The cover picture illustrates metal‐organic frameworks (MOFs) being used as fluorescent probes to detect biomarkers in human urine. MOF‐based fluorescent probes facilitate the diagnosis of diseases, including pheochromocytoma, toluene exposure, vitamin deficiencies, gout, hyperuricemia, cancers, various body disorders, and teratogenic effects, with low detection limits. Unlike conventional disease diagnosis methods such as biopsies or blood collection, detecting pathogenic biomarkers in human urine is non‐invasive and carries less risk. More details are available in the article by Seyeon Jeong and Hoi Ri Moon.
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