Sheath Pressure: Nozzle Size Does Matter

sheath pressure

Hello again, fellow Flow Cytometry Fan! It looks like you have your experiment all planned out, including staining protocols and gating schemes, and are ready to get some paradigm-shifting data. But before we start “plugging-and-chugging” samples through your cytometer of choice, we need to make sure that the nozzle size and sheath pressure are set…

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A Primer on Phage Display Libraries

phage display

Phage display – the process of genetically fusing antibody fragments with phage to identify binding partners to your protein of interest – was covered pretty thoroughly here over the past few months. The success of this assay predicates on creating a diverse library of up to 1012 genes coding for these antibody fragments. Despite being…

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How to Test the Efficiency of your sgRNA


To successfully edit your genome of interest, one critical step is to test the sgRNA you have designed. Fortunately there are programs that have been developed such as CRISPRscan for zebrafish, SSC, Sequence Scan for CRISPR, or WU-CRISPR that you can use to predict the efficiency and the suitability of the sgRNA. However, the prediction…

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Cre-loxP Recombination Essentials Part 1

You might have heard of the Cre-loxP system even if you are not directly working with genetic manipulation. The Cre-loxP system is an ubiquitous technology for genetic manipulation and a mainstay in mouse research labs. With this system you can delete genes in cells, specific tissues and even whole organisms! You can start to master this system by…

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Meeting the BioPython


The Biopython Project is an amazing initiative that helps scientists use Python for bioinformatics – and it’s exceptionally easy to learn! You can access online services, parse (read) different file types, analyze, and do a bunch of fun stuff with your data with Biopython. The people behind the project have put in a lot of…

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Transfection Toolkit

Engineering a mutation or overexpressing a recombinant protein to study and characterize its function in mammalian cells is no easy task. Luckily, Chinese hamster ovary (CHO) cells, which have been a mainstay in the lab since the 1950s, represent a relatively easy mammalian model system to engineer. There are several methods to choose choose from…

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