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MESG *Phosphate assay reagent*

In the presence of inorganic phosphate MESG is converted to 2-amino-6-mercapto-7-methlpurine by purine nucleoside phosphorylase (EC 2.4.2.1) with absorption wavelength shift to red. This feature has been used to quantifying phosphate spectrophotometrically. We offer a convenient MESG-based phosphate assay kit (#21659).
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Physical properties
Molecular weight313.34
SolventDMSO
Storage, safety and handling
H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageFreeze (< -15 °C); Minimize light exposure
UNSPSC12352200
CAS55727-10-1
Calculators

Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of MESG *Phosphate assay reagent* to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.

0.1 mg0.5 mg1 mg5 mg10 mg
1 mM319.142 µL1.596 mL3.191 mL15.957 mL31.914 mL
5 mM63.828 µL319.142 µL638.284 µL3.191 mL6.383 mL
10 mM31.914 µL159.571 µL319.142 µL1.596 mL3.191 mL

Molarity calculator

Enter any two values (mass, volume, concentration) to calculate the third.

Mass (Calculate)Molecular weightVolume (Calculate)Concentration (Calculate)Moles
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Citations
View all 3 citations: Citation Explorer
Polyphosphate Coated Nanoparticles: Enzyme-Activated Charge-Reversal Gene Delivery Systems
Authors: Akku{\c{s}}-Da{\u{g}}deviren, Zeynep Burcu and Ar{\i}soy, Sema and Friedl, Julian David and F{\"u}rst, Andrea and Saleh, Ahmad and Bernkop-Schn{\"u}rch, Andreas
Journal: International Journal of Pharmaceutics (2023): 123474
Sacrificial crystal templating of hyaluronic acid-based hydrogels
Authors: Thomas, Richelle C and Chung, Paul E and Modi, Shan P and Hardy, John G and Schmidt, Christine E
Journal: European Polymer Journal (2016)
Osteogenic cell cultures cannot utilize exogenous sources of synthetic polyphosphate for mineralization
Authors: Ariganello, Marianne B and Omelon, Sidney and Variola, Fabio and Wazen, Rima M and Moffatt, Pierre and Nanci, Antonio
Journal: Journal of cellular biochemistry (2014): 2089--2102
References
View all 8 references: Citation Explorer
Relationship between activating and editing functions of the adenylation domain of apo-tyrocidin synthetase 1 (apo-TY1)
Authors: Bucevic-Popovic V, Pavela-Vrancic M, Dieckmann R, Von Dohren H.
Journal: Biochimie (2006): 265
Purine nucleoside phosphorylase activity in rat cerebrospinal fluid
Authors: Silva RG, Santos DS, Basso LA, Oses JP, Wofchuk S, Portela LV, Souza DO.
Journal: Neurochem Res (2004): 1831
Characterization of the interactions between the small GTPase RhoA and its guanine nucleotide exchange factors
Authors: Tan YC, Wu H, Wang WN, Zheng Y, Wang ZX.
Journal: Anal Biochem (2002): 156
A continuous spectrophotometric assay for aspartate transcarbamylase and ATPases
Authors: Rieger CE, Lee J, Turnbull JL.
Journal: Anal Biochem (1997): 86
Continuous monitoring of Pi release following nucleotide hydrolysis in actin or tubulin assembly using 2-amino-6-mercapto-7-methylpurine ribonucleoside and purine-nucleoside phosphorylase as an enzyme-linked assay
Authors: Melki R, Fievez S, Carlier MF.
Journal: Biochemistry (1996): 12038