tracer

Naphthoresorcinol (1,3-Dihydroxynaphthalene) is a fluorescent dye with an excitation wavelength (λex) of 330 nm and an emission wavelength (λem) of 380 nm.

JAK2 JH2 Tracer is a fluorescent probe for the JAK2 JH2 domain (Kd: 0.2 μM).

Alizarin Complexone (Alizarin-3-methyliminodiacetic acid) is an inhibitor of Rous-associated virus 2 reverse transcriptase. Alizarin Complexone can be used as a calcium-tracer and a chelating agent for biological studies.

Fluorescein Sodium (VST-1001) is a phthalic indicator dye. It is used therapeutically as a diagnostic aid in corneal injuries and corneal trauma.

GSHtracer is a ratiometric fluorescent probe specifically designed for quantitative measurement of intracellular glutathione concentrations, exhibiting a distinct excitation–emission shift from 520/580 nm to 430/510 nm upon GSH binding, GSHtracer is widely used in redox biology research to monitor cellular oxidative stress, antioxidant capacity, and glutathione-dependent signaling pathways.

CytoTrace Red CMTPX is a cell-permeable, long-lasting cell tracer (Ex=577 nm, Em=602 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.

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

DiI (DiIC18(3)) is a lipophilic membrane dye commonly used as a long-term tracer for neurons and other cells. DiI fluoresces very weakly before it enters the cell membrane, and only after it enters the cell membrane can it be excited to emit a strong orange-red fluorescence (λex=549 nm, λem=565 nm).

FITC-Dextran (MW 60,000-76,000) is a fluorescein isothiocyanate (FITC)-labeled dextran fluorescent probe that is commonly used as a tracer molecule to label and track the action of cells or other biomaterials on semipermeable membranes.

Hydroxystilbamidine bis(methanesulfonate) is a fluorescent cationic dye that binds strongly to DNA and RNA, and is widely used as a retrograde neuronal tracer, while also acting as a potent inhibitor of cellular ribonucleases, making it a versatile research reagent for neuroanatomical tracing, nucleic acid labeling, and studies of RNA stability and degradation.

BODIPY-FL staurosporine (Compound 8a) is a fluorescent probe based on staurosporine, exhibiting high specificity for tyrosine kinases (TK) and tyrosine kinase-like (TKL) families. This compound holds the potential to develop binding assays for kinases that are not recommended for use with kinase Tracer 236, such as PIM3, CDC42BPG, MAP2K7, TXK, and SIK3.

Difluorocarboxyfluorescein cadaverine, 5-isomer, is a carbonyl-reactive moiety used for modifying carboxyl groups via a stable amide bond in the presence of activators such as EDC or DCC, or activated esters like NHS esters. Additionally, it serves as a polar tracer and an active dye for labeling proteins through its carboxylic acid component.

FITC-Dextran (MW 1000) is a compound classified under fluorescent dyes. It is commonly utilized in biomedical research as a tracer molecule to label and track cells or other biological materials. Composed of fluorescein isothiocyanate (FITC) and dextran, the latter being a complex carbohydrate derived from starch, this combination forms a stable fluorescent tracer suitable for microscopic observation or quantification using specialized detection equipment.

18:1 PE TopFluor AF 594 (triammonium) is a fluorescently labeled phospholipid probe. It can be utilized as a fluorescent tracer in lipid nanoparticles (LNPs) and shows potential for use in drug delivery systems.

TAMRA-isoADPr is a fluorescently labeled iso-ADP-ribose tracer compound. It serves as a high-affinity probe for the RNF146 WWE domain, with a dissociation constant (Kd) of 45.2 nM.

pFBC ([18F]pEBC) is a covalent CLIP-tag radioactive tracer utilized for identifying viral reporter gene transfer in the brains of mice, facilitating research in neurobiology.

FAPLigand 2 is a derivative of FAPI-46 and serves as a specific tracer targeting fibroblast activation protein (FAP). It exhibits excellent tumor uptake, making it a promising molecular tracer for FAP tumor imaging.

CXCR2Probe 1 (Compound[18F]16b) is a selective ligand for CXCR2 and serves as a radioactive tracer for PET imaging of neutrophils in inflammatory diseases.

Exendin-4, Cy5 labeled TFA is a Cy5-tagged version of Exendin 4. It serves as an in vivo β-cell tracer. Exendin 4 is a long-acting GLP-1 receptor agonist.

FITC-Dextran (MW 40000) is a kind of dextran fluorescent probe labeled with fluorescein isothiocyanate (FITC) (Ex=495 nm; Em=525 nm). FITC-Dextran (MW 400000) can be used as a tracer marker to reveal heat shock-induced cell injury and detect the early and late stages of apoptosis. In addition, this probe can be used in the study of cell permeability, including the permeability of the blood-brain barrier and the quantitative analysis of its damage degree.

FITC-Dextran (MW 70,000) is a fluorescent probe formed by the covalent coupling of fluorescein isothiocyanate (FITC) to branched dextran (Ex=495 nm; Em=525 nm). FITC-Dextran (MW 70,000) does not readily cross intact endothelial barriers and is widely used in scientific research as a macromolecular fluorescent tracer for studies of vascular permeability, intestinal barrier function, cellular endocytosis, and drug delivery systems.