144120-53-6

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Puriﬁcation of Histidine-Tagged Recombinant Proteins Using Ni Sepharose® High Performance

Ni Sepharose High Performance consists of highly cross-linked 6% agarose beads (34 µm) to which a chelating group has been immobilized and subsequently charged with Ni2+ ions.

Preservation of Moisture-Sensitive Chemical Reagents

Preserve reagent quality of air- and moisture-sensitive reagents using nitrogen or argon in crown-cap bottles with a 6 mm diameter hole in the crown-cap and a PTFE-faced rubber liner.

Determination of Water Content in Phenol Using Karl Fischer Titration

Accurately measure the moisture content in Phenol (C6H5OH) through Karl Fischer titration, using both Volumetric and Coulometric methods.

Performing a Separation of DNA binding proteins with Cytiva Products Based on Heparin

This page shows how to use heparin in the separation of DNA binding proteins used in HiTrap Heparin HP, HiPrep 16/10 Heparin FF and Heparin Sepharose 6 Fast Flow products from Cytiva.

Purification of NAD+ and ATP-dependent Kinases

Affinity chromatography purification of enzymes using 5’ AMP Sepharose® 4B, HiTrap® Blue HP, and Blue Sepharose® 6 Fast Flow products.

如何正确进行水机的维护保养_Milli-Q纯水机-默克生命科学

4月6日下午,默克Milli-Q工程师小哥哥战玉大老师，携手金牌销售郑思捷老师,为Q粉们带来了精彩的水机维护保养直播课,为水机用户们解决了很多水机日常使用的问题。

SuFEx：参与下一步点击反应的磺酰氟

在与K. Barry Sharpless及其同事合作后，Sigma-Aldrich现可提供各种磺酰氟试剂，这些试剂经历了“Click II”反应。

乙酰胆碱受体（烟碱型）

Sigma-Aldrich针对您的研究需求提供了许多烟碱型乙酰胆碱受体相关的产品。

葡聚糖

葡聚糖是葡萄糖酐聚合物。它由大约 95% 的alpha-D-(1-6)键合组成。其余的 a (1-3) 键合构成了葡聚糖的分支。分支长度的冲突数据意味着平均分支长度小于三个葡萄糖单位。但是，其他方法表明存在大于 50 个葡萄糖单位的分支。

Merck gift season, New user’s gift upgrade

默克礼享季新人好礼，焕新升级 2023年6月1日到8月31日，礼享季，新人礼，限时开启。

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