Biotin-dPEG?23-azide, product number QBD-10787, is a water-soluble biotinylation product functionalized with azide for click chemistry use, on a long (73 atoms) single molecular weight, discrete PEG (dPEG?) chain. This product enables biotinylation of molecules using either metal-catalyzed (CuAAC, RuAAC) or strain-promoted azide-alkyne cycloaddition (SPAAC) chemistry. Consequently, these products allow new types of biotinylated constructs.nBecause Biotin-dPEG?23-azide is a single molecular weight dPEG? product, analysis of the resulting conjugates is simplified. The researcher using this product does not have to analyze a variety of PEG chain lengths and molecular weights. Instead, the well-defined dPEG? product will yield predictable, identifiable conjugates. When using Biotin-dPEG?23-azide with proteins or peptides engineered to contain alkyne side chains at specific locations, both the number and location of conjugation sites are predictable.nBiotin-dPEG?23-azide has numerous uses. Through protein engineering, non-natural amino acids with alkyne side chains can be incorporated into distinct locations on proteins, thereby enabling site-specific, reproducible biotinylation of proteins. Likewise, synthetic peptides can be constructed that allow azide-alkyne click chemistry-driven biotinylation of the peptides. Also, surfaces functionalized with alkyne groups can be biotinylated using click chemistry. Furthermore, this product can be modified with other products from Vector Laboratories to create new compounds tailored to the customer’s specific needs. For example, in a 2018 study published in the journal Langmuir, researchers from The BioDesign Institute at Arizona State University used Biotin-dPEG?23-azide to construct a Y-shaped, bivalent, bis-biotin structure with a rigid core to probe the interaction of biotin and streptavidin using both atomic force microscopy (AFM) and surface plasmon resonance (SPR).nAs a biotinylation reagent, Biotin-dPEG?23-azide functions like other biotinylation reagents. For example, pull-down assays, affinity purification, ELISA and other plate-type assays, and supramolecular construction can employ Biotin-dPEG?23-azide successfully. Many other applications using Biotin-dPEG?23-azide are possible.
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Click Chemistry Tools(CCT)公司位于美國(guó)亞利桑那州斯科茨代爾(Scottsdale,AZ)。自公司成立以來(lái),一致致力于不斷開(kāi)發(fā)和擴(kuò)展一系列連接產(chǎn)品。他們利用特別新的研究成果研發(fā)生產(chǎn)出新穎的交聯(lián)和標(biāo)記試劑。產(chǎn)品被廣泛用于藥物研發(fā)、癌癥治療以及各類診斷技術(shù)等。此外,CCT還可以提供個(gè)性化的定制產(chǎn)品,已滿足不同用戶的需求。目前CCT的產(chǎn)品線主要包括:Azides(Biotin-Azides)試劑、Bis-sulfone交聯(lián)試劑、DBCO試劑、TCO試劑、Terminal Alkyne試劑、Tetrazine試劑、標(biāo)記試劑盒以及分選用底物等。nFluoroprobes公司位于美國(guó)亞利桑那州斯科茨代爾(Scottsdale, AZ),自成立以來(lái),一直致力于不斷開(kāi)發(fā)一系列的連接(linker)產(chǎn)品。利用特別新的研究成果研發(fā)生產(chǎn)出各類新穎的交聯(lián)和標(biāo)記試劑。其產(chǎn)品被廣泛用于藥物研發(fā)與篩選、疾病治療方法和診斷技術(shù)等領(lǐng)域。此外,F(xiàn)luoroprobes還可以根據(jù)客戶的個(gè)性化需求提供各類定制連接產(chǎn)品。代表產(chǎn)品有Classic Fluorescent Dyes, AZDye, Cyanine Dyes, IR Dyes, MB dyes以及一些標(biāo)記試劑盒等。nQuanta Biodesign公司位于美國(guó)中部的俄亥俄州,成立于1997年。也是專注于生產(chǎn)研發(fā)各類標(biāo)記產(chǎn)品的品牌之一。其研發(fā)的產(chǎn)品與dPEG技術(shù)相結(jié)合,生產(chǎn)出他們獨(dú)有的專利產(chǎn)品dPEG Building Blocks and Linkers,被廣泛用于細(xì)胞治療和分子診斷等研究領(lǐng)域。另外,還可為廣大科研工作者提供多種化學(xué)修飾試劑以及傳統(tǒng)Liner等。n目前上述三個(gè)品牌都已被被Vectorlabs收購(gòu)并整合到Vectorlabs產(chǎn)品中