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tag polymerase chain reaction culture ecology immunology

Microfluidics: Biology’s Liquid Revolution
Laura Tran, PhD | Feb 26, 2024 | 8 min read
Microfluidic systems redefined biology by providing platforms that handle small fluid volumes, catalyzing advancements in cellular and molecular studies.
PCR Primed To Spur Chain Of Applications
Holly Ahern | Jun 25, 1995 | 10+ min read
What would you do if your research interests revolved around obtaining DNA from a bacterium preserved for millions of years in the gut of a bee stuck in amber, matching up a murderer to crime- scene blood half a century old, or cloning genes from a 1,000- year-old mummy? Most scientists would first consider PCR--the polymerase chain reaction--as a technique for approaching problems such as these. With PCR, minute quantities of nucleic acids can be amplified millions of times into sufficient qua
A New Symbiosis For MD's And Scientists
Ricki Lewis | Jun 21, 1992 | 7 min read
Advances in molecular biology foster greater interdependency among physicians, researchers The province of the scientist traditionally has been one of theory and experiment, exploration and discovery--contrasting sharply with the practical concerns of the physician. But times have changed. Today, physicians find themselves in need of knowledge in such esoteric matters as the polymerase chain reaction and restriction fragment-length polymorphism maps. Meanwhile, scientists are having to acqua
lab tools cancer therapy
Contending with Resistance in Cancer Immunotherapy
Marissa Fessenden | Apr 1, 2019 | 7 min read
Researchers describe ways to study how cancer cells evade therapies that harness the immune system.
High Fidelity PCR: Enhancing the Accuracy of DNA Amplification
Shane Beck | Jan 4, 1998 | 10 min read
Date: January 5, 1998 Chart 1, Chart 2 n the beginning there was Taq. Actually, there were others before Taq. There were precursory polymerases, such as that from E. coli, that lost their enzymatic activities at elevated temperatures. This shortfall made thermal cycling a time-consuming chore, with the necessity of adding new polymerase after each cycle. Then came the thermostable polymerases such as Taq DNA polymerase, which was isolated from the thermophilic, aerobic bacterium Thermus aquat
Out, Damned Mycoplasma!
Kelly Rae Chi | Dec 1, 2013 | 8 min read
Pointers for keeping your cell cultures free of mycoplasma contamination
Conserving Our Shared Heritage
Thomas E. Lovejoy | Oct 1, 2011 | 5 min read
Reversing catastrophic threats to our planet’s biodiversity is not optional: our lives depend on it.
Cell-Signaling A Cascade of Kinases, Phosphatases, and Cytokines
Deborah Noble | Jul 4, 1999 | 8 min read
Date: July 5, 1999Table of Cell Signaling Tools At today's research pace, new signaling mechanisms within and between cells are emerging not one by one but in a chain reaction. Each new discovery has strong implications for previously established models, sometimes overturning several assumptions at once. With such a large number of interacting systems--from cell adhesion to differentiation and apoptosis--and receptor pathways, keeping up with the wealth of cell-signaling research tools can be l
The Scientist Staff | Mar 28, 2024
A scanning electron micrograph of a coculture of E. coli and Acinetobacter baylyi. Nanotubes can be seen extending from the E. coli.
What’s the Deal with Bacterial Nanotubes?
Sruthi S. Balakrishnan | Jun 1, 2021 | 10+ min read
Several labs have reported the formation of bacterial nanotubes under different, often contrasting conditions. What are these structures and why are they so hard to reproduce?

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