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مطالعه برخی پاسخ های بیوشیمیایی و فیزیولوژیکی Hydrocotyle vulgarisدر جریان تیمار با نوعی آلاینده آلی: بررسی کارایی گیاه در پالایش سبز با تغییرات محیطی | ||
| زیست شناسی کاربردی | ||
| مقاله 2، دوره 31، شماره 2 - شماره پیاپی 56، شهریور 1397، صفحه 23-41 اصل مقاله (1.71 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22051/jab.2017.9476.1051 | ||
| نویسنده | ||
| سمانه تربتی* | ||
| استادیار، گروه علوم محیط زیست، پژوهشکده مطالعات دریاچه ارومیه، دانشگاه ارومیه، ارومیه | ||
| چکیده | ||
| گیاه پالایی نوعی تکنولوژی موثر و کم هزینه می باشد که از طریق بکارگیری گیاهان، آلاینده ها از جمله پساب های رنگی را از محیط حذف مینماید. در این مطالعه توانایی گیاه آب بشقاب (Hydrocotyle vulgaris) در تجزیه زیستی ماده رنگزای مالاکیت سبز ارزیابی گردید. نتایج نشان دادند که قابلیت گیاه در رنگزدایی مالاکیت سبز بیش از 90 درصد میباشد. همچنین توانایی بالای گیاه در حذف متوالی مالاکیت سبز در دوره طولانی از آزمایشات تکراری، فرایند تجزیه زیستی این آلاینده توسط گیاه را تایید کرد. برخی پاسخ های بیوشیمیایی و فیزیولوژیکی گیاه تیمار شده با غلظتهای مختلف از آلاینده مطالعه گردید و نتایج نشان داد که افزایش در غلظت ماده رنگزا میتواند به افزایش قابل توجه فعالیت آنزیم های سوپر اکسید دیسموتاز و پراکسیداز منجر گردد که تایید کننده نقش مهم این دو آنزیم در سازگاری گیاه به حضور مالاکیت سبز در محیط میباشد. بعلاوه مشخص گردید که افزایش در وزن توده گیاهی، دما و pH میتواند به افزایش کارایی رنگزدایی منجر گردد. در نقطه مقابل، افزایش در غلظت اولیه ماده رنگزا منجر به افزایش نسبت C/C0 گردید. | ||
| کلیدواژه‌ها | ||
| آنزیم‌های آنتی اکسیدان؛ رنگزدایی؛ گیاه آب بشقاب؛ گیاه پالایی؛ مالاکیت سبز | ||
| عنوان مقاله [English] | ||
| Study of some biochemical and physiological responses of Hydrocotyle vulgaris during treatment by an organic pollutant: investigation of the plant efficiency in green remediation with environmental changes | ||
| نویسندگان [English] | ||
| samaneh torbati | ||
| Urmia UniversityAssistant Professor, Department of Environmental Science, Urmia Lake Research Institute, Urmia University, Urmia | ||
| چکیده [English] | ||
| Phytoremediation is a low-cost and effective technology that removes pollutants, such as dye-containing effluents, from the environment through the use of plants. In the present study, the potential of Hydrocotyle vulgaris L. in biodegradation of malachite green dye was evaluated. The results revealed that the plant capability in decolorization of the dye is as high as 90%. Moreover, high ability of the plant in consecutive removal in long term repetitive experiments confirmed the dye biodegradation by the plant. Some biochemical and physiological responses of the plant treated with different concentrations of the contaminant were studied and the results showed that increasing in the dye concentration could lead to the notable increase in the activities of superoide dismutase and peoxidase enzymes, confirming important role of these two enzymes in plant adaptation to existence of malachite green in the environment. Additionally, it was found that enhance in plant biomass, temperature and pH could lead to the increase in decolorization efficiency. In contrast, increasing in the dye initial concentration led to the increase of C/C. | ||
| کلیدواژه‌ها [English] | ||
| antioxidant enzymes, Decolorization, Hydrocotyle vulgaris, Malachite green, Phytoremediation | ||
| مراجع | ||
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