How to diagnose 'persistent infection' that leads to gastritis, gastric ulcers, and gastric cancer —Helicobacter pylori ...

Urease is one of the most consequential enzymes in the microbial world. By hydrolyzing urea into ammonia and carbon dioxide, it lets bacteria tap a ubiquitous nitrogen source, buffer their internal pH ...

Nappy (diaper) rash is a common skin condition experienced by most infants at least once during the first 2 years of life. Despite its prevalence, there is some debate over its pathogenesis. The ...

主要用于测定尿和血液中的尿素，是一种含镍的寡聚酶。催化尿素水解生成碳酸和两分子氨的含镍酶，并释放出氨和二氧化碳。 酶促反应： 脲酶将样品中的尿素水解为氨。 显色反应： 产生的氨 ...

The Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) requires that all pesticides sold or distributed in the United States (including imported pesticides) be registered by the U.S.

An international research team led by the University of Waterloo is developing technology to dissolve painful kidney stones in the urinary tract using tiny robots. The research is published in the ...

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 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 ...

Helicobacter pylori (H. pylori) bacteria attach to the stomach’s lining. In some cases, they can cause peptic and duodenal ulcers. Natural treatments, such as honey, aloe vera, and probiotics, may ...

Researchers from the Institute of Applied Ecology of the Chinese Academy of Sciences have developed a new plant-based inhibitor that can improve the efficiency and stability of fertilizers. The ...