figure 1 shows a planar micro electrode array Q2. Figure 1 shows a microscope im
ID: 2292892 • Letter: F
Question
figure 1 shows a planar micro electrode array Q2. Figure 1 shows a microscope image of a planar Micro-Electrode Array (pMEA) 2 0 igure 1 Answerthe following: i) What are the parts labeled 1, 2 and 3? i) Which part or parts are insulated and why? ili) Is this an in vivo or in vitro type of device? Justify your answer. iv) How many amplifiers are required in orderto amplify the signalsfrom this array and why? v) How is it possible to interface (connect)the electrodes in this array to the amplifiers? vi) How is such an array fabricated? Describe the process using a simple but clear diagram.Explanation / Answer
Ans.1) label 1:-wire ,label2:-microorganism, label3:-recording pad(contains electrode).
Ans.2) Area between recording pads are insulated to avoid same reading from each recording pads.
Ans3.) This is in vitro type of device because in vitro refers to the technique of performing a given procedure in a controlled environment outside of a living organism.Since this figure is image of microcope this means that this is performed outside of living organism as in microscope only slides can be placed not a living organism.
Ans4.) This array requires 16 amplifiers as their are 16 recording pads this means 16 signals are recorded in different wire so to amplify these 16 signals we requires 16 amplifier.
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