Dyes

AOI 987 is an oxazine dye that serves as a fluorescent molecule, enabling visual tracking of biological macromolecules. Its ability to bind effectively to various biomolecules facilitates its use in fluorescence microscopy and cellular imaging applications, making it a valuable tool for researchers investigating cellular processes and biomolecular interactions.

Pegulicianine is an activatable fluorescent imaging agent primarily used in fluorescence-guided surgery. Its properties enable effective visualization of tumor margins during surgical procedures, particularly in breast cancer. This imaging agent enhances the accuracy of tumor resection, thereby improving patient outcomes in oncological surgeries.

PF-06649283 is a fluorescent dye that exhibits potential intracellular activity. Its effects may be influenced by cellular metabolism, protein-protein interactions, post-translational modifications, and asymmetric localization within cells. This compound demonstrates variable potency at the cellular level compared to recombinant enzymes, a distinction that is important for drug discovery applications. The enhanced intracellular potency of PF-06649283 is essential for its use as both a probe and a therapeutic agent in research settings.

2-Aza-ε-adenosine is a multifunctional dye recognized for its utility in biological research. This compound facilitates the observation and analysis of cellular structures, tracking of biomolecules, and evaluation of cell functions, making it an invaluable tool in various research applications, including tissue pathology and microbiological monitoring. Additionally, 2-Aza-ε-adenosine finds diverse uses beyond biological studies, such as in textile dyeing and emerging technologies like dye-sensitized solar cells.

Primulin is a fluorescent dye that exhibits strong binding affinity for albumin, making it a valuable tool in various analytical and biological studies. This compound effectively labels plant cell walls and distinguishes between live and dead spermatozoa through distinct fluorescence patterns. In neurobiology, Primulin serves as a retrograde axonal tracer, while its derivatives demonstrate inhibitory activity against HCV NS3 and interference with dengue virus NS3-mediated ATP hydrolysis. Additionally, Primulin disrupts HCV replicase assembly, highlighting its potential in virology research applications.

Cyanine 3.5 azide is a fluorescent dye featuring an azide functional group, making it suitable for click chemistry applications. It effectively participates in copper-catalyzed azide-alkyne cycloaddition (CuAAc) reactions with alkyne-containing compounds, as well as in strain-promoted alkyne-azide cycloaddition (SPAAC) with DBCO or BCN groups. This versatile reagent exhibits excitation and emission maxima at 591 nm and 604 nm, respectively, and is ideal for labeling and imaging studies in chemical biology and biomolecular research.

4-Methyl-7-(2-nitrophenoxy)-2H-chromen-2-one functions as a selective fluorescent probe for selenols, utilizing a nucleophilic aromatic substitution mechanism. This compound demonstrates the ability to accurately detect selenols in neutral aqueous environments while minimizing interference from thiols, amines, and alcohols commonly found in biological systems. Its applications include quantifying selenium levels in selenoenzymes and visualizing endogenous selenol activity in live cells.

Meso-Cl cyanine 7 free acid chloride is a fluorescent dye targeting amine groups on biomolecules. It is particularly useful for labeling antibodies, nucleic acids, and proteins, enabling enhanced visualization in various fluorescence detection techniques including microscopy and flow cytometry. The dye exhibits excitation and emission wavelengths of 778 nm and 805 nm, respectively, making it suitable for multiplex applications in biological research.

Ac-GAK-AMC is a fluorescent substrate designed to measure protease activity through the hydrolysis of the compound. Upon enzymatic cleavage by proteases, Ac-GAK-AMC releases 7-amino-4-methylcoumarin (AMC), resulting in a detectable fluorescent signal. This reagent is suitable for various research applications, including enzyme assays and studying proteolytic pathways.

A 53693 is a fluorescent dye that selectively acts as an adrenergic agonist, primarily targeting alpha-2 receptor subtypes. This compound demonstrates a high affinity for certain rat alpha-2 receptors while exhibiting low affinity for alpha-1 receptors. A 53693 serves as a valuable probe in biological research, enabling the investigation of molecular interactions between alpha agonist compounds and their respective receptors.

Flutax 1 is a fluorescent derivative of Paclitaxel that effectively targets microtubules. Its unique fluorescent properties, with an excitation/emission wavelength of 495 nm/520 nm, enable precise microtubule staining in cellular studies. This compound is ideal for investigating microtubule dynamics and interactions in various biological research applications.

NE11808 is a fluorescent dye that acts as an antiresorptive agent by inhibiting osteoclast prenylation. It effectively suppresses protein prenylation in osteoclasts, making it a valuable tool for studying osteoclastic activity and bone resorption processes. This compound is particularly useful in research applications related to bone biology and osteoporosis.

Ala-Ala-Phe-AMC TFA is a fluorogenic substrate utilized for the assessment of tri-peptidyl peptidase II (TPPII) activity. This compound provides a sensitive tool for monitoring enzymatic activity, facilitating research in proteolytic processes and related biological pathways. Its fluorescent properties make it valuable for various applications in biochemical assays and enzyme kinetics studies.

18:1 SquareFluor(629/648) PE ammonium is a fluorescent lipid designed for visualization of cell membranes, excitable at 629 nm with emission at 648 nm. This reagent enables precise imaging applications in cellular biological studies, providing insights into membrane dynamics and organization. Its fluorescent properties make it an essential tool for researchers investigating lipid interactions and cell membrane behavior.

14:0-6:0(C2 NBD) PI(4,5)P2 TEA is a fluorescent phosphoinositide labeled with Nitrobenzoxadiazole (NBD), exhibiting excitation and emission maxima at 460 nm and 540 nm, respectively. This compound is useful for studying lipid signaling pathways and membrane dynamics in various biological systems. Its fluorescent properties enable visualization of phosphoinositide localization and interactions in cellular contexts, making it an essential tool for researchers investigating cell signaling mechanisms.

Ala-Phe-Lys-AMC is a fluorogenic substrate designed for the assessment of residual plasmin activity. This compound releases a fluorescent signal upon cleavage, allowing for sensitive detection and quantification of plasmin activity in various biological samples. It is widely utilized in research applications focusing on fibrinolysis and related proteolytic processes.

MCA-AVLQSGFR-Lys(Dnp)-Lys-NH2 is a fluorescent substrate designed for fluorescence resonance energy transfer (FRET) protease assays. This compound effectively facilitates the measurement of SARS-CoV-2 3CLpro activity, enabling researchers to investigate protease activity in viral infections and assess potential therapeutic interventions. Its use in biochemical assays provides valuable insights into enzyme kinetics and protein interactions in disease models.

(E)-2-Hexadecenal alkyne is a fluorescent dye that serves as a chemical probe to investigate the cellular targets of 2-trans-Hexadecenal. This compound covalently modifies a range of proteins within cells, making it an effective tool for studying diseases associated with lipid metabolism. Researchers can utilize this reagent to gain insights into protein interactions and signaling pathways influenced by lipid-derived compounds.

Mito-laurdan bromide is a fluorescent probe designed to target lipid environments within mitochondria. This compound features a cationic triphenylphosphonium moiety that selectively accumulates at the inner mitochondrial membrane due to the negative membrane potential, connected by a three-carbon linker. Mito-laurdan bromide enables the study of lipid dynamics and organization in mitochondrial membranes, making it an invaluable tool for research in bioenergetics and mitochondrial function.

Cyanine 7.5 maleimide chloride is a near-infrared fluorescent dye, designed for specific labeling applications in biochemical research. This compound exhibits exceptional properties, including a long wavelength, high extinction coefficient, and excellent water solubility, making it an ideal choice for the selective labeling of proteins, antibodies, and small molecules. It can facilitate efficient conjugation through a straightforward mixing reaction, enabling researchers to visualize and track biomolecules with precision in various applications such as cellular imaging and protein interaction studies.

HKSOX-1 is a fluorescent dye specifically designed for the sensitive and selective detection of superoxide anion radicals (O2•−) within cellular environments. Utilizing an aryl trifluoromethanesulfonate moiety, this probe undergoes O2•−-mediated cleavage, resulting in the release of a free phenol and subsequent fluorescence emission. HKSOX-1 exhibits high specificity and sensitivity across various pH levels and is resistant to interference from common oxidants and reductants in biological systems. Its derivative, HKSOX-1r, is optimized for cellular retention and has been effectively utilized in assays such as confocal microscopy, flow cytometry, and zebrafish embryo research, making it valuable for studies related to O2•− in inflammation and mitochondrial stress.

5-Aminofluorescein hydrochloride is a highly effective fluorescent dye primarily utilized for protein labeling. This reagent exhibits strong fluorescence activity, making it ideal for cell imaging and the development of molecular probes in biomedical research. Its capabilities enable the visualization of protein localization and dynamic changes, facilitating a deeper understanding of biological processes. Additionally, 5-Aminofluorescein hydrochloride is valuable for detecting interactions between biomolecules, thereby aiding in the analysis of complex biological phenomena.

NBD-FTY720 phenoxy hydrochloride is a fluorescently-labeled analog of FTY720, a potent modulator of sphingosine 1-phosphate (S1P) receptors. This compound provides a valuable tool for studying S1P receptor signaling pathways in various biological contexts. Its fluorescence allows for visualization and tracking in cellular assays, making it suitable for research applications in immunology, cardiovascular studies, and neurobiology.

Calpain-1 substrate, fluorogenic is a sensitive and specific substrate designed for detecting calpain-1 activity. This substrate is cleaved at the Tyr-Gly bond, resulting in enhanced fluorescence detectable at excitation/emission wavelengths of 490 nm/518 nm. It is valuable in studying calpain-related processes and evaluating the role of calpain-1 in various biological contexts.

OrangeIV is an azo dye known for its vibrant coloration and versatility in chemical applications. It plays a significant role in click chemistry, facilitating the formation of diverse chemical structures through covalent bonding. OrangeIV is widely utilized in various research contexts, including organic synthesis and the development of fluorescent probes.

4-Amino-3-hydroxynaphthalene-1-sulfonic acid is a fluorescent dye that exhibits notable optical properties, making it suitable for various imaging applications. This compound can form polypyrrole (PPy) conducting films in combination with pyrrole, thereby facilitating studies in electrochemistry. Its unique fluorescence characteristics allow for enhanced detection and visualization in biochemical assays.

Disperse violet 8 is a fluorescent dye that exhibits strong absorbance and emission properties in the violet spectrum. It is widely utilized in biological research for labeling and imaging applications, allowing for the visualization of cellular components and processes. This compound is particularly valuable in studies involving fiber dyeing and the assessment of tissue samples.

Citrazinic acid is a weakly fluorescent compound that exhibits optical properties influenced by its aggregation states and surrounding chemical environment. At elevated concentrations, Citrazinic acid tends to form dimers, which can significantly impact its fluorescence characteristics. This compound is useful for studies requiring fluorescence detection and can aid in understanding molecular interactions and environmental effects on fluorescence properties.

Disperse Red 86 is a fluorescent dye primarily targeting anthraquinone derivatives. Exhibiting vibrant red fluorescence, this compound is widely utilized in various applications including biological imaging, textile dyeing, and cosmetic formulations. Its ability to provide strong coloration and stability makes it an essential reagent for research in fluorescence microscopy and material sciences.

Sudan IV is a fat-soluble disazo dye that functions as an agonist of the aryl hydrocarbon receptor (AhR), activating downstream signaling pathways and inducing the expression of CYP1A1. This compound enhances CYP1A1 gene transcription through the formation of AhR-ARNT heterodimers and binding to xenobiotic response elements (XREs) in DNA, thereby increasing drug-metabolizing enzyme activity. Sudan IV is utilized in research to investigate the toxicity mechanisms associated with industrial dyes and to explore the effects of serum protein interactions, such as with bovine serum albumin (BSA), on in vivo distribution. Additionally, it serves as a stain for lipids, triglycerides, and lipoproteins in frozen tissue sections.

Disperse Red 13 is a fluorescent dye targeting various applications in the fields of plastics, textiles, and cosmetics. This anthraquinone-derived compound exhibits strong coloration and stability, making it suitable for use in dyeing processes. Its unique fluorescent properties enable visualization in research applications, particularly in studies involving material properties or chemical interactions.

BODIPY FL azide is a BDP fluorescent dye characterized by an azide group that enables Click Chemistry. This green fluorophore, belonging to the borodipyrromethane class, exhibits a high quantum yield in aqueous solutions and demonstrates excellent stability against photobleaching. It is particularly suitable for applications requiring FAM fluorescence measurements, making it an ideal tool for various biochemical assays and cellular imaging studies.

Solvent Red 52 is a fluorescent dye primarily utilized for its vibrant red color in various applications. It exhibits strong absorbance and fluorescence properties, making it suitable for use in the dyeing of plastic materials and other substrates. Additionally, this compound can be employed in biological research settings for tracking and visualizing cellular processes.

Toluidine Blue, an alkaline quinonimine dye, demonstrates a strong affinity for acidic tissue components, effectively staining nuclei blue and polysaccharides purple. This reagent exhibits heterostaining properties, enabling visualization of mast cells, mucins, and chondrocytes. Additionally, Toluidine Blue is employed in the histological analysis of plant tissues and is utilized as a diagnostic aid for identifying malignant lesions, including cancerous tissues. Its versatile staining capabilities make it a valuable tool in both medical and botanical research applications.

1,4-Bis(mesitylamino)anthraquinone is a multifunctional dye with notable applications in biological research. This compound serves as a vital tool for observing and analyzing cellular structures, tracking biomolecules, and evaluating cell functions. Its versatility extends to distinguishing cell types, detecting biomolecules, studying tissue pathology, and monitoring microorganisms. Beyond fundamental research, this dye is also employed in various clinical diagnostics and traditional textile dyeing, as well as in innovative areas such as functional textile processing, food pigmentation, and dye-sensitized solar cells.

Solvent Violet 9 is a DNA binding dye that intercalates between base pairs in double-stranded DNA. It exhibits fluorescence upon binding, making it useful for visualizing nucleic acids in various applications, including gel electrophoresis and fluorescence microscopy. This compound serves as an important tool for researchers studying DNA interactions, quantification, and overall nucleic acid analysis.

Relmapirazin is a fluorescent tracer agent primarily utilized for the real-time measurement of glomerular filtration rate (GFR). It facilitates the accurate assessment of kidney function in both preclinical and clinical research settings. Its ability to provide real-time tracking of renal filtration processes enhances the study of kidney diseases and nephrotoxicity in pharmacological research.

Karanjachromene is a fluorescent pyranoflavonoid derived from the seed oil of Pongamia pinnata. This compound exhibits significant biological activity as a photostable fluorescent probe. Its unique fluorescent properties make it valuable for various research applications, including cellular imaging and studying biological interactions in live cell systems.