There’s only one Amicon® filter. Don’t be fooled.
• Centrifugal ultrafilters are posing as high-quality Amicon® Ultra filters, but are rather thinly disguised. • These filters may exhibit imprecise analyte separation and poor device integrity. • Victims report poor protein yield and difficulties with downstream analysis.
Avg. α-Chymotrypsinogen A Recovery (%)
C AUTION:
10 kDa Amicon® Ultra 4 Filter vs. 10 kDa Competitor V Filter 100%
3%
80%
53%
60% 40% 20% 0%
46%
87% Amicon® Ultra 4 10 kDa
Competitor B 10 kDa Retenate
Don’t be fooled – Merck Millipore’s history of membrane technology and filter device engineering is unmatched.
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Merck Millipore, the M logo and Amicon are registered trademarks of Merck KGaA, Darmstadt, Germany.
Filtrate
Competitor B 10 kDa filter has <50% recovery of 25 kDa protein.
Contact Merck Millipore: Australia: 1800 335 571 New Zealand: 0800 463 725