Laboratory Products 83


New Mixer Mill Adapters for Rapid and Efficient Cell Disruption and Sample Homogenisation


Retsch’s mixer mill MM 400 is a true multi-purpose mill in the lab: it is used for mixing and homogenising powders and suspensions within seconds and is also ideally suited for the disruption of biological cells as well as DNA/RNA and protein recovery.


A new adapter now allows for simultaneous cell disruption of up to 8 x 30 ml cell suspension in 50 ml Falcon tubes with glass beads. The oscillation frequency of the mill of up to 30 Hz and the process time can be individually adjusted according to application requirements. Depending on the type of cell (yeast, bacteria, microalgae, filamentous fungi) this method is greatly superior to manual procedures as it allows to reproducibly disrupt up to 240 ml of cell suspension within 20 seconds to 7 minutes without noticeable temperature increase. Another new adapter for 4 x 30 ml wide mouth bottles allows for processing up to 8 samples for applications like washing bacteria off tissue samples.


The adapter for 5 ml Eppendorf tubes is used for the homogenisation of cell suspensions, tough secretions or tissue pieces with a volume up to 3 ml (incl. buffer) in single-use tubes in one working run, i. e. without previous division of the sample. The adapter accommodates 5 Eppendorf tubes and two adapters can be clamped into the mill; hence, it is possible to simultaneously process 10 x 3 ml of sample material.


This highly flexible mixer mill accepts a variety of grinding jars and adapters and is also used for the homogenisation of plants, soft cell tissue but also of harder sample materials.


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German-Engineered Microplate Readers are Built to Endure for Decades


From the outset BMG Labtech’s mission was to develop microplate readers guaranteed to provide optimum performance for years. BMG Labtech has continued this philosophy while continuing to remain at the forefront of microplate reading. Some of the company’s very first products are still in use across the globe.


Nigel Gooderham, Professor of Molecular Toxicology at Imperial College London is working with one of BMG Labtech’s first plate readers, purchased 17 years ago. “The service the machine has given has been outstanding and it truly has been multifunctional throughout its lifetime. We still have a range of assays that are routinely run on the instrument on a weekly basis and the reproducibility and accuracy is always excellent. The reliability and continuity we get from repeatedly using the same machine is very reassuring,” said Nigel.


BMG Labtech’s long-lasting products deliver excellent and reproducible results over decades when routinely maintained. The company’s applications and technical support teams will be there for customers for the lifetime of their microplate reader.


Visit BMG Labtech’s website to read how Analytik Jena AG, Imperial College London, The School of Clinical Dentistry (University of Sheffield) and The University of Leicester are using some of the very first BMG Labtech microplate readers.


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Innovative, high-performance microplate readers for all assay needs


Made in Germany www.bmglabtech.com © 2017 All rights reserved. All logos and trademarks are the property of BMG LABTECH.


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