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  1. No Access

    Article

    Dose rate determination of gamma rays emitted by Thallium-201 and technetium-99m using a modified horseradish peroxidase based biosensing system

    In the presence of low energy gamma emitter radioisotopes of thallium-201 (201T1) or technetium-99m (99mTc), H2O2 was generated via radiolysis of water. The produced H2O2 was amperometrically determined using an ...

    M. Shourian, H. Ghourchian, H.-A. Rafiee-Pour… in Journal of the Iranian Chemical Society (2010)

  2. No Access

    Article

    Mono-Enzyme Biosensor for the Detection of Organophosphorous Compounds

    Organophosphorous compounds are important neuroactive molecules whose presents significant analytical challenges. New monoenzyme biosensor introduced here, is used for the measurement of the level of two organ...

    H. Tavakoli, H. Ghourchian in Journal of the Iranian Chemical Society (2010)

  3. No Access

    Article

    Electrochemical investigation of the effect of some organic phosphates on haemoglobin

    The effects of DPG, IHP, GTP, GDP and GMP on the structure and stability of haemoglobin were electrochemically investigated with an iodide-modified silver electrode in 0.01 M KNO3 at pH 7.0. Anodic and cathodic p...

    S Rezaei-Zarchi, A A Saboury, H Ghourchian, J Hong, A Barzegar… in Journal of Biosciences (2007)

  4. No Access

    Article

    Distribution of heavy metals in Penaeus Semisulcatus from Persian Gulf and possible role of metallothionein in their redistribution during storage

    The study was conducted between January and December 2002. The main objective of this study was evaluation of effects of refrigerated storage duration on redistribution of three trace elements (Cd, Cu and Zn) ...

    N. Pourang, J. H. Dennis, H. Ghourchian in Environmental Monitoring and Assessment (2005)

  5. No Access

    Article

    Tissue Distribution and Redistribution of Trace Elements in Shrimp Species with the Emphasis on the Roles of Metallothionein

    This review is focused on distribution and redistribution of trace elements in various tissues of different shrimp species, especially genus Penaeus. The possible roles of metallothionein in this regard are empha...

    N. Pourang, J. H. Dennis, H. Ghourchian in Ecotoxicology (2004)

  6. No Access

    Article

    Electrochemical Evidence for the Molten Globule States of Cytochrome c Induced by N-Alkyl Sulfates at Low Concentrations

    The molten globule state (MG) of cytochrome c is the major intermediate of protein folding. The formation of MG state of cytochrome c is induced by n-alkyl sulfates such as sodium octyl sulfate (SOS), sodium dode...

    A. A. Moosavi-Movahedi, J. Chamani, H. Ghourchian… in Journal of Protein Chemistry (2003)