“He Yuan Li Ji” was established as a joint venture between He Yuan Bio (stock code: 688238) and Li Ji Bio, with its core business centered on the “Li Ji Bio” and “Life-ilab” reagent brands.

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Why is the upper-left quadrant unusually high in flow cytometric apoptosis assays?

Publication date:2026-10-29
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The upper-left quadrant typically reflects non-apoptotic cell death triggered by abrupt environmental changes resulting from improper handling—such as excessive mechanical force, prolonged incubation times, or overly high concentrations of stimulatory agents. To address this, it is necessary to optimize the concentration and time gradients of the treatment, as well as refine the protocols for cell culture and cell dissociation.