Over the years, there has been increasing demand of sensors for clinical diagnosis, environmental, and industrial applications with strong requirements concerning selectivity, sensitivity and speed. In this manuscript readers can able to find out the cost-effective, sensitive, selective and easy to operate technique for ultimate use in the detection of biomolecules ranging from micro- to macromolecular size at trace level, which is fabricated for common people. In this book author try to incorporate both the fundamentals and wide application of target-specific materials, which is popularly...