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Biotin-PEG4-NHS ester

Biotinylation NHS酯類 Crosslinking
貨號 數量 價格 交貨時間
2893-100mg 100 mg $145 現貨
2893-1g 1 g $590 現貨
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Biotin-PEG4-NHS ester is an activated ester for simple and efficient biotin labeling of antibodies, proteins, and other primary amine-containing biomolecules. The NHS ester group reacts efficiently with amino groups by the nucleophilic attack, forming an amide bond and releasing N-Hydroxysuccinimide. Biotin-labeled compounds can then be linked to avidin or streptavidin for further purification or detection. The biotin group is relatively small and doesn’t affect the biological activity of biotinylated proteins.

This reagent features a long PEG4-linker that separates the biotin residue from the target molecule, ensuring efficient binding to avidin or streptavidin. The linker also increases the compound’s water solubility, thereby facilitating bioconjugation. Antibodies labeled with Biotin-PEG4-NHS ester exhibit less aggregation when stored in solution than those labeled with reagents with only hydrocarbon spacers.

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Azide-PEG6-NHS ester

A hydrophilic bifunctional linker with azide and NHS ester function groups flanking PEG6 (hexaethylene glycol).

Azide-PEG4-amine

PEG4 amine azide is a bifunctional linker with amine and azide functional groups. It is based on a tetraethyleneglycol core. The length of the PEG4 linker is 1.4 nm.

BDP® TMR-X-NHS ester

Amine reactive NHS ester of BDP TMR, bright borondipyrromethene dye for TAMRA channel especially suitable for fluorescence polarization assays. This compound contains an aminohexanoic acid (C6) linker between the dye and the functional group.

General properties

Appearance: white to off-beige powder
Molecular weight: 588.68
CAS number: 459426-22-3
Molecular formula: C25H40N4O10S
Solubility: water, DMSO, DMF, DCM
Quality control: NMR 1H and HPLC-MS (95+%)
Storage conditions: 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate.
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產品引用

  1. Zhang, L.; Yang, C.; Li, Y.; Niu, S.; Liang, X.; Zhang, Z.; Luo, Q.; Luo, H. Dynamic Changes in the Levels of Amyloid-β 42 Species in the Brain and Periphery of APP/PS1 Mice and Their Significance for Alzheimer’s Disease. Frontiers in Molecular Neuroscience, 2021, 14, 723317. doi: 10.3389/fnmol.2021.723317
This Product is offered and sold for research purposes only. It has not been tested for safety and efficacy in food, drug, medical device, cosmetic, commercial or any other use. Supply does not express or imply authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, in the manufacture of food or pharmaceutical products, in medical devices or in cosmetic products.
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