Search results
Results from the WOW.Com Content Network
Bio-FETs couple a transistor device with a bio-sensitive layer that can specifically detect bio-molecules such as nucleic acids and proteins. A Bio-FET system consists of a semiconducting field-effect transistor that acts as a transducer separated by an insulator layer (e.g. SiO 2) from the biological recognition element (e.g. receptors or probe molecules) which are selective to the target ...
Biosensors used for screening combinatorial DNA libraries. In a biosensor, the bioreceptor is designed to interact with the specific analyte of interest to produce an effect measurable by the transducer. High selectivity for the analyte among a matrix of other chemical or biological components is a key requirement of the bioreceptor.
3D Sarfus image of a DNA biochip. The microarray—the dense, two-dimensional grid of biosensors—is the critical component of a biochip platform. Typically, the sensors are deposited on a flat substrate, which may either be passive (e.g. silicon or glass) or active, the latter consisting of integrated electronics or micromechanical devices that perform or assist signal transduction.
One paper-based biosensor that can be used to detect Salmonella, as well as E. coli, uses the nanomaterial graphene. These strips are a form of lateral flow assay, where the test line is composed of fluorescence antibody-labeled CdSe/ZnS quantum dots (Ab-QDs) as probes. After the sample has been applied, graphene oxide is added and it functions ...
From April 2008 to December 2012, if you bought shares in companies when Edward A. Mueller joined the board, and sold them when he left, you would have a 81.6 percent return on your investment, compared to a 3.4 percent return from the S&P 500.
The group expects that shoppers will have made $979.5 billion to $989 billion worth of purchases in November and December, which would represent a 2.5%-3.5% increase over the same two-month period ...
Bioinstrumentation is a new and upcoming field, concentrating on treating diseases and bridging together the engineering and medical worlds. The majority of innovations within the field have occurred in the past 15–20 years, as of 2022. Bioinstrumentation has revolutionized the medical field, and has made treating patients much easier.
From January 2008 to December 2012, if you bought shares in companies when Bob Marbut joined the board, and sold them when he left, you would have a -51.4 percent return on your investment, compared to a -2.8 percent return from the S&P 500.