Table 2.

Measured WE Concentrations in Meibum Solutions Containing Approximately 1.3 μg/mL Total Lipids

Species	m/z	Concentration, nM	Species	m/z	Concentration, nM
32:2	499.46	3.7 ± 1.6	43:3	651.62	3.8 ± 0.5
32:3	525.47	1.3 ± 0.2	43:2	653.63	18 ± 2
34:2	527.49	5 ± 2	43:1	655.65	100 ± 11
36:2	555.52	1.7 ± 0.1	43:0	657.66	35.8 ± 1.0
36:1	557.54	3.4 ± 0.1	44:4	663.62	2.8 ± 0.5
37:1	571.55	4.3 ± 0.4	44:3	665.63	11.9 ± 1.9
37:0	573.56	4.6 ± 0.4	44:2	667.65	59 ± 9
38:2	583.55	3.8 ± 0.5	44:1	669.66	134 ± 3
38:1	585.57	13.1 ± 1.3	44:0	671.64	21.2 ± 0.2
38:0	587.58	4.7 ± 0.1	45:3	679.64	3.2 ± 0.3
39:2	597.57	2.2 ± 0.3	45:2	681.66	10.4 ± 0.4
39:1	599.58	12 ± 2	45:1	683.68	50 ± 3
39:0	601.6	8.1 ± 0.9	46:4	691.64	2.6 ± 0.7
40:3	609.57	2.4 ± 0.3	46:3	693.66	8.0 ± 1.6
40:2	611.59	10.6 ± 1.6	46:2	695.68	31 ± 4
40:1	613.6	31 ± 2	46:1	697.69	25.7 ± 0.9
40:0	615.61	15.1 ± 0.2	47:2	709.69	6.0 ± 0.1
41:3	623.58	1.5 ± 0.3	47:1	711.71	15.9 ± 1.2
41:2	625.6	6.3 ± 0.9	48:3	721.7	9.3 ± 1.4
41:1	627.62	38 ± 5	48:2	723.71	30 ± 4
41:0	629.63	29.1 ± 1.0	48:1	725.72	10.7 ± 0.6
42:4	635.58	2.0 ± 0.5	49:2	737.72	4.3 ± 0.4
42:3	637.6	10 ± 2	50:4	747.7	3.1 ± 0.3
42:2	639.62	51 ± 10	50:3	749.72	6.6 ± 1.0
42:1	641.63	115 ± 10	50:2	751.74	14 ± 3
42:0	643.64	34.3 ± 1.1	Total		1030 ± 23