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February 15, 2007 (Vol. 27, No. 4)

Label-Free Biosensors Show Early Promise

Optical and Nonoptical Platforms Are On the Heels of Conventional ELISA

  • For the last three decades the predominant means of detecting and measuring antigen-antibody interactions, for research or clinical purposes, has been the ELISA method. While simple, cheap, and relatively specific and sensitive, its hegemony is now threatened by a variety of innovative technologies. ELISA technology is well-known and widely ...

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