A3 2-AB聚糖

产品介绍：

牛血清胎儿上发现的三唾液酸化，三触角N-连接低聚糖的混合物。两种主要成分是结构异构体，它们都在非还原末端半乳糖基残基上完全唾液酸化，但在a2，3和a2，6连接的唾液酸基残基的分布以及半乳糖的连接上有所不同。
形式：通过离心蒸发从含有约50mmol dm-3乙酸铵的水溶液中干燥（添加以尽量减少酸催化的脱唾液酸化）。
样品数量：通常，可以检测到100 fmol至10 pmol的A3 2-AB聚糖，具体取决于荧光计、HPLC或质谱仪的灵敏度。
检波荧光检测：360nm激发波长，425nm发射波长。

说明：

标记的聚糖混合物可通过各种 HPLC（高压液相色谱）方法使用HPLC 色谱柱进行分离和分析。

色谱柱是一种特别强大的工具，用于纯化和分析来自复杂聚糖混合物的标记的低聚糖。聚糖也可以通过质谱、电泳和各种类型的光谱进行分析，请联系我们以获取有关您的特定应用的建议。

Product description：

mixture of tri-sialylated, tri-antennary N-linked oligosaccharides found on bovine serum fetuin. The two principal components are structural isomers both fully sialylated on the non-reducing terminal galactosyl residues but differing in the distribution of a2,3 and a2,6 linked sialyl residues and the linkage one of the galactoses.

Form: Dried by centrifugal evaporation from an aqueous solution containing approximately 50 mmol dm-3 of ammonium acetate (added to minimize acid-catalysed desialylation).
Number of Samples: Typically, 100 fmol to 10 pmol of the A3 2-AB glycan can be detected, dependent on the sensitivity of the fluorometer, HPLC or mass spectrometer.
Detection Fluorescence detection: 360 nm excitation wavelength, 425 nm emission wavelength.

Explanation：

Labeled glycan mixtures may be separated and analysed by a variety of HPLC (high pressure liquid chromatography) methods using HPLC columns.

Columns are an especially powerful tool for the purification and analysis of labeled oligosaccharides from complex glycan mixtures. Please contact us for advise regarding your particular application.