Last Updated on March 9, 2023 by Nourhan Essam The XTT assay is an assay used for cellular metabolic activity measuring as an indicator of cell cytotoxicity, viability and proliferation. XTT assay stands for (2,3-bis-(2-methoxy-4-nitro-5-sulfophenyl)-2H-tetrazolium-5-carboxanilide) which is a tetrazolium-based compound. XTT is a colorless or slightly yellow compound and becomes brightly orange when reduced. In this article we will explain …
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Last Updated on May 29, 2024 by Nourhan Essam When you’re reading a scientific text, or having a science lesson regarding bonding and valency, you may come across the term valence electrons. But what does it mean? This is what we will know in this article in detail. In addition to explaining how to find valence electrons in more than …
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Last Updated on February 2, 2023 by Nourhan Essam It’s been another year of amazing challenges and achievements for our company ”PraxiLabs”. We’ve reached milestones and overcome obstacles. We were thrilled to share PraxiLabs 2022 recap with you. We’ve picked out the biggest achievements and the most challenging moments, so you can get straight to the point and have a …
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Last Updated on December 31, 2024 by Zinab Hasssan You’ve probably heard the phrase Krebs cycle thrown around before. If you’re at all interested in biology, general science, etc. Then you know that the Krebs cycle has a vital role inside our bodies. But what exactly is it? Why does it deserve such an important name? You know what I’m …
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Last Updated on December 22, 2022 by Sherouk Badr Shehata One of the most famous and revolutionary scientific theories of the 20th century is Einstein’s theory of relativity. It was proposed by the German-born physicist, Albert Einstein, in 1905 and has since then been accepted as a fundamental theory of physics. This theory has brought about a radical transformation in …
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