Welcome to St. John Associates...St. John associates manufactures the highest quality fluorometers, luminometers, peptide flask shakers, thermal cyclers and cation exchange resin columns available. For over 18 years we've delivered our instruments with the promise of friendly, experienced service and support. If you're looking for sensitive, reliable instruments and precision cation exchange resins at reasonable prices you have come to the right place. St. John Associates Products: |
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