Magnetic bead for analyte concentration and ionization for MALDI-TOF MS, method of fabricating the same, and method of mass analysis using the same

摘要

Magnetic beads according to various embodiments of the present invention, a method for manufacturing the same, and a mass spectrometry method using the same are disclosed. A magnetic bead according to an embodiment of the present invention is a magnetic bead that combines concentration of analyte in a sample and a matrix for mass assisted matrix analysis (MALDI-TOF), and has magnetic properties. Core part; And nano metal particles or nano metal islands bonded to the core portion to form a negative charge surface layer.