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5.4.4 Power-law distribution in segment sticking efficiencies and extrapolated minimum
sticking efficiencies
The relationship between
F
and corresponding Α-values
was determined by a power-law
distribution (Fig. 5.4b): each fit had a
R
2
value of 0.99 or higher. With the power-law distribution
equations the minimum sticking efficiencies of the two bacteria strains were determined: 10
-7
for
1.0E+00
UCFL-94
UCFL-131
1.0E-01
1.0E-02
1.0E-03
1.0E-04
1.0E-06
1.0E-05
1.0E-04
1.0E-03
1.0E-02
Α
i
(-)
Fig 5.4:
Fraction of cells retained ( F ) as a function of segment sticking efficiency (
Α
)
for the two E. coli strains. Fractions exiting the column are respectively 0.19 and
0.87 for UCFL-94 and UCFL-131, respectively
Table 5.2: Fitted power-law equations between (
F ) and extrapolated minimum sticking (
Α
I
)
min
Strain
Power-law
Coefficient
of
(
Α
I
)
min
equation
determination
(R
2
)
UCFL-94
F
=129.8Α
1.05
0.99
1.68E-07
UCFL-131
F
=125.69Α
0.99
0.99
6.75E-08
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