Leptospirosis is a widespread zoonotic disease and lacks in efficient diagnostic tools. In the present study, a nanogold based dot blot immunoassay was developed and evaluated for the detection of leptospirosis in human urine samples. This method was found to be rapid (<4 h) with higher sensitivity (>4.2-14.6%) than horse radish peroxidase (HRP) conjugated dot blot assay.
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