학술논문

The exploration of quantum dot-molecular beacon based MoS2 fluorescence probing for myeloma-related Mirnas detection
Document Type
article
Source
Bioactive Materials, Vol 17, Iss , Pp 360-368 (2022)
Subject
Multiple myeloma
miRNA-155
miRNA-150
Duplex-specific nuclease (DSN)
Quantum dot
MoS2
Materials of engineering and construction. Mechanics of materials
TA401-492
Biology (General)
QH301-705.5
Language
English
ISSN
2452-199X
Abstract
Highly sensitive and reliable detection of multiple myeloma remains a major challenge in liquid biopsy. Herein, for the first time, quantum dot-molecular beacon (QD-MB) functionalized MoS2 (QD-MB @MoS2) fluorescent probes were designed for the dual detection of multiple myeloma (MM)-related miRNA-155 and miRNA-150. The results indicate that the two probes can effectively detect miRNA-155 and miRNA-150 simultaneously with satisfactory recovery rates, and the limit of detections (LODs) of miRNA-155 and miRNA-150 in human serum are low to 7.19 fM and 5.84 fM, respectively. These results indicate that our method is the most sensitive detection so far reported and that the designed fluorescent probes with signal amplification strategies can achieve highly sensitive detection of MM-related miRNAs for MM diagnosis.