NewsLife Sciences
Microbial Testing Without the Burden: New EZ-Fit™ Filtration Units from Merck
1 Nov 2016
Weylan Kiam-Laine
Microbiologist
Product news
Merck has expanded its portfolio of EZ-Fit™ filtration units, ready-to-use, disposable filtration devices for bioburden testing. The new EZ-Fit™ filtration units come with a wide range of membrane sizes to suit all applications, and a new patented drain design to accelerate processing of turbid and hard-to-filter matrices.
The full portfolio, including the new units, conforms to international standards (USP/EP) and water testing regulations, and can be used for filtration of liquid samples including water, raw materials, in-process samples and final products. They are available in 100 mL or 250 mL funnel sizes.
Advantages of EZ-Fit™ filtration units include:
- Optimized membrane remains perfectly flat after filtration to stay in constant contact with culture media
- Unique funnel shape and hydrophobic material minimize residue and maximize sample volume
- Innovative funnel assembly eases sample collection and prevents leaks
- Stay-in-place lid prevents contamination during filtration
- Specialized rim design keeps forceps away from filtration area during transfer forceps from accidentally touching the membrane filtration area during transfer
- Easy manifold access enables better cleaning
- Transparent funnel design allows user to see when filtration is complete from any angle
- Unique membrane base shape enables easy membrane transfer
- Stackable units save space in the work area
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FiltrationFiltration and microfiltration are used to separate solids, particulates or large molecules from fluids (liquid or gases) in order to purify the filtrate. Explore a range of filter formats, including filter paper, plates and membranes for your separation needs. While larger particulates may be separated by gravity filtration, smaller particulates may require additional force for timely separation. Microfiltration equipment includes vacuum filters, as well as positive pressure, crossflow and centrifugal filtration devices. Find the best filtration products in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.MicrobiologyMicrobiology is the study of microorganisms including protists, prokaryotes, fungi, and, often, viruses. Microorganisms are a useful research tool as genetic vectors and, in immunology, for antibiotic susceptibility testing, cellular biology and genetics. Microorganisms commonly grow readily in incubators with microbial culture media; this can contain chromogenic supplements to differentiate between cell lines. Estimate your culture’s density of microorganisms with colony counters, or screen and select colonies for desirable clones with automated colony pickers. Additionally, equipment is available to monitor environments for the presence of microbes and identify with microbial identification instruments. Find the best microbiology products in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Water PurificationThere are a number of water purification methods available to remove contamination from laboratory water. These systems include demineralization, reverse osmosis, filtration and ultrafiltration. A combination of methods is sometimes necessary to achieve purified water suitable for use in experiments.Water AnalysisAnalytical methods used to test the purity of drinking water include determining the level of contaminants abides to the level set by the Environmental Protection Agency (EPA).Quality ControlQuality control is needed in all production processes. Quality control is a monitoring procedure or set of procedures that are put in place to ensure that a manufactured product adheres to a defined set of quality criteria.