of heavy metal, together with investigating the concentration of the heavy metals absorbed by N. capitellata. The diatom samples of the study collected from Taleghan River in the west of Alborz Province, Iran. The isolated and purified diatom was transferred to the liquid culture medium (F/2) and Mercury test concentrations were 90, 285 and 300 μg/L of HgCl2 in three replications. Cold Atomic Absorption Spectrometry method was used to measure mercury concentration.  The precipitation of 30 ml of diatoms’ culture with cell density of 350 × 103 cell/cm2 was added to each mercury concentration. After inoculation, the DTE 0.01 molL-1 solution was used to separate the mercury bonded to the cell wall. The N. capitellata cells were killed when t.. Read More»
    DOI: 10.5281/zenodo.5077883

    Abstract HTML PDF

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