In the recent years, there has been a tremendous development in the field of nanotechnology. Nanotechnology is a field of applied science, which deals in building machines and bots at microscopic levels. Due to development in nanotechnology, there have been many developments in various fields of science, especially in the field of medicine.

With the help of nanotechnology, carrying out a complex heart surgery is very much possible. Doctors have started making use of nanobots to cure certain diseases. These nanobots also help in rectifying certain disorders in the human body.

Nanotechnology in Drug Development:

Recently, scientists are developing effective and better drug delivery systems using nanotechnology. Scientists are using nanoparticles to design a drug delivery system that may improve the pharmaceutical and therapeutic properties of a drug and help better processes such as Drug screening. Nanaoparticles have remarkable properties that drastically enhance the drug delivery. Due to their microscopic sizes, nanoparticles get an easy access in the cells.

There are numerous developments in the drug delivery owing to nanotechnology. One such development using nanotechnology is the transfer of drugs into the cytoplasm of cells through the cell membrane. This is an important development, because to hinder certain diseases from the body, the drug needs to enter the cell membrane.

Anyone that realizes that nanotechnology news and the headlines related to nano news are ever-changing, also must realize that nanotechnology is a field that is under the process of a rapid evolution. There are many new nanotechnology jobs currently opening up and anyone currently pursuing the study of Nanoscience is assured that there will be plenty of nano jobs in the future. New facilities and scientific teams are being established and assembled all the time, and the more advances that are made in the field of nanotechnology, the more promising the nano jobs outlook will be. Nano news headlines will continue to evolve as the field of nanotechnology evolves and reveals the endless discoveries and inventions being created by nanotech researchers from all over the world.

We need to be clear about the difference between Nanoscience and nanotechnology before we begin to note all of the advances being made in the field. First, Nanoscience is simply the study of nanostructures, while nanotechnology is the implementation and application of such understandings in various industries throughout the world. In the nanotechnology field, new students of Nanoscience will be entering into the industry in search of nano jobs that match their level of skill and educational focus. This shouldn’t be a problem however as the food, medical, space, cosmetic, and electronic industries are turning to the use of nanotechnologies to improve upon industry operations, manufacturing, and processing.

The word Nanotechnology is making it on nanotechnology news headlines nearly every day. More universities are offering coursework and programs specifically for the pursuit of Nanoscience studies; this is to address the future demand for nanotech researchers and this is a positive sign for those seeking nanotechnology jobs, both now and in the future. Students of Nanoscience will primarily focus on the study of nanostructures and how such structures can be manipulated. When moving into the field of nanotechnology and working in various nanotechnology jobs, nano researchers will usually deal with two chief forms of nanotechnology: bottom up and top down nanotechnologies. The latter forms of nanotechnology refer to the directional operation of such workings; Top down nanotech work involves the miniaturization of structures while the bottom down nanotechnology field focuses on the enlargement of various structures.

So why are so many industries opening up new avenues for nano research, nanotechnology jobs, and development? If someone notes the latest nanotechnology news headlines it isn’t too difficult to surmise; many of the advances in nanotech research are proving to benefit industries by helping them save money in production and manufacturing arenas. Cost saving processes of manufacturing are being continuously developed through nanotechnologies, and both industries and consumers are benefiting from the discoveries. New avenues of nanotech research are also paving inroads in the medical industries as innovative health treatments, diagnostic equipments and methods, and better treatments are being discovered as well. Since recent advances have exhibited a positive effect for industries and consumers, there is a push for more advances in the field of nano research.

Developments in nanotechnology are currently exhibiting a certain potential for aiding humanity and changing the world in which we live too. Nano research is being conducted presently that can be used in energy conversation efforts, as well as in filtering water so that people can have access to fresh, clean water in areas of the world where pure water is a true commodity. Thus, nanotechnology news will, undoubtedly, soon be revealing headlines about world wide use of nanotechnology. Those individuals interested in the future developments in the field of nanotech research need to monitor the headlines closely as new nano news emerges. It will allow those seeking nanotechnology information to remain informed, and current as far as an awareness about the latest developments as well as some of the existing controversy that surrounds the emerging discoveries in this exciting field.

National Nanotechnology Initiative

Single units of a nanometer is one billionth of a meter. Nanotechnology in medicine makes use of nanometer sized chips to store and interprets high density quality information. It shows desired utility in accordance with pre-programmed instructions on target tissues. It is increasingly being applied to coax regulation of functional systems at the molecular level. This micro-miniature technology is increasingly finding its way to cure diseases with out the use of surgery. Most of our ailments are the external manifestations of damage caused at the cellular and molecular levels. Rectification to these damages can not be undertaken by conventional surgical instruments too large and crude for the cellular and molecular level manipulation.

Currently when much research is being carried out in cell biology and genetics at its basic precision and accurate level, the call of the hour is devising of a technology that is able to cater to the structure and functions at this level. The nanotechnology is being engineered to intervene as molecular-machines which are sophisticated and well controlled at the unit level. With the use of this technology the micro-molecules injected in the human body will be able to remove obstructions of any kind, function as sub cellular organelles, and kill cancer cells and much more. Nano engineers in Singapore have engineered a polymerized contact lens which is capable of will releasing small amounts of medicine to treat eye related ailments such as glaucoma.

The mechanism that will function behind nanotechnology at cellular level is by way of designing and erecting a programmable self-replicating manufacturing devise capable of identifying defective cells whilst circulating in the circulating system. These devices which are programmable and controllable can detect cancer cells by sensing differential environment between the normal cells and cancer cells and any other unwanted structures. Nanotechnology will be used to supply oxygen to tissues having minimized blood supply due to any of the blood loss reasons. Scientists at MIT have used an artificially synthesized polymer attached to a specific gene coding for the bacterial toxic. The polymer acts like a suicide bomber and attacks the altered cells and gradually destroys it in the process.

Drug delivery to the specific target cells with the help of nano sized particles is more efficient due to its enhanced properties of solubility and absorption when attached to a molecular carrier such as a polymer. The bio-chips making use of nanotechnology will also facilitate the scrutinizing of levels of biochemical in the blood stream and release suitable drug accordingly.

National Nanotechnology Initiative

Introduction

Researching an area related to Nanotechnology can lead to new fields of technology and discovery. Examining the overall subject of Nanotechnology can certainly lead us beyond the original expectations. You can look at Nanotechnology as a whole, compare the results across large areas of research in this field that have involved different people with different backgrounds, various institutes and various organisations, as well as the results of commercial businesses already dealing and working in this field. Many of the results would be unexpected and, consequently, would raise large numbers of questions with various possible answers; in a field many still consider merely a part of scientific research rather than a part of the actual engineering and commercial side.

Consequently, the general view related to Nanotechnology has been borne out here as a result of what has been done and achieved so far worldwide, out of genuine conviction that Nanotechnology is the way forward for a better future for everyone concerned.

The Importance of Nanotechnology

Consider the question: “Why should Nanotechnology work better than any other form of technology?” The answer can be very simple. When we understand the structure of matter, then we can manipulate it and control it “from the inside”, which should give much better results than just dealing with matter “from the outside”.

How can it be concluded that Nanotechnology is the answer, when we still do not either have the means to use it in commercial environments, or have fast, accurate and cheap ways of applying it? Perhaps this is partly a matter of belief. But, at the present time, much work and research across the globe is aimed at just that, i.e. at building the basis of what will be needed (now or later) in order to provide fast, accurate and cheaper ways of employing the principles of Nanotechnology.

The study of the basic principles of Nanotechnology, its future implications and its benefits, made it desirable to put a case forward for substantial undergraduate and postgraduate programmes in this field, as an essential part in speeding up the acceptance of this kind of technology among the general public and, more importantly, to provide a nanotechnologist educated elite for various industries and businesses.

As is very well known, in any technology, no work is complete without the demonstration of the practical applications and the huge benefits which can be provided. Thus, research, development and engineering of various tools related to Nanotechnology are vital in order that a steady commercial progress can take place alongside the present scientific research.

Teaching Nano-science and Nanotechnology

Obviously, for Nanotechnology to establish itself and become an important complete taught subject similar to any other science and technology subjects being taught today, a regular awareness programme should be launched and syllabuses should be compiled.

Nanotechnology teaching is lagging far behind Nanotechnology research. This is due to a number of reasons, but possibly the most significant “among many” is that Nanotechnology looks important mostly to commerce and defence. Large commercial companies do not want to be left behind and, therefore, were among the first to start their own research in this field. Also, Nanotechnology-related research in security and defence plays a large role in countries that have the infrastructure and the money to advance the technology for their own purposes.

Applications

In olden times, “Philosophy” was described as the mother of every science. “Nanotechnology” can now be easily described as the mother of engineering. For the above reason, when it comes to the type and number of applications which may be addressed by Nanotechnology, then the answer is that there is no limit simply because Nanotechnology deals with the inner structure i.e. dealing with atoms and molecules as the starting point for all kind of applications which can be used in our daily lives.

Practical Training and Future Tools

The future of Nanotechnology tools, recent research and development has brought onto the scientific scene the next generation of methods and tools that will allow us to understand and explore the nano-world in a much better way than we are able to do at present. With these new methods and tools, we will be able to gain a better insight into the collective behaviour of molecules and atoms. For example, a combination of STEM and Low Energy Electron Microscopy (LEEM) can enable us to look deeper into aspects of the self-assembly process at a superficial level. Another design related to Nanotechnology tools is the “Interfacial Force Microscope (IFM)”, which has the ability to simultaneously measure lateral and normal forces, regardless whether there is a repulsive or attractive load.

Other important areas of research and development concern Nanotechnology tools (such as robotic arms and nano-tube tweezers) that have as their main purpose the moving of molecules from one location to another. The size of these tools needs to be reduced and computer technologies should be developed further to become an essential part of the above processes and applications.

There is no doubt that Nanotechnology will be the common technology of the “not too distant” future, but only for those who are ready to invest their time, effort and money. This can be done in the form of teaching Nanotechnology, applying it to various industries and businesses and making people familiar with it, especially the young generation.

The USA has done a lot in this field; they have even introduced Nanotechnology as a subject for a number of schools. The hope that the rest of the world will do the same, and may be do even more, will no doubt bring the benefit much earlier for those working in this field and hopefully share it with the rest of the world.

Najib Altawell

Altawell © 2008

Molecular Manufacturing Systems

What is Nanotechnology?

Nanotechnology is the science of constructing components, devices, materials and systems at a nanometer level which means “near-atomic.” The word “nano” is synonymous with one-billionth. So, in nanotechnology, the works and operations happen at the scale of 1/1,000,000,000 (one over one billionth) of a total meter. Such dimension or size is so small and thin. It is about 100,000 times smaller and slimmer than a strand of hair.

An atom, which is the building block of matter, is about this small. For instance, a DNA molecule, life’s blueprint and basic foundation of human genetics, is two nanometers in length. If a material is of this size, it is expected to have unique chemical and physical properties which are caused by several factors such as the significant increase in the surface area of the material as compared to its volume which happens when a particle becomes smaller.

Why is Nanotechnology Important?

Nanotechnology is playing a very important role today and in the future to change and improve every aspect of human activities. Nanotechnology influences a lot of materials used for manufacturing important items. These materials include biomaterials, ceramics, metals and polymers. The new and improved materials formed through nanotechnology are the source of most important technological advances. As of today, nanotechnology is used on following commercial applications:

Sunscreen Lotion – Through zinc oxide particles which have a “nano” size, ultraviolet (UV) rays are absorbed and reflected. As a result, sunscreen lotions appear transparent and are smooth when applied. Before, a sunscreen lotion is white and really sticky. Through, nanotechnology, these lotions are more attractive to customers.

Self-cleaning and scratch proof window – This kind of window is actually coated with a special material that has distinctive chemical properties. Once the sun shines on these self-cleaning windows, the material starts to have a chemical reaction and results to breaking down the dirt on it. Also, if there is rain, no droplets are formed. The rainwater is evenly spread on the window panel and it washes away the dirt that was broken down. The nanoscale controls the thickness of the layer.

Stain-repellent cloth or fabric – This is actually a fabric made of dipped woven rolls of cotton fabric in liquid form that has trillions of nanotechnology fibers. The cotton is dried inside an oven that binds these infinitesimal fibers of the cotton thread. As a result, the fabric becomes resistant to liquid although its physical appearance does not change.

Bouncing tennis ball – These balls are specially coated with a nano-sized material. The molecular barrier of the ball that formed because of these minute particles traps the molecules of air, thus, making the tennis ball bouncier.

Other Remarkable Uses of Nanotechnology:

- Organic Light Emitting Diodes (OLEDs) – for monitor or TV screen displays
- Photovoltaic Film – for conversion of light to electricity
- Hip Joint – formed through biomaterials
- Bucky Tube Frame – this is light but remarkably very strong material
- Nano-particle paint – used to avoid corrosion
- Thermo-chromic glass – regulates light
- Magnetic Layers – used for compressed data memory storage
- Carbon Nanotube – fuel cells used to operate vehicles and electronics

In the future, nanotechnology can change the theories and applications we believe and use. The fields of manufacturing, information technology, electronics and communications have very advance future if nanotechnology is further enhanced.

Nanotech Manufacturer

Nanotechnology is a simple short term solution for implementing alternative, renewable energy systems. It is a cost effective way to implement solar and wind power systems, which generally depend on the weather for energy output. By using chemical techniques inexpensive solutions of nanoparticles can be prepared and applied to materials for use in ultra capacitors. These units will be cost effective and will conduct electricity at a higher rate than is currently possible.

Nanotechnology can be used in battery technology. Nanocomposite materials greatly increase the surface area at which chemical reactions occur in batteries. It enables increases in the battery’s output while reducing it’s size. In the long term nanotechnology could enable power to be harnessed from renewable sources and stored until we use the power at a later time. This is a technology whose time has come as we don’t have a system in place that effectively stores power in this fashion. However there are researchers who are working in this direction and new discoveries are coming almost daily.

It is almost the way every major innovation in our country has occurred. When the internal combustion engine was developed, there were several inventors working toward the same end without any of them having any knowledge of what the other was doing! The same could be said of the steam engine. Credit for a great deal of this information comes from material written by David Walker and Dr. Mark Daugherty of IPC Corporation. This technology is another advent in getting to a place where we free ourselves from costly fossil fuels and embrace renewable energy.

Nanotech Manufacturers