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For research use only.

Detection Principle The formation of nitrophenol from the substrate nitropyranoside is catalyzed by sodium-activated β-galactosidase. The increase rate of absorbance value of nitrophenol at 405 nm per unit time was proportional to the sodium concentration.
Sample Type Serum,Plasma,Animal tissue
Detection Method Colorimetric method
Detection Instrument Spectrophotometer (405 nm)
Research Area Inorganic Ions ,  Oxidative Stress
Storage This product can be stored at 2-8°C for 12 months with shading light.
Valid Period 12 months
Sensitivity 0.02 mmol/L
Detection Range 0.02-10 mmol/L
Precision inter-assay CV: 7.5-8.9% | intra-assay CV: 2.3-4.5%
Sample Volume 50 μL

The recommended dilution factor for different samples is as follows (for reference only):

Sample Type Dilution Factor
Human serum 15-25
Mouse serum 15-25
Human plasma 15-25
Rat plasma 15-25
10% Mouse liver tissue homogenate 15-25
10% Rat heart tissue homogenate 15-25

The diluent is normal saline (0.9% NaCl) or PBS (0.01 M, pH 7.4). For the dilution of other sample types, please do pretest to confirm the dilution factor.

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