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Nitrogen (N) is the nutrient required in the greatest amounts and the most limiting factor for plant growth (Souza and Fernandes, 2018). Urea [CO(NH 2) 2] is the most used N fertilizer worldwide, with ...

When you’re one of the 70 million Americans whose digestion is off, it’s understandable to want to do what you can to turn things around quickly. Social media is packed with posts from people who ...

The aim of the present work was to study a simple colorimetric and potentiometric biosensor based on urease inhibition by Pb (II) ions for its estimation in milk samples. Urease immobilized on nylon ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Urea monitoring in biological fluids is of crucial significance, since urea is a key ...

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 ...

For more than a century, concrete has been the foundation of our modern civilization’s infrastructure with a stoic permanence. But that strength comes at a cost. Concrete, and the cement that binds it ...

Researchers at UT Arlington have discovered a key enzyme, IDO1, that when blocked, helps immune cells regain their ability to properly process cholesterol—something that breaks down during ...

Imagine trying to bake a cake without heat. You’ve got all the ingredients like flour, eggs and sugar, but nothing is happening. That’s what your body would be like without enzymes: potential but no ...

Abstract: Urea plays a critical role in biomedical diagnostics, highlighting the need for reliable and sensitive detection methods. In this study, we present a whispering-gallery-mode (WGM) ...

School of Chemistry, University of Leeds, Leeds LS2 9JT, U.K. Astbury Centre for Structural Molecular Biology, University of Leeds, Leeds LS2 9JT, U.K. School of Chemistry, University of Leeds, Leeds ...