Recent advances in low-background luminescent nanomaterials-enhanced lateral flow assays for clinical diagnosis
Liangwen Hao , Jing Chen , Quanshuang Li , Dongyu Zhang , Qingli Huang , Hao Zhang , Shibao Li
Interdisciplinary Medicine ›› 2025, Vol. 3 ›› Issue (2) : e20240078
Recent advances in low-background luminescent nanomaterials-enhanced lateral flow assays for clinical diagnosis
Lateral flow assays (LFAs) are widely applicable in clinical point-of-care testing (POCT) due to their unique advantages such as simplicity, rapidity, and cost-effectiveness. However, their sensitivity is often constrained by the background autofluorescence of the biological sample, the self-matrix, or the readout technique, thereby leading to overlooking trace amounts of biomarkers present in early disease. In recent years, various nanomaterials-based methods have been developed to address this issue, including the time-gated technique, wavelength-differentiated strategy and external modulated strategy for separation of background autofluorescence to minimize interference from biological samples. This review provides a comprehensive overview of various low-background luminescent nanoparticles (LBLNPs)-enhanced LFA systems, focusing on analyzing the underlying mechanism of these nanomaterials in improving the sensitivity and accuracy of the LFAs platform in clinical diagnosis. Representative examples are selected to demonstrate the clinical potential of these nanomaterials in detecting disease-associated biomarkers in various samples including blood, urine, saliva et al. Finally, unresolved challenges and future development prospects are briefly discussed.
clinical diagnosis / lateral flow assays / low-background luminescent nanoparticles / point-of-care testing
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2025 The Author(s). Interdisciplinary Medicine published by Wiley-VCH GmbH on behalf of Nanfang Hospital, Southern Medical University.
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