کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
870225 909856 2007 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Detection of DNA using cationic polyhedral oligomeric silsesquioxane nanoparticles as the probe by resonance light scattering technique
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
Detection of DNA using cationic polyhedral oligomeric silsesquioxane nanoparticles as the probe by resonance light scattering technique
چکیده انگلیسی

A novel cationic polyhedral oligomeric silsesquioxane nanoparticle (cationic POSS) was synthesized and successfully used as a new probe for the detection of DNA by resonance light scattering technique (RLS). It was found that the electrostatic interaction of cationic POSS and DNA could obviously enhance the RLS signal, the enhanced RLS intensity at 360 nm was proportional to the concentration of nucleic acids within the range of 0.35–42.82 μg ml−1 for calf thymus DNA, the determination limit (3σ) was 0.32 ng ml−1. The results showed this method was very sensitive, convenient, rapid and reproducible.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biosensors and Bioelectronics - Volume 22, Issue 7, 15 February 2007, Pages 1461–1465
نویسندگان
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