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tag dna walker culture

Building Nanoscale Structures with DNA
Arun Richard Chandrasekaran | Jul 16, 2017 | 10+ min read
The versatility of geometric shapes made from the nucleic acid are proving useful in a wide variety of fields from molecular computation to biology to medicine.
DNA Chips Enlist in War on Cancer
Douglas Steinberg | Feb 20, 2000 | 10+ min read
Graphic: Cathleen Heard The boy had the classic symptoms of acute leukemia--low blood counts and tumor cells circulating in his bloodstream. But the diagnosis was tentative because the tumor cells looked atypical for leukemia. So doctors extracted RNA from the cells, made cDNAs from the RNA, and incubated the cDNAs with a chip bearing thousands of single-stranded gene fragments on its glass surface. The hybridization pattern suggested, surprisingly, that the boy had a muscle tumor. After confirm
PCR Based Cloning Kits: Something For Everybody
Laura Defrancesco | Apr 12, 1998 | 10+ min read
Date: April 13, 1998PCR Based Cloning Kits Table The End Table (PDF Format) PCR has found applications in almost every imaginable facet of molecular biology, and for many applications, looking at a band on a gel is not enough. Sequencing, expressing, mutating--all require cloning. And as it happens, cloning strategies that work for other types of DNA fragments don't work at all well, or require inordinate effort, with PCR fragments. For example, the most commonly used cloning strategy requires
Choosing the Best Reporter Assay
Hillary Sussman | Jul 22, 2001 | 10+ min read
Suppliers of Reporter Assay Screening Systems Courtesy of Applied BiosystemsTarget practice: Researchers can employ reporter assays to study a variety of cellular processes. Rarely is the product of a gene readily distinguishable from the myriad mRNA and protein complements that exist in a cell at any point in time. But researchers can skirt this obstacle by placing a "reporter gene" under the same controls as the gene of interest. Reporter genes have easily measurable phenotypes that form th

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