Thermally Engineered Ferric Yolk-Shells for Vaginal Secretion Based Cervical Cancer Screening

ADVANCED FUNCTIONAL MATERIALS(2024)

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Abstract
Engineering of materials is crucial for the advanced detection of bio-molecules, particularly in laser desorption/ionization mass spectrometry (LDI-MS). However, effective screening with enhanced LDI performance remains challenging due to the lack of engineered substrate materials. Herein, thermally engineered ferric yolk-shells are designed for enhanced metabolic screening of cervical cancer (CC) using vaginal secretion. A facile thermal engineering strategy is developed to prepare amorphous ferric yolk-shells with integrated properties. Notably, the amorphous mesoporous yolk-shells offer signal amplification up to orders of magnitude in LDI-MS for standard metabolites and diverse bio-samples. High-performance CC screening (including identification of human papillomavirus (HPV) infection, high-grade squamous intraepithelial lesion (HSIL), and CC) is achieved, with the areas under the curve of 0.842-0.963. Finally, a metabolic panel for CC screening, covering the stages of HPV, HSIL, and CC, is established. This work elucidates the LDI-MS mechanism for enhanced metabolic detection and highlights potential applications in cancer screening. Thermally engineered ferric yolk-shells are designed for enhanced signal acquisition in yolk-shell enhanced laser desorption/ionization mass spectrometry (LDI-MS). Further, high-performance metabolic screening of cervical cancer is achieved with the areas under the curve of 0.842-0.963 using metabolic fingerprinting of vaginal secretion. The work elucidates LDI-MS mechanism for enhanced metabolic detection and highlights applications in cancer detection. image
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Key words
biomarkers,cervical cancer,mass spectrometry,screening,yolk-shells
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