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The synthesized QDs exhibit excellent quantum efficiency, stability, and biocompatibility, enhanced by mercaptopropionic acid (MPA) ligands, enabling eco-friendly and accurate sensing. Detection limits of 0.84\u00a0\u00b5g\/mL for folic acid, 0.33\u00a0mM for glucose, and 1.15\u00a0\u00b5g\/mL for vitamin C were achieved with high linearity (R\n                    <jats:sup>2<\/jats:sup>\n                    \u2009&gt;\u20090.97). These results underscore the potential of CdTe\/ZnS QDs in advanced biosensing technologies, offering sensitive and selective metabolite detection through a robust FRET-based mechanism. The versatility and aqueous solubility of these QDs pave the way for their integration into multiplex diagnostic systems for enhanced biomedical applications.\n                  <\/jats:p>","DOI":"10.1007\/s10895-025-04138-9","type":"journal-article","created":{"date-parts":[[2025,1,20]],"date-time":"2025-01-20T22:57:56Z","timestamp":1737413876000},"page":"8025-8041","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Fluorescent CdTe\/ZnS Core\/Shell Quantum Dots for Sensitive Metabolite Detection in Real Samples"],"prefix":"10.1007","volume":"35","author":[{"given":"Melahat Sevg\u00fcl Bakay","family":"A\u011fbulut","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erdem","family":"Elibol","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Musa","family":"\u00c7ad\u0131rc\u0131","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tuna","family":"Demirci","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,1,21]]},"reference":[{"key":"4138_CR1","doi-asserted-by":"publisher","unstructured":"Yao D, Hu Z, Zheng L et al (2023) Laser-engineered black rutile TiO2 photoanode for CdS\/CdSe-sensitized quantum dot solar cells with a significant power conversion efficiency of 9.1 %. 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