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Why do Larger Non-Homogeneous Magnetic Separators Have Higher Losses of Magnetic Beads and Biomolecules?

During non-homogeneous separation in a magnetic separation rack, in order to generate a magnetic force, you need to use magnet arrangements to create a variation in the magnetic field. In this situation, the magnetic force will always vary with distance from the magnets.

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Why Do Larger Batches Not Have the Same Characteristics as Smaller Batches?

When a non-homogenous magnetic separation rack (a classical system) is used for scaling up a process, the conditions for a larger batch will completely change from the smaller batch. In these classical non-homogeneous magnetic separator, both the magnetic field gradient and the magnetic state of the beads (either linear or saturated) will vary depending on their position and relative distance to the magnet.

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Why Can’t You Simply Use a Bigger Magnet to Scale-Up Biomagnetic Separation Processes?

While it might be thought that ‘bigger is better’ during a scale-up process, merely using a larger magnet in a magnetic separation rack for larger volumes generates very different conditions. This leads to inconsistencies and other problems with the final product.

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How a magnetic separation rack works

Magnetic bead separation has become a very popular technique in life sciences. Magnetic bead separation is a quick, efficient, clean process that scientists use instead of filtration, centrifugation and separation techniques.

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Why Do Different Batch Volumes Require Different Magnetic Fields?

Do you want to learn how to take the most of your magnetic separation rack? There are lots of common mistakes related to the scale-up of biomagnetic separation processes, and lots of them imply the use of non-homogeneous magnetic racks.

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Why do IVD Companies Scale Up Their Biomagnetic Separation Processes?

When biomagnetic particle kits are initially developed, R&D companies work with small volumes in a magnetic separation rack in order to test and optimize a number of variables. When the kit is deemed successful, the company obviously wants to take the kit to market and consequently ramp up production.

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