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 ...

Manures, organic residuals (e.g., biosolids, food processing wastes), and many commercial fertilizers available to producers contain nitrogen (N). Nitrogen is an important plant nutrient that is often ...

High ammonia levels can be dangerous and may cause confusion, sleepiness, and difficulty concentrating. Liver disease, especially cirrhosis, is a common cause of high ammonia levels. If you have ...

Self-healing concrete bacteria turn crack water into limestone. 2026 lab trials show 23% stronger healing, 90% crack closure.

In the "Internal Medicine Paper Pick" magazine, we introduce recently published papers that are must-reads for ...

Oregano (Origanum vulgare) is a versatile herb that adds flavor to meals and offers health benefits, including aiding digestion and reducing inflammation. Discover how this versatile ingredient can ...

Swiss researchers have found a new way of detecting the notorious date-rape drug GHB in urine for up to 72 hours after ...

Food microbiology is the scientific study of microorganisms, both in food and used for the production of food. This includes microorganisms that contaminate food, as well as those used in its ...

Researchers found that urea concentrations in breast milk change during lactation, with evidence suggesting that the mammary ...