A urease test is positive when a urea medium turns bright pink (fuchsia) and negative when it stays yellowish. The colour change comes from ammonia released by urea hydrolysis, which makes the medium ...
O teste de urease positivo normalmente indica a presença de microrganismos que produzem a enzima urease e, quando feito em uma amostra do tecido do estômago coletada pela endoscopia, é sugestivo da ...
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