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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.