Nanotechnology, which integrates nanoscience with biomedicine and biology, has currently fascinated great attention in the area of medicinal and biological investigations. Nanomaterials of many sizes, shapes, and compositions have been established and widely used, providing stimulating potentials that mostly increase our capability to identify naturally related procedures. In addition, point-of-care procedures allow rapid and easy medicinal analysis in the home, in the doctor’s office, or out in the area. The blood glucose test is the most well-known example and the pregnancy test is another example. Taking a wider vision, they offer tantalising potential to avoid people from dying from treatable illnesses: their fast, sometimes instant statistics extremely decrease analysis times, while their cheaper types make them reasonable to medicinal centres and even individuals all over the world, with in rising countries also. Moreover, applications may contain the determination of biomarkers for investigative determinations, such as enzymes, proteins, circulating tumour cells, small molecules, and DNA/RNA in biological samples like whole serum, blood, saliva, plasma, cerebrospinal fluid, and urine.