Fe2+ Indicator Probes

BODIPY 581/591 C11 is a BODIPY borofluoroprene derivative with good light stability and low fluorescence artifacts. BODIPY 581/591 C11 can be used for study lipid peroxidation and antioxidant properties in living cells, or detect ferroptosis by reaction with hydroxyl radicals. BODIPY 581/591 C11 is emitted at 591 nm (reduced prototype), or redshifted to 510 nm (oxidized type). The excitation wavelengths were 581 nm (reduced prototype) and 500 nm (oxidized type).

RhoNox-1 is a fluorescent probe for the specific detection of divalent iron ions, and when RhoNox-1 reacts with Fe²⁺. RhoNox-1 can generate an irreversible orange (red) fluorescent product (Ex/Em：540/575 nm) . FeRhoNox-1 can enter the cell well, suitable for the detection of Fe²⁺ in living cells, and tends to be localized in the Golgi apparatus.

Ferrozine is a spectrophotometric reagent for iron ions, can react with divalent Fe to form a stable magenta complex species. The complex has an absorption peak at 562 nm. Ferrozine-based colorimetric assays can quantify iron in cells

LPd peroxida probe-1, a marker of ferroptosis, is a useful fluorescent probe for investigating the roles of lipid peroxidation in a variety of cell pathophysiologies. LPd peroxida probe-1 reduces lipid hydroperoxides to lipid alcohols and is used for imaging lipid hydroperoxides in living cells.

RhoNox-4 is a Fe²⁺-selective fluorescence-activatable probe and an inhibitor of ferroptosis. RhoNox-4 shows no obvious cytotoxicity even at concentrations up to 50 μM. RhoNox-4 can selectively oxidize labile Fe²⁺ to Fe³⁺, depleting the iron pool required for lipid peroxidation and ferroptosis. RhoNox-4 inhibits ferroptosis induced by ferroptosis inducers; its activity depends on localization to the endoplasmic reticulum/Golgi apparatus, and it does not affect apoptosis or necrosis. RhoNox-4 can be used for imaging labile Fe²⁺ in living cells, and also enables high-throughput screening of labile iron homeostasis regulators based on 96-well plates. RhoNox-4 allows visualization of cytoplasmic Fe²⁺ levels in root tips of *Arabidopsis* (Ex/Em = 530-560/573-647 nm).

HMRhoNox-M (LysoRhoNox) is a selective fluorescent probe for labile Fe²⁺ with an orange fluorescence, and its excitation/emission wavelength is λₑₓ/λₑₘ = 555/575 nm. HMRhoNox-M undergoes N-oxide deoxygenation mediated by Fe²⁺, converting from a non-fluorescent spirocyclic closed form to a fluorescent quinone open form. HMRhoNox-M is used to detect labile Fe²⁺ in living cells.

MQA-P is a multifunctional near-infrared (NIR) fluorescent probe that simultaneously detects ONOO^-, viscosity, and polarity within mitochondria. MQA-P exhibits significant response to ONOO^-, λ_em=645 nm; and NIR channel at λ_em>704 nm Medium is highly sensitive to viscosity/polarity. MQA-P possesses excited-state intramolecular charge transfer (ESICT) properties that are highly sensitive to polarity by designing the N,N-dimethylamino group as the electron donor and the quinoline cation unit as the electron acceptor. MQA-P is used for ferroptosis or cancer diagnosis in vitro and in vivo via dual-channel images.

Ferrozine (solution) is a spectrophotometric reagent for iron ions, can react with divalent Fe to form a stable magenta complex species. The complex has an absorption peak at 562 nm. Ferrozine-based colorimetric assays can quantify iron in cells
Solvent and concentration: ddH2O: 10 mM

Bathophenanthroline disulfonic acid sodium is a multifunctional dye. Dyes are important tools in biological experiments. They can help researchers observe and analyze cell structures, track biomolecules, evaluate cell functions, distinguish cell types, detect biomolecules, study tissue pathology and monitor microorganisms. Their applications range from basic scientific research to clinical A wide range of diagnostics. Dyes are also widely used in traditional fields such as textile dyeing, as well as in emerging fields such as functional textile processing, food pigments and dye-sensitized solar cells.

SHP1-IN-1 (compound 5p) is a fluorescent probe for the protein tyrosine phosphatase SHP1 containing the Src homology 2 domain. SHP1-IN-1 has SHP1 inhibitory activity, selectivity for Fe³⁺ ions and good fluorescence properties. SHP1-IN-1 exhibits aggregation post-quenching (ACQ) effect, good interference immunity and low detection limit (5.55 μM).

CYP1B1-IN-6 (compound 19) is a fluorescence molecular probes which inhibits CYP1B1 activity. CYP1B1-IN-6 can identify tumor sites in fluorescence imaging and photoacoustic imaging modes.