Table 2 Summarized results of the blind chemical recognition test

From: An enhanced-performance multisensing progressive cellular μGC: design advances and blind test results

Run

Peak

Target

Actual analyte

Reported analytes

Cell

tR (s)

Peak heights

CA (fF)

CB (fF)

AD (mV)

B1

1.1

Yes

Hexane*

Hexane*

2

48.7

≈0

≈0

4.46

1.2

Yes

Heptane*

Heptane*

2

82.5

≈0

−0.21

4.40

1.3

Yes

Octane*

Octane*

2

147.8

≈0

−0.21

4.07

1.4

Yes

Nonane*

Nonane*

3

38.2

≈0

−0.47

6.85

1.5

Yes

Decane*

Decane*

3

52.7

0.25

−0.79

7.33

1.6

Yes

Undecane*

Undecane*

3

80.6

0.42

−1.33

6.50

1.7

Yes

Dodecane

Dodecane

3

126.8

0.69

−1.71

5.83

B2

2.1

Yes

Toluene*

Toluene*

2

112.9

0.32

−0.12

76.44

2.2

Yes

Ethylbenzene*

Ethylbenzene*

2

188.7

0.43

−0.19

41.80

2.3

Yes

m-xylene

m-/p-xylene

2

195.8

0.36

−0.12

36.60

o-X

Yes

o-xylene*

Reference, not reported

2

220.5

6.29

1.61

214.18

B3

Unassigned

Yes

Isooctane

Not reported

     

3.1

Yes

Pinacolone

Pinacolone, n-Propyl acetate

2

80.8

0.95

1.56

41.08

3.2

Yes

1-Nitropropane

1-Nitropropane

2

85.4

1.70

2.94

≈0

B4

4.1

No

2-Methyl-2-pentanal

Chlorobenzene

2

159.8

42.83

74.98

146.46

4.2

N/A

Not present

Acetophenone

3

63.0

1.07

1.21

2.92

4.3

Yes

1-Nonanal

2-nonanone*, 1-Nonanal, 1-Octanol, Phenylethyl alcohol

3

76.3

45.15

50.01

40.06

B5

5.1

N/A

Not present

Ethylbenzene*

2

188.3

1.76

≈0

117.30

5.2

Yes

p-xylene

m-/p-xylene

2

198.5

4.79

−1.16

261.14

o-X

Yes

o-xylene

Reference, not reported

2

220.1

7.36

1.91

227.33

5.3

No

Chloroheptane

2-Chlorotoluene, 2-Chlorophenol, 6-Methyl-2-heptanone

2

275.0

16.19

22.49

16.47

5.4

No

3-carene

1,2,4-Trimethylbenzene, 1,4-Dichlorobenzene

3

52.5

1.91

−1.37

100.06

B6

6.1

Yes

sec-Butyl alcohol

Ethyl acetate, n-Butanal, Sec-butyl alcohol

2

50.2

0.23

0.31

9.38

6.2

N/A

Not present

n-Propyl acetate, Pinacolone, Acetic anhyrdide

2

82.4

0.23

0.37

4.66

6.3

Yes

Pinacolyl alcohol* and Methyl isobutyl ketone

Pinacolyl alcohol*, Pyridine, Dibromoethane, Methyl isobutyl ketone

2

97.6

7.78

12.70

82.94

B7

7.1

Yes

Butanone

2,3-Butanedione, Butanone, Vinyl acetate, Methyl tert-butyl ether

2

46.1

0.66

1.06

35.62

7.2

Yes

Ethyl acetate*

Ethyl acetate*, n-Butanal, sec-Butyl alcohol

2

50.7

0.46

0.65

13.69

7.3

Yes

Tetrahydrofuran*

Tetrahydrofuran*, Ethyl tert-butyl ether

2

54.8

0.18

≈0

7.67

7.4

Yes

Cyclohexane*

Cyclohexane*

2

66.5

0.09

−0.41

41.44

B8

8.1

N/A

Not present

sec-Butyl alcohol, n-Butanal, 2-Butanone

2

47.6

0.17

0.27

10.53

8.2

Yes

1-Butanol*

1-Butanol*, 3-Methyl butanone, 2-Pentanone

2

68.7

5.50

8.17

51.86

8.3

Yes

Butyl acetate*

Butyl acetate*

2

151.5

4.13

5.96

17.73

8.4

Yes

Mesitylene*

Mesitylene*

3

45.0

1.6

−1.17

139.37

8.5

Yes

Nitrobenzene

Nitrobenzene

3

63.6

23.10

30.76

10.78

  1. The * indicates the system was calibrated for the listed analyte prior to the test. Up to four candidates are provided in the order of decreasing probability
  2. Correct answers are bolded
  3. CA CapDetA, CB CapDetB, AD AiPD