Copyright 2018, InnovaPrep LLC Patented https://www.innovaprep.com/patents
TABLE 2.1 CONCENTRATING PIPETTE SELECTION GUIDE
Membrane
Surface Area
cm
2
Input Sample
Volume (Varies
by Matrix)
Final Concentrated
Sample Volume
(User Selectable)
Processing Rate
(Varies by Matrix)
mL/min
Flat Membrane
Polycarbonate
Track Etch
Recommended for concentrating bacteria,
whole cells, spores, pollen, and parasites from
food and beverage matrices or samples
containing proteins and polysaccharides
Flat Membrane
Polyethersulfone
Recommended for concentrating bacteria,
whole cells, spores, pollen, and parasites from
environmental samples
Recommended for concentrating bacteria,
whole cells, spores, pollen, and parasites from
high fouling matrices
Recommended for concentrating bacteria,
whole cells, spores, pollen, and parasites from
all sample types
Recommended for virus concentration. The
addition of Tween 20 to the sample is
recommended to aid recovery efficiency (add
10% solution of Tween 20 in a 1/100 ratio to
the sample)
* With regards to starting sample volume, it is recommended that the entire sample should be processed within 30 minutes. It has been observed that there is a reduction
in the recovery when processing times exceed 30 minutes. The recommended upper-end run volume as shown in the concentrating pipette tip selection guide and time of
30 minutes is a general recommendation and may be dependent on sample matrix and target organism. See Section 10 for full part number list.
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