نوع مقاله : مقاله پژوهشی کامل
نویسنده
چکیده
در این پژوهش، یک نانوکامپوزیت دو جزئی از اکسیدهای فلز واسطه ، متشکل از اکسید نیکل/کبالت، به روش هیدروترمال سنتز و مورد شناسایی قرار گرفت. این ماده سپس برای اصلاح یک الکترود گرافیتی مغز مداد به کار رفت. حسگر حاصل، عملکرد و پایداری چشمگیری در اندازه گیری مقادیر جزئی باقیمانده یک آفتکش اورگانوفسفره در تعدادی نمونه واقعی از خود نشان داد. با استفاده از الکترود مدادی ساختهشده از این ماده به صورت ترکیبشده با اکسید گرافن، محدوده خطی وسیعی از غلظت و همچنین حد تشخیص بسیار پایینی (۲۱ نانومولار) با موفقیت به دست آمد. همچنین این حسگر الکتروشیمایی توانست پایداری و تکرار پذیری خوبی از خود نشان دهد. در مجموع با ساخت این حسگر ارزانقیمت می توان به نتایج امیدوار کننده ای برای سنجش آفت کش ارگانوفسفره کلرپریفوس دست یافت.
کلیدواژهها
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