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Table 3 Summary of ipratropium detection by LC–MS/MS

From: Mass spectrometry detection of inhaled drug in distal fibrotic lung

Biopsy sample ID Biopsy type Ipratropium detected (±) Sample weight (mg)
3A TBC (Distal) +  3.4
4A TBC (Distal) +  20.4
5A TBC (Distal) +  23.2
6A TBC (Distal) +  0.1
6B TBC (Distal) +  7.8
8A TBC (Distal) +  97.8
3B Endobronchial (Proximal) +  < 0.1
3C Endobronchial (Proximal) +  2.6
4B Endobronchial (Proximal) +  < 0.1
4C Endobronchial (Proximal) +  0.1
4D Endobronchial (Proximal) +  1.9
5B Endobronchial (Proximal) +  0.1
5C Endobronchial (Proximal) +  < 0.1
5D Endobronchial (Proximal) No Sample* 1.2
6C Endobronchial (Proximal) +  < 0.1
6D Endobronchial (Proximal) +  < 0.1
6E Endobronchial (Proximal) +  < 0.1
8B Endobronchial (Proximal) +  < 0.1
8C Endobronchial (Proximal) +  < 0.1
8D Endobronchial (Proximal) +  0.5
  1. *Endobronchial biopsy sample 5D was lost during sample preparation