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Journal of Analytical Science and Technology
Fig. 1 | Journal of Analytical Science and Technology

Fig. 1

From: Laser desorption/ionization mass spectrometry of L-thyroxine (T4) using combi-matrix of α-cyano-4-hydroxycinnamic acid (CHCA) and graphene

Fig. 1

Principle of combi-matrix. a Schematic view of the enhanced energy transfer for the ionization and desorption of analytes by the combi-matrix. b T4 analysis by solid matrix and combi-matrix composed of a conventional organic matrix (CHCA) and solid matrices of P25, Pt nanoparticles (Pt NPs), carbon nanotubes (CNTs), and graphene

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