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Spring Cushion Products
Alpaqua offers two (2) 96-well magnet plates for general use, the 96R Ring Magnet Plate and the 96S Super Magnet Plate, which provide efficient magnetic bead separation for a variety of applications.
The Alpaqua 96R and 96S magnet plates contain ring-shaped Neodymium-Iron-Boron (NdFeB) magnets which lead to rapid magnetic bead segregation in a circle around the perimeter of each well bottom. This leaves a bead-free area of several millimeters in diameter in the center of the well allowing pipet tips to efficiently aspirate sample supernatant, wash fluids, or eluates.The 96S magnet plate contains stronger magnets than the 96R, which allows for faster bead separations.
All Alpaqua magnet plates contain integrated Spring Cushion Technology. This technology allows plates to give way when tips come in contact with a well bottom, thus compensating for physical tolerances between labware and pipettors that can compromise precision aspiration.
Additionally, the 96R and 96S plates were designed with automation in mind. They have an SBS footprint to fit into standard liquid handler plate nests, plate hotels, and stackers. Gripper grooves on the long sides provide space for robotic arms or grippers when moving microplates on and off the magnet plates.
The 96R is ideal for separation volumes up to 350 µl in 96-well PCR plates (skirted or non-skirted) and round-bottom microplates (e.g. Corning Costar 3795 series).
The 96S contains stronger magnets than our standard 96R Ring Magnet plate. Use the 96S Super Magnet Plates for large volume separations of up to 1 ml, or for faster separations of smaller volumes.
Alpaqua 96-Well Ring Magnet Plates (96R/A001219, 96S/A001322, and 96M/A000250) are compatible with a variety of microplate types such as PCR plates, deepwell plates, U- & V-bottom plates and most skirted, non-skirted, and semi-skirted 96-well PCR plates. (One example of a PCR plate that does NOT work is the full-skirted Eppendorf® twin.tec 96 well PCR plate because the wells do not reach far enough into the magnet ring. The semi-skirted and non-skirted versions of this plate are fine.). This product is generally not recommended for use with flat bottom plates.
Below is a list of sample plates we have used over the years that work well. This list is not comprehensive. There are many plates not specifically listed below that are fully compatible with 96R, 96S, and 96M Magnet Plates. If you would like to use a plate that is not on the list, submit a sample to Alpaqua and we will test it.
All three 96-well ring magnet plates are mutually compatible - if a plate fits on one, it fits on all three.
Corning Costar 3795
96 Well Round Bottom Plate, Polystyrene
Ritter riplate® sw
96 Deep Well Round Bottom Plate, PP, 2 ml/well
* All trademarks mentioned are the property of their respective owners.
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