产品基本信息

货号：2038

产品名称：QXY7酸 [相当于QSY-7 NHS酯]

规格：10mg

储存条件：-15℃避光防潮

保质期：12个月

产品物理化学光谱特性

分子量：791.32

外观：固体

溶剂：DMSO

产品介绍

QXY7 是与 QSY-7 酸 (ThermoFisher) 相同的分子。 QXY7 在 ~550 nm 最大值处具有强烈的吸收，没有可检测的荧光，使其可用作荧光共振能量转移 (FRET) 应用中的受体，与 Cy3、TAMRA、Alexa Fluor 555 和 iFluor 647 或其他光谱相似的荧光染料搭配使用。QXY7 NHS 酯非常稳定，很容易与含氨基的分子反应，如氨基修饰的寡核苷酸、蛋白质和肽。

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参考文献

Structural exploration and Förster theory modeling for the interpretation of gas-phase FRET measurements: Chromophore-grafted amyloid-β peptides.
Authors: Kulesza, Alexander and Daly, Steven and MacAleese, Luke and Antoine, Rodolphe and Dugourd, Philippe
Journal: The Journal of chemical physics (2015): 025101

Action-FRET: probing the molecular conformation of mass-selected gas-phase peptides with Förster resonance energy transfer detected by acceptor-specific fragmentation.
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A time-resolved, internally quenched fluorescence assay to characterize inhibition of hepatitis C virus nonstructural protein 3-4A protease at low enzyme concentrations.
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Journal: Analytical biochemistry (2008): 1-8

Fluorescence-based sensing of glucose using engineered glucose/galactose-binding protein: a comparison of fluorescence resonance energy transfer and environmentally sensitive dye labelling strategies.
Authors: Khan, Faaizah and Gnudi, Luigi and Pickup, John C
Journal: Biochemical and biophysical research communications (2008): 102-6

Longer wavelength fluorescence resonance energy transfer depsipeptide substrates for hepatitis C virus NS3 protease.
Authors: Konstantinidis, Alex K and Richardson, Paul L and Kurtz, Kevin A and Tripathi, Rakesh and Chen, Chih-Ming and Huang, Peggy and Randolph, John and Towne, Danli and Donnelly, Jennifer and Warrior, Usha and Middleton, Tim and Kati, Warren M
Journal: Analytical biochemistry (2007): 156-67

M-DNA: A novel metal ion complex of DNA studied by fluorescence techniques.
Authors: Wettig, Shawn D and Wood, David O and Aich, Palok and Lee, Jeremy S
Journal: Journal of inorganic biochemistry (2005): 2093-101

Fluorescence assay of SIRT protein deacetylases using an acetylated peptide substrate and a secondary trypsin reaction.
Authors: Marcotte, Patrick A and Richardson, Paul L and Richardson, Paul R and Guo, Jun and Barrett, Leo W and Xu, Nan and Gunasekera, Angelo and Glaser, Keith B
Journal: Analytical biochemistry (2004): 90-9

Resonance energy transfer for assessing the molecular integrity of proteins for local delivery.
Authors: Wu, David and Edelman, Elazer R
Journal: Biotechnology and bioengineering (2004): 406-12

Short PNA molecular beacons for real-time PCR allelic discrimination of single nucleotide polymorphisms.
Authors: Petersen, Kenneth and Vogel, Ulla and Rockenbauer, Eszter and Nielsen, Kirsten Vang and Kølvraa, Steen and Bolund, Lars and Nexø, Bjørn
Journal: Molecular and cellular probes (2004): 117-22

Development of an Alu-based, QSY 7-labeled primer PCR method for quantitation of human DNA in forensic samples.
Authors: Nicklas, Janice A and Buel, Eric
Journal: Journal of forensic sciences (2003): 282-91