Flow Cytometry Blog

Flow Cytometry Blog

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Small Bead Kits for microvesicle and exosome analysis.

Interest in microvesicles and exosomes has rapidly risen over the past decade as a means to study cellular interactions, immune behavior, and various disease states. Flow cytometry, while traditionally focused on cell-based analysis, is a powerful...

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I have to use an indirect labeling method for my cells, is this compatible with Quantum Simply Cellular beads?

A very common question, and one that we speak at length with various users about.Whenever possible, we recommend that a direct labeling strategy is used with cell samples and Quantum Simply Cellular (QSC) beads. This is advantageous as indirect...

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Quantum MESF for Intracellular Fluorescence: Telomere Content Measurement

From time to time, we’re asked about whether we have tools to help with quantitation of intracellular markers, probes, etc. To which we respond: "Heck yeah…!”As cytometers don’t mind whether cellular fluorescence is internal or external, our...

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Quantum QC for Daily Cytometer QC

As many a cytometrist can attest, flow cytometers are fickle beasts. Changes in laser output, filter efficiency, PMTs, flow pressure/rate, etc., are all possible, and can impact results. Furthermore, changes in the lab environment, such as humidity...

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How much Ab should be used to stain Quantum Simply Cellular (QSC) beads

It’s advisable to either add a sure excess of antibody, or conduct a titration to ensure saturation. In looking over historical data for QSC anti-Mouse labeled with conjugated primary antibodies, concentrations vary quite a bit (depending on clone...

Flow Cytometry Resources

We’re proud to continue the tradition of standardization in flow cytometry that our predecessor Flow Cytometry Standards Corporation began, and to contribute our expertise in the development and manufacture of specialty microsphere products. We invite you to check out our new blog and to browse our library of technical documents, tutorials, and useful links. If any questions remain unanswered, please feel free to submit a question to Ask The Doc or give us a call—we are happy to help!