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DAX-J2™ IR
DAX-J2™ IR is a new nitric oxide (NO) sensor recently developed by AAT Bioquest. It is a water-soluble fluorogenic reagent that can measure free NO and nitric oxide synthase (NOS) activity in in vivo under physiological conditions. The blocking groups on the DAX-J2 reagent are released to generate the highly fluorescent product upon NO oxidation. DAX-J2 fluorescent product can be detected using the filter set of Cy7® and ICG. DAX-J2 IR has distinct advantages for NO detection than the popular DAF-2 NO probe: 1). It does not require esterase activity for NO detection. DAF-2 requires intracellular esterases to cleave its acetate groups for detecting NO activity. This esterase dependence often complicates the NO detection since esterse activities are affected by cell health and many other factors. 2). DAX-2 product exhibits pH-independent fluorescence while DAF-2 has its fluorescence highly affected by pH. 3). It is more sensitive for detecting NO than DAF-2. 4). It can be used for in vivo imaging of NO.
Calculators
Common stock solution preparation
Table 1. Volume of DMSO needed to reconstitute specific mass of DAX-J2™ IR to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.
| 0.1 mg | 0.5 mg | 1 mg | 5 mg | 10 mg | |
| 1 mM | 98.42 µL | 492.102 µL | 984.204 µL | 4.921 mL | 9.842 mL |
| 5 mM | 19.684 µL | 98.42 µL | 196.841 µL | 984.204 µL | 1.968 mL |
| 10 mM | 9.842 µL | 49.21 µL | 98.42 µL | 492.102 µL | 984.204 µL |
Molarity calculator
Enter any two values (mass, volume, concentration) to calculate the third.
| Mass (Calculate) | Molecular weight | Volume (Calculate) | Concentration (Calculate) | Moles | ||||
| / | = | x | = |
Spectrum
Product family
| Name | Excitation (nm) | Emission (nm) |
| DAX-J2™ Orange | 552 | 575 |
| DAX-J2™ Red | 587 | 609 |
Citations
View all 2 citations: Citation Explorer
Fluorescent real-time quantitative measurements of intracellular peroxynitrite generation and inhibition
Authors: Luo, Zhen and Zhao, Qin and Liu, Jixiang and Liao, Jinfang and Peng, Ruogu and Xi, Yunting and Diwu, Zhenjun
Journal: Analytical biochemistry (2017): 44--48
Authors: Luo, Zhen and Zhao, Qin and Liu, Jixiang and Liao, Jinfang and Peng, Ruogu and Xi, Yunting and Diwu, Zhenjun
Journal: Analytical biochemistry (2017): 44--48
Inducible Nitric Oxide Synthase (iNOS) Is a Novel Negative Regulator of Hematopoietic Stem/Progenitor Cell Trafficking
Authors: Adamiak, Mateusz and Abdelbaset-Ismail, Ahmed and Moore, Joseph B and Zhao, J and Abdel-Latif, Ahmed and Wysoczynski, Marcin and Ratajczak, Mariusz Z
Journal: Stem Cell Reviews and Reports (2016): 1--12
Authors: Adamiak, Mateusz and Abdelbaset-Ismail, Ahmed and Moore, Joseph B and Zhao, J and Abdel-Latif, Ahmed and Wysoczynski, Marcin and Ratajczak, Mariusz Z
Journal: Stem Cell Reviews and Reports (2016): 1--12
References
View all 139 references: Citation Explorer
Pitfalls and limitations in using 4,5-diaminofluorescein for evaluating the influence of polyphenols on nitric oxide release from endothelial cells
Authors: Uhlenhut K, Hogger P.
Journal: Free Radic Biol Med (2012): 2266
Authors: Uhlenhut K, Hogger P.
Journal: Free Radic Biol Med (2012): 2266
Effects of moderate electrical stimulation on reactive species production by primary rat skeletal muscle cells: cross talk between superoxide and nitric oxide production
Authors: Lambertucci RH, Silveira Ldos R, Hirabara SM, Curi R, Sweeney G, Pithon-Curi TC.
Journal: J Cell Physiol (2012): 2511
Authors: Lambertucci RH, Silveira Ldos R, Hirabara SM, Curi R, Sweeney G, Pithon-Curi TC.
Journal: J Cell Physiol (2012): 2511
Improved measurements of intracellular nitric oxide in intact microvessels using 4,5-diaminofluorescein diacetate
Authors: Zhou X, He P.
Journal: Am J Physiol Heart Circ Physiol (2011): H108
Authors: Zhou X, He P.
Journal: Am J Physiol Heart Circ Physiol (2011): H108
Aging negatively affects estrogens-mediated effects on nitric oxide bioavailability by shifting ERalpha/ERbeta balance in female mice
Authors: Novensa L, Novella S, Medina P, Segarra G, Castillo N, Heras M, Hermenegildo C, Dantas AP.
Journal: PLoS One (2011): e25335
Authors: Novensa L, Novella S, Medina P, Segarra G, Castillo N, Heras M, Hermenegildo C, Dantas AP.
Journal: PLoS One (2011): e25335
Temporal and spatial correlation of platelet-activating factor-induced increases in endothelial [Ca(2)(+)]i, nitric oxide, and gap formation in intact venules
Authors: Zhou X, He P.
Journal: Am J Physiol Heart Circ Physiol (2011): H1788
Authors: Zhou X, He P.
Journal: Am J Physiol Heart Circ Physiol (2011): H1788
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