Enzyme-amplified protein micorarray and a fluidic renewable surface fluorescence immunoassay for botulinum neurotoxin detection using high-affinity recombinant antibodies
Journal Article
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· Analytica Chimica Acta, 570(2):137-143
With the use of high-affinity recombinant monoclonal antibodies against the receptor binding domain of botulinum neurotoxin A (BoNT/A), two separate immunoassay platforms were developed for either the sensitive or the rapid detection of BoNT/A. An enzyme-linked immunosorbent assay (ELISA) microarray was developed for the specific and sensitive detection of BoNT in buffer and clinical fluids. This assay has the sensitivity to detect BoNT in diverse samples down to 14 fM (1.4 pg/mL). Using the recombinant monoclonal antibodies, a renewable surface microcolumn sensor was developed for the rapid detection of BoNT/A in an automated fluidic system. While the ELISA microarray assay, because of its sensitivity, offers an alternative to the mouse bioassay, the renewable surface assay has potential as a rapid screening assay for the analysis of complex environmental samples.
- Research Organization:
- Pacific Northwest National Laboratory (PNNL), Richland, WA (US), Environmental Molecular Sciences Laboratory (EMSL)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-76RL01830
- OSTI ID:
- 887364
- Report Number(s):
- PNNL-SA-47972; 10497; 400904120
- Journal Information:
- Analytica Chimica Acta, 570(2):137-143, Journal Name: Analytica Chimica Acta, 570(2):137-143 Journal Issue: 2 Vol. 570; ISSN ACACAM; ISSN 0003-2670
- Country of Publication:
- United States
- Language:
- English
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