A universal method for the functionalization of dyed magnetic microspheres with peptides
2019
Coppock, Matthew B. | Stratis-Cullum, Dimitra N.
The need for the functionalization of magnetic, water-soluble dyed microspheres with peptides is apparent with the ever-growing biointeraction capabilities and the increased use of dyed microspheres in multiplex, microsphere-based detection assays. This method describes the attachment of any peptide to dyed magnetic microspheres regardless of peptide length, size, or sequence. The method exploits ‘click’ chemistry with short reaction times in a mixed organic/water system for simultaneous selective surface functionalization and reduction of microsphere dye leaching. All optimization studies were performed using a Luminex 200 assay platform, but the functionalized microspheres are capable of use in any similar multiplex format.
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