ViaComp® viability controls are advanced 2‑in‑1 synthetic cell mimics that bind to both DNA‑intercalating dyes and amine‑reactive viability dyes, enabling accurate modeling of dead‑cell staining behavior in spectral and conventional flow cytometry workflows.
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Slingshot Bio Reagent
ViaComp® viability controls are precision engineered 2‑in‑1 synthetic cell mimics designed to replicate the staining behavior of real cells for both DNA‑intercalating dyes (such as 7‑AAD and PI) and amine‑reactive viability dyes. Each drop contains a pre‑mixed suspension of positive and negative control particles that generate clear, well‑separated fluorescence peaks, enabling accurate identification of live and dead cell populations. Unlike biological materials, ViaComp® provides exceptionally bright positive signals with no non‑specific binding in the negative population, ensuring consistent and reproducible performance across operators and instruments. The ready‑to‑use dropper format streamlines workflow integration and eliminates the variability, fragility and preparation requirements associated with cell‑based controls. ViaComp® has been verified and validated on analytical flow cytometers and is intended for research use only. Resources: ViaComp® Application Note Technical Data Sheet Safety Data Sheet Certificate of Analysis

Slingshot Bio Reagent
Convenient and reliable controls to measure cell health. ViaComp® Flex viability controls are advanced 2-in-1 beads that bind to DNA intercalating dyes (7AAD, PI) and amine-reactive viability dyes to simulate the staining of cells.This product is intended as a process and assay control to match the viability staining of real cells. Packaged in two bottles with the positive and negative controls in separate vials. Features: Compatible with both DNA intercalating dyes (7AAD, PI) and amine-reactive viability dyes Superior resolution of negative and positive peaks Measure toxicity with confidence Workflow flexibility for toxicity study with separated positive and negative controls Resources: Technical Data Sheet Safety Data Sheet Certificate of Analysis