Functional Group Type

TRITC-dextran, MW 150000 (Tetramethyl rhodamine isothiocyanate glucan, MW 150000) is a fluorescent dye, with the molecular weight of 150 kD. TRITC-dextran, MW 150000 exhibits an excitation wavelength of 555 nm. TRITC-dextran, MW 150000 is follicular and vessel penetrate, which is dependent on the molecular weight. TRITC-dextran, MW 150000 is utilized in drug delivery for the stability of TRITC over a wide pH range (i.e. pH 2–11) and resistance to photo-bleaching.

Cyanine5 alkyne (Alkyne-Cy5) is a fluorescent dye used to label azide proteins and can be used to analyse post-translational modifications of proteins, glycosylation etc. Cyanine5 alkyne can also be used as a mitochondrial OXPHOS inhibitor to inhibit the growth of cancer stem cells (CSC). Cyanine5 alkyne is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

Sulfo-Cy5 azide is a near-infrared fluorescent probe with favorable click chemistry reactivity. Sulfo-Cy5 azide enables fluorescence imaging, tissue and cellular visualization of PD-L1 in tumors, and site-specific modification of anti-PD-L1 antibodies. Sulfo-Cy5 azide has been employed for RNA labeling and imaging. Sulfo-Cy5 azide can be conjugated to targeting agents for fluorescence imaging in atherosclerosis and breast cancer models (Ex/Em = 645/670 nm).

CY5-Dextran (MW60-80k) is a fluorescent probe formed by covalent conjugation of the cyanine dye Cy5 to dextran. It is a pH-insensitive fluid-phase endocytosis tracer (the pH of endosomal lumen is precisely quantified by the fluorescence ratio of FITC/Cy5). CY5-Dextran (MW60-80k) is internalized by cells via a clathrin-independent fluid-phase pinocytosis pathway, and is sequentially evidenced by early endosomes, late endosomes are transported to lysosomes. CY5-D I cannot pass through the limited pore size formed by uncoating of human rhinovirus type 2 (HRV2), but can be released into the neutral cytoplasm upon adenovirus-mediated endosomal rupture, thus distinguishing between the two viral modes of "pore-forming escape" and "lysis escape". CY5-Dextran (MW60) -80k) has an excitation wavelength of 635 nm, and it can also be used for time-lapse imaging of endocytosis dynamics of stromal cells in tissues such as rat salivary glands under in vivo two-photon microscopy.

ER Tracker Yellow (BDNCA-346) is a Fluorescent probe for targeted visualization of temperature at the endoplasmic reticulum. Its detection mechanism depends on temperature, with fluorescence intensity decreasing at higher temperatures due to preferential non-radiative processes; this intensity reversibly returns to baseline when cooled, provided the probe does not precipitate or degrade. It localizes specifically to the endoplasmic reticulum, where it may covalently attach to biomacromolecules via a thiol-reactive moiety, and its fluorescence remains stable after cell fixation; its fluorescence intensity is unaffected by physiological pH ranges of 5.0–8.0 and free Ca²⁺ concentrations of 0–800 μM. Its excitation/emission wavelength is Ex/Em = 559/581 nm[1].

ICG-DBCO is a near-infrared fluorescent click chemistry reagent (Ex/Em = 789/813 nm), composed of Indocyanine green (ICG) (HY-D0711) and dibenzocyclooctyne (DBCO). ICG-DBCO enables copper-free, strain-promoted azide-alkyne cycloaddition (SPAAC) for labeling biomolecules such as antibodies, proteins and peptides, thereby facilitating deep tissue optical imaging.

Cyanine7 DBCO (Cy7 DBCO) is a near-infrared fluorescent dye and an efficient bio-orthogonal quencher. Cyanine7 DBCO is formed by covalent connection of the near-infrared fluorescent dye Cy7 and the dibenzocyclooctyne (DBCO) functional group. After reacting with N3-Cy5-COOH, the fluorescence of Cy5 decreases by 90% within 90 minutes, and rapid signal attenuation can be observed within 2-5 minutes. Cyanine7 DBCO can be used for the study of deep tissue imaging and receptor-targeted therapeutic strategies.

5-DTAF is a fluorescein dye that directly react with polysaccharides and other alcohols in aqueous solution at pH ＞9. The maximum of the 5-DTAF emission profile is at a wavelength of 518 nm after excitation at 488 nm. 5-DTAF can be used for biomolecular labeling, protein detection, and cell imaging.

Cy7 NHS ester is a fluorescent dye that can be used for fluorescent imaging study.

Cy3-Cisplatin is a Cyanine 3 fluorescent dye CY3 (HY-D0822) labled Cisplatin (HY-17394). Cy3-Cisplatin can be used for drug delivery, fluorescent labeling, cell imaging and tracking.

TRITC-dextran, MW 2000000 (Tetramethyl rhodamine isothiocyanate glucan, MW 2000000) is a fluorescent dye, with the molecular weight of 2000 kD. TRITC-dextran, MW 2000000 exhibits an excitation wavelength of 555 nm. TRITC-dextran, MW 2000000 is follicular and vessel penetrate, which is dependent on the molecular weight. TRITC-dextran, MW 2000000 is utilized in drug delivery for the stability of TRITC over a wide pH range (i.e. pH 2–11) and resistance to photo-bleaching.

7-Amino-4-(trifluoromethyl)coumarin (Coumarin 151) is a fluorescent marker for the sensitive detection of proteinases. The excitation and emission wavelengths are 400 and 490 nm, respectively.

AF488 azide is a fluorescent dye that can be used to determine the reactivity of immobilized DIBO groups. AF488 azide exhibits the λ_em and λ_ex wavelength of 520 nm and 470 nm, respectively.

Cyanine 5.5 azide (CY 5.5 azide) is a potent fluorescent dye. Cyanine 5.5 azide can label DNA. Cyanine 5.5 azide can be used for NIR live organism imaging. (λ_ex=684 nm, λ_em=710 nm). Cyanine 5.5 azide is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

Cy3-N3 is a Cy3-azide fluorescent dye used to label for protein and nucleic acid. Cy3-N3 is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups (Ex/Em = 548/563 nm).

Cy5-DSPE chloride is a far-infrared fluorescent phospholipid (λex/λem = 600/665 nm). Cy5-DSPE chloride is used to label liposomes, membranes and lipid nanoparticles, and can be applied to tracking and imaging studies of liposomes.

STY-BODIPY (Styrene-BODIPY; Styrene-Conjugated BODIPY) is a styrene-conjugated fluorescent probe used to measure the activity of radical-trapping antioxidants (RTAs).

Cyanines are formally compounds with two nitrogen atoms linked by an odd number of methene units. 26 28 The nitrogen atoms are parts of the heterocyclic units (such as indole, benzoxazol, or benzothiazol) . The structures and optical properties of representative cyanine dyes used for in vivo imaging are presented. Cyanines are characterized by long wavelength, tunable absorption and emission, very high extinction coefficient (up to 300,000 M 1 cm 1), good water solubility, and relatively straightforward synthesis.

FITC-HA (MW 1000000) is hyaluronic acid (HA) (HY-B0633A) labeled with FITC (HY-66019). FITC-HA retains the ability of HA to bind to receptors (such as CD44) and form extracellular matrices, while it can be detected by fluorescence microscopy or flow cytometry for tracing the localization, binding, internalization and metabolic pathways of HA in cells, tissues or living organisms (Ex/Em ≈ 490/520 nM).

BODIPY 630/650X is a red fluorescent dye that targets amine groups. BODIPY 630/650X displays excitation/emission maxima of 630/650 nm, respectively. BODIPY 630/650X can be used to covalently label proteins, antibodies, or other amine-containing biomolecules for detection and imaging.