THE synthesis of urea as the main end-product in protein metabolism in the mammalian body has been the subject of investigation since the early days of biochemical studies. The discovery by Kossel ...

IN a classical set of experiments, Bollman, Mann and Magath 1 demonstrated that “the production of urea in the body of the dog is entirely dependent on the presence of the liver, since urea ...

More information: Bin Hu et al, Multiplex Chroma Response Wearable Hydrogel Patch: Visual Monitoring of Urea in Body Fluids for Health Prognosis, Analytical Chemistry (2023). DOI: 10.1021/acs ...

It may be deduced from this that the urea cycle in diatoms serves in the formation of carbonaceous and nitrogenous compounds. This observation is extremely surprising as animals mainly use the urea ...