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Journal of Analytical Science and Technology
Fig. 6 | Journal of Analytical Science and Technology

Fig. 6

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

Fig. 6

Quantitative analysis of T4 in buffer using MALDI-TOF MS based on the combi-matrix. a Spot-to-spot reproducibility. b Shot-to-shot reproducibility. c Standard curves for analyzing T4 using MALDI-TOF MS based on the combi-matrices. d The Mann–Whitney test T4 analysis using MALDI-TOF MS based on the four different kinds of combi-matrices

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