Nanorobotics / Nanobots-Seminar report and presentation

Abstract

Nanorobots are nanodevices that will be used for the purpose of maintaining and protecting the human body against pathogens.There is no technology for the treatment of AIDS. Some of the drugs of specific composition are given to the patients depending on the intensity of the disease. The drugs using nowadays are able to increase the lifetime to a few years only. To make the treatment more specific, we use the nanodevices that use nanosensors to sense the AIDS infected WBC’s. In this we are using nanorobots to get back the HIV infected WBC’s. By doing so constant levels of WBC’s are maintained in the blood stream.In India more than 50 lakhs of people are infected by this dreaded disease and it constitutes 10% of the total infected. We are doing research on this paper and we hope that this theoretical approach can be made practical in the near future, so that the killer disease AIDS could also be made in control on the hands of Human with the emerging new technology like NANOTECHONOLOGY which has a Bi o-medical Application.

BIOMEDICAL APPILICATIONS OF NANOROBOTS

The enormous potential in the biomedical capabilities of nanorobots and the imprecision and side effects of medical treatments today make nanorobots very desirable. But today, in this revolutionary era we propose for nanomedical robots, since they will have no difficulty in identifying the target site cells even at the very early stages which cannot be done in the traditional treatment and will ultimately be able to track them down and destroy them wherever they may be growing. By having these Robots, we can refine the treatment of diseases by using biomedical, nanotechnological engineering. The emerging field of nanorobotics is aimed at overcoming the shortcomings present in the traditional way of treatment of patients. Our bodies are filled with intricate, active molecular structures. When those structures are damaged, health suffers. Modern medicine can affect the work of the body in many ways, but from a molecular viewpoint it remains crude. Molecular manufacturing can construct a range of medical instruments and devices with greater abilities. The human body can be seen as a workyard, construction site and battleground form molecular machines. It works remarkably well; using systems so complex that medical science still doesn’t understand many of them.

DESIGN OF NANOROBOTS


The nanorobots that we describe here will be floating freely inside the body exploring and detect the HIV virus. So, while designing such a nanorobot for AIDS treatment, the main factors that are to be considered are given below.


TECHNIQUE USED


We use the bottom-up approach, which involves assembling structures atom-by-atom or molecule-by-molecule which will be useful in manufacturing devices used in medicine.


SIZE

Nanorobots will typically be 0.5 to 3 microns large with 1-100 nm parts. Three microns is the upper limit of any nanorobot because nanorobots of larger size will block capillary flow.


STRUCTURE
The nanorobot’s structure will have two spaces that are

Interior

It will be a closed, vacuum environment into which liquids from the outside cannot normally enter unless it is needed for chemical analysis.

Exterior

It will be subjected to various chemical liquids in our bodies.


CHEMICAL ELEMENTS

Carbon will likely be the principal element comprising the bulk of a medical nanorobot, probably in the form of diamond or diamondoid or fullerene nanocomposites largely because of the tremendous strength and chemical inertness of diamond. Many other light elements such as hydrogen, sulfur, oxygen, nitrogen, fluorine, silicon, etc. may also be used.


ACQUIRING POWER

It could metabolize local glucose and oxygen for energy. Another possibility is externally supplied acoustic power, which is probably most appropriate in a clinical setting. There are literally dozens of useful power sources that are potentially available in the human body.

COMMUNICATON

Having nanorobots inside the body it is very essential to know the actions done by it. There are many different ways to do this. One of the simplest ways to send broadcast-type messages into the body, to be received by nanorobots, is acoustic messaging. A device similar to an ultrasound probe would encode messages on acoustic carrier waves at frequencies between 1-10 MHz.

TRACKING

A navigational network may be installed in the body, with stationkeeping navigational elements providing high positional accuracy to all passing nanorobots that interrogate them, wanting to know their location. Physical positions can be reported continuously using an in vivo communications network.

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