Biology Reference
In-Depth Information
Figure 6.11. TFT switching matrix for amperometric and EIS detection.
Each sensing electrode is connected to a transistor. A potentiostat is
required for current detection.
requirements on the transducers, the electronic circuits, and the
manufacturingprocess.Asystematicanalysisofthoserequirements
is necessary in the development of integrated electronic biosensor
arrays and to identify the suitable technology to use.
The first consideration for a miniaturized biosensor array is the
size and surface topology of the sensor element. The preparation
of biomolecular probes on the surface of each individual sensor
elementinvolvesmanipulatingverysmallvolumesofsample,which
is normally achieved by the use of microspotters. Most advanced
robotic-basedliquiddispensingspottersnowadayshaveresolutions
 
Search WWH ::




Custom Search