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When one is preparing cells for the 10x genomics single cell RNA Seq platform, the manual says to dilute the cells (in media or 1x PBS) into water for a final volume of 46.6ul to achieve your targeted cell recovery. Do users mix their cell suspension in with water, then pipette into the mastermix at this step?
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In the 3' v2 protocol, 10x recommended making your mastermix, then adding water to the mastermix and pipette mixing, and then finally adding your cells to the mastermix with water.
The newest 3' v3 protocol, they do not specify an order at that step, but I have been doing it in the same order as the v2 without issue. -
Thanks Joe. It seems very confusing that they would have written so clearly in the v2 manual but this critical description is removed from the v3 manual! I wonder who made such a terrible decision to remove it. Those who pick up the v3 manual and not know of v2 would not be able to see through this. If that is the order required, it should be given in both manuals.Comment
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Data variability is still an issue in sequencing technologies despite the advances in reproducibility and accuracy of these platforms. But the problem does not originate in the sequencing itself, but in the previous steps, before the sample reaches the sequencer.
The first step is collection, followed by preservation and sample preparation for analysis. Most scientists overlook those steps, but not being careful might just be skewing the experiment’s results.
...06-02-2026, 10:05 AM -
With the launch of new single-cell sequencing platforms in 2026, the field stands at an exciting inflection point. This article surveys the most impactful advances in the field and discusses how they’re reshaping research in cancer, immunology, and beyond.
Introduction
Single-cell sequencing technologies have undergone remarkable advances over the past decade, transitioning from low-throughput experimental approaches to highly scalable platforms capable of...05-22-2026, 06:42 AM
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