Nanotechnology News

Double-Walled Carbon Nanotubes Display Singular Qualities

April 16, 2015

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Double-Walled Carbon Nanotubes Have Singular Qualities

In a newly published study, researchers at Rice University demonstrated that two walls are better than one when turning carbon nanotubes into materials like strong, conductive fibers or transistors. Rice materials scientist Enrique Barrera and his colleagues used atomic-level models of double-walled nanotubes to see how they might be tuned for applications that require particular […]

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Gold Nanoparticles Intensify Cancer-Killing Radiation

April 16, 2015

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Gold Enhances Radiation Effect on Cancer Cells

Using gold nanoparticles tethered to acid-seeking compounds called pHLIPs, a team of researchers has demonstrated a more precise method for targeting cancer cells with radiation. Providence, Rhode Island (Brown University) — Researchers from Brown University and the University of Rhode Island have demonstrated a promising new way to increase the effectiveness of radiation in killing […]

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New MIT Sensor Detects Spoiled Meat

April 15, 2015

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New MIT Developed Sensor Detects Spoiled Meat

Chemists at MIT have developed an inexpensive, portable sensor that can detect gases emitted by rotting meat, allowing consumers to determine whether the meat in their grocery store or refrigerator is safe to eat. The sensor, which consists of chemically modified carbon nanotubes, could be deployed in “smart packaging” that would offer much more accurate […]

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BLAST Delivers Large Particles Into Cells at High Speed

April 8, 2015

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New Device Delivers Nanoparticles at the Rate of 100,000 Cells Per Minute

A newly developed device can deliver nanoparticles, enzymes, antibodies, bacteria and other “large-sized” cargo into mammalian cells at speeds up to 100,000 cells per minute. A new device developed by UCLA engineers and doctors eventually help scientists study the development of disease, enable them to capture improved images of the inside of cells and lead […]

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Carbon Nanotube Fibers Provide Two-Way Communication with Neurons

March 25, 2015

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Carbon Nanotube Fibers Make Superior Links to Brain

New research from Rice University reveals that carbon nanotube fibers provide a two-way connection with neurons and show promise for treating patients with neurological disorders. Carbon nanotube fibers invented at Rice University may provide the best way to communicate directly with the brain. The fibers have proven superior to metal electrodes for deep brain stimulation […]

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Researchers Develop a Better Method for Making Perovskite Solar Cells

March 23, 2015

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Faster, Cooler, Thinner, Better Perovskite Solar Cells

Using perovskite, engineers from Brown University have developed a cheap, efficient alternative to silicon-based solar cells. Providence, Rhode Island (Brown University) — Research led by a Brown University Ph.D. student has revealed a new way to make light-absorbing perovskite films for use in solar cells. The new method involves a room-temperature solvent bath to create […]

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New Technique Offers Direct Stimulation of Neurons Without External Connections

March 13, 2015

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New Technique Could Lead to Long-Lasting Localized Stimulation of Brain Tissue

Using external magnetic fields and injected magnetic nanoparticles, a new technique developed by researchers at MIT could lead to long-lasting localized stimulation of brain tissue without external connections. This video shows a calcium ion influx into neurons as a result of magnetothermal excitation with alternating magnetic fields in the presence of magnetic nanoparticles. Neurons on […]

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EPFL Sheds New Light on the Fundamental Mechanisms of Heat Dissipation in Graphene

March 6, 2015

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Researchers Shed New Light on the Fundamental Mechanisms of Heat Dissipation in Graphene

Scientists from École Polytechnique Fédérale de Lausanne shed new light on the fundamental mechanisms of heat dissipation in graphene and other two-dimensional materials. In the race to miniaturize electronic components, researchers are challenged with a major problem: the smaller or the faster your device, the more challenging it is to cool it down. One solution […]

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New Nanodevice Defeats Drug Resistance By Turning Off Drug-Resistance Genes

March 4, 2015

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Nanodevice Defeats Drug Resistance

Researchers from MIT have developed a new nanodevice that can defeat drug resistance by turning off the drug resistant gene and then releasing cancer drugs against the disarmed tumors. Chemotherapy often shrinks tumors at first, but as cancer cells become resistant to drug treatment, tumors can grow back. A new nanodevice developed by MIT researchers […]

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3D Graphene Aerogel Catalyst Shows Promise for Fuel Cells

March 2, 2015

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3D Aerogel Shows Promise for Fuel Cells

New research from Rice University shows that graphene nanoribbons formed into a three-dimensional aerogel and enhanced with boron and nitrogen are excellent catalysts for fuel cells. A team led by materials scientist Pulickel Ajayan and chemist James Tour made metal-free aerogels from graphene nanoribbons and various levels of boron and nitrogen to test their electrochemical […]

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Chemical Engineers Design New Self-Healing Hydrogel for Drug Delivery

February 25, 2015

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New Self-healing Nanogel for Drug Delivery

Chemical engineers from MIT have designed a new type of self-healing hydrogel that consists of a mesh network made of two components: nanoparticles made of polymers entwined within strands of another polymer, such as cellulose. Scientists are interested in using gels to deliver drugs because they can be molded into specific shapes and designed to […]

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Nanoscale Cage Allows Before-and-After Sequencing of DNA Strand

February 13, 2015

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Nanoscale Cage Could Improve Nanopore Technology

Brown University researchers have designed a nanoscale cage that can trap a single DNA strand and allow before-and-after sequencing of the same DNA strand. Providence, Rhode Island (Brown University) — Despite having a diameter tens of thousands of times smaller than a human hair, nanopores could be the next big thing in DNA sequencing. By […]

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Inkjet-Printing System Could Enable Mass-Production of Large-Screen OLED Displays

February 12, 2015

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Inkjet-Printing System Could Enable Mass-Production of OLED Displays

Based on years of Institute research, MIT spinout Kateeva has developed an “inkjet printing” system that could cut manufacturing costs enough to pave the way for mass-producing flexible and large-screen OLED displays. Flexible smartphones and color-saturated television displays were some highlights at this year’s Consumer Electronics Showcase, held in January in Las Vegas. Many of […]

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Nano-Antioxidants Quickly Neutralize Superoxides

February 12, 2015

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Study Shows How Particles Quench Damaging Superoxides

A new Rice-led study reveals how nanoparticles can quickly neutralize superoxides that are overexpressed by the body’s cells in response to an injury. Injectable nanoparticles that could protect an injured person from further damage due to oxidative stress have proven to be astoundingly effective in tests to study their mechanism. Scientists at Rice University, Baylor […]

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New Technique Extends Duration of Quantum States

January 30, 2015

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New Technique Greatly Extends Duration of Fragile Quantum States

Using a qubit design that employs nitrogen atoms embedded in synthetic diamond, a team of researchers has developed a new technique that greatly extends duration of fragile quantum states. Quantum computers are experimental devices that promise exponential speedups on some computational problems. Where a bit in a classical computer can represent either a 0 or […]

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UC Researchers Make Magnetic Graphene

January 26, 2015

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Magnetic Graphene

Physicists from the University of California – Riverside have found a way to induce magnetism in graphene while also preserving graphene’s electronic properties. Riverside, California – Graphene, a one-atom thick sheet of carbon atoms arranged in a hexagonal lattice, has many desirable properties. Magnetism alas is not one of them. Magnetism can be induced in […]

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New Technique Enlarges Tissue Samples, Making Them Easier to Image

January 16, 2015

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New Technique Enables Nanoscale-Resolution Microscopy

By physically enlarging the specimen itself, researchers from MIT have invented a new way to visualize the nanoscale structure of the brain and other tissues. Beginning with the invention of the first microscope in the late 1500s, scientists have been trying to peer into preserved cells and tissues with ever-greater magnification. The latest generation of […]

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