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I am the President and CEO of MathforUS LLC, a company offering services in biotechnology, mathematical modelling, forecasting methods, and business consulting. I have organized and moderated a symposium at the annual meeting of the Florida Entomological Society and have published papers and served as a committee member at international conferences. My goal is to improve the quality of discoveries by scientists and businesses by providing solutions to their problems and bottlenecks. This will permit them to focus on their research and their creativity.
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Cloning Strategies – a Whole Lot of Options to Choose Molecular cloning has come a long way from simple restriction digestion-ligation cloning strategies to a large number of highly efficient alternatives. Broadly classified, cloning techniques can be divided as sequence dependent and sequence independent strategies. Sequence-dependent strategies are based on restriction digestion-ligation techniques or site-specific…
Introduction Did you know that the idea of using genetic engineering to ameliorate certain human diseases was viewed as ‘science fiction’ only 10 short years ago? While cell mutagenesis studies and genetic knockout experiments were feasible before genetic engineering, they were not very reliable. Indeed, due to the random and imprecise nature of these older…
Plasmid maps are a cornerstone of biology, but they are confusing to read for beginners. Our easy guide tells you how to read them, where to look for essential information, and how to avoid common mistakes.
If efficient cloning is what you are after, you must give Overlap Extension PCR Cloning a go! This restriction enzyme and T4 DNA ligase-free technique is faster, more reliable and easier to troubleshoot than traditional restriction methods. With only two PCR reactions required, you can insert a DNA fragment into a plasmid without spending time…
Here’s a tip that you may find useful if you are expressing proteins in E.coli using a lac promoter-based expression system, e.g. pET, in LB medium (L-broth). Lac expression systems are typically induced in the lab using IPTG (isopropyl-beta-D-thiogalacto- pyranoside), which is a non- hydrolyzable analog of lactose, the natural inducer of the lac operon….
Manipulating the genes of organisms is crucial for studying their functions. In times before genetic engineering, scientists would shoot bacteria with X-rays or expose them to destructive chemicals until spontaneous mutations would arise. Fortunately, current methods are more sophisticated and less torturous. Researchers now use more directed techniques to introduce mutations. There are several ways…
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