نتایج جستجو برای: oligonucleotide array sequence analysis
تعداد نتایج: 3216786 فیلتر نتایج به سال:
This unit describes the preparation of conjugates between nanometer-scale gold particles and synthetic oligonucleotides. Oligonucleotide-functionalized gold nanoparticles are finding increased use in both the construction of complex, tailored nanostructures and the optimization of DNA sequence analysis. The protocols in this unit outline the synthesis, purification, and characterization of nano...
Genomic copy number alterations are a feature of many human diseases including cancer. We have evaluated the effectiveness of an oligonucleotide array, originally designed to detect single-nucleotide polymorphisms, to assess DNA copy number. We first showed that fluorescent signal from the oligonucleotide array varies in proportion to both decreases and increases in copy number. Subsequently we...
Summary: The determination of annealing temperature is a critical step in PCR design. This parameter is typically derived from the melting temperature of the PCR primers, so for successful PCR work it is important to determine the melting temperature of primer accurately. We introduced several enhancements in the widely used primer design program Primer3. The improvements include a formula for ...
Submicroscopic structural chromosomal aberrations (microduplications and microdeletions) are believed to be common causes of mental retardation. These so-called copy number variations can now be routinely detected using various platforms for array-based comparative genomic hybridization (array-CGH), which allow genome-wide identification of pathogenic genomic imbalances. In this study, oligonuc...
In studies of quality control of oligonucleotide array data, one objective is to screen out ineligible arrays. Incomparable arrays (one type of ineligible arrays) arise as the experimental factors are poorly controlled. Due to the high volume of data in gene arrays, examination of array comparability requires special treatments to reduce data dimension without distortion. This paper proposes a ...
The ability to distinguish homologous chromosomes is a powerful cytogenetic tool. However, traditional techniques can only distinguish extreme physical variants and are highly dependent on sample preparation. We have previously reported oligonucleotide probes, specific for human chromosome 17 alpha satellite DNA sequence variants, that distinguish cytogenetically normal homologous chromosomes b...
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