The rapid advancement in technology has envisaged and drafted the use of optical bio-sensing units into label free and multiplexed bio-sensing, exploring the surface plasmon polaritons, which has turned into a gold standard on the commercial basis, but they are bulky and find difficulty in scaling up for the throughput detection. The integration of plasmonic crystals with microfluidics on the bio-sensing frontier offers a multi-level validation of results with the ease of real-time detection and imaging and holds a great promise to develop ultra-sensitive, fast, portable device for the point-of-care diagnostics. The paper describes the fast, low cost approach of designing and simulating label free biosensor using open source MEEP and other software tools targeting Immunodiagnostics.
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