CXCL8 and bacterial urinary tract infection: For the development of the proof‐of‐concept USENSE device for improved POC UTI diagnosis and prognosis, we chose a bacterial biomarker, i.e., E. coli Lipopolysaccharide (LPS), and two inflammatory biomarkers specific and sensitive to UTI, viz., Prostaglandin E2 (PGE2) and Interleukin 8(IL‐8).