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. 2021 Nov 15;11(11):780. doi: 10.3390/metabo11110780

Figure 4.

Figure 4

(A) Scheme of PALDI ion source. Reprinted with permission from the authors of [60]. Copyright (2014) American Chemical Society. (B) Scheme of LADBDI ion source. Reprinted with permission from the authors of [61]. Copyright (2021) American Chemical Society. (C) Scheme of LADI ion source. Reprinted with permission from the authors of [63]. Copyright (2017) American Chemical Society. (D) Scheme of LAAPCI ion source. Reprinted with permission from the authors of [64]. Copyright (2013) John Wiley and Sons Ltd.