ATTO 647琥珀酰亚胺酯,ATTO 647 NHS ester,AT 647 SE 的标记原理分享
发布时间:2023-10-18 分享至:
产品名称:ATTO 647 NHS ester
AT 647 NHS ester
中文名称:AT 647琥珀酰亚胺酯
AT 647 活性酯
化学式:C38H48N3O7S+
分子量:690.88
纯度:95%
保存条件:避光,干燥,-20℃保存
注意事项:取用一定要干燥,避免频繁的溶解和冻干。
用途:仅用于科学研究或者工业应用等非医疗目的,非药用,非食用
ATTO 647 is rhodamine-based fluorescent label for the red spectral region that has similar spectral properties to Cy5. It has strong absorption, high fluorescence quantum yield, high thermal and photostability, and its absorption and fluorescence are independent of pH from 2 to 11. ATTO 647 is suitable for single-molecule detection applications, high-resolution microscopy (such as SIM, STED), flow cytometry (FACS) and fluorescence in-situ hybridization (FISH). ATTO 647N NHS ester is used for labeling amino-containing molecules such as proteins, peptides and amino-modified oligonucleotides.
An NHS ester allows the functionalization of an amino moiety in a variety of molecules, including DNA and RNA oligonucleotides, as well as peptides or proteins. NHS esters are especially useful in situations where the equivalent phosphoramidites exhibit instability to the conditions of oligonucleotide synthesis and/or deprotection.
ATTO 647是一种基于罗丹明的荧光标记,用于红色光谱区,具有与Cy5类似的光谱特性。它具有强吸收、高荧光量子产率、高热稳定性和光稳定性,其吸收和荧光与pH值从2到11无关。ATTO 646适用于单分子检测应用、高分辨率显微镜(如SIM、STED),流式细胞术(FACS)和荧光原位杂交(FISH)。ATTO 647N NHS酯用于标记含氨基分子,如蛋白质、肽和氨基修饰的寡核苷酸。
NHS酯允许多种分子中的氨基部分功能化,包括DNA和RNA寡核苷酸,以及肽或蛋白质。NHS酯在等效磷酰胺对寡核苷酸合成和/或脱保护条件表现出不稳定性的情况下特别有用。
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