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last updated: July 16, 2019
Andrew has been a freelance life science writer for more than 20 years. Worked for academic institutions, startup biotechs, major biopharmaceuticals. Agriculture editor, Genetic Literacy Project. He has an MS in Biotechnology from the University of Maryland, and a BA in Physical Anthropology from the University of Pennsylvania.
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Normally you need two primers to amplify your segment of interest – one for the 3′ end of your segment of interest and one for your 5′ end. But if you don’t know the sequence of the regions you’re hoping to amplify this can be a problem! Rapid Amplification of cDNA Ends (RACE) is a…
PCR is highly sensitive, but the downside of that very property is that it makes the technique prone to producing false-positives. In labs where PCR is a staple, like the one I work in, any false-positives are more often than not due to amplicon contamination. A broken capillary or a PCR plate left carelessly at…
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Bisulfite pyrosequencing is becoming a routine technique in molecular biology labs as a method to precisely measure DNA methylation levels right down to the single base. The technique allows for detailed and high resolution analysis of DNA methylation at specific genomic regions. How to detect the 5th base? Methylation of any of the four nucleotides…
In this article I will not talk about ‘wild’ proteases, which destroy cellular proteins in your lysates like wolves destroy sheep. Instead, I’ll be talking about the shepherd dog proteases—purified, tame and useful to digest proteins your research. In Protein Research and Crystallization Several programs can predict your protein domains. However, we wet biologists know…
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