All Dyes

Cat. No.

A44779

CAS No.

2183440-58-4

Sulfo-Cyanine5.5 maleimide potassium

Synonyms: Sulfo-Cy5.5 maleimide potassium

Sulfo-Cyanine5.5 maleimide potassium is a near-infrared (NIR) fluorescent dye that targets sensitive biomolecules for effective labeling. With an excitation maximum at 675 nm and an emission maximum at 694 nm, it is well-suited for visualizing proteins, nanoparticles, and hydrophilic biopolymers in various biological research applications. This reagent is particularly advantageous in fluorescence imaging and tracking studies, enabling advanced investigations in cellular and molecular biology.

Cat. No.

A44780

CAS No.

943298-08-6

CY7

Synonyms: Sulfo-Cyanine7

CY7 is a Cyanine dye known for its exceptional fluorescent properties, operating at long wavelengths with adjustable absorption and emission. Its high extinction coefficient and good water solubility make it an ideal choice for labeling proteins, antibodies, and small molecular compounds. The straightforward mixing reaction facilitates efficient conjugation with protein antibodies, enhancing the visibility and tracking of biomolecules in various applications, including imaging and flow cytometry.

Cat. No.

A44781

CAS No.

863918-78-9

Methoxy-X04

Methoxy-X04 is a fluorescent dye that selectively targets beta-pleated sheets associated with amyloid Aβ plaques, effectively crossing the blood-brain barrier. It exhibits a strong in vitro binding affinity for amyloid beta (Aβ) fibrils, with a Ki value of 26.8 nM. This compound is particularly valuable for visualizing plaques, tangles, and cerebrovascular amyloid in postmortem Alzheimer's disease brain sections, providing robust specificity for research applications in neurodegenerative disease studies.

Cat. No.

A44782

CAS No.

149838-22-2

FM1-43

FM1-43 is a lipophilic styrene dye that targets cell membranes and inner membrane organelles, generating fluorescence. It is extensively utilized to study endocytosis and exocytosis, serving as a vital marker for membrane dynamics. This reagent is instrumental in understanding membrane trafficking and cellular uptake processes in various biological systems.

Cat. No.

A44783

CAS No.

254109-22-3

DAF-FM DA

Synonyms: Diaminofluorescein-FM diacetate

DAF-FM DA (Diaminofluorescein-FM diacetate) is a fluorescent probe specifically designed for the detection and bioimaging of nitric oxide (NO) in live cells. This compound efficiently penetrates the plasma membrane and is hydrolyzed by intracellular esterases, yielding the fluorescent DAF-FM (Ex/Em=495/515 nm). DAF-FM DA is widely used in studies exploring NO signaling pathways and its role in various physiological and pathological processes.

Cat. No.

A44784

CAS No.

854647-88-4

SYTO9

SYTO9 is a green fluorescent nucleotide dye that selectively binds to nucleic acids, with excitation at 485 nm and emission at 498 nm for DNA and 501 nm for RNA. This dye exhibits the ability to penetrate intact cell membranes of viable bacteria, with increased permeability observed in compromised membranes. SYTO9 is commonly utilized in fluorescence microscopy, flow cytometry, and fluorometric assays in microbiology, enabling applications in bacterial viability assessment, cell imaging, and quantification of microbial populations.

Cat. No.

A44785

CAS No.

156840-13-0

HBC

Synonyms: HBC 530

HBC (HBC 530) is a synthetic RNA dye featuring a GFP fluorophore-like structure that employs a rigid electron acceptor coupled with a strong electron donor. Known for its low fluorescence background, HBC forms a stable complex with Pepper (RNA aptamer), resulting in bright fluorescence emission with a Kd of approximately 3.5 nM. Emission peaks can be tuned across a spectrum from cyan to red depending on the complex formed. This versatile dye is suitable for live-cell imaging applications of RNA, with an emission/excitation wavelength of 530/485 nm.

Cat. No.

A44787

CAS No.

1437796-65-0

Cy5 maleimide

Synonyms: Cyanine5 maleimide

Cy5 maleimide is a cyanine-based fluorescent dye that covalently binds to thiol groups in proteins and other biomolecules. Characterized by its long wavelength emission, high extinction coefficient, and excellent water solubility, Cy5 maleimide is ideal for applications in fluorescence microscopy, flow cytometry, and other labeling techniques. The straightforward mixing reaction facilitates efficient labeling of proteins and antibodies, making it a valuable tool for various biological research applications, including immunoassays and in vivo imaging studies.

Cat. No.

A44788

CAS No.

81-37-8

Fluorol Yellow 088

Synonyms: 2,8-Dimethylnaphtho[3,2,1-kl]xanthene

Fluorol Yellow 088 is a fluorescent dye designed for use in biological and organic research applications. It exhibits excellent properties for lipid staining in plant tissues, particularly facilitating the fluorescence imaging of suberized cell walls and hydrophobic structures. This dye has an excitation wavelength of 365 nm and an emission wavelength of ≥420 nm, making it ideal for studies involving cellular architecture and lipid distribution.

Cat. No.

A44789

CAS No.

989-38-8

Rhodamine 6G

Synonyms: Basic Red 1

Rhodamine 6G is a cationic fluorescent dye that targets mitochondrial membrane potentials. It specifically localizes to mitochondria, emitting bright fluorescence, making it an effective tool for visualizing mitochondrial dynamics in various biological systems. With low toxicity at certain concentrations, Rhodamine 6G is widely employed in research applications involving animal cells, plant cells, and microorganisms to study mitochondrial function and health.

Cat. No.

A44790

CAS No.

1497420-70-8

CY5-SE triethylamine salt

Synonyms: Cy5 NHS Ester triethylamine salt; Sulfo-Cyanine5 Succinimidyl Ester triethylamine salt

CY5-SE triethylamine salt is a fluorescent probe primarily utilized for the labeling of amino groups in peptides, proteins, and oligonucleotides. This reactive dye facilitates efficient labeling of soluble proteins and various peptides, providing enhanced fluorescence characteristics. With an excitation wavelength of 649 nm and an emission wavelength of 670 nm, CY5-SE triethylamine salt is ideal for applications in molecular biology and biochemistry, including imaging and tracking of biomolecules.

Cat. No.

A44791

CAS No.

172616-80-7

IR-820

Synonyms: New Indocyanine Green

IR-820 is an infrared dye that functions as a blood pool contrast agent. This compound exhibits excellent properties for visualizing and quantifying diseased tissue in live animal models using laser and near-infrared imaging techniques. Its applications extend to biomedical research, particularly in the areas of oncology and tissue engineering.

Cat. No.

A44793

CAS No.

3326-34-9

5-Aminofluorescein

Synonyms: 5-AF

5-Aminofluorescein (5-AF) is a fluorescent marker that exhibits strong fluorescence properties, covalently attached to human serum albumin. With an excitation wavelength of 495 nm and an emission wavelength of 535 nm, this reagent is widely used in biological imaging applications. Its ability to enhance visualization in various assays makes it an invaluable tool for cellular and molecular biology research.

Cat. No.

A44794

CAS No.

234075-45-7

Phen Green SK diacetate (5/6-mixture)

Synonyms: PGSK diacetate (5/6-mixture)

Phen Green SK diacetate (5/6-mixture) is a metal ion-sensitive fluorescent probe designed to penetrate cell membranes for effective intracellular analysis. This reagent selectively chelates metal ions such as Fe2+, Cd2+, Co2+, Ni2+, and Zn2+, leading to fluorescence quenching, which can be reversed by the addition of a membrane-permeable chelator. The probe's excitation and emission maxima are at 507 nm and 532 nm, respectively, making it a valuable tool for studying cellular iron dynamics and the intracellular chelatable iron pool in various biological research applications.

Cat. No.

A44795

CAS No.

98907-26-7

N-Aminofluorescein

N-Aminofluorescein is a highly selective fluorescence probe targeting Cu2+ ions, functioning effectively through its unique spirofluorescein hydrazide structure. This compound exhibits minimal fluorescence response to other metal ions, making it suitable for the direct detection of copper ions within biological systems, with excitation and emission wavelengths of λex/em=495/516 nm. N-Aminofluorescein is valuable for quantifying copper ion concentrations in cellular environments, facilitating studies on metal ion roles in biological processes.

Cat. No.

A44796

CAS No.

95197-95-8

TRITC

Synonyms: 5(6)-Tetramethylrhodamine isothiocyanate

TRITC (5(6)-Tetramethylrhodamine isothiocyanate) is a fluorescent dye that emits red fluorescence (Ex/Em ≈ 550/580 nm), making it suitable for various labeling applications. This dye is commonly utilized in cell imaging, allowing for the visualization and tracking of cellular processes. Its compatibility with multiple biological systems enhances its utility in research settings focused on cell biology and fluorescence microscopy.

Cat. No.

A44797

CAS No.

817170-66-4

Peroxyfluor 1

Peroxyfluor 1 is a cell-permeable probe specifically designed for the detection of hydrogen peroxide (H2O2). This first-generation green-fluorescent probe enables the visualization of H2O2 levels in live cells, facilitating studies on oxidative stress and related biological processes. Its application is essential in research focusing on redox signaling, cellular responses to oxidative damage, and the role of H2O2 in various pathophysiological conditions.

Cat. No.

A44798

CAS No.

64724-75-0

Oxonol VI

Oxonol VI is a membrane potential fluorescence dye that serves as an optical indicator for lipid vesicles, with excitation and emission wavelengths of 614 nm and 646 nm, respectively. This reagent is effective in detecting changes in membrane potential related to (Na+ + K+)-ATPase activity in reconstituted vesicles. Its ability to provide real-time insights into membrane dynamics makes it valuable for studies in cellular physiology and membrane biophysics.

Cat. No.

A44799

CAS No.

959839-06-6

C-Laurdan

C-Laurdan is a fluorescent membrane probe designed to image lipid rafts through environmentally sensitive fluorescence. This modified Laurdan compound effectively studies lipid arrangement and fluidity within biological and artificial membranes. Its applications are essential for understanding membrane dynamics and the organization of membrane microdomains in various cellular processes.

Cat. No.

A44801

CAS No.

571186-05-5

BODIPY TR Ceramide

Synonyms: Golgi-Red Tracke

BODIPY TR Ceramide is a Golgi apparatus probe that targets ceramide transport pathways to facilitate specific labeling of the Golgi apparatus. This BODIPY-labeled ceramide derivative is synthesized in the endoplasmic reticulum and utilizes ceramide transport protein (CERT) or vesicular translocation for localization. BODIPY TR Ceramide enables visualization of individual cells, making it a valuable tool for studying Golgi morphology and function. The excitation and emission wavelengths are 589 nm and 616 nm, respectively.

Cat. No.

A44802

CAS No.

2966536-18-3

Fast-TRFS

Fast-TRFS is a selective fluorogenic probe designed to rapidly visualize thioredoxin reductase (TrxR) activity. This probe enables real-time imaging of TrxR in live cells, facilitating studies on redox signaling pathways and the cellular response to oxidative stress. Fast-TRFS is an essential tool for researchers investigating the role of TrxR in various biological processes.

Cat. No.

A44803

CAS No.

51649-83-3

6-Aminofluorescein

Synonyms: 6-AF

6-Aminofluorescein is a fluorescent labeling reagent widely employed as a marker in various biological applications. Its distinctive fluorescence properties, with an excitation/emission maximum of 490/515 nm, facilitate the labeling of nanostructures such as fullerene-based liposome nanocarriers, commonly referred to as 'buckysomes.' This compound is instrumental in studies involving cellular imaging, drug delivery systems, and other fluorescence-based assays in chemical and biological research.

Cat. No.

A44804

CAS No.

477908-53-5

CY7-SE

Synonyms: Sulfo-Cyanine7 Succinimidyl Ester

CY7-SE is a fluorescent dye from the Cyanine family, characterized by its long wavelength and high extinction coefficient. This compound exhibits adjustable absorption and emission properties, as well as excellent water solubility, making it ideal for labeling applications in biological research. CY7-SE is commonly utilized for the labeling of proteins, antibodies, and small molecules, facilitating efficient conjugation through straightforward mixing reactions. Its versatile properties enable its application in a variety of fluorescence-based assays and imaging techniques.

Cat. No.

A44805

CAS No.

2031170-85-9

HKOCl-4

Synonyms: BXY2142

HKOCl-4 is a rhodol-based fluorescent probe designed for the sensitive and selective detection of hypochlorous acid (HOCl). It offers enhanced stability across various pH environments and has a longer absorption wavelength compared to traditional fluorescein-based probes, with an excitation peak at 530 nm and emission at 557 nm. HKOCl-4 is ideal for biological research applications focusing on oxidative stress and inflammation, providing valuable insights into cellular processes involving HOCl.

Cat. No.

A44806

CAS No.

254109-20-1

DAF-FM

DAF-FM is a cell-impermeant diaminofluorescein compound specifically designed as a fluorescent probe for the detection of nitric oxide (NO) in biological samples. Its excellent pH tolerance allows for effective imaging in various physiological conditions. DAF-FM is widely utilized in research applications involving NO signaling pathways, providing researchers with a valuable tool for studying nitric oxide's role in cellular processes.