Last Updated on June 1, 2025 by Muhamed Elmesery 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 …

Last Updated on May 7, 2025 by Muhamed Elmesery 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 …

Last Updated on June 1, 2025 by Muhamed Elmesery 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 …

Last Updated on May 7, 2025 by Muhamed Elmesery 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 …

Last Updated on May 7, 2025 by Muhamed Elmesery Have you ever thought about how we can get fresh water from sea water? Or how can we get the skim milk? Or how is blood separated into its four components in hospitals and blood banks? Sand and water/ Cereal and milk/ Sugar and salt/ Salt and water/ Water and ethanol/ …