Nanotechnology
Nanotechnology Made Clear
from Earl Boysen, Co-author of Nanotechnology For Dummies
Nanotechnology can be a complicated topic. The Understanding Nanotechnology Website is dedicated to providing clear and concise explanations of nanotechnology applications along with information on companies working in each area.
Check out our latest feature, Cancer Treatment Advances Using Nanotechnology. You can find information on this and other nanotechnology applications through the links to the left, or browse through the topics introduced below.
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Drug filled nanoparticles, coated with proteins that attach to damaged portions of arteries. This could allow delivery of drugs that prevent ... click here to read about this method under development to fight cardiovascular disease.
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Lightweight windmill blades made with an epoxy containing carbon nanotubes. The strength and low weight provided by the use of nanotube filled epoxy allows ... click here to read about Nanotubes and Windmills.
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Iron oxide nanoparticles can used to improve MRI images of cancer tumors. The nanoparticle is coated with a peptide that binds to a cancer tumor, once the nanoparticles are attached to the tumor the magnetic property of ... click here to read about Improving MRI scans with Iron Oxide Nanoparticles.
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Piezoelectric nanoribbons in flexible silicon rubber sheets that can generate electricity when incorporated into a shoe to power devices like cell phones. Also since the silicon rubber is biocompatible researchers believe these nanoribbon containing rubber sheets could be implanted into ... click here to read about Energy Harvesting Rubber Sheets.
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Electric power plants fired by fossil fuels (coal, oil, natural gas) produce about a third of the man-made carbon dioxide released into the air in the United States. Several methods exist or are under development to try to reduce the problem. The challenge seems to be developing a method that can be inexpensively and easily retrofitted into existing power plants. Nanotechnology may be one way to help reduce carbon dioxide in a cost-effective ... click here to read about Carbon Dioxide and Nanotechnology.
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Inexpensive nanotube based sensor that detects bacteria in drinking water. Antibodies sensitive to the particluar bacteria are bound to the nanotubes, which are then deposited onto a paper strip. When the bacteria is present it attaches to the antibodies, changing the spacing between the nanotubes and the ... click here to read about this Nanotube Based Sensor.
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Combining carbon nanotubes, bucky-balls and polymers to produce inexpensive solar cells that can be formed by simply ... click here to read about this Solar Cell Using Nanotubes and Buckyballs.
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Using battery electrodes formed with silicon nanowires can increase the capacity of Li-ion batteries ... click here to read about this Li-ion Battery with Silicon Nanowire Anode.
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A layer of closely spaced palladium nanoparticles that detect hydrogen. When hydrogen is absorbed the palladium nanoparticles ... click here to read about this nanoparticle based hydrogen sensor.
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Injecting a gel containing nanofibers into a damaged joint can stimulate the production of ... click here to read about this method developed to regrow cartilage in damaged joints.
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Gold tipped carbon nanotubes trap oil drops polluting ... click here to read about this nanotechnology based method for cleaning up oil spills.
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Using gold nanoparticles embedded in a porous manganese oxide as a room temperature catalyst, instead of the high temperature catalysts available currently, to breakdown volatile organic compounds in air ... click here to read about this nanoparticle contribution to cleaning up air pollution.
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In order to develop more effective chemotherapeutics and imaging agents, scientists need to improve their aim—switching to a sniper’s rifle to deliver agents more accurately to tumors. Nanoparticles, with the ability to store large payloads within their cores and “targeting” molecules on their surfaces, would seem ideally suited ... click here to read about Targeted Drug Delivery for Chemotherapy.
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Building individual transistors with nanotubes is one thing. Now researchers at Stanford have shown how to assemble circuits with nanotube based transistors, an important step toward make integrated circuits with nanotube transistors ... click here to read about nanotube transistor circuits.
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Magnetic nanoparticles that attach to cancer cells in the blood stream may allow the cancer cells to be removed before ... click here to read about this method under development to fight the spread of cancer tumors.
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A lightweight, low power anti-icing system using carbon nanotubes in a layer coated onto aircraft wing surfaces. The low power consumption and weight can be very useful in ... click here to read more about this nanotube based anti-icing system.
Introduction to Nanotechnology
Nanotechnology is the study and use of structures between 1 nanometer and 100 nanometers in size. To give you an idea of just how small that is, it would take eight hundred 100-nanometer particles placed side by side to equal the width of a human hair.
Scientists have been studying and using particles of this size for centuries, but the effectiveness of their work has been limited because they have not been able to see the structure of nanoparticles until recently. The development in the last few decades of microscopes that are capable of displaying particles as small as atoms has allowed scientists to see what they are working with.
This ability to see their materials makes a huge difference... Click here to read the rest of Introduction to Nanotechnology.
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