Paramagnetic Particles
The SPHERO™ Magnetic Particles are prepared
by coating a layer of magnetite and polystyrene onto monodispersed (i.e.. uniform sized) polystyrene core particles. As a result, the SPHERO™ Magnetic Particles are spherical in shape, and paramagnetic in nature. They are also very uniform in size. The magnetite contents of these magnetic particles can be adjusted but in general it represents about 10% to 15% for 1 micron particles. The magnetic particles can be easily separated from a suspension magnetically. These particles become non-magnetic when removed from a magnet, and do not retain any detectable magnetism even after repeated exposure to strong magnetic field. The SPHERO™ Magnetic Particles can be used for cell separation, affinity purification, DNA probe assays, magnetic particle EIA, etc.
See STN-1: Particles Coating Procedures for protocols for attaching biological ligands.
For more information please see Using Magnetic Microparticles in Molecular and Cellular Isolations.
Downloadable: SDS for 2.5% w/v Paramagnetic Polystyrene Particles
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Catalog No. |
Description |
Concentration |
Nominal Size |
Package Size |
Price |
PM-20-10 | Magnetic Polystyrene Particles | 2.5% w/v | 2.0-2.9 µm | 10 mL | $165.00 |
PM-30-10 | Magnetic Polystyrene Particles | 2.5% w/v | 3.0-3.9 µm | 10 mL | $165.00 |
PM-40-10 | Magnetic Polystyrene Particles | 2.5% w/v | 4.0-4.5 µm | 10 mL | $165.00 |
PM-50-10 | Magnetic Polystyrene Particles | 2.5% w/v | 5.0-5.9 µm | 10 mL | $190.00 |
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Catalog No. |
Description |
Concentration |
Nominal Size |
Package Size |
Price |
AM-10-10 | Amino Magnetic Particles | 2.5% w/v | 1.0-1.4 µm | 10 mL | $175.00 |
AM-10-100 | Amino Magnetic Particles | 2.5% w/v | 1.0-1.4 µm | 100 mL | $1400.00 |
AM-15-10 | Amino Magnetic Particles | 2.5% w/v | 1.5-1.9 µm | 10 mL | $175.00 |
AM-15-100 | Amino Magnetic Particles | 2.5% w/v | 1.5-1.9 µm | 100 mL | $1400.00 |
AM-20-10 | Amino Magnetic Particles | 2.5% w/v | 2.0-2.9 µm | 10 mL | $180.00 |
AM-20-100 | Amino Magnetic Particles | 2.5% w/v | 2.0-2.9 µm | 100 mL | $1440.00 |
AM-30-10 | Amino Magnetic Particles | 2.5% w/v | 3.0-3.9 µm | 10 mL | $180.00 |
AM-30-100 | Amino Magnetic Particles | 2.5% w/v | 3.0-3.9 µm | 100 mL | $1440.00 |
AM-40-10 | Amino Magnetic Particles | 2.5% w/v | 4.0-4.9 µm | 10 mL | $180.00 |
AM-40-100 | Amino Magnetic Particles | 2.5% w/v | 4.0-4.9 µm | 100 mL | $1440.00 |
AM-60-10 | Amino Magnetic Particles | 1.0% w/v | 6.0-6.9 µm | 10 mL | $275.00 |
AM-60-100 | Amino Magnetic Particles | 1.0% w/v | 6.0-6.9 µm | 100 mL | $2200.00 |
AM-80-10 | Amino Magnetic Particles | 1.0% w/v | 8.0-9.9 µm | 10 mL | $330.00 |
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Catalog No. |
Description |
Concentration |
Nominal Size |
Package Size |
Price |
CM-025-10 | Carboxyl Magnetic Particles | 2.5% w/v | 0.1-0.39 µm | 10 mL | $170.00 |
CM-05-10 | Carboxyl Magnetic Particles | 2.5% w/v | 0.4-0.69 µm | 10 mL | $170.00 |
CM-08-10 | Carboxyl Magnetic Particles | 2.5% w/v | 0.7-0.9 µm | 10 mL | $170.00 |
CM-10-10 | Carboxyl Magnetic Particles | 2.5% w/v | 1.0-1.4 µm | 10 mL | $170.00 |
CM-10-100 | Carboxyl Magnetic Particles | 2.5% w/v | 1.0-1.4 µm | 100 mL | $1400.00 |
CM-15-10 | Carboxyl Magnetic Particles | 2.5% w/v | 1.5-1.9 µm | 10 mL | $175.00 |
CM-15-100 | Carboxyl Magnetic Particles | 2.5% w/v | 1.5-1.9 µm | 100 mL | $1400.00 |
CM-20-10 | Carboxyl Magnetic Particles | 2.5% w/v | 2.0-2.9 µm | 10 mL | $180.00 |
CM-20-100 | Carboxyl Magnetic Particles | 2.5% w/v | 2.0-2.9 µm | 100 mL | $1440.00 |
CM-30-10 | Carboxyl Magnetic Particles | 2.5% w/v | 3.0-3.9 µm | 10 mL | $180.00 |
CM-40-10 | Carboxyl Magnetic Particles | 2.5% w/v | 4.0-4.5 µm | 10 mL | $180.00 |
CM-40-100 | Carboxyl Magnetic Particles | 2.5% w/v | 4.0-4.5 µm | 100 mL | $1440.00 |
CM-50-10 | Carboxyl Magnetic Particles | 2.5% w/v | 5.0-5.9 µm | 10 mL | $245.00 |
CM-60-10 | Carboxyl Magnetic Particles | 2.5% w/v | 6.0-8.0 µm | 10 mL | $270.00 |
CM-60-100 | Carboxyl Magnetic Particles | 2.5% w/v | 6.0-8.0 µm | 100 mL | $2160.00 |
CM-80-10 | Carboxyl Magnetic Particles | 2.5% w/v | 8.0-9.9 µm | 10 mL | $330.00 |
CM-100-10 |
Carboxyl Magnetic Particles |
1.0% w/v |
10.0-13.9 µm |
10 mL |
$295.00 |
CM-150-10 |
Carboxyl Magnetic Particles |
1.0% w/v |
14.0-17.9 µm |
10 mL |
$325.00 |
CM-200-10 |
Carboxyl Magnetic Particles |
1.0% w/v |
18.0-22.9 µm |
10 mL |
$345.00 |
CM-300-10 | Carboxyl Magnetic Particles | 1.0% w/v | 25.0-37.0 µm | 10 mL | $345.00 |
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Catalog No. |
Description |
Concentration |
Nominal Size |
Package Size |
Price |
PMS-20-10 | Magnetic Polystyrene Particles, Smooth Surface | 2.5% w/v | 2.0-2.9 µm | 10 mL | $175.00 |
PMS-30-10 | Magnetic Polystyrene Particles, Smooth Surface | 2.5% w/v | 3.0-3.9 µm | 10 mL | $185.00 |
PMS-40-10 | Magnetic Polystyrene Particles, Smooth Surface | 2.5% w/v | 4.0-5.0 µm | 10 mL | $190.00 |
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Catalog No. |
Description |
Concentration |
Nominal Size |
Package Size |
Price |
CMS-30-10 | Carboxyl Magnetic Particles, Smooth Surface | 2.5% w/v | 3.0-3.9 µm | 10 mL | $195.00 |
CMS-30-100 | Carboxyl Magnetic Particles, Smooth Surface | 2.5% w/v | 3.0-3.9 µm | 100 mL | $1540.00 |
CMS-40-10 | Carboxyl Magnetic Particles, Smooth Surface | 2.5% w/v | 4.0-5.0 µm | 10 mL | $195.00 |
CMS-40-100 | Carboxyl Magnetic Particles, Smooth Surface | 2.5% w/v | 4.0-5.0 µm | 100 mL | $1540.00 |
CMS-40-10H |
Carboxyl Magnetic Particles, Smooth Surface, High Iron |
2.5% w/v |
3.8-4.9 µm |
10 mL |
$200.00 |
CMS-80-10 |
Carboxyl Magnetic Particles, Smooth Surface |
1.0% w/v |
8.0-9.9 µm |
10 mL |
$350.00 |
CMS-200-10 | Carboxyl Magnetic Particles, Smooth Surface | 1.0% w/v | 18.0-22.9 µm | 10 mL | $325.00 |
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Catalog No. |
Description |
Concentration |
Nominal Size |
Package Size |
Price |
AMS-40-10 | Amino Magnetic Particles, Smooth Surface | 2.5% w/v | 4.0-5.0 µm | 10 mL | $200.00 |
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Catalog No. |
Description |
Concentration |
Nominal Size |
Package Size |
Price |
AMS-40-10H |
Amino Magnetic Particles, Smooth Surface, High Iron |
2.5% w/v |
4.0-5.0 µm |
10 mL |
$215.00 |
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Catalog No. |
Description |
Concentration |
Nominal Size |
Package Size |
Price |
PMX-40-10 | Magnetic Particles, Cross-linked | 2.5% w/v | 3.0-6.0 µm granules, non-uniform | 10 mL | $130.00 |
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Catalog No. |
Description |
Concentration |
Nominal Size |
Package Size |
Price |
AMX-10-10 | Amino Magnetic Particles, Cross-linked | 2.5% w/v | 1.0-2.0 µm | 10 mL | $155.00 |
AMX-30-10 |
Amino Magnetic Particles, Cross-linked |
2.5% w/v |
3.0-3.9 µm |
10 mL |
$155.00 |
AMX-150-5 | Amino Magnetic Particles, Cross-linked | 1.0% w/v | 13.0-17.9 µm | 5 mL | $330.00 |
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Catalog No. |
Description |
Concentration |
Nominal Size |
Package Size |
Price |
CMX-10-10 | Carboxyl Magnetic Particles, Cross-linked | 2.5% w/v | 1.0-2.0 µm | 10 mL | $155.00 |
CMX-10-100 | Carboxyl Magnetic Particles, Cross-linked | 2.5% w/v | 1.0-2.0 µm | 100 mL | $1240.00 |
CMX-40-10 |
Carboxyl Magnetic Particles, Cross-linked |
2.5% w/v |
3.0-6.0 µm granules, non-uniform |
10 mL |
$155.00 |
CMX-200-10 |
Carboxyl Magnetic Particles, Cross-linked |
1.0% w/v |
18.0-22.9 µm |
10 mL |
$350.00 |
CMX-300-10 |
Carboxyl Magnetic Particles, Cross-linked |
1.0% w/v |
25.0-37.0 µm |
10 mL |
$345.00 |
CMX-300-100 |
Carboxyl Magnetic Particles, Cross-linked |
1.0% w/v |
25.0-37.0 µm |
100 mL |
$2455.00 |
CMX-1000-10 | Carboxyl Magnetic Particles, Cross-linked | 1.0% w/v | 90.0-120.0 µm | 10 mL | $380.00 |
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Catalog No. |
Description |
Concentration |
Nominal Size |
Package Size |
Price |
EM-05-10 |
Epoxy Magnetic Particles |
2.5% w/v |
0.4-0.6 µm |
10 mL |
$185.00 |
EM-20-10 |
Epoxy Magnetic Particles |
2.5% w/v |
2.0-2.9 µm |
10 mL |
$185.00 |
EM-20-100 |
Epoxy Magnetic Particles |
2.5% w/v |
2.0-2.9 µm |
100 mL |
$1480.00 |
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Catalog No. |
Description |
Concentration |
Nominal Size |
Package Size |
Price |
HEMAM-300-10 |
HEMA/Polystyrene Copolymeric Magnetic Particles |
1.0% w/v |
25.0-37.0 µm |
10 mL |
$360.00 |
Downloadable Technical Information : STN-20 - Activation Techniques for Hydroxyl Magnetic Particles |
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Catalog No. |
Description |
Concentration |
Nominal Size |
Package Size |
Price |
JAM-025-10 |
JEFFAMINES ® Magnetic Particles |
1.0% w/v |
0.1-0.39 µm |
10 mL |
$195.00 |
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Polystyrene