Open Access Journal of Chemistry Volume 2, Issue 1, 2018, PP 1-8
Nanotechnology and Nanoscience: A Blueprint for Chemistry Revolution
Eluchie Nene Pear Biotechnology and Energy Research Department, Ministry of Science and Technology, Umuahia, Nigeria. *Corresponding author: Eluchie Nene Pearl, Biotechnology and Energy Research Department, Ministry of Science and Technology, Umuahia, Nigeria.
ABSTRACT Nanotechnology is emerging as one of the principal areas of investigation that is integrating the chemical industry and material science and in some cases those with biology to create new and yet undiscovered properties that can be exploited to gain new market opportunities. It is one of the most important tools in modern chemistry, and is anticipated to become a driving economic force in the near future.The role of chemistry in nanotechnology has been reviewed as well as the benefits to mankind, the tremendous opportunities that it has presented to the chemical industry, that is capable of introducing new products that could energize the world economy, solve major societal problems, revitalize existing industries and create new business. The programme combine core chemistry with Nano chemistry, nanophysics and nanotechnology (and will expand into new applications) in areas as diverse as chemical engineering, chemistry, biochemistry, medicine, microelectronics, communications and aerospace. Nanotechnology is changing the world and the way we live, creating scientific advances and new products that are smaller, faster, stronger, safer and more reliable. It is actually revolutionizing our lives. Keywords: Chemistry, Nana science, Nanotechnology, Devices, Materials and Opportunities
INTRODUCTION at the nanoscale. The relation between nanoscience and technology is like a symbiosis. Chemistry is the branch of science concerned Scientific discoveries lead to new technologies. with the substance of which matter is composed, The technology enables new fundamental the investigation of their properties and reactions insights. Two new technologies which enabled and the use of such reactions to form new the progress of nanoscience are scanning substances. It is also one of the physical science tunneling and scanning force mi- cryoscopy. that helps us describe and explain the world. It They allow to image and manipulate objects on plays a vital role in man‘s understanding of surfaces with sufficient precision even in material phenomena in his capability to act ambient conditions or in liquids. In chemistry, upon, modify, control and invent new expressions this range of sizes has historically been of them. associated with colloids, micelles, polymer Nanoscience is the emerging science of objects molecules, phase-separated regions in block that are intermediate in size between the largest copolymers, and similar structures typically, molecules and the smallest structures that can be very large molecules, or aggregates of many fabricated by current photolithography; that is, molecules. A similar motivation drives scientist the science of objects with smallest dimensions to integrate and miniaturize chemistry and to try ranging from a few nanometers to less than 100 to understand and manipulate smaller and nanometers [1-3]. It is the science of objects smaller amounts of liquids. This is essential with typical sizes of 1-100 nm, is one of the when only small amounts of reactants are most important developments in the last available. It also helps to better control decades. Miniaturization of electronic devices to potentially toxic or explosive reactions. The idea sizes of the elementary units below 1 µm has is to integrate a complete laboratory into a revolutionized our daily live. New technologies silicon waver or a plastic chip. Although this were required to enter the nanoscale because concept has not penetrated our everyday live to many of the traditional techniques do not work the same extent as microelectronics has, the first
Open Access Journal of Chemistry V2● 11 ● 2018 1 Nanotechnology and Nanoscience: A Blueprint for Chemistry Revolution commercial applications are meanwhile available, Nanotechnology presents an opportunity to e.g., enzymatic analysis and DNA-sequencing. develop a revitalized, sustainable chemical and materials manufacturing base. This new emerging The combination of the promise of new science and associated technologies do not have phenomena, new science with an extension of to follow the typical path of many past an extremely important technology is the force innovations in the chemical industry that, that drives Nano science. There is also a less despite providing significant benefits, also rational form of propulsion: Nano science and turned out to have unanticipated costs to human nanotechnology has become a playground for and environment health. The development and futurist‘s people who imagine how the future commercialization of viable green might be and of science fictionists; sometimes nanotechnologies is difficult, and the challenges the two overlap [4-8]. mentioned below will require effort from the Nanotechnology is a discipline that is truly on scientific, research and government the cutting edge of science. It is a new science communities. where chemistry merges into modern aspects of Chemistry is critical to solving today‘s problem. communications, electronics, photonics, Each new day contain issues where chemistry aerospace, transport, pharmaceutical materials, matters such as faster and cheaper drug bioengineering and IT. The beauty of chemistry development, cleaner and more economical fuel lies in the fact that through chemistry career one sources, safer air and drinking water, could become creative in life. Through chemical biotechnology to improve health and food reactions, one can create new drugs, new sources around the world, nanotechnology to materials, new technologies, new theories, new reduce the size and environmental impact of policies, and new businesses or even become an many consumer goods and green industrial inventor of a nanotechnology. processes to prevent pollution. The beauty of Nanotechnology, as an emerging technology, chemistry lies in the fact that though chemical presents an important opportunity for the experiments are conducted in the laboratories scientific and business community. Nanotech is equipped with apparatus (like beakers, flasks, unlike some other sectors of the chemical burettes, pipettes, analytical balances, etc.) all of industry, where significant capital is already which operates on the microscopic scale invested in the form of large plants and perceptible to ordinary human senses, the actual established supply chains in which production chemical transformation occur in the techniques are technologically and culturally microscopic word of Atoms and Molecules (tiny embedded. In fact, the need to develop both objects too small to be detected directly by new Nano products and their equally novel human beings). The equipment in the production techniques presents an important laboratories are thus the bridge between these opportunity for innovators. In this case, there is worlds of macroscopic and the microscopic, an unusual opportunity to use science, giving the chemist not only the means to engineering and policy knowledge to design influence the actions of the atoms and molecules novel products that are benign as possible to but also the means to measure their responses to human and environment health. changes in their environment. Before the advent Recognition of this opportunity has led to the of nanotechnology, we think of construction of development of the ―green nanoscience‖ Concept machines and devices as being associated with the usage of component, for the product  . Green nanotechnology has drawn on the field of green chemistry, and the framework assembly, that are cut out from a larger block of of the 12 Principles of Green Chemistry  material by a range of often sophisticated features significantly in work to design new engineering methods rather than with a process that can be carried out atom by atom. However, nanotechnologies for joint economic, social, and health/environmental benefit . These efforts with nanotechnology, for example, those on a have been aided by awareness throughout the computer chip are nowadays so small that we could indeed envisage building them up from nanotech community that they need to address the potential negative impacts of nanotechnology individual atom or molecules. This is also from the outset . Awareness is still limited evident in the increased durability of material in many sectors, and nanoscience more broadly, against mechanical stress or weathering, helping to increase the useful life of a product; still faces significant challenges in transitioning from concept to reality. nanotechnology based dirt-and water resistance coatings to reduce cleaning efforts; novel
2 Open Access Journal of Chemistry V2● 11 ● 2018 Nanotechnology and Nanoscience: A Blueprint for Chemistry Revolution insulation materials to improve the energy Impact of Chemistry in Nanotechnology efficiency of buildings; adding nano particles to Chemistry is dealing with atoms and molecules, reduce weight and save energy during transport. In the chemical industry sector, nano material‘s with great attention laid on their arrangement. are applied based on their special catalytic Therefore it seems to be the paradigm of the properties in order to boost energy and resource vision of Nanotechnology: To build up new efficiency and nano material‘s can replace structures, atom by atom. environmentally problematic chemicals in the fields of application. Hence, nanotechnology brings a transition from classical engineering concepts to chemical assembly. Nano technology is therefore a linking field between chemistry and engineering. CHEMISTRY AND TECHNOLOGY It can be recalled that chemistry is the branch of science that deals with the study of composition, structure and properties of matter (comprises of all things that have weight and occupy space) together with the associated changes (chemical and /or physical) and such changes impact on the welfare of man and society. Chemistry can Figure1. Arrangement of atoms to form water thus be considered as the study of everything, as For example, Due to new developments of there is nothing on earth that is not matter and analytic tools and process technology, it is now hence chemistry. The fact that chemistry is the possible to construct planar surfaces with the central science and science is the foundation on accuracy of atomic layers. Other examples are which technology is built, buttresses the central coatings with a thickness of a few atoms, which position of chemistry in technology (i.e. all are composed of different elements, or ceramics forms of technology) including nanotechnology. and other compound materials with crystallites Chemistry is also an art, by its very essence, its in the nm range and the re-arrangement of atoms ability to create. Chemistry actually fashions in dirt, water and air can give potatoes . out, new worlds that do not exist. The term Nanotechnology encompasses a wide Technology is the study, development and range of tools, techniques and potential application of devices, machines and techniques applications. Most of them are concepts and for the development and application of devices, ideas rather than real technologies. It is the machines and techniques for manufacturing and technology that allows man to: productive processes . Technology develops and applies devices/ techniques for the Get essentially all the right atoms and molecules manufacture of materials /substances which in the right place, Make almost any structure chemistry has shown to be feasible. Chemistry consistent with the laws of chemistry and provides route for tailoring the properties of physics that can be specified in molecular detail, existing substances to meet some particular need Manufacturing cost not exceeding the cost of or application and for creating entirely new required materials and energy. materials designed from the beginning to have The history of technology suggests, however, desired particular properties. By such that where there is smoke, there will eventually accomplishment, chemistry has made dramatic be fire; that is, where there is enough new contribution to a whole a lot of human living in science, important new technologies will various areas like; Agricultural production, eventually emerge. In nanotechnology, two controlling the spread of diseases, increasing the approaches are widely employed ‗‘bottom up efficiency of energy production, reducing where devices and materials are built from environmental pollution. The innovative molecular components which assembly properties of chemistry have led to cutting edge themselves chemically by principle of chemical advancements in applied technologies, in recognition and ‗‘bottom down approach where Medical devices, aerospace, Computing, Cars, Nano objects are constructed from larger entities Fuels and more. The business of chemistry without atomic level control. Nanotechnology excels at continuously bringing new imaginative employs the fact that a number of physical and innovative ideas to market. Open Access Journal of Chemistry V2● 11 ● 2018 3 Nanotechnology and Nanoscience: A Blueprint for Chemistry Revolution phenomenon‘s of systems become pronounced nanostructures that are currently inaccessible by as the size of the system decreases. the ―bottom down‖ approach. Thus far the development of the ―bottom up‖ methods to Traditional chemistry is based on covalent create nanostructures has been inspired atomic bonds. primarily by Nature, which displays a wide variety of complex nanostructures with astonishing precision [16-17]. These Nano scale structures in biological systems are specifically put together from two or more small molecular components by means of secondary interactions. The precision and specificity are indicative of control and directionality displayed by secondary interactions between complementary components in biological systems. In addition, the ―bottom up‖ approach benefits from having thermodynamic minima in its resulting Figure2. Example of covalent bond nanostructures due to the reversible nature of secondary interactions. Obviously, the challenge At the same time, the synthesis of complex is to synthetically create nanostructures with Nano systems and molecular devices that are such precision and specificity as seen in used in nanotechnology require more than just biological systems by cleverly incorporating the covalent chemistry feature because such complementary recognition sites in the molecular system may contain several thousands of atoms. components for secondary interactions. This This is where intermolecular interactions play challenge is only met by first understanding how vital role. The can help to combine individual molecular self-assembly in biological systems molecules into complex assemblies called supra operates to generate well-defined aggregates and molecular structures. then transferring the knowledge learned from The emergence of supra molecular chemistry biological systems to chemical synthesis has had a profound effect on how efficiently chemistry. chemists prepare structures of different sizes Molecular chemistry establishes its power over and shapes with dimension in the range of 1 to the covalent bond while beyond molecular 100 nm using spontaneous secondary chemistry lies the field of supra molecular interactions such as hydrogen bonding, dipole- control over the intermolecular bond. Supra dipole, charge transfer, Vander Waals, and π−π molecular chemistry is an interdisciplinary field stacking interactions [8-13]. The said methods that deals with interaction between molecules, would utilize the concept of molecular self- how they can recognize each other, assemble assembly and/or supra molecular chemistry to and function on a molecular scale. It provides a automatically arrange atoms and molecules into bottom up approach Nano scale system with useful conformation through a bottom up applications covering chemical, physical, approach which seek to arrange smaller material and biological features. Supra components into more complex assemblies. molecular chemistry methods are widely used in Also, in synthetic chemistry, self-assembly has chemical analysis, medicine, catalysis, and made recent advances in the area of supra photochemistry. Supra molecular structures molecular chemistry which are divided in three form the basis for a great number of biologically main fields (organic chemistry, inorganic active substances, the creation of photo and chemistry, and polymer chemistry). chemo sensors, molecular electronic devices, the This ―bottom up‖ approach that has been used to development of Nano catalyst, the system of construct nanostructures is advantageous over materials for nonlinear optics and the simulation the ―bottom down‖ approach such as complex biological complexes (Biomimetic). microlithography which requires substantial OPPORTUNITIES AND CHALLENGES OF effort to fabricate microstructures and devices as NANOTECHNOLOGY the target structures are extended to the range below 100 nm. Nanotechnology presents an opportunity to develop a new technology, and a new industry Therefore, there is an increasing realization that in a sustainable way from the outset. We are at the ―bottom up‖ approach would open a route to a unique point where we have more
4 Open Access Journal of Chemistry V2● 11 ● 2018 Nanotechnology and Nanoscience: A Blueprint for Chemistry Revolution understanding of how to go about this than at to physiology and from molecular medicine any time in the past. This new emerging science to epidemiology [19-20]. and associated technologies do not have to Commercial Opportunities for Chemist follow the path that has been typical of many past innovations in the chemical industry that, Nanotechnology also offers the chemical despite providing significant benefits, also industry at least six interesting opportunities: turned out to have significant, unanticipated Tools for Research: The first of these costs to human health and the environment. opportunities and one already well- Scientific Opportunities for Chemist established is to produce new tools and equipment for research (and increasingly for The opportunities for chemistry to make development and manufacturing). important contributions to Nanoscience abound. ―Instruments for Nano science‖ is a growing Such opportunities include: commercial area Synthesis of Nanostructures: Chemistry is New Materials: Materials will be a unique in the sophistication of its ability to commercially important class of synthesize new forms of matter. The nanostructures. Examples include structural invention of new kinds of nanostructures and electrically/ magnetically/optically will be crucial to the discovery of new functional polymers, particles, and phenomena. In Nano science, chemistry can composites for a range of applications, from be on the streets at the beginning of the spray-painted automobile bumpers and revolution. Nano scale bar-coded rods  to the Materials: Materials science and chemistry printed organic electronics of electronic are, over much of their shared border, news- papers and smart shipping labels  indistinguishable. Chemistry has contributed In these applications, chemistry and (and will continue to contribute) to the chemical-process technology will probably invention and development of materials be key to commercial realization of the whose properties depend on Nano scale value of the technology structure. Chemistry and chemical New Processes for Fabrication: engineering will, ultimately, be important in Nanomaterial‘s can only be commercialized producing these materials reproducibly, if they can be produced. The importance of economically, and in quantity; vapor/liquid/ solid catalytic growth of buck Molecular Mechanisms in Nano biology: A tubes over nanoparticles of iron to the comprehensive understanding Of the development of ―Nanotubes‖ illustrates this molecular mechanisms of functional point . The development of new nanostructures in biology, the light processes to make new materials is an harvesting apparatus of plants, ATPase‘s, activity in which the chemical industry has the ribosome, the structures that package always excelled DNA ultimately, and the cell is an area Nano electronics: The development of new where chemistry, with its singular photo resists and processes with which to understanding of molecular mechanism, can fabricate structures with the sub-50-nm make unique contributions. dimensions required by Nano electronics Tools and Analytical Methods: The will present immediate opportunities for scanning probe microscope invented by materials science and chemistry [24-25] Binnig and Rohrer at the IBM laboratory in Nano- particle Technology: Specialized Zurich is the instrument that ignited the kinds of nano particles will become explosion of Nano science [18-19]. important in a wide range of applications— Developing new nanostructures requires from hydrophobic drugs generated and knowing what they are. Physical and formulated in Nano particulate form to analytical chemistry will help to build the improve bioavailability, to electrodes and tools that define these structures lumiphores for new kinds of graphic Risk Assessment and Evaluation of Safety: displays Understanding the risks of nanostructures The Revolutionary Unknown: A final class and nanomaterial‘s will require cooperation and the one that is the most exciting across disciplines that range from chemistry comprises the revolutionary ideas, for
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example, Nano-CDs (read by an array of grow tissue and organs in the laboratory and parallel atomic force micro- scope tips allow surgeons to safely implant them when the known as the ―centipede‖) [26-27] quantum body is unable to heal itself. Also, it has been computers, and biocompatible nanoparticles employed in the rapid and precise development able to reach, recognize, and report pre and manufacturing of medicine and vaccine‘s. symptomatic disease. High-performance The leading edge technology is now offering the functional nano material is an opportunity potential to rapidly produce therapeutics, and for the chemical industry. They will, vaccines against any virtual target. however, pose a dilemma, in that, at least initially, and perhaps perpetually, the CONCLUSION volumes required will be low. Nanotechnology is the precise biochemical Nanotechnology will confront the chemical manipulation of matter on an atomic molecular industry in a world that no longer needs and super molecular scale to shape macro scale new, billion-dollar chemical plants, and in properties and characteristics of materials and which agility is absolutely required to processes. This manipulation can be achieved succeed in seizing technical opportunity— using chemical, biological and even mechanical with the choice of trying to manage approaches. Today, many commercial products businesses that make small amounts of already contain Nano materials and are boutique materials, or trying to move manufactured using nanotechnology. downstream in principle into competition with traditional customers to capture some Nanotechnology presents a tremendous of the value of the systems of which the opportunity for the chemical industry to materials become a part . introduce a host of new products that could energize the world economy, solve major Challenges societal problems, revitalize existing industries The major challenge of nanotechnology is and create entirely new businesses. It is a well- centered on developing useful product for established multi-disciplinary research area that markets, advancing the underlying science and engages many chemists. It has exciting potential instituting a nanoscience development and and offers chemist opportunities to really move development paradigm. Secondly, the challenge chemistry career to its peak. of developing Analytical material to obtain a reliable nanomaterial characterization, tools to According to Naomi Halas (professor of detect, monitor and track NMS in environment Chemistry and Electrical and mechanical and biological media. Engineer at Rice University, America), the key to finding a place in nanotechnology is actually Nanotechnology, Securing a Promised Future: a solid foundation in chemistry, with education Nanotechnology is the new science where and training in material science, Engineering, chemistry merges into modern aspects of Physics and Biochemistry. With a strong communication, electronics, photonics, aerospace, foundation in chemistry and its exposure to its pharmaceutical materials, bioengineering and IT connections with other fields will equip one to to impact on almost all industries and all areas go into nanotechnology. There is a pathway of the society. In the world of material science, forward, and concrete actions that could investigators in the world of nanotechnology, construct a solid foundation for an economically the quantum related and other unique profitable and environmentally sustainable opportunities of molecular assemblages built on future for nanotechnology. the nanometer scale to make ever smaller and Chemist is and has always been the ultimate more powerful electronic devices, new chemical catalyst and other innovative materials. nanotechnology. Chemist make new forms of Nanotechnology holds great potential for matter and are the only scientist to do so improving the life of mankind. routinely by joining atoms or groups of atoms together with bonds.‘‘ While nanotechnology is predicted to be of great importance for the development of new ACKNOWLEDGEMENTS materials and devices for all areas of human I acknowledge the contribution of Professor activity, the current advances are currently being Nabuk in editing and reviewing this paper. And made in medicine and electronics. It is used in special thanks to my colleagues for their support regenerative medicine to create new organs to and suggestions.
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