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Cross-Linked Reticular Magnetic Beads Immobilizing Streptavidin for Fishing the Protein of Interest with High Sensitivity.

PubMed · 2026-05-20

Researchers developed a new type of magnetic bead coated with a protein-capture molecule (streptavidin) that can efficiently pull specific proteins out of complex biological mixtures. The improved cross-linked design holds more capture molecules, making it more sensitive than previous methods.

Cross-linked carboxylic magnetic beads showed higher affinity-ligand loading capacity than standard beads, directly improving assay sensitivity.

Streptavidin immobilization on the bead surface enables capture of virtually any biotinylated protein or nucleic acid target.

The fabrication method is described as simple, suggesting easier adoption in labs without specialized equipment.

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