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Cyanine5.5 hydrazide,Cy5.5-hydrazide

作者:瑞禧生物 发布时间:2022-07-13 16:36:36 次浏览

Cyanine5.5 hydrazide,Cy5.5-hydrazide Cyanine5.5 hydrazide is a carbonyl-reactive near infrared dye. Hydrazides quickly react with carbonyl compounds, such as aldehydes and ketones, and form stable hydrazones. This reaction is useful for the preparation of labeled conjugates. Carbonyl groups in biomolecules can form spontaneously after oxidative stress or deamination of proteins. Alternatively, aldehyde groups can be specifically generated by periodate oxidation of sugar residues of glycoproteins, for example antibodies. Antibodies can be oxidized by sodium periodate and labeled with Cyanine5.5 hydrazide to form Cyanine5.5 labeled antibodies. Since sugar residues in antibodies are located far from variable, epitope-binding site, this method is particularly good for the labeling of antibodies. Cyanine5.5 is a near infrared fluorophore, an analog of Cy5.5®. It is particularly suitable for the applications which require low fluorescence background. The absorption and emission wavelength of the dye exhibit significant tissue penetration, so Cyanine5.5 is suitable for in vivo NIR imaging  General properties Appearance: dark blue powder Molecular weight: 669.73 Molecular formula: C40H46Cl2N4O Solubility: moderate solubility in water, good in polar organic solvents (DMF, DMSO, alcohols) Quality control: NMR 1H, HPLC-MS (95%) Storage conditions: Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate.     Spectral properties Excitation maximum, nm: 684 ε, L⋅mol−1⋅cm−1: 209000 Emission maximum, nm: 710 Fluorescence quantum yield: 0.2 CF260: 0.07 CF280: 0.03 Cyanine5.5 hydrazide,Cy5.5-hydrazide 酰肼 Dye hydrazides Pyrene hydrazide BDP FL hydrazide Cyanine3 hydrazide Cyanine5 Boc-hydrazide Cyanine5 hydrazide Cyanine5.5 hydrazide Cyanine7 hydrazide Cyanine7.5 hydrazide 其它相关产品: TAMRA Dye荧光染料产品包括: TAMRA NHS Ester TAMRA Acid TAMRA Azide TAMRA DBCO TAMRA Alkyne TAMRA Methyltetrazine Cy3 Dye荧光染料产品包括: Cy3 NHS Ester Cy3 Acid Cy3 Tetrazine Cy3 Maleimide Cy3 Azide Cy3 Alkyne Cy3 DBCO Cy5 Dye荧光染料产品包括: Cy5 Acid Cy5 NHS Ester Cy5 Maleimide Cy5 Tetrazine Cy5 Alkyne Cy5 Azide Cy5 DBCO Cy5-TCO Cy5 Biotin Cy5.5 Dye荧光染料产品包括: Cy5.5 NHS Ester Cy5.5 Maleimide Cy5.5 Azide Cy5.5 Alkyne Cy5.5 DBCO Cy7 Dye荧光染料产品包括: Cy7 NHS Ester Cy7 Maleimide Cy7 Methyltetrazine Cy7 Alkyne Cy7 Azide Cy7 DBCO 其他交联剂: ThioLinker NHS Ester ThioLinker Amine ThioLinker Acid ThioLinker-DBCO ThioLinker-Azide Bis-sulfone NHS Ester ThioLinker-Tetrazine Bis-sulfone-PEG4-NHS Ester Bis-sulfone-PEG12-NHS Ester Bis-sulfone Acid Bis-sulfone Amine Bis-sulfone-PEG4-DBCO Bis-sulfone-PEG3-Azide Bis-sulfone-PEG4-Tetrazine