fluorescent dye

Coppersensor 1 (CS1) is a boron dipyrromethene-based fluorescent sensor for selective and sensitive detection of copper(I) ions (Cu + ) in biological samples. Coppersensor 1 can be imaged using any type of fluorescence microscope, including epifluorescence, confocal and multiphoton.

Cy5-DBCO is a near-infrared, anthocyanine fluorescent dye Cy5 (Cyanine 5) derivative with an excitation wavelength of 650 nm and an emission wavelength of 670 nm.DBCO-Sulfo-Cy5 contains a DBCO moiety, which can undergo SPAAC click chemistry with molecules that contain Azide moieties.

DBCO-Cy3 (DBCO-Sulfo-Cy3) is a modified cyanine-3 and orange-red fluorescent dye that can undergo SPAAC click chemistry reactions with azide groups. It has an excitation wavelength of 555 nm and an emission wavelength of 580 nm.

JC-1 (CBIC2) is a fluorescent lipophilic cyanine dye. JC-1 is used to measure mitochondrial membrane potential. When the mitochondrial membrane potential is high, JC-1 aggregates into polymers within the matrix, emitting red fluorescence (λex=585 nm, λem=590 nm). When the mitochondrial membrane potential is low, JC-1 fails to aggregate within the mitochondrial matrix and exists as monomers, emitting green fluorescence (λex=510 nm, λem=527 nm).

FM4-64 (SynaptoRed™ C2) is a styrene-based dye exhibiting membrane-binding and endocytosis tracing properties, yet it remains largely non-fluorescent in aqueous solutions. After binding to the plasma membrane bilayer, FM4-64 cannot passively diffuse into the cell interior and must undergo active transport across the membrane. FM4-64 can be used to study endocytosis, exocytosis, vesicular transport, and cell membrane dynamics.

PKH 26 is a red-fluorescent membrane dye, Ex/Em=551/567 nm.PKH 26 is commonly used in flow cytometry to measure T cell-mediated cytotoxic activity.

Hoechst 33342 (bisBenzimide H 33342) is a lipophilic fluorescent dye belonging to the bisbenzimidazole class and a cell-permeable fluorescent DNA dye. Hoechst 33342 can penetrate the membranes of living cells to achieve non-invasive staining of live cell nuclei, exhibiting excellent fluorescence properties and extremely low cytotoxicity.

CFSE (CFDA-SE) is a fluorescent dye with cell membrane permeability. CFSE irreversibly binds to intracellular proteins in living cells and is used for the detection of cell proliferation. The labeled cells fluoresce in green color with excitation wavelength of 488 nm and emission wavelength of 518 nm.

MitoSOX Red is a fluorescent dye serving as a mitochondria-targeted fluorescent probe for superoxide, with cell membrane permeability and specificity. Upon oxidation, MitoSOX Red subsequently binds to nucleic acids within mitochondria/nuclei, producing intense red fluorescence, and is employed for detecting mitochondrial superoxide in live cells.

Alexa fluor 647 NHS ester (L-5-Hydroxytryptophan-d3) is a photostable far-red fluorescent dye used in imaging and flow cytometry to generate stable signals for protein labeling, amine-modified oligonucleotides, and other primary amine-containing molecules.

Copper probe CF4 (Copper fluor CF4) is a monovalent copper (Cu+) specific fluorescent sensor based on a rhodol dye scaffold, featuring high copper selectivity with a Kd value of 2.9×10−13 M. Copper Probe CF4 has a probe-to-substrate stoichiometric ratio of 1:1 and is stable within a pH range of 6–8. Copper Probe CF4 can be used for copper imaging and copper level measurement in small organisms; Ex/Em = 415/660 nm.

Lucifer Yellow CH dipotassium is a fluorescent dye, a water-soluble biological tracer (Ex/Em = 430/540 nm) containing a free hydrazino group that can react with aldehydes, used for neuronal tracing and gap junction detection.

9-Aminoacridine is a highly fluorescent anti-infective dye used clinically as a topical antiseptic and experimentally as a mutagen, due to its interaction with DNA. It is also used as an intracellular pH indicator.

Evans blue (C.I. 23860) is an effective inhibitor of glutamate uptake by synaptic vesicles and also acts as an antagonist of AMPA/kainate receptors. Evans blue is a water-soluble azo fluorescent dye that binds to serum albumin and is used to detect vascular permeability, blood-brain barrier integrity, and permeability.

Fluorescein (Solvent Yellow 94) is a phthalic indicator dye, use as a synthetic fluorescent tracer.

Acridine Orange hydrochloride is a fluorescent dye of cell-permeable. It binds to nucleic acids, resulting in an altered spectral emission.It is used as a supravital stain and in fluorescence cytochemistry. It may cause mutations in microorganisms.

Calcein (Fluorexon) is a fluorescent dye and self-quenching probe used as an indicator of lipid vesicle leakage, a complexometric indicator for titration of calcium ions with EDTA, and for the fluorometric determination of calcium.

Indocyanine green (Cardiogreen) is a low toxicic fluorescent agent, is a tricarbocyanine dye,has been widely used in medical diagnostics, such as determining cardiac output, hepatic function, and liver blood flow, and for ophthalmic angiography.

Acriflavine (Acriflavinium chloride 3,6-Acridinediamine mix) is a papain-like protease (PL(pro)) inhibitor, a fluorescent dye for labeling high molecular weight RNAs, has antimicrobial and anticancer activity, inhibits SARS-CoV-2 and other β-coronaviruses, and can be used for research on leukemia. be used to study leukemia.

Nile Red ((Nile Blue A oxazone)) is a lipophilic, environment-sensitive fluorescent dye. Highly hydrophobic, with fluorescence significantly enhanced in lipid-rich environments. Commonly used for specific staining of intracellular lipid droplets, with excitation/emission wavelengths of 559/635 nm.

Sulforhodamine B sodium salt (Acid Red 52) is a fluorescent dye. It can be used from laser-induced fluorescence to the quantification of cellular proteins of cultured cells.

Acridine hydrochloride is a nitrogen-containing cationic fluorescent dye that primarily binds to RNA and DNA and is used in cell cycle research. Acridine derivatives exhibit a range of biological activities, including antibacterial, anticancer, antibiotic, anticholinesterase, antileukaemic, antimalarial, antipsychotic, antidepressant, anti-ageing, and telomerase-inhibiting effects.

DiSC3(5) is a lipophilic cationic fluorescent probe sensitive to changes in membrane potential. 3,3'-Dipropylthiadicarbocyanine iodide accumulates in hyperpolarized cell membranes, leading to fluorescence quenching; when the membranes are depolarized, the dye is released from the cells and the fluorescence intensity is enhanced, which is used for real-time monitoring of mitochondrial membrane potential changes and membrane hyperpolarization. The maximum excitation/emission wavelength was 622/670 nm.

Acridine Orange base is a cell-permeable fluorescent dye that binds to nucleic acids and emits different colors of fluorescence, which exhibits green fluorescence when bound to dsDNA (Ex=488 nm, Em=520-524 nm) and red fluorescence when bound to ssDNA or ssRNA (Ex=457 nm, Em=630-644 nm) and can be used for cell cycle analysis and apoptosis detection.