Chapter 1_Advanced surface engineering strategies for point-of-care devices -- Chapter 2_Nanomaterial functionalization strategies for point-of-care devices -- Chapter 3_Advances in two- and three-dimensional nanomaterials for biosensor development -- Chapter 4_Carbon based nanomaterials and their functionalization strategies for biosensing -- Chapter 5_Magnetic nanoparticles based biosensing strategies for clinical analysis -- Chapter 6_Surface Engineered Nanobiosensors for Disease Biomarker Identification -- Chapter 7_Nano-bio-analytical systems for detection of emerging infectious diseases -- Chapter 8_Bioanalytical devices for whole cell and bacteria detection -- Chapter 9_Sensing surface development for volatile organic compound detection -- Chapter 10_Recent trends in enzyme-based sensing devices for clinical analysis -- Chapter 11_Paper based sensing devices for clinical and environmental monitoring -- Chapter 12_Smartphone interface and wearable biosensors for onsite diagnosis -- Chapter 13_Designing aptamers based optical bioanalytical systems -- Chapter 14_Lab-on-a-chip based multiple analytes detection system -- Chapter 15_Commercialization of nanobiosensors: Challenges and opportunities.