AuNPs/CNC Nanocomposite with A “Dual Dispersion” Effect for LDI‐TOF MS Analysis of Intact Proteins in NSCLC Serum Exosomes
Liang Shan,
Yongxia Qiao,
Lifang Ma
et al.
Abstract:Detecting exosomal markers using laser desorption/ionization time‐of‐flight mass spectrometry (LDI‐TOF MS) is a novel approach for examining liquid biopsies of non‐small cell lung cancer (NSCLC) samples. However, LDI‐TOF MS is limited by low sensitivity and poor reproducibility when analyzing intact proteins directly. In this report, gold nanoparticles/cellulose nanocrystals (AuNPs/CNC) is introduced as the matrix for direct analysis of intact proteins in NSCLC serum exosomes. AuNPs/CNC with “dual dispersion” … Show more
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