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  2. DNA extraction - Wikipedia

    en.wikipedia.org/wiki/DNA_extraction

    The first isolation of deoxyribonucleic acid (DNA) was done in 1869 by Friedrich Miescher. [1] DNA extraction is the process of isolating DNA from the cells of an organism isolated from a sample, typically a biological sample such as blood, saliva, or tissue. It involves breaking open the cells, removing proteins and other contaminants, and ...

  3. Plasmid preparation - Wikipedia

    en.wikipedia.org/wiki/Plasmid_preparation

    Plasmid miniprep. 0.8% agarose gel ethidium bromide-stained.. A plasmid preparation is a method of DNA extraction and purification for plasmid DNA.It is an important step in many molecular biology experiments and is essential for the successful use of plasmids in research and biotechnology.

  4. Spin column-based nucleic acid purification - Wikipedia

    en.wikipedia.org/wiki/Spin_column-based_nucleic...

    Silica in a spin column with water and with DNA sample in chaotropic buffer. Spin column-based nucleic acid purification is a solid phase extraction method to quickly purify nucleic acids. This method relies on the fact that nucleic acid will bind to the solid phase of silica under certain conditions.

  5. Real-Life Stories of Sometimes-Shocking Home DNA Test Results

    www.aol.com/real-life-stories-sometimes-shocking...

    Helping to Solve a 30-Year-Old Murder Case. Home DNA tests even helped to solve the case of the Golden State Killer, according to a report from PBS News Hour.In 1987, Jay Cook and his girlfriend ...

  6. Genetic engineering techniques - Wikipedia

    en.wikipedia.org/wiki/Genetic_engineering_techniques

    All genetic engineering processes involve the modification of DNA. Traditionally DNA was isolated from the cells of organisms. Later, genes came to be cloned from a DNA segment after the creation of a DNA library or artificially synthesised. Once isolated, additional genetic elements are added to the gene to allow it to be expressed in the host ...

  7. Alkaline lysis - Wikipedia

    en.wikipedia.org/wiki/Alkaline_lysis

    Alkaline lysis is the process of isolating plasmid deoxyribonucleic acid (DNA) in bacteria. It is a standard method used in molecular biology to isolate the plasmid without obtaining chromosomal DNA. The first alkaline lysis was performed by Birnom and Doly in 1979. [ 1 ]

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