مروری بر روش‌های رنگ‌سنجی تشخیص میکروپلاستیک‌ها در محیط‌زیست

نوع مقاله : مقاله مروری

نویسندگان

1 کارشناسی، دانشکده مهندسی پلیمر، دانشگاه صنعتی امیر کبیر ، تهران، ایران، صندوق‌پستی: 4413-15875.

2 دانشیار، گروه مواد رنگزای آلی، پژوهشگاه رنگ، تهران ، ایران، صندوق‌پستی: 654-167654.

3 استادیار، دانشکده مهندسی پلیمر و رنگ، دانشگاه صنعتی امیرکبیر، تهران، ایران، صندوق‌پستی: 4413-15875.

چکیده

بر اساس یافته‌های جدید دانشمندان، سالانه میلیون‌ها تن زباله به جا مانده از مواد پلاستیکی وارد اقیانوس‌ها می شوند. انباشت، تجزیه و نفوذ به چرخه حیات و چرخه خوراک موجودات، تهدیدی جدی برای سلامت انسان‌ها و اکوسیستم جهانی است. تولید مواد پلاستیکی در سراسر جهان در سال‌های اخیر به نحو بسیار چشم گیری افزایش یافته است. هر ماده پلاستیکی که مورد مصرف قرار می گیرد و سپس به صورت زباله به طبیعت و دریاها وارد می شود ممکن است به قطعات بسیارریزی تقسیم شده و ‌محیط‌زیست را آلوده سازد. میکروپلاستیک‌ها به طور مستقیم، از طریق جریان فاضلاب و یا شیرابه محل دفن زباله‌ها به رودخانه‌ها و سپس دریا منتقل می‌شوند. میکرو پلاستیک‌ها به خاطر اندازه کوچکشان به طور زیستی در دسترس ارگانیسم‌ها قرار می‌گیرند. ترکیب و سطح نسبتا وسیعشان آن‌ها را به یک محل مناسب برای جذب آلاینده‌های آلی تبدیل کرده است.  در این مقاله، ویژگی‌ها، منابع تولید، راه‌های ورود و تاثیرات آن بر ‌محیط‌زیست معرفی و روش‌های شناسایی -آنالیز این ذرات بررسی شده است. در بین روشهای بصری، روش نوین شناسایی کیفی و کمی میکرو پلاستیکها با استفاده از رنگ سنجی وبا کمک مواد رنگزای فلورسنس مورد توجه قرار گرفته است.با استفاده از رنگ سنجی وبا کمک مواد رنگزای فلورسنس مورد توجه قرار گرفته است.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

A Review of Colorimetric Methods for Microplastic Detection in the Environment

نویسندگان [English]

  • kimiya Rastgou Moghadam 1
  • Shohre Rouhani 2
  • Saeideh Gorji Kandi 3
1 Polymer Engineering Department, Amirkabir University of Technology, P. O. Box: 4413-15875, Tehran, Iran.
2 Organic Colorants Department, Institute for Color Science and Technology, P. O. Box: 16765-654, Tehran, Iran.
3 Polymer and Color Engineering Department, Amirkabir University of Technology, P. O. Box: 4413-15875,Tehran, Iran.
چکیده [English]

According to the new findings of scientists, millions of tons of waste from plastic materials enter the oceans every year. Accumulation, decomposition, and penetration into organisms' life cycle and feed cycle pose a serious threat to the health of humans and the global ecosystem. The production of plastic materials worldwide has increased dramatically in recent years. Any plastic material that is consumed and then enters nature and seas as waste may be divided into many pieces and pollute the environment. Microplastics are directly transferred to the rivers and the sea through sewage or landfill leachate. Microplastics are bioavailable to organisms due to their small size. Their composition and relatively wide surface have made them suitable for absorbing organic pollutants. This article investigates the characteristics, sources of production, ways of entering and its effects on the environment, introduction and identification-analysis methods of these particles. Among the visual methods, the new method of qualitative and quantitative identification of microplastics using colorimetry with the help of fluorescent dyes has been noticed.

کلیدواژه‌ها [English]

  • Microplastics
  • Environment
  • Colorimetric method
  • Fluorescent
  • Analysis
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