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Flow Cytometry

Sorting Single Cells – What Do You Need to Consider?

Flow cytometer and cell sorter manufacturers have invested considerable resources to design instruments that are the “fastest in the ‘hood” either in terms of cells analyzed per second, or in total throughput. The general idea is the faster you can go, the quicker you can identify rare cells, and produce sorted populations containing large numbers…

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10 Useful Tips For Improving Your Sorting Experiments

After a very naïve start in flow cytometry thinking that published protocols will work without fault – needless to say, that did not work out in my favor – I realize now that following a few simple steps can go a long way, and will undoubtedly save you time in the end. So, here are…

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An Introduction to Gating in Flow Cytometry

What is one of the first things you do when you sit down at the flow cytometer and start looking at your cells? You start drawing polygons and setting gates. To the neophyte the gating process can look a little random – why do you exclude those dots but not these?  But gating in flow…

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Cell Proliferation Round 1: Using Thymidine Analogs With Flow Cytometry

Around and around the cell cycle goes, where it stops, nobody knows. Unless you have the right tools to analyze DNA content, that is. The DNA markers propidium iodide, Hoechst and DAPI are commonly used in flow cytometry to analyse a cell’s DNA content.  Although they are simple to use, they do have disadvantages. Figure…

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Seeing is Believing: An Introduction to Imaging Flow Cytometry

What if there was a way to take the power and speed of a flow cytometer and couple it with the resolution of a microscope? Imaging flow cytometry does just that! Flow cytometry is a very powerful tool for the complex characterization of cells and cell populations but flow cytometers can also be thought of…

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Getting in the Flow: Online Resources for Flow Cytometry

You are sitting in a seminar when you glimpse it:  the figure that beats all other figures –  a beautiful contour plot – and you realise that a similar figure is what you need to publish your paper in a high-ranking journal.  You know the basics of flow cytometry, but admit you need a little…

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Herzenberg and the Invention of the FACS Machine

The flow cytometer that we have all grown to know and love may have only come into its own in the 1990’s, but who would have known that the first cell sorter was invented as early as the 1950’s? With the recent death of one of the key developers of fluorescence activated cell sorting (FACS),…

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“Pick ‘n’ Mix? A Basic Guide to Commercial Flow Cytometers”

  So having read our article on how a cytometer works, surely the next question is ‘what’s the right flow cytometer for me?!’ Basic Components of Flow Cytometers We know that at their most basic level, cytometers are made up of 3 main components: A fluidics system to transport and focus the cells past an…

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Evolution Flow: The Historical Background of Flow Cytometry

For those of you who print out the results that you have acquired from the Flow Cytometer to stick in your lab book, did you know that inkjet printers and cytometers have a shared history? Flow Cytometry is less than 50 years old and machines today still use some of the same principles as the…

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