Table 1

Analytical sensitivity of Candida cells capture with IMS method

Strains
Time (hours) of positive blood culture
(mean ± SD)a
CFU/ml in initial contaminated blood
CFU/ml after IMS
(mean ± SD)a
Immunocaptured cells
(% ± SD)ab

Candida albicans 5575
25.45 ± 0.59
32
8.8 ± 0.6
27.5 ± 1.9
Candida albicans ATCC 66396
25.95 ± 1.46
6
1.75 ± 0.3
29.1 ± 3.8
Candida krusei 5374
22.26 ± 0.48
30
3.25 ± 0.5
10.8 ± 1.7
Candida krusei 5481
16.20 ± 0.28
40
17.3 ± 2.5
43.2 ± 6.2
Candida glabrata 5511
25.05 ± 0.5
20
7.6 ± 1.3
38 ± 6.4
Candida glabrata 5484
25.38 ± 0.58
10
3.8 ± 0.6
38 ± 6.3
Candida tropicalis 5437
19.02 ± 0.88
30
4.8 ± 2.2
16 ± 3.8
Candida tropicalis 5395
17.51 ± 0.50
30
4.3 ± 2.2
14.3 ± 7.3

acalculation of mean and SD is derived from three different experiments

bpercentage of immunocaptured cells: number of CFU per 1 ml of blood after IMS procedure/number of CFU per 1 ml of blood in initial contaminated blood

CFU: Colony Forming Unit, IMS : ImmunoMagnetic Separation, SD : Standard Deviation

Apaire-Marchais et al. BMC Microbiology 2008 8:157   doi:10.1186/1471-2180-8-157