https://www.selleckchem.com/pr....oducts/adenine-sulfa
Astragalus polysaccharide (APS) was modified using the Na2SeO3/HNO3 method to obtain selenized APS (Se-APS) with a selenium content of 1.75 mg/g. The structure and physicochemical properties of APS and Se-APS were investigated through transmission electron microscopy-energy dispersive spectroscopy mapping, fourier transform infrared spectroscopy, nuclear magnetic resonance, nano-zetasizer analysis, atomic force microscopy, and scanning electron microscopy. APS and Se-APS did not exhibit toxic effects on human kidney proximal tub
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