Is biosensor a nanotechnology?
3.1. Nanomaterials-Based Biosensors for the Detection of Glucose. The glucose biosensor has been widely used as a clinical indicator of diabetes. Nanoscale materials such as GNPs, CNTs, magnetic nanoparticles [89], Pt nanoparticles [90], Quantum dots, etc.
Why nanoparticles are used in biosensors?
By utilizing the unique properties of a variety of nanoparticles for biosensing functions, effective biosensors have been developed and applied. As an attractive alternative to conventional dyes, fluorescent nanoparticles have greatly increased the sensitivity in a variety of biosensor formats.
Which technology is used in biosensors?
Optic-based biosensors are next major technology in biosensing involving fiber-optic chemistry. Single molecule detection, for example, DNA or peptide, is best done using hydrogel-based cross-linking due to the advantage of having high loading capacity and hydrophilic nature.
Who is the father of biosensors?
Leland C. Clark Jr.
Considered the “father of biosensors,” Leland C. Clark Jr. invented the first device to rapidly determine the amount of glucose in blood. Today many of the 18.2 million Americans with diabetes rely on Clark’s original glucose sensor concept for self-monitoring.
Where can nanotechnology be used?
Applications of nanotechnology have emerged with increasing need of nanoparticle uses in various fields of food science and food microbiology, including food processing, food packaging, functional food development, food safety, detection of foodborne pathogens, and shelf-life extension of food and/or food products.
What nanotechnology detects germs in food?
A carbon nanotube based potentiometric biosensor is able to selectively detect one single colony-forming unit of the bacterium Salmonella Typhi in close to real time. To build their sensor, researchers linked carboxylated single-walled carbon nanotubes (SWCNT) to an aptamer.
How are biosensors useful to us?
Biosensors are used for the detection of pathogens in food. Presence of Escherichia coli in vegetables, is a bioindicator of faecal contamination in food. E. coli has been measured by detecting variation in pH caused by ammonia (produced by urease–E.
How does nanotechnology have an impact on biosensors?
Nanotechnology has led to a dramatic improvement in the performance, sensitivity and selectivity of biosensors.
Who is the Greek professor of biosensors and nanotechnology?
Materials Scientists and Bioengineers who want to learn more about how nanotechnology can lead to more efficient, cheaper biosensors Dimitrios P. Nikolelis is Professor. of Analytical and Environmental Chemistry at the University of Athens, Greece.
Who is the leader of the NanoBioElectronics group?
Nanobioelectronics & Biosensors Group. Welcome. Welcome to the website of the Nanobioelectronics & Biosensors Group, led by Prof. Arben Merkoçi. Our group is part of the Catalan Institute of Nanotechnology in Bellaterra (ICN2) (Barcelona), Catalonia, Spain.
What kind of research is done on nanotechnology?
We carry out research on the integration of nanotechnology methods, tools and materials into low cost, user friendly and efficient sensors and biosensors.