A prospective study of 93 patients found that 12.9 percent converted from a positive to a negative ¹³C-urea breath test after ...

Researchers have validated a colorimetric method that measures urea and ammonium simultaneously in a single KCl extract and ...

What is Helicobacter pylori (H. pylori)? Helicobacter pylori (H. pylori) is a type of bacteria that infects your stomach. It can damage the tissue in your stomach and the first part of your small ...

Helicobacter pylori antigen testing has been approved by the US Food and Drug Administration (FDA) for use as a noninvasive diagnostic test for H. pylori infection and as a test to determine ...

The urea breath test is used to detect Helicobacter pylori (H. pylori), a type of bacteria that may infect the stomach and is a main cause of ulcers in both the stomach and duodenum (the first part of ...

The pH measures how acidic or alkaline a person’s urine is. Ideally, the pH of urine should be around 6.0 to 7.5, but a wider range is usually acceptable. Doctors often test the urine pH and carry out ...

The urease test is a lab test that identify the type of bacteria present in the stomach. It works by detecting an enzyme, urease, which the bacteria may or may not possess. Urease is an enzyme that ...

The most common method of measuring urease activity is to add a colorimetric assay agent for ammonia (e.g., Nessler’s reagent) to a solution of hydrolyzed urea. The absorbance of the solution at a ...

Indigestion, also known as dyspepsia, is described as recurrent or chronic pain in the upper abdomen, accompanied by difficulty digesting food. It is commonly caused by stomach ulcers or ...