TABLE 2.

Regression analysis of PCR results of L. monocytogenes isolated from water and milk

Bead type	Expt no.	Watera		Skim milk		Unpasteurized whole milk
		Slope	R2	Slope	R2	Slope	R2
BB beads	1	−3.33*	0.994	−3.49	0.991	−3.40	0.993
	2	−3.03	0.991	−3.28	0.991	−3.14	0.984
	3	−3.59	0.960†	−3.49	0.995	−3.19	0.995
	4	−3.47	0.967†	−3.55	0.991	−3.58	0.996
Dynabead anti- Listeria beads	1	−3.55	0.995	NDb	ND	ND	ND
	2	−3.61	0.988

^aSymbols: *, values calculated from seven 10-fold dilutions; †, values calculated from six 10-fold dilutions. 

^bND, no data.