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Figure 4 | Arthritis Research & Therapy

Figure 4

From: A new concept for Urate in human serum: Evidences that support the existence of Urate as loosely associated and protein-bound Urate in human serum

Figure 4

The absorption spectra of the protein-free supernatant after leaving the serum sample for 10 minutes with sodium hydroxide solution 0.4 mol/L at 60°C. (a)-Before destruction with uricase. (b)-After destruction with uricase. The maximum decrease in absorbance recorded was at 295 nm,the same W.L at which the free uric acid solution gives its maximum absorption peak. More urate were liberated and absorb in the region between 290–295 nm.

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