技术文章

DEAE-Dextran

Aladdin DEAE-Dextran are based on Aladdin Dextran


Aladdin DEAE-Dextran are based on Aladdin’ world-leading Dextran products, and Aladdin DEAE-Dextran are also produced at the state-of-the-art, GMP-approved facility


As a natural consequence of Aladdin’ commitment to quality, Aladdin DEAE-Dextran are developed and manufactured according to the same advanced standards and requirements of the highest quality as applied in the development and manufacturing of our world-leading Dextran products.


DEAE-Dextran

DEAE-Dextran is made by reaction of dextran with (2-chloroethyl) diethylammoniumchlorid in alkaline solution.



Fig. 1: DEAE-Dextran 


DEAE-Dextran is a polycation. DEAE - Dextran contains three basic groups with different pKa values. There are two tertiary groups, one in the single substituted glucose unit having a pKa value of approximately 9.2 and the tertiary group in the tandem substitution having a pKa value of approximately 5.5. The quaternary amino group in the tandem substitution has a pKa value ~ 14.

Below in Fig.2 is shown the titration curve from titration of DEAE - Dextran after alkanation.


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目录: 技术文章

Da — 若无特别说明,分子量单位默认为道尔顿。   Mw — 重均分子量。   Mn — 数均分子量。

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引用本文

阿拉丁科学.《DEAE-Dextran》. 阿拉丁知识库,更新于 2022年11月30日。 https://www.aladdin-e.com/zh_cn/faqs/deae-dextran-en.html
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