fa ساخت نانو حسگر الکتروشیمیایی بر پایه نانوذرات MnOx / پلی(آلیزارین یلو آر) برای پایش هیدروکینون به‌عنوان یک آلاینده بالقوه خطرناک برای سلامت مهندسی بهداشت محیط Environmental Health Engineering پژوهشي اصیل Original Research <span style="font-size:12pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span style="line-height:115%"><span style="font-family:Calibri,sans-serif"><b><span b="" lang="AR-SA" style="font-family:" zar=""><span style="color:black">زمینه و هدف</span></span></b><b><span dir="LTR" style="font-family:BNazaninBold"><span style="color:black">:</span></span></b><span b="" lang="AR-SA" style="font-family:" zar="">در این مطالعه، یک روش الکتروشیمیایی جدید برای تعیین هیدروکینون</span> (<span dir="LTR" new="" roman="" style="font-family:" times="">HQ</span>)<span b="" lang="AR-SA" style="font-family:" zar="">، به‌عنوان یک ماده شیمیایی پرکاربرد در داروسازی، رنگ، عکاسی، پلیمر و لوازم آرایشی و در عین حال آلاینده محیط‌زیست، در محلول‌های آبی پیشنهاد شد.</span></span></span></span></span></span><br> <span style="font-size:12pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span style="line-height:115%"><span style="font-family:Calibri,sans-serif"><b><span b="" lang="AR-SA" style="font-family:" zar=""><span style="color:black">مواد و روش ها</span></span></b><b> </b>:<span b="" lang="AR-SA" style="font-family:" zar=""> برای ساخت نانوحسگر، ابتدا الکترود کربن شیشه‌ای</span> (<span dir="LTR" new="" roman="" style="font-family:" times="">GCE</span>) <span b="" lang="AR-SA" style="font-family:" zar="">با نانوذرات اکسید منگنز اکسید</span> (<span dir="LTR" new="" roman="" style="font-family:" times="">MnOx NPs</span>) <span b="" lang="AR-SA" style="font-family:" zar="">و پلیمر آلیزارین زرد</span> <span dir="LTR" new="" roman="" style="font-family:" times="">R</span> (<span dir="LTR" new="" roman="" style="font-family:" times="">PAYR</span>) <span b="" lang="AR-SA" style="font-family:" zar="">اصلاح شد. به‌منظور مشخصه‌یابی الکترود اصلاح‌شده، از میکروسکوپ الکترونی روبشی</span> (<span dir="LTR" new="" roman="" style="font-family:" times="">SEM</span>)<span b="" style="font-family:" zar=""> استفاده شد. ویژگی‌های الکتروشیمیایی هیدروکینون در محدوده</span> <span dir="LTR" new="" roman="" style="font-family:" times="">pH</span> <span lang="AR-SA" new="" roman="" style="font-family:" times="">4</span> <span b="" lang="AR-SA" style="font-family:" zar="">تا </span><span lang="AR-SA" new="" roman="" style="font-family:" times="">9</span><span b="" lang="AR-SA" style="font-family:" zar=""> با استفاده از الکترود پیشنهادی مورد بررسی قرار گرفت. به‌منظور ارزیابی ویژگی‌های اکسیداسیون الکتروکاتالیستی این حسگر، از ولتامتری چرخه‌ای</span> (<span dir="LTR" new="" roman="" style="font-family:" times="">CV</span>) <span b="" lang="AR-SA" style="font-family:" zar="">و ولتامتری پالس تفاضلی</span> <span dir="LTR" new="" roman="" style="font-family:" times="">(DPV</span>) <span b="" lang="AR-SA" style="font-family:" zar="">استفاده شد</span>.</span></span></span></span></span><br> <span style="font-size:12pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span style="line-height:115%"><span style="font-family:Calibri,sans-serif"><b><span b="" lang="AR-SA" style="font-family:" zar=""><span style="color:black">یافته ها:</span></span></b><b> </b><span b="" lang="AR-SA" style="font-family:" zar=""><span style="color:black">با استفاده از روش ولتامتری چرخه‌ای، محدوده خطی </span></span><span dir="LTR" style="color:black">&nbsp;5 </span><span b="" lang="AR-SA" style="font-family:" zar=""><span style="color:black">تا </span></span><span dir="LTR" style="color:black">2100</span><span b="" lang="AR-SA" style="font-family:" zar=""><span style="color:black"> میکرومولار</span></span><span dir="LTR" style="color:black"> (&micro;M) </span><span b="" lang="AR-SA" style="font-family:" zar=""><span style="color:black">و حد تشخیص </span></span><span dir="LTR" style="color:black">2 </span><span b="" lang="AR-SA" style="font-family:" zar=""><span style="color:black">&nbsp;میکرومولار برای پیک اکسیداسیون در پتانسیل </span></span>&nbsp;<span dir="LTR" style="color:black">0.15 </span><span b="" lang="AR-SA" style="font-family:" zar=""><span style="color:black">ولت به دست آمد. علاوه بر این، با استفاده از تکنیک</span></span> <span dir="LTR" new="" roman="" style="font-family:" times=""><span style="color:black">DPV</span></span><span b="" lang="AR-SA" style="font-family:" zar=""><span style="color:black">، محدوده خطی </span></span><span dir="LTR" style="color:black">1 </span><span b="" lang="AR-SA" style="font-family:" zar=""><span style="color:black">تا </span></span><span dir="LTR" style="color:black">1900</span><span b="" lang="AR-SA" style="font-family:" zar=""><span style="color:black"> میکرومولار و حد تشخیص </span></span><span dir="LTR" style="color:black">&nbsp;0.2 &nbsp;</span><span b="" lang="AR-SA" style="font-family:" zar=""><span style="color:black">میکرومولار حاصل شد.</span></span></span></span></span></span></span><br> <span style="font-size:12pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span style="line-height:115%"><span style="font-family:Calibri,sans-serif"><b><span b="" lang="AR-SA" style="font-family:" zar=""><span style="color:black">نتایج:</span></span></b><span b="" lang="AR-SA" style="font-family:" zar=""> &nbsp;نتایج نشان داد که الکترود اصلاح‌شده در </span>&nbsp;<span dir="LTR" new="" roman="" style="font-family:" times="">pH = 7 </span><span b="" lang="AR-SA" style="font-family:" zar="">دارای حد تشخیص پایین، محدوده خطی گسترده و تکرارپذیری مناسبی برای اندازه‌گیری</span> <span dir="LTR" new="" roman="" style="font-family:" times="">HQ</span> <span b="" lang="AR-SA" style="font-family:" zar="">است. همچنین، این الکترود با موفقیت برای آنالیز هیدروکینون در نمونه‌های آب واقعی مورد استفاده قرار گرفت</span>.<span lang="AR-SA" style="font-family:"B Zar""></span></span></span></span></span></span><br> <span style="font-size:12pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span style="line-height:115%"><span style="font-family:Calibri,sans-serif"><span lang="AR-SA" style="font-family:"B Zar""></span></span></span></span></span></span><br> &nbsp; <span style="font-size:12pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span new="" roman="" style="font-family:" times="">Background and Objective:</span></b> <span new="" roman="" style="font-family:" times="">In this study, a novel electrochemical method was proposed for the determination of hydroquinone (HQ) in aqueous solutions. HQ is a widely used chemical compound in the pharmaceutical, dye, photographic, polymer, and cosmetic industries, while it is also considered an important environmental pollutant.</span></span></span></span><br> <span style="font-size:12pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span new="" roman="" style="font-family:" times="">Materials and Methods</span></b><span new="" roman="" style="font-family:" times="">: To fabricate the nanosensor, a glassy carbon electrode (GCE) was initially modified with manganese oxide nanoparticles (MnOx NPs) and poly(alizarin yellow R) (PAYR). The modified electrode w:::as char:::acterized using scanning electron microscopy (SEM), and electrochemical impedance spectroscopy (EIS). The electrochemical behavior of hydroquinone was investigated over a pH range of 4&ndash;9 using the proposed electrode. Cyclic voltammetry (CV) and differential pulse voltammetry (DPV) were employed to evaluate the electrocatalytic oxidation behavior of the sensor.</span></span></span></span><br> <span style="font-size:12pt"><span new="" roman="" style="font-family:" times=""><b>Results:</b> Using cyclic voltammetry (CV), a linear range of 5 to 2100 &micro;M and a detection limit of 2 &micro;M were obtained for the oxidation peak at a potential of 0.15 V. In addition, using differential pulse voltammetry (DPV), a linear range of 1 to 1900 &micro;M and a detection limit of 0.2 &micro;M were obtained.</span></span><br> <span style="font-size:12pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span new="" roman="" style="font-family:" times="">Conclusion</span></b><span new="" roman="" style="font-family:" times="">: The results demonstrated that the modified electrode exhibited a low detection limit, a wide linear range, and good repeatability for the determination of HQ at pH 7. Furthermore, the proposed electrode was successfully applied to the determination of hydroquinone in real water samples.</span></span></span></span><br> &nbsp; هیدروکینون: نانو ذرات منگنز اکسید: پلیمر آلیزارین یلو آر: نانو سنسور: الکتروشیمی Hydroquinone, Manganese oxide nanoparticles, Poly (Alizarin Yellow R), Nano sensor, Electrochemistry 0 0 http://sjku.muk.ac.ir/browse.php?a_code=A-10-6479-1&slc_lang=fa&sid=1 Afshin Maleki افشین ملکی maleki43@yahoo.com 5400319475328460074913 5400319475328460074913 No Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran Nader Amini نادر امینی naderamini95@yahoo.com 5400319475328460074914 5400319475328460074914 Yes Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran Reza rezaee رضا رضایی razaee.engin@gmail.com 5400319475328460074915 5400319475328460074915 No Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran esmail ghahraani اسمعیل قهرمانی ghahramani64@gmail.com 5400319475328460074916 5400319475328460074916 No Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran mahdi safari مsafari.m.eng@gmail.comهدی صفری safari.m.eng@gmail.com 5400319475328460074917 5400319475328460074917 No Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran shadieh mohammadi شادیه محمدی shadiehmohammadi@yahoo.com 5400319475328460074918 5400319475328460074918 No Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran