Surface plasmon resonance sensor for detection of bisphenol A in drinking water

Abstract We report detection of bisphenol A (BpA) in drinking water using a compact surface plasmon resonance (SPR) sensor and binding inhibition detection format. This method does not require any special treatment of water samples – the analyzed water is just passed through a 0.22 μm filter and its pH and salt content are adjusted to those of the phosphate buffered saline (PBS). We demonstrate that this approach allows detection of BpA in drinking water down to 40 pg/ml in less than 35 min.

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