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| 001 | 809749 | ||
| 005 | 20240619091207.0 | ||
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| 037 | _ | _ | |a FZJ-2016-02676 |
| 041 | _ | _ | |a English |
| 100 | 1 | _ | |a Kireev, Dmitry |0 P:(DE-Juel1)159559 |b 0 |
| 111 | 2 | _ | |a Graphene Week 2014 |c Gothenburg |d 2014-06-23 - 2014-06-27 |w Sweden |
| 245 | _ | _ | |a Large array of GFETs for extracellular communication with neuronal cells |
| 260 | _ | _ | |c 2014 |
| 336 | 7 | _ | |a Conference Paper |0 33 |2 EndNote |
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| 520 | _ | _ | |a Graphene has already shown its high ability for biosensing. Solution-gated graphene field effect transistors, which showed very high sensitivity in electrolytes [1], have another biologically important application: recording neuronal activity. Such devices exhibit very high signal-to-noise ratio for extracellular measurements [2]. The aim of this work is to optimize and scale both fabrication procedure and measurement system. When working with biological samples, there is a need in a large number of devices. High density of the devices is also preferable. Therefore we fabricate the devices on 4’’ wafer, resulting in 50 chips, 11*11mm each. Each chip consequently embodies an array of 32 graphene FETs (see fig.1). The active area of the chip is around 2 mm2 while each GFET’s channel differs between 5 and 20 um with altered configurations. Such devices, when used with the already developed multichannel measurements system make possible simultaneous measurement and stimulation of all 32 transistors in a time-scale. This makes possible to measure not just discrete spikes, but even propagation of the action potential through the neuronal network. |
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| 700 | 1 | _ | |a Schnitker, Jan |0 P:(DE-Juel1)140152 |b 1 |
| 700 | 1 | _ | |a Seyock, Silke |0 P:(DE-Juel1)161234 |b 2 |
| 700 | 1 | _ | |a Maybeck, Vanessa |0 P:(DE-Juel1)128705 |b 3 |
| 700 | 1 | _ | |a Wolfrum, Bernhard |0 P:(DE-Juel1)128745 |b 4 |
| 700 | 1 | _ | |a Offenhäusser, Andreas |0 P:(DE-Juel1)128713 |b 5 |e Corresponding author |
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