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بررسی نانوساختارهای گرافن و سیلیسین–DNA بهعنوان حسگر DNA | ||
پژوهش سیستم های بس ذره ای | ||
مقاله 1، دوره 10، شماره 2 - شماره پیاپی 25، شهریور 1399، صفحه 1-12 اصل مقاله (555.91 K) | ||
نوع مقاله: مقاله پژوهشی کامل | ||
شناسه دیجیتال (DOI): 10.22055/jrmbs.2020.15567 | ||
نویسندگان | ||
سعیده محمدی1؛ محمد اسماعیل پور* 1؛ فرهاد خوئینی2 | ||
1گروه فیزیک، دانشگاه شهید مدنی آذربایجان، تبریز، ایران | ||
2گروه فیزیک، دانشگاه زنجان، زنجان، ایران | ||
چکیده | ||
در این مقاله ترابرد الکتریکی نانوساختارهای گرافن و سیلیسین متصل شده به دو الکترود نیمه بینهایت نانونوار گرافن و سیلیسین بررسی شده است. در این ساختارها نانوحفره ایجاد کرده ومولکول DNA را از نانو حفره عبور دادیم. با استفاده از روش تابع گرین و تقریب تنگبست، دو نوع سامانه با لبههای زیگزاگ در گرافن و سیلیسین مورد بررسی قرار گرفته است. با اتصال نانونوارها به الکترودهای فلزی جریان ایجاد شده از سمت چپ به راست از نانوحفره و DNA عبور میکند. این عبور جریان الکتریکی باعث افزایش حساسیت سیستم به بازهای آلی DNA میشود. ما یک طرح جدید برای تعیین توالی DNA ارائه نمودیم. | ||
کلیدواژهها | ||
نانونوار گرافنی و سیلیسینی؛ مولکول DNA؛ ویژگیهای الکتریکی؛ روش تابع گرین | ||
مراجع | ||
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