Living cells are sustained by countless chemical reactions that must be carefully regulated to maintain internal order and ...

How you manage the mix in cornfields can determine whether the nitrogen feeds your crop or disappears into thin air.

A team of researchers from Caltech and the University of Southern California has developed a microrobot for drug delivery ...

No, it’s not a dream. Students in Cape Town, South Africa, have indeed used urine mixed with sand and bacteria to create biological bricks! This ...

Wei Gao's lab at Caltech has made simple protein bubbles that are "smart" enough to transport themselves to tumor sites where they can be popped to release drug therapies ...

A team of researchers has developed a new biosensor that turns the invisible signals into visible color changes to detect urea levels in a simple way. The sensor works by combining gold nanoparticles ...

Researchers at the Institute for Bioengineering of Catalonia (IBEC) have created the world's simplest artificial cell capable of chemical navigation, migrating toward specific substances like living ...

Background and Aim: The current diagnostic methods for detecting Helicobacter pylori infection include rapid urease test (RUT), urea breath test (UBT), histology, culture, and serum antibody detection ...

The subjects consisted of 100 inpatients who underwent thorough upper gastrointestinal endoscopy at Wakayama Medical University Kihoku Hospital from May 2001 to January 2002 (56 men, 44 women; mean ...

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 ...