What are the Sera-Mag™ Carboxylate-Modified Magnetic Beads & SpeedBeads?

Sera-Mag™ Carboxylate-Modified Magnetic Beads & SpeedBeads have free carboxyl groups on the surface for convenient covalent coupling of target molecules (proteins, peptides, and amine-modified ligands) via primary amines (NH2). 

  • Wide application range: Carboxylic groups on the surface form covalent amide bonds with proteins, peptides or amine-modified ligands for use in many downstream applications including protein purification, DNA sample preparation and clean-up, protenomicsand immunoassays.
  • Convenient one-step or two-step coupling: Carbodiimide chemistry allows rapid formation of stable bonds to minimize ligand leaching.
  • Fast magnetic separation: Available in original Sera-Mag™ format or Sera-Mag™ SpeedBeads version for faster magnetic response and shorter assay times in clinical diagnostic tests.
  • High performance: Excellent sensitivity and low nonspecific binding for greater accuracy.

What is the difference between E3 and E7 bead?

E3 and E7 refer to the different manufacturing process for the beads. E3 and E7 beads behave similarly and we continue to provide both bead types to our customers for test and validation in their chosen application.

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Sera-Mag magnetic beads
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Product Product Name Price
24152105050250 Sera-Mag™ Carboxylate-Modified [E7] Magnetic Particles 15 mL 455.00 USD Add to cart

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24152105050350 Sera-Mag™ Carboxylate-Modified [E7] Magnetic Particles 100 mL 2 366.00 USD Add to cart

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44152105050350 Sera-Mag™ Carboxylate-Modified [E3] Magnetic Particles 100 mL 2 340.00 USD Add to cart

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44152105050250 Sera-Mag™ Carboxylate-Modified [E3] Magnetic Particles 15 mL 455.00 USD Add to cart

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24152105050450 Sera-Mag™ Carboxylate-Modified [E7] Magnetic Particles 1000 mL 17 300.00 USD Add to cart

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65152105050250 Sera-Mag™ SpeedBead Carboxylate-Modified [E3] Magnetic Particles 15 mL 637.00 USD Add to cart

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44152105050450 Sera-Mag™ Carboxylate-Modified [E3] Magnetic Particles 1000 mL 17 100.00 USD Add to cart

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45152105050250 Sera-Mag™ SpeedBead Carboxylate-Modified [E7] Magnetic Particles 15 mL 637.00 USD Add to cart

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45152105050350 Sera-Mag™ SpeedBead Carboxylate-Modified [E7] Magnetic Particles 100 mL 2 193.00 USD Add to cart

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65152105050450 Sera-Mag™ SpeedBead Carboxylate-Modified [E3] Magnetic Particles 1000 mL 20 000.00 USD Add to cart

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65152105050350 Sera-Mag™ SpeedBead Carboxylate-Modified [E3] Magnetic Particles 100 mL 2 536.00 USD Add to cart

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29373484 Buy Three SpeedBead Carboxylate packs and get GenomiPhi 2 055.00 USD Add to cart

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29373488 Buy Three SpeedBead Carboxylate packs and get TempliPhi 2 134.00 USD Add to cart

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29373489 Buy Three SpeedBead Carboxylate packs and get MagRack 6 2 174.00 USD Add to cart

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45152105050450 Sera-Mag™ SpeedBead Carboxylate-Modified [E7] Magnetic Particles 1000 mL 19 600.00 USD Add to cart

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