• survivability and abiotic reactions of selected amino acids in different hydrothermal system simulators

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 1196
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     we tested the stability and reaction of several amino acids using hydrothermal system simulators: an autoclave and two kinds of flow reactors at 200–250 °c. this study generally showed that there is a variation in the individual amino acids survivability in the simulators. this is mainly attributed to the following factors; heat time, cold quenching exposure, metal ions and also silica. we observed that, in a rapid heating flow reactor, high aggregation and/or condensation of amino acids could occur even during a heat exposure of 2 min. we also monitored their stability in a reflow-type of simulator for 120 min at 20 min intervals. the non-hydrolyzed and hydrolyzed samples for this system showed a similar degradation only in the absence of metal ions.

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