By Kate Bandoo, Publishing Assistant.
ECS is a learned society representing individuals in academia, government labs, related industries, and beyond. To encourage research, discussion, critical assessment, and dissemination of knowledge in these fields, the Society holds two meetings, each with attendance of over 1, individuals, each year, publishes scientific papers, fosters Cover letter postdoctoral position organic chemistry and education of scientists and engineers, and cooperates with other organizations to promote science and technology in the public interest.
The ideal candidate will have deep experience with personnel and budget management, a track record of fundraising success, financial savvy, familiarity with the scholarly publication process, meeting management expertise, and strong communication skills.
For best consideration, please send all nominations and applications to: ECS is an equal opportunity employer. ECS welcomes all qualified applicants regardless of gender, race, national origin, religion, sexual orientation, disability, age, or any other protected class.
May 31st Project title: So far, EGOFETs have been successfully used for the detection of different target molecules, such as DNA, streptavidin, neurotransmitters dopaminecytokines and chiral organic compounds. At the moment, EGOFETs are usually realised on rigid substrates, making an extensive use of clean-room fabrication technologies.
Not only do these factors limit the devices portability but they also considerably increase the cost per device. In this project, we address the problems of costs and portability by combining the inkjet-printing IP fabrication technique with the utilisation of plastic, flexible substrates, in order to fabricate EGOFETs-based biosensors.
IP has effectively demonstrated its capability of reducing fabrication costs, because it is a non-contact, material efficient and reproducible technique that allows devices fabrication at ambient conditions.
Substrate flexibility is another important aspect which will be taken into account in this project. It is a crucial requirement if one aims at developing large-scale production using printing techniques, but it also enables the application of printed devices whenever the conformal coating of a surface is needed.
Moreover, flexible substrates are much cheaper still another factor contributing to costs reduction and easier to transport and to store than glass and silicon.
The originality of this project therefore resides in the fact that an example of fully inkjet-printed EGOFET-based sensor on plastic, flexible substrates has never been presented before. This approach will allow therefore the fabrication of low-power, low-cost, portable sensing platforms, a real step forward in the field of sensoristics.
To achieve this goal, the first step will consist in the formulation of printable, organic semiconducting inks, starting either from commercially available polymers or from home-made semiconducting molecules.
Their rheological properties will be tuned in order to make such inks compatible with the IP deposition process. The all-inkjet-printed devices will be electrically characterised and their stability upon mechanical bending will be also evaluated.
The experimental work will be carried out at the ITODYS laboratory in the "Surfaces, Nanostructuration and Reactivity" department, whose activities concern the development of new methods for surface functionalisation, the control of the organisation of grafted or adsorbed structures on these surfaces and the development of systems making use of this functionalisation or structuring.
Pirowhich will host the post-doctoral researcher, develops and characterises biosensors based on organic electronic devices in which the active element is capable of providing a macroscopic response to a molecular recognition event.
Applicants should have a PhD degree in a relevant physics, chemistry or materials science discipline. Appropriate background should include experience in organic electronics, in particular in the field of organic transistors.
Experience with inkjet-printing would be much appreciated but is not strictly necessary. Applications including a full CV, at least two letters of recommendation and a publication list should be sent electronically.
June 15th Project title: Electrolyte-Gated Organic Field-Effect Transistors EGOFETs are ideal candidates for the development of bio chemical sensors working in liquid media, thanks to the extremely low biasing voltages and also the intrinsic presence of an electrolyte inside their structure.
The application of such methods to a set of identical EGOFETs may produce standard deviations comparable to, if not higher than, their respective mean values. This phenomenon becomes particularly important if one considers the fact that threshold voltage variations are usually considered in order to characterise EGOFETs-based sensors: To overcome this issue, this project proposes the employment of the finite elements method.
In a first step, a model able to describe the electric field between the source and drain electrodes as a function of the applied voltages and electrodes geometry will be developed.
In a second phase, an organic semiconductor module able to describe the charge accumulation and transport phenomena typically occurring inside the semiconducting layer of an EGOFET will be created. Finally, the three aforementioned models will be combined in order to obtain a comprehensive analytical tool capable of accurately describing the EGOFETs electrical characteristics, i.
Such equations will be used to accurately extract the transistors most important figures of merit in particular, the threshold voltage Vth. Such a comparison will allow, on one hand, the evaluation of the model quality and, on the other, the improvement of the devices fabrication steps.
A solid knowledge of finite elements modelling is required.Advanced options. Topic Area. Description: A faculty position is available in medical image analysis for pancreatic cancer.
The successful candidate will be involved in developing new algorithms (computer vision, machine learning, and medical image processing & analysis related) using high-performance. About Karen Kelsky I am a former tenured professor at two institutions--University of Oregon and University of Illinois at Urbana Champaign.
I have trained numerous Ph.D. students, now gainfully employed in academia, and handled a number of successful tenure cases as Department Head.
Frequently Asked Questions and Answers about Request For Evidences (RFE) for EB-1A, EB-1B, and NIW Applications.
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