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The first rate-limiting step of L-tyrosine hydroxylation is catalyzed by tyrosinase (TYR) and tyrosine-related protein-2 (TYRP2) to form L-dopaquinone (L-DOPA)

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Quantification of bacterial urease activity To quantify remnant urease activity post-treatment, Berthelots method (Weatherburn, 1967) was adapted and slightly modified

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They are critical ones