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This book deals with the application of giant magneto-resistance (GMR) effects to electronic devices. It will appeal to engineers and graduate students in the fields of electronic devices and materials. The main subjects are magnetic sensors with high resolution and magnetic read heads with high sensitivity, required for hard-disk drives with recording densities of several gigabytes. Another important subject is novel magnetic random-access memories (MRAM) with non-volatile non-destructive and radiation-resistant characteristics. Other topics include future GMR devices based on bipolar spin transistors, spin field-effect transistors (FETs) and double-tunnel junctions.

BUY FROM AMAZON–>> Giant Magneto-Resistance Devices

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This book describes the basic facts, concepts and ideas of polymer physics in simple, yet scientifically accurate, terms. In both scientific and historic contexts, the book shows how the subject of polymers is fascinating, as it is behind most of the wonders of living cell machinery as well as most of the new developments in materials. No mathematics is used in the book beyond modest high school algebra, yet very sophisticated concepts are introduced and explained, ranging from scaling and reptations to protein folding and evolution. This new edition includes an extended section on polymer preparation methods, discusses knots formed by molecular filaments, and presents new and updated materials on polymer properties of proteins and their roles in biological evolution.

BUY FROM AMAZON–>> Giant Molecules: Here, There, and Everywhere,

Finnish handset giant Nokia introduced a concept device they dubbed “The Morph.” The Morph, still very much a concept device with no intended plans to manufacture or release, takes mobile smartphone devices miles beyond what is currently available on the market today. The Morph would take advantage of nanotechnology to incorporate a wide variety of uses into one device; from the standard features of voice, and data to the more whimsical features of being able to analyze the air quality and possible contaminants on the food you are about to eat. The Morph would not just be a unique device capable of a large variety of functions; it would also serve as a unique and stylish accessory. The Morph’s design would make it capable of being physically manipulated to change its form factor. It could be stretched out into a device with a full sized QWERTY keyboard, making it easier to communicate. It could be folded up into the size of a credit card for easy storage; and it could even be folded to be worn on your wrist as a watch. As already mentioned, this device is very much a concept phone. Nokia, currently, has no plans in the works to develop this concept into a viable marketable device. However, several of the features discussed in the concept will be slowly incorporated into devices that will be developed over the next few years.

Other handset developers, like NEC and BenQ have released information about their own pliable concept phones; their concepts do not incorporate all of the same technology the Nokia Morph has, but they’re still very interesting designs.

With the release of the Apple iPhone several other handset developers have followed with their own touch screen smart phones capable of providing users with the same features and technology they’d expect from the popular iPhone. With upcoming handset releases users can expect to see more touch screen technology integrated along with the continued ability to use mobile phones for more than just phone calls. As more functionality is incorporated into the devices, users can expect to see dramatic changes in the designs of the phones; larger screens, fold out keyboards, and a move towards handsets without buttons.

As consumers feel the urge to “Go Green”, mobile phone developers are going to take this into account and start changing the way they build their handsets. The elimination of toxic components is the first start towards going green with the inclusion of more recycled components into the handsets. The plastic casing of mobile phones can be made, in large part, from recycled and renewable materials. Developers are also going to start to make the move towards increasing the battery life of phones while developing phones that use less energy to gain a full charge. Nokia has already built into their phones an alert that will let users know when their phone is fully charged, urging them to disconnect their phones.

There are so many directions the mobile phone industry can take us in it is hard to pinpoint exactly where the technology is going to take us. However, what is certain is that the future of mobile phone technology is a bright one full of possibilities as innovative handset makers and wireless carriers take steps to not only make our lives easier with better communication devices, but take the steps needed to ensure the technologies keep up with our demands.

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Macromolecules are, in a sense, life itself. DNA is one of these giant molecules, as are the proteins that govern the workings of the human body. Yet macromolecules also comprise some of the most artificial constructs, including plastics, polymers, and nanodevices limited only by the scientific imagination. In this splendid book, Walter Gratzer explores the history, structure, and properties of the many-varied macromolecules. Despite their centrality to life, they were long believed to be impossible. Gratzer tells the story of their discovery, explaining the chemistry behind these extraordinary structures in easily accessible terms. He describes how scientists have learned to manipulate them, from designer proteins to thermoplastics, from cosmetics to smart polymers. Now this remarkable field is a meeting ground of the natural and artificial, as seen in biomimetics, gene-splicing, and plans for DNA-based computers. With up-to-the-minute expertise and clear, lively language, Gratzer takes readers to the cutting edge of applied science, where imminent developments promise to revolutionize our lives.

BUY FROM AMAZON–>> Giant Molecules: From Nylon to Nanotubes

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The microfabrication and testing of a Giant Magnetoresistance based microfluidic sensor for biomedical applications is presented in this work. Different processes involved during the fabrication of the GMR sensor such as electrodeposition, photolithography, etching, PDMS replication and glass bonding are clearly demonstrated in this book. The GMR based microfluidic sensor is able to detect the flow of ferrofluid, polystyrene superparamagnetic particles, dynabeads sheep anti-rabbit IgG and alexa fluor donkey anti-sheep bound to dynabeads sheep anti-rabbit IgG. The GMR device is able to produce varied output signals based on the flow rates and concentrations of different magnetic fluids pumped through its microchannel. Different output responses are observed with fluctuating input voltages of the GMR device. The GMR based microfluidic sensor is fabricated to be utilised in various biomedical applications and the obtained results are analyzed in this book.

BUY FROM AMAZON–>> NANOWIRE BASED GMR MICROFLUIDIC BIOSENSOR- FABRICATION AND TESTING: DETECTION OF MICRO AND NANO BIOMAGNETIC PARTICLES BY GMR MICROFLUIDIC SENSOR FOR BIOMEDICAL APPLICATIONS