Filters

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Adaptable filters for fluorescence analysis

Addressing various fluorophores with one the same filter ✓ Full range, deep blocking and high passband-transmission for best-in-class image quality ✓ Steep spectral edges to avoid optical bleed-through more

Dielectric filter solutions for PCR analyzers

Exceptionally high passband transmittance allows for highest sensitivity ✓ Deep blocking for best in class signal-to-noise ratio ✓Steep spectral edges to avoid optical bleed-through more

Widest Variety of Filter Paper Products for Laboratory and Process

The extensive Filter Paper Catalogue presents 105 different varieties, the largest selection of filter papers, glass fiber filters, extraction thimbles, blotting papers and special filtration products more

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News Filters

  • Tiny lasers from a gallery of whispers

    Whispering gallery mode (WGM) resonators are used to make tiny micro-lasers, sensors, switches, routers and other devices. These tiny structures rely on a phenomenon similar to an effect observed in circular galleries, such as in some cathedrals or museums, where sound waves travel across the galler more

  • New Filter Technology – Uses Inert Gas to Bore Holes in High-Quality Steel

    Two early-stage venture capital investors are joining the i3 Membrane GmbH startup in August 2014. High-Tech Gründerfonds (HTGF) of Bonn and Innovationsstarter Fonds of Hamburg are investing in development and marketing of a novel filter technology. The new high-tech membrane is made of high-quality more

  • New way to filter light

    Light waves can be defined by three fundamental characteristics: their color (or wavelength), polarization, and direction. While it has long been possible to selectively filter light according to its color or polarization, selectivity based on the direction of propagation has remained elusive. But n more

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Automatic Fibre Extraction for Feed Analysis

The usability of animal feed and its impact on animal health depend in large part on the proportions of the different fibre fractions that it contains. The FibreBag method developed by C. Gerhardt makes dissolving and filtering the components significantly easier and ensures more reliable, reproduci more

Microporous filter membranes for rapid microbiological tests (Rapid Microbiology)

Using the membrane filter method, a sample is filtered through a TRAKETCH® membrane. All microorganisms in a 100 ml sample solution are concentrated and retained completely (100%) on the membrane surface. Detection is performed directly on the membrane by adding a fluorescent dye which can only pene more

Cell Culture Inserts from the original equipment manufacturer and made in Germany

With our cellQART® Cell Culture Inserts we are dedicated to resolve the dilemma of customer needs for innovative cell culture products meeting highest standards at affordable prices. This product portfolio will come with PET membranes in translucent or clear optics and 6-, 12- or 24-Well format whic more

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