HYPOCHLOROUS ACID FLUORESCENT PROBE PIS (C15-1305-152)

General description

A cell-permeable imidazoline-2-thione based compound that acts as a direct, rapid, selective and sensitive fluorescence turn-on detection probe for hypochlorous acid (HOCl; detection limit of 71 nM). Efficiently reacts with hypochlorite to yield fluorescent imidazolium ions, with good water solubility and photostability. Generates negligible fluorescence emission with several other ROS/RNS (H2O2, TBHP, NO•, ROO•, ONOO- and HO•. Shown to efficiently visualize and detect stimulants triggered endogenous HOCl generation in RAW 264.7 macrophages co-cultured with HeLa cells. Dose-dependently images HOCl levels by two-photon fluorescence microscopy in RAW 264.7 cells and in rat hippocampal slices (depth of >100 µm).

A cell-permeable imidazoline-2-thione based compound that acts as a direct, rapid, selective and sensitive fluorescence turn-on detection probe for hypochlorous acid (HOCl; detection limit of 71 nM). Efficiently reacts with hypochlorite to yield fluorescent imidazolium ions, with good water solubility and photostability. Generates negligible fluorescence emission with several other ROS/RNS (H₂O₂, TBHP, NO·, ROO·, ONOO⁻ and HO·). Shown to efficiently visualize and detect stimulants triggered endogenous HOCl generation in RAW 264.7 macrophages co-cultured with HeLa cells. Also enables to monitor HOCl levels by two-photon image in RAW 264.7 cells and in rat hippocampal slices (depth of >100 µm) in a dose-dependent manner.

Biochem/physiol Actions

Cell permeable: yes

Primary Target
hypochlorous acid

Packaging

Packaged under inert gas

Warning

Toxicity: Standard Handling (A)

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.

Other Notes

Xu, Q., et al. 2015. Angew. Chem. Int. Ed.54, 4890.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Molecular Weight: 280.35. Empirical Formula: C₁₅H₁₂N₄S. Assay: ≥. 98% (HPLC). Quality Level: 100. form: solid. manufacturer/tradename: Calbiochem^®. . storage condition: OK to freeze, protect from light. color: brown. solubility: DMF: 0.5 . mg/mL (Small yellow particles may be visible.), DMSO: 0.5 . mg/mL. fluorescence: λ. _ex . ~378 . nm, λ. _em . ~503 . nm. storage temp.: 2-8°C. Storage Class Code: 11 - Combustible Solids. WGK: WGK 3. Flash Point(F): Not applicable. Flash Point(C): Not applicable.