Em 621-750 nm Red

Cy5.5 is a CY dye. CY, short for Cyanine, is a compound consisting of two nitrogen atoms connected by an odd number of methyl units. Cyanine compounds have the characteristics of long wavelength, adjustable absorption and emission, high extinction coefficient, good water solubility and relatively simple synthesis. CY dyes are of en used for the labeling of proteins, antibodies and small molecular compounds. For the labeling of protein antibodies, the combination can be completed through a simple mixing reaction. Below, we introduce the labeling method of protein antibody labeling, which has certain reference significance.

DiD is a long-chain carbocyanine dye. Carbocyanine dyes are widely used as Di to label cells, organelles, liposomes, viruses and lipoproteins (Ex/Em = 633/665 nm).

CY5 is a CY dye. CY, short for Cyanine, is a compound consisting of two nitrogen atoms connected by an odd number of methyl units. Cyanine compounds have the characteristics of long wavelength, adjustable absorption and emission, high extinction coefficient, good water solubility and relatively simple synthesis. CY dyes are of en used for the labeling of proteins, antibodies and small molecular compounds. For the labeling of protein antibodies, the combination can be completed through a simple mixing reaction. Below, we introduce the labeling method of protein antibody labeling, which has certain reference significance.

Cy5-SE (Cy5 NHS Ester) is a reactive dye for the labeling of amino-groups in peptides, proteins, and oligonucleotides. This dye requires small amount of organic co-solvent (such as DMF or DMSO) to be used in labeling reaction. This reagent is ideal for very cost-efficient labeling of soluble proteins, as well as all kinds of peptides and oligonucleotides. This reagent also works well in organic solvents for small molecule labeling. Excitation (nm):649, Emission (nm): 670.

DiSC3(5) is a fluorescent probe commonly used as a tracer dye to evaluate mitochondrial membrane potential. The excitation/emission wavelength of DiSC3(5) is up to 622/670 nm. DiSC3(5) can inhibit the respiratory system associated with mitochondrial NAD, and the IC₅₀ value is 8 μM. DiSC3(5) in the presence of Na⁺/K⁺-ATPase inhibitor ouabain 2 can induce membrane hyperpolarization of Ehrlich ascites tumor cells.

Cyanine5 azide chloride is a Fluorescent probe for cell-selective bacterial protein labeling, as well as a fluorescent dye for single-molecule imaging and dynamic tracking of intracellular organelles. Cyanine5 azide chloride can conjugate with the alkynyl side chain of propargylglycine incorporated into bacterial proteins by the engineered methionyl-tRNA synthetase variant PraRS via copper (I)-catalyzed azide-alkyne [3+2] cycloaddition reaction, thereby enabling in-gel fluorescent visualization of labeled proteins. Cyanine5 azide chloride can diffuse across cell membranes and undergo copper-free click reaction with DBCO-functionalized scAVD pre-bound to DBCO-functionalized biotin, forming fluorescent nanoprobes with enhanced brightness, photostability and localization accuracy, and exhibiting discrete photobleaching steps. The excitation wavelength of Cyanine5 azide chloride is Ex = 633 nm.

7-Aminoactinomycin D (solution) (7-AAD (solution)) a cell-impermeant fluorescent DNA stain, is a potent RNA polymerase inhibitor. 7-Aminoactinomycin D selectively binds to GC regions of the DNA. 7-Aminoactinomycin D also has antibacterial effects.
Solvent and concentration: DMSO: 1 mg/mL

CY5-YNE (Sulfo-Cyanine5-alkyne) is a class of near-infrared fluorescent dye derivatives used in research related to the labeling of proteins, peptides, nucleic acids, and nanomaterials. CY5-YNE is a click chemistry reagent. It contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups. CY5-YNE exhibits photostable emission properties in imaging applications, enabling covalent labeling of azide-modified substrates.

FM4-64 is a very lipophilic, water-soluble styrene dyes, can specifically bind to cell membranes and inner membrane organelles to produce fluorescence. FM4-64 is widely used in endocytic and exospic membrane structure markers.

Cy5 maleimide (Cyanine5 maleimide) is a single-reactive dye containing a maleimide group and a CY5 fluorescent group, which can selectively couple with a thiol group. Cy5 maleimide can be used to label antibodies, peptides, or proteins (Ex/Em = 646/664 nm).

Cyanine5.5 amine (Cy 5.5 amine), a Cy5.5 Analogue, is a near-infrared (NIR) fluorescent dye (Ex=648 nm, Em=710 nm). Cyanine5.5 amine can be used in the preparation of Cy5.5-labeled nanoparticles, which can be tracked and imaged with low fluorescence background using confocal microscopy.

Cy5-DBCO (DBCO-Sulfo-Cy5) is a near-infrared (NIR)red fluorescent dye with λ_absand λ_em of 646nm and 670 nm, respectively. Cy5-DBCO (DBCO-Sulfo-Cy5) is not suitable for staining intracellular components of permeabilezed cell, it may exhibits a high background. Cy5-DBCO is a click chemistry reagent, it contains a DBCO group that can undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing Azide groups.

Cyanine5 DBCO (DBCO-Cy5) hexafluorophosphate is a low-toxicity azide reactive probe (NIR fluorescent dye), for imaging azide-labeled biomolecules via a copper-free "click-through" reaction. Cyanine5 DBCO hexafluorophosphate has no apparent cytotoxicity or animal toxicity and shows no damage to the physiological functions of cells other than the target cells (azide-labeled cells). Cyanine5 DBCO hexafluorophosphate can be used to label and track cells in vitro and in vivo (Ex=635 nm, Em=650-700 nm).

Lucifer Yellow CH dipotassium is a high-intensity fluorescent probe containing free hydrazyl groups. Lucifer Yellow CH can react with fatty aldehydes at room temperature. Lucifer Yellow CH serves as a biological tracer to monitor neuronal branching, regeneration, gap junction detection and characterization, and selective ablation of cells after aldehyde fixation. Lucifer yellow CH displays the maximum excitation/emission of 430 nm/540 nm, respectively.

7-Aminoactinomycin D (7-AAD) a cell-impermeant fluorescent DNA stain, is a potent RNA polymerase inhibitor. 7-Aminoactinomycin D selectively binds to GC regions of the DNA. 7-Aminoactinomycin D also has antibacterial effects.

CY5-N3 (Sulfo-Cyanine5-azide) is a Cy5-azide, which is a fluorescent dye (ex/em: 646/662 nm). CY5-N3 is cell membrane permeable and can be used for live cell imaging. CY5-N3 can be used in cell imagine by Click reaction.

Cy5-SE (Cy5 NHS Ester) triethylamine salt is a reactive dye for the labeling of amino-groups in peptides, proteins, and oligonucleotides. Cy5-SE triethylamine salt is ideal for very cost-efficient labeling of soluble proteins, as well as all kinds of peptides and oligonucleotides Ex=649 nm; Em=670 nm).

Di-8-ANEPPS is a naphthylstyryl voltage-sensitive dye, shifting both their fluorescence excitation and emission spectra upon changes in V_m .

Di-4-ANEPPDHQ is a polarity-sensitive membrane probe with a doubly positive charge that can be used to visualize membrane microdomains in living Arabidopsis cells. Di-4-ANEPPDHQ produces a fluorescence spectrum shift by changing the polarity of the lipid environment after embedding into the cell membrane, thereby quantifying the degree of lipid accumulation. The excitation wavelength of Di-4-ANEPPDHQ is 488 nm, and the emission wavelengths are 560 nm and 650 nm in the liquid ordered and disordered phases, respectively. Di-4-ANEPPDHQ is often used for fluorescence imaging studies of membrane microstructure, lipid order, and membrane tension response in living cells[1][2][3].

NIAD-4 is a blood-brain barrier permeable fluorophore for optical imaging of amyloid-β (Aβ) in the central nervous system (CNS) for Alzheimer’s disease (AD). NIAD-4 binds to the same Aβ site with the binding affinity (K_i) of 10 nM.