Reactive oxygen species (ROS) probe

BODIPY 581/591 C11 is a fluorescent radioactive probe used to indicate lipid peroxidation and antioxidant efficacy in model membrane systems and living cells.

H2DCFDA (DCFH-DA) belongs to the class of green fluorescent dyes and is a probe for the detection of intracellular reactive oxygen species (ROS) (Ex Em=488 525 nm) with cell membrane permeability.

ADHP (10-Acetyl-3,7-dihydroxyphenoxazine) is a fluorogenic peroxidase substrate (λex=530 nm, λem=590 nm).

1,3-Diphenylisobenzofuran (DPBF) is a fluorescent probe. It possesses a highly specific reactivity towards singlet oxygen forming an endoperoxide which decomposes to give 1,2-dibenzoylbenzene. 1,3-Diphenylisobenzofuran can detect the generation of reactive oxygen species (ROS).

2',7'-Dichlorofluorescein diacetate (Diacetyldichlorofluorescein), a cell-permeable fluorogenic probe, is useful for the detection of nitric oxide (NO) and reactive oxygen species (ROS) and for the determination of the degree of overall oxidative stress.

Lucigenin (NSC-151912) (L-6868) is a chemiluminescent probe used to indicate the presence of endogenously generated superoxide anion radicals in cells.

DHBS (DCHBS) is used in conjunction with 4-aminoantipyrine (4-AAP) and H2O2 for chromogenic quantitation of peroxidase in coupled enzymatic reactions.

Dihydrofluorescein diacetate (Diacetyldihydrofluorescein) is a fluorescent probe for measuring oxidative stress in cell-free systems and cellular models.

Hydroxyphenyl Fluorescein (HPF) is a cell-permeable fluorescent dye for the detection of highly reactive oxygen species with little or no intrinsic fluorescence.Hydroxyphenyl Fluorescein can be used in fluorescent enzyme labeling and flow cytometry, and can be used to Neurodegeneration and aging. Fluorescence wavelength: Ex/Em = 490/515 nm.

DAF-FM DA (Diaminofluorescein-FM diacetate) is a reactive dye for the detection of nitric oxide (NO) and reactive nitrogen species (RNS) levels for bioimaging (Ex/Em=495/515 nm).

HKPerox-1 is a yellow-emitting fluorescent probe with excellent selectivity and sensitivity toward H 2 O 2 . HKPerox-1 can be used for molecular imaging of endogenous H 2 O 2 in living cells.

DPPP is a probe that reacts stoichiometrically with hydroperoxides to yield the fluorescent molecule diphenyl-1-pyrenylphosphine oxide (DPPP-O). Plasma levels of lipid hydroperoxides of phosphatidylcholine, phosphatidylethanolamine, triglycerides, and cholesteryl esters have been measured by HPLC with a post column detection system using DPPP. DPPP has also been used as a fluorescent probe for the detection of low density lipoprotein and cellular oxidation. Fluorescence of DPPP-O can be monitor using excitation and emission wavelengths of 351 nm and 380 nm, respectively.

5(6)-Carboxy-2',7'-dichlorofluorescein diacetate is an oxidant-sensitive and cell-permeable fluorescent probe.1Base hydrolysis of the ester bonds by intracellular esterases releases the acetate groups and the resulting compound, 5(6)-carboxy-2',7',-dichlorofluorescein, is oxidized by reactive oxygen species (ROS) and nitric oxide (NO) and displays excitation emission maxima of 504 and 530 nm, respectively, which can be quantified as a measure of oxidant production. 1.Hempel, S.L., Buettner, G.R., O'Malley, Y.Q., et al.Dihydrofluorescein diacetate is superior for detecting intracellular oxidants: Comparison with 2',7'-dichlorodihydrofluorescein diacetate, 5(and 6)-carboxy-2',7'-dichlorodihydrofluorescein diacetate, and dihydrorhodamine 123Free Radic. Biol. Med.27(1-2)146-159(1999)

FHZ is a fluorescent probe (IUPAC: 2-(7-hydroxy-3H-phenoxazin-3-one-10-yl)benzoic acid), widely utilized in biological imaging due to its high sensitivity and selectivity in detecting specific molecular targets within cellular environments, exhibiting optimal excitation and emission spectra for various fluorescence microscopy applications.

HKOCl-3 is a fluorescent probe characterized by its high sensitivity and selectivity for hypochlorous acid detection, featuring an excitation wavelength (Ex) of 490 nm and an emission wavelength (Em) of 527 nm.

IQ-R is a novel hypoxia-sensitive fluorescent probe composed of an indolequinone unit coupled with a rhodol fluorophore.

FBBBE is a derivatized fluorescein compound that is used to detect the production hydrogen peroxide (H2O2) by cells. Intracellular H2O2, but not extracellular H2O2, initiates the conversion of FBBBE to fluorescein, resulting in an increase in intracellular fluorescence (excitation emission maxima: 480 512 nm).

HKOH-1r is a highly sensitive and selective fluorescent probe used for detecting endogenous hydroxyl radicals in living cells [1].

HKOH-1 is a highly sensitive and selective fluorescent probe for detecting endogenous hydroxyl radicals [OH].