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Calbryte™-520XL-Dextran

Calbryte 520XL dextran is a new fluorescent and cell-impermeable calcium indicator with extremely low affinity. It has Kd ~500 uM which is the similar to the well-known Rhod 5N, but much more stable than Rhod-5N. Calbryte 520XL produces bright fluorescence signal in the presence of calcium ion in high concentration. It has the identical excitation and emission wavelength as Fluo-4, thus the same Fluo-4 assay settings can be readily applied to Calbryte 520XL-based calcium assays. Calbryte 520XL is an excellent alternative to Rhod-5N. We also offer Calbryte 520XL, AM (#20646), potassium salt (#20645), and Calbryte 520XL azide (#20643) that can be readily conjugated to a carrier through the well-know click chemistry.

Spectrum

Product family

NameExcitation (nm)Emission (nm)Quantum yield
Calbryte™-520XL azide4935150.751
Calbryte™-520XL AM4935150.751

Citations

View all 13 citations: Citation Explorer
Calreticulin regulates TGF-β1-induced epithelial mesenchymal transition through modulating Smad signaling and calcium signaling
Authors: Wu, Yanjiao and Xu, Xiaoli and Ma, Lunkun and Yi, Qian and Sun, Weichao and Tang, Liling
Journal: The International Journal of Biochemistry & Cell Biology (2017)
Monosialoganglioside 1 may alleviate neurotoxicity induced by propofol combined with remifentanil in neural stem cells
Authors: Lu, Jiang and Yao, Xue-qin and Luo, Xin and Wang, Yu and Chung, Sookja Kim and Tang, He-xin and Cheung, Chi Wai and Wang, Xian-yu and Meng, Chen and Li, Qing and others, undefined
Journal: Neural Regeneration Research (2017): 945
Obtaining spontaneously beating cardiomyocyte-like cells from adipose-derived stromal vascular fractions cultured on enzyme-crosslinked gelatin hydrogels
Authors: Yang, Gang and Xiao, Zhenghua and Ren, Xiaomei and Long, Haiyan and Ma, Kunlong and Qian, Hong and Guo, Yingqiang
Journal: Scientific Reports (2017): 41781
Dexmedetomidine reduces hypoxia/reoxygenation injury by regulating mitochondrial fission in rat hippocampal neurons
Authors: Liu, Jia and Du, Qing and Zhu, He and Li, Yu and Liu, Maodong and Yu, Shoushui and Wang, Shilei
Journal: Int J Clin Exp Med (2017): 6861--6868
Di (2-ethylhexyl) phthalate-induced apoptosis in rat INS-1 cells is dependent on activation of endoplasmic reticulum stress and suppression of antioxidant protection
Authors: Sun, Xia and Lin, Yi and Huang, Qiansheng and Shi, Junpeng and Qiu, Ling and Kang, Mei and Chen, Yajie and Fang, Chao and Ye, Ting and Dong, Sijun
Journal: Journal of cellular and molecular medicine (2015): 581--594

References

View all 53 references: Citation Explorer
A flow cytometric comparison of Indo-1 to fluo-3 and Fura Red excited with low power lasers for detecting Ca(2+) flux
Authors: Bailey S, Macardle PJ.
Journal: J Immunol Methods (2006): 220
Functional fluo-3/AM assay on P-glycoprotein transport activity in L1210/VCR cells by confocal microscopy
Authors: Orlicky J, Sulova Z, Dovinova I, Fiala R, Zahradnikova A, Jr., Breier A.
Journal: Gen Physiol Biophys (2004): 357
Comparison of human recombinant adenosine A2B receptor function assessed by Fluo-3-AM fluorometry and microphysiometry
Authors: Patel H, Porter RH, Palmer AM, Croucher MJ.
Journal: Br J Pharmacol (2003): 671
Measurement of the dissociation constant of Fluo-3 for Ca2+ in isolated rabbit cardiomyocytes using Ca2+ wave characteristics
Authors: Loughrey CM, MacEachern KE, Cooper J, Smith GL.
Journal: Cell Calcium (2003): 1
A sensitive method for the detection of foot and mouth disease virus by in situ hybridisation using biotin-labelled oligodeoxynucleotides and tyramide signal amplification
Authors: Zhang Z, Kitching P.
Journal: J Virol Methods (2000): 187
Page updated on July 12, 2023

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Catalog Number20648
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Physical properties

Dissociation constant (Kd, nM)300000

Molecular weight

~11000

Solvent

Water

Spectral properties

Excitation (nm)

493

Emission (nm)

515

Quantum yield

0.751

Storage, safety and handling

H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22

Storage

Freeze (< -15 °C); Minimize light exposure
UNSPSC12352200
Ca2+ dependent fluorescence emission of Calbryte&trade;-520XL indicator (Ex/Em = 490/525 nm).
Ca2+ dependent fluorescence emission of Calbryte&trade;-520XL indicator (Ex/Em = 490/525 nm).
Ca2+ dependent fluorescence emission of Calbryte&trade;-520XL indicator (Ex/Em = 490/525 nm).