کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
868468 | 909808 | 2010 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Hybridisation thermodynamic parameters allow accurate detection of point mutations with DNA microarrays
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Hybridisation thermodynamic parameters allow accurate detection of point mutations with DNA microarrays Hybridisation thermodynamic parameters allow accurate detection of point mutations with DNA microarrays](/preview/png/868468.png)
چکیده انگلیسی
We consider mixtures of two DNA sequences t and t′ differing by a single nucleotide, which are analyzed by an Agilent custom DNA microarray. In particular we focus on the case in which t, the “wild type”, is predominantly abundant and t′ the “mutant” is at very low concentrations compared to t. We show that by using appropriately designed arrays it is possible to accurately quantify the presence of t′ even at low relative concentrations (≈1%). The detection method is based on thermodynamic models of DNA hybridisation and on the analysis of a large number of hybridisation intensities from probes containing one or two mismatches with respect to t and t′.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biosensors and Bioelectronics - Volume 26, Issue 4, 15 December 2010, Pages 1692–1695
Journal: Biosensors and Bioelectronics - Volume 26, Issue 4, 15 December 2010, Pages 1692–1695
نویسندگان
Jef Hooyberghs, Enrico Carlon,