Here we report the first demonstration of a biopolymer protonic field-effect transistor with proton-transparent PdH(x) contacts. In maleic-chitosan nanofibres, the. ARTICLE Received 13 Apr | Accepted 22 Aug | Published 20 Sep DOI: /ncomms A polysaccharide bioprotonic field-effect. Prof. Rolandi is presenting a talk “Complementary Polysaccharide Bioprotonic Field Effect Transistors” at the Symposium UU of Spring MRS!.

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Integration of cell membranes and nanotube transistors. There are no reviews of this fiepd-effect. A small contact barrier neglected in our model may cause charge accumulation or depletion at the maleic—chitosan PdHx interface. Nature— A proton-injecting technique for the measurement of hydration-dependent protonic conductivity.

Conductance of a molecular junction. Documents Flashcards Grammar checker. Mobility was varied to fit the data. Given that this model involves several assumptions and approximate estimates of the maleic—chitosan channel volume, this data is in good, even fortuitous, agreement.

A polysaccharide bioprotonic field-effect transistor ARTICLE Chao Zhong , Yingxin Deng

The authors declare no competing financial interests. People studying for PhDs or in postdoctoral postdoc positions. Bioelectronic silicon nanowire devices using functional membrane proteins. Klas TybrandtKarin LarssonA. To calculate the gate capacitance, we first obtained the interface charge at different gate biases; whereas the two other contacts were kept at zero bias.

This paper has been referenced on Twitter 15 times over the past 90 days. It is important to note transietor both Au and Pd are significantly better electronic conductors than PdHx. You may hide this message.


This minimizes the role of electrons in the electrical response of the device. Observation of molecular orbital gating. Molecular mechanism of vectorial proton translocation by bacteriorhodopsin. Transistors Polysaccharides Silicic Acid. Paris 48, — In maleic—chitosan, we propose that the protons responsible for the current as hydronium ions in the HBC originate from the polysaccharide maleic acid groups, some of which are deprotonated Fig.

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Acta Biomaterialia 6, — Citations Publications citing this paper.

A polysaccharide bioprotonic field-effect transistor. – Semantic Scholar

Toward complementary ionic circuits: Proton conductivity and thermodynamic features in the hydrogen-bonded molecular systems. Reprints and permission information is available online at http: Likes beta This copy of the article hasn’t been liked by anyone yet.

Protons Search for additional papers on this topic. Register and you can start organising your references online. Lab 7 in this note. Current fiwld-effect occurs even for devices thicker than the Debye length.

A polysaccharide bioprotonic field-effect transistor. In maleic-chitosan nanofibres, the flow of protonic current is turned on or off by an electrostatic potential trransistor to a gate electrode.

Synthesis, characterization and cytotoxicity of photocrosslinked maleic dield-effect glycol diacrylate hybrid hydrogels. Additional information Supplementary Information accompanies this paper at http: Export in format suitable for direct import into delicious. In most materials, protons have to overcome activation energy in the range of 0. Ion bipolar junction transistors. We used a 8. A higher level of water absorption creates more proton-conducting hydrogen-bond chains HBC that serve as proton wires2 for Grotthus type transfer to occur Fig.


Nipun MisraJulio A.

Diels-Alder and Melting Point Total 10 points. B 19, — This charge, in turn, may reduce the strength of the electric field at the contacts, thus effectively limiting the current.

At the nanoscale, ionic and protonic conductivity has attracted increasing interest with the advent of resistive ionic memories14, memristors15,16, synaptic transistors17, and nanofluidics18— Device physics of solution-processed organic field-effect transistors. Science— S1which has no maleic groups, is significantly lower than in the maleic—chitosan derivative. Artificial devices that can control and monitor ionic and protonic currents are thus an ideal means for interfacing with biological systems.

The simulations are in good agreement with the experimental data at low Vds, while the nonlinear dependence of Ids on Vds for higher Vds is not reproduced. Always show this tags box this may affect the page loading speed if checked. Plots of current density show that the majority of Ids flows in the same area Supplementary Fig.