All Dyes

Cat. No.

A24966

CAS No.

5398-34-5

ANTS

ANTS is a fluorescent dye characterized by an excitation wavelength of 380 nm and an emission wavelength of 520 nm. This compound is utilized for assessing membrane integrity, particularly in studies involving liposomal formulations, where it effectively measures membrane leakage when encapsulated alongside DPX. ANTS is a valuable tool in biochemical and cellular research applications that require precise monitoring of membrane dynamics.

Cat. No.

A24967

CAS No.

10510-77-7

Phenazine ethosulfate

Phenazine ethosulfate is a cationic fluorescent dye characterized by an excitation wavelength of 390 nm and an emission wavelength of 530 nm. This compound serves as an electron acceptor and is utilized in dye-linked enzyme assays. It is particularly effective in detecting nitric oxide reductase (Nors) activity in conjunction with ascorbic acid, making it valuable for biochemical research involving enzyme functions and redox reactions.

Cat. No.

A24968

CAS No.

108708-22-1

6-NBDG

6-NBDG is a fluorescent glucose analogue that selectively targets glucose transport mechanisms. It serves as an effective tool for fluorescence imaging, enabling the monitoring of glucose uptake in various biological contexts. Additionally, 6-NBDG can be utilized as a fluorescent probe to detect macrophage-rich atherosclerotic plaques, contributing to research in cardiovascular diseases and metabolic disorders.

Cat. No.

A24969

CAS No.

2225748-05-8

SYBR green I chloride

Synonyms: NucGel Green I Nucleic Acid Gel Stain; Green I Nucleic Acid Gel Stain

SYBR Green I Chloride is a versatile nucleic acid stain that primarily interacts with double-stranded DNA. It exhibits high fluorescence upon binding, making it an essential tool in quantitative PCR, gel electrophoresis, and various molecular biology applications. This dye is useful for visualizing and quantifying nucleic acids in research studies, enabling the analysis of gene expression, pathogen detection, and other genomic investigations. Additionally, its properties facilitate studies in cell biology and diagnostics, supporting a broad spectrum of scientific research and clinical applications.

Cat. No.

A24970

CAS No.

62796-23-0

Merocyanin 540

Merocyanin 540 is a fluorescent membrane probe that selectively labels the membranes of electrically excitable cells while excluding non-excitable cells (Ex/Em: 540/580 nm). This compound is particularly useful in studies involving neuronal activity and can aid in the visualization of membrane dynamics in various cell types. Its selective staining capabilities make it a valuable tool for researchers investigating membrane properties and excitability in cellular systems.

Cat. No.

A24972

CAS No.

14855-76-6

Methyl Green

Methyl Green is a non-intercalating fluorescent dye that targets DNA by selectively binding to the major groove. It exhibits high affinity, resistance to photobleaching, and stable fluorescence emission, making it suitable for various applications. Methyl Green can be utilized for fluorescent labeling of nuclei in embryonic tissues or cells, as well as for DNA staining and assessing cell activity in gel electrophoresis. Its fluorescence peaks are observed at 633 nm and 677 nm, enabling direct measurement through microscopy and flow cytometry.

Cat. No.

A24973

CAS No.

1758-68-5

1,2-Diaminoanthraquinone

1,2-Diaminoanthraquinone is a selective and nontoxic fluorescent probe for the detection of nitric oxide (NO). It demonstrates high sensitivity with a detection limit of 5 μM, making it suitable for measuring NO production in live cells and animal models. This compound absorbs maximally at approximately 540 nm, facilitating accurate imaging and analysis in various biological research applications.

Cat. No.

A24974

CAS No.

1064123-31-4

LysoTracker Yellow HCK 123

LysoTracker Yellow HCK 123 is a membrane-permeable fluorescent probe that selectively targets acidic cellular compartments. This compound is a weakly basic amine that accumulates in environments with low luminal pH, enabling researchers to visualize and study lysosomal dynamics and function. It is widely utilized in cellular imaging applications to investigate cellular processes such as autophagy, metabolism, and organelle dynamics.

Cat. No.

A24975

CAS No.

152068-09-2

YO-PRO-1

YO-PRO-1 is a green fluorescent dye designed for detecting apoptotic and necrotic cells through its inability to penetrate intact cell membranes. It exhibits a strong affinity for DNA; when bound, it emits a bright green fluorescence (Ex/Em: 488/530±30 nM), facilitating the identification of cellular states. YO-PRO-1 is commonly utilized in conjunction with other reagents, such as Propidium Iodide, enhancing the analysis of cell viability and apoptosis in various biological research applications.

Cat. No.

A24976

CAS No.

63560-89-4

DiBAC4(5)

DiBAC4(5) is a voltage-sensitive fluorescent dye that targets changes in membrane potential. It is widely used to monitor transmembrane potentials in various cell types, including Papain-dissociated retinal cells from adult zebrafish in the presence of GABAergic ligands. This reagent facilitates the study of excitability and membrane dynamics, contributing to research on neuronal signaling and cell physiology.

Cat. No.

A24977

CAS No.

105802-46-8

4-Di-2-ASP

4-Di-2-ASP is a styryl pyridinium fluorescent dye primarily used as a mitochondrial marker. This compound demonstrates reliable and specific labeling of neuroepithelial bodies (NEBs) in pulmonary tissues, facilitating the investigation of mitochondrial dynamics and cellular respiration. Its application is critical in studies aimed at understanding respiratory physiology and neuroepithelial signaling.

Cat. No.

A24978

CAS No.

1448821-82-6

HKGreen-4I

HKGreen-4I is a selective fluorescent probe for the detection of peroxynitrite (ONOO-) in living cells. With a maximum excitation wavelength of 520 nm and emission wavelength of 543 nm, this highly sensitive indicator enables real-time monitoring of oxidative stress. It is useful for research applications involving nitric oxide signaling, reactive oxygen species, and related cellular processes.

Cat. No.

A24997

CAS No.

92-32-0

Pyronin Y

Synonyms: Pyronine G; C.I. 45005

Pyronin Y, a cationic dye, primarily targets RNA by intercalating with nucleic acids. This compound forms fluorescent complexes with double-stranded RNA, facilitating semi-quantitative analysis of cellular RNA levels. Pyronin Y is suitable for identifying specific RNA subspecies within ribonucleoprotein complexes in living cells, making it a valuable tool for studies in molecular biology and cellular research.

Cat. No.

A24999

CAS No.

3443-45-6

1-Pyrenebutyric acid

1-Pyrenebutyric acid is a fluorescence probe that exhibits a fluorescence lifetime sensitive to local oxygen and free radical concentrations. It is utilized in fluorescence-based assays for DNA determination and can serve as a linker for biomolecules, facilitating the formation of self-assembled monolayers on graphene. Additionally, this compound is employed for quantifying free radicals in both solution and living cell systems, enhancing research in oxidative stress and related biological processes.

Cat. No.

A25000

CAS No.

157199-59-2

NIR-Red Dead Cell-1 Dye

NIR-Red Dead Cell-1 Dye is a DNA-binding fluorochrome designed for the detection of necrotic and late apoptotic cells by intercalating into double-stranded DNA. It emits strong green fluorescence (Ex/Em=515 nm/531 nm) when bound to damaged cell membranes, making it an effective tool for distinguishing live cells from dead cells in fluorescence microscopy and flow cytometry applications. Additionally, NIR-Red Dead Cell-1 Dye can be conjugated to Feraheme nanoparticles, facilitating its use in drug delivery studies by providing fluorescent labeling.

Cat. No.

A25001

CAS No.

95378-73-7

4-Di-10-ASP

4-Di-10-ASP is a fluorescent lipophilic tracer that primarily targets phospholipid membranes with its excitation wavelength at 485 nm and emission at 620 nm. This compound is utilized for specific staining of cellular membranes, aiding in studies of membrane dynamics and organization. Its application is particularly valuable in cellular biology and neuroscience research, where visualization of lipid membrane structures is essential.

Cat. No.

A25002

CAS No.

932013-08-6

Rhodamine 6G hydrazide

Synonyms: R6GH

Rhodamine 6G hydrazide is a fluorescent dye known for its strong absorbance and emission characteristics. It exhibits robust colorimetric and fluorescent properties, making it suitable for a variety of sensing applications. This reagent is commonly utilized in biochemical assays and imaging studies, facilitating the detection of specific biomolecules.

Cat. No.

A25005

CAS No.

2119597-33-8

CAY10731

CAY10731 is a highly selective fluorescent probe designed for the detection of hydrogen sulfide (H2S). This compound enables precise monitoring of both exogenous and endogenous H2S levels in various cell types, including cancerous and normal cells. CAY10731 is also effective for imaging H2S in living tissues at different depths and is applicable in studies involving nematodes, advancing research in cellular signaling and physiology.

Cat. No.

A25006

CAS No.

547-58-0

Methyl Orange

Methyl Orange is an azo dye primarily utilized as an acid-base indicator. It exhibits a color change from red at pH 3.1 to bright yellow at pH 4.4, facilitating its application in various pH-related experiments. In addition to its use in acid-base titrations, Methyl Orange is employed for cellular staining and dyeing textiles. Notably, at concentrations of 500 mg/L, it has been shown to exhibit cytotoxic effects and can induce DNA damage, making it relevant for studies in cytotoxicity and genotoxicity.

Cat. No.

A25007

CAS No.

1034863-51-8

RB-OPD

Synonyms: NO-red

RB-OPD is a nitric oxide (NO) fluorescent probe that utilizes an o-phenylenediamine (OPD) lock mechanism to enhance sensitivity and selectivity. With excitation and emission wavelengths of 550 nm and 590 nm, respectively, this probe is designed for reliable detection of NO in various biological systems. It is ideal for applications in cellular imaging and research on NO signaling pathways, providing valuable insights into nitric oxide's role in physiological and pathological processes.

Cat. No.

A25009

CAS No.

83907-40-8

SPQ

SPQ (Sodium Coumarin-3-Carboxylic Acid) is a fluorescent dye primarily utilized for measuring chloride ion concentrations and transport dynamics. This compound exhibits high sensitivity and specificity, making it suitable for studying chloride ion transients in vesicles, cells, and intact epithelial tissues. SPQ is an essential tool for researchers investigating chloride ion signaling and transport mechanisms in various biological systems.

Cat. No.

A25012

CAS No.

548-24-3

Eosin B

Synonyms: Acid Red 91

Eosin B (Acid Red 91) is a multifunctional dye that primarily serves as a vital tool in biological research. Its primary mechanism involves staining biological samples, enabling the visualization and analysis of cell structures, tracking of biomolecules, and evaluation of cell functions. Eosin B is instrumental in distinguishing cell types, detecting biomolecules, studying tissue pathology, and monitoring microorganisms, making it suitable for diverse applications in both fundamental scientific research and clinical diagnostics. Additionally, it finds utility in traditional textile dyeing and emerging areas such as food pigments and dye-sensitized solar cells.

Cat. No.

A25013

CAS No.

82855-40-1

JOE

JOE is a fluorescent dye designed for use as a fluorescent label in various nucleic acid amplification techniques, including DNA sequencing, polymerase chain reaction (PCR), and ligase chain reaction (LCR). With an absorbance maximum at 525 nm and an emission maximum at 550 nm, JOE provides enhanced sensitivity and specificity for detecting DNA. This compound is essential for applications requiring precise monitoring of nucleic acid interactions and concentrations.

Cat. No.

A25015

CAS No.

94885-04-8

C6 NBD Sphingomyelin

C6 NBD Sphingomyelin is a fluorescent analogue of sphingomyelin, designed to study lipid dynamics within cellular membranes. This compound serves as a valuable tool for investigating the incorporation of sphingomyelin into the plasma membrane and its behavior under various biological conditions. C6 NBD Sphingomyelin is particularly useful in research involving Chlamydia trachomatis, as it can be synthesized from C6-NBD-ceramide and localized within the chlamydial inclusion. Its fluorescent properties enable visualization and analysis of sphingomyelin metabolism and distribution in cellular processes.

Cat. No.

A25016

CAS No.

1668-00-4

Arsenazo III

Arsenazo III is a metallochromic dye that functions as a chelating agent and cation complexing agent. This compound forms stable 1:1 complexes with various cations, including Ca2+, Mg2+, Sr2+, Ba2+, K+, and Na+, with binding affinity influenced by pH and alkali metal cation concentration. Arsenazo III is widely utilized as a colorimetric indicator for the detection of micromolar levels of ionized calcium in cellular studies, making it a valuable tool in biochemical and physiological research.