Seminar on bacterial and neuronal molecular communication nanonetworks

The seminar “Bacterial and Neuronal Molecular Communication Nanonetworks and Future Perspectives on the Internet of Nano Things” will be presented by Sasitharan Balasubramaniam, Tuesday, March 3, at noon in Barton Hall Room 117. The seminar is hosted by Johns Hopkins University, Whiting School of Engineering, Department of Electrical and Computer Engineering.

Balasubramaniam is visiting from the Nano Communication Centre, Department of Electronic and Communication Engineering, Tampere University of Technology, Tampere, Finland.


Sasitharan Balasubramaniam

Abstract: The field of nanotechnology, evolved over the last few decades, has resulted in the ability of engineering novel tools, materials, and components at the molecular and atomic scale, and it is expected to lead to the development of nanoscale machines, or nanomachines. A number of these devices are bio-inspired nanomachines created through synthetic biology that allows the ability to program, control, reuse, modify, and re-engineer biological cells (e.g., bacteria).

However, a shortcoming of these nanomachines is the limited processing capabilities that allow them to only perform limited tasks. Enabling communication between nanomachines could further strengthen their capabilities and provide opportunities for new applications. The emerging field of molecular communication aims to enable nanomachines to communicate from an infrastructure that is constructed using biological components and systems that are found in nature.

The possibility of constructing bio-compatible communication systems using natural biological cells are at the basis of a plethora of application including, intra-body sensing and actuation as well as targeted drug delivery. However, unlike conventional communication systems that communicate through electromagnetic waves or optical light, this paradigm shift requires new design principles that comply with the properties, behavior, and constraints of biological systems.

The focus of this seminar is on two molecular communication systems, which include bacterial nanonetwork and neuronal nanonetwork. In the bacterial nanonetwork, we start by defining the physical communication model that can be achieved using flagellated bacteria to carry and transfer DNA encoded information between the nanomachines. This is followed by an analysis on the impact their natural motility behavior as well as interactions (e.g., conjugations) can have on the end-to-end delivery performance of the network.

Besides the motility properties of the bacteria, the seminar will also discuss the impact on network performance that result from their social behavior, and in particular through cooperation. This is followed by a discussion on the use of cooperative communication between the bacteria for localization application.

In the second part of the seminar on neuronal networks, multi-objective optimization problem for time-based transmission scheduling is discussed. The optimization solution maximizes the transmission of information by considering the constraints and properties of neurons, including their refractory periods, noise, as well as evolving connectivity.

The applications for each type of molecular communication systems are also briefly discussed, including bacterial nano sensor networks, as well as new opportunities for brain-machine interfaces for bio-hybrid neural interfaces. Lastly, the seminar presents future perspectives of applying molecular communication for the Internet of Nano Things.


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