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Table 1 Immunomagnetic bead-based capture of Listeria cells a

From: Highly specific fiber optic immunosensor coupled with immunomagnetic separation for detection of low levels of Listeria monocytogenes and L. ivanovii

Bacteria

Concentration (CFU/ml)

Percent captured bacteria ± SD

  

M-280 (MAb-2D12)

MyOne (MAb-2D12)

M-280 (MAb-3F8)

MyOne (MAb-3F8)

L. monocytogenes F4244

103

13.5 ± 3.2Aa

9.3 ± 2.5Aa

10.8 ± 2.9Aa

2.0 ± 0.0Bb

104

15.1 ± 4.7Aa

33.6 ± 3.0Cc

6.35 ± 1.9Bb

11.0 ± 1.0Aa

105

33.7 ± 4.7Cc

49.2 ± 3.5Dd

8.5 ± 3.6Aa

16.6 ± 8.6Aa

106

14.3 ± 1.3Aa

42.3 ± 1.5Dd

4.4 ± 2.1Bb

8.2 ± 2.4Aa

107

10.1 ± 4.2Aa

13.8 ± 2.3Aa

1.3 ± 0Bb

4.0 ± 0.3Bb

108

3.2 ± 1.4Bb

4.5 ± 0.9Bb

3.5 ± 0.6Bb

1.0 ± 0.2Bb

L. ivanovii SE98

103

5.1 ± 1.1Bb

2.0 ± 1.4 Bb

3.8 ± 1.4Bb

2.0 ± 1.4Bb

104

3.8 ± 0.8Bb

16.4 ± 7.6Aa

3.4 ± 1.5Bb

7.3 ± 1.5Bb

105

8.8 ± 4.8Aa

32.2 ± 3.6Cc

2.6 ± 0.5Bb

11.2 ± 5.8Aa

106

9.0 ± 1.9Aa

34.6 ± 5.6Cc

3.8 ± 0.7Bb

6.1 ± 1.1Bb

107

5.2 ± 3.4Bb

10.0 ± 1.1Aa

1.1 ± 0.3Bb

2.6 ± 0.7Bb

 

108

2.8 ± 0.4Bb

2.1 ± 0.4Bb

2.1 ± 0.7Bb

1.5 ± 0.5Bb

L. innocua F4248

103

2.0 ± 1.0Bb

1.5 ± 0.7Bb

2.4 ± 1.2Bb

3.5 ± 0.7Bb

104

1.7 ± 0.6Bb

2.7 ± 0.5Bb

13.3 ± 4.4Aa

10.8 ± 2.3Aa

105

1.3 ± 0.2Bb

2.4 ± 1.5Bb

8.7 ± 0.8Aa

14.2 ± 1.6Aa

106

0.2 ± 0.1Bb

0.7 ± 0.6Bb

3.2 ± 1.9Bb

9.0 ± 2.3Aa

107

0.3 ± 0.3Bb

0.8 ± 0.6Bb

3.0 ± 2.4Bb

6.1 ± 2.3Bb

108

0.01 ± 0.0Bb

0.2 ± 0.1Bb

2.6 ± 2.6Bb

1.0 ± 0.2Bb

L. marthii BAA-1595

103

2.3 ± 0.5Bb

2.0 ± 0.4Bb

2.2 ± 0.0Bb

4.5 ± 0.7Bb

104

1.5 ± 0.2Bb

0.6 ± 0.3Bb

4.0 ± 0.8Bb

7.7 ± 5.6Aa

105

0.5 ± 0.0Bb

2.0 ± 0.4Bb

5.3 ± 1.1Bb

18.0 ± 3.6Aa

106

0.6 ± 0.1Bb

1.3 ± 0.7Bb

7.3 ± 1.1Aa

5.5 ± 3.0Bb

107

0.2 ± 0.8Bb

0.3 ± 0.2Bb

2.5 ± 1.8Bb

3.2 ± 0.5Bb

 

108

2.8 ± 0.4Bb

0.02 ± 0.0Bb

1.1 ± 0.3Bb

2.0 ± 0.3Bb

  1. aBacteria were grown in TSB-YE for 18 h at 37 °C. The data are average of 3 experiments analyzed in duplicate. Values labeled with different letters (A, B, C, D or a, b, c, d) in a row or in a column are significantly different at P < 0.05.