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nanotube in Medical News

New nanotube sensor can continuously monitor minute amounts of insulin

A new method that uses nanotechnology to rapidly measure minute amounts of insulin is a major step toward developing the ability to assess the health of the bodys insulin-producing cells in real time. Among other potential applications, this method could be used to improve the efficacy of a new...

New nanotube findings by Stanford researchers give boost to potential biomedical applications

Carbon nanotubes-cylinders so tiny that it takes 50,000 lying side by side to equal the width of a human hair-are packed with the potential to be highly accurate vehicles for administering medicines and other therapeutic agents to patients. But a dearth of data about what happens to the tubes afte...

Major EU Funded Nanotube Research Group, DESYGN-IT, Publish in AZoJono - The Open Access Online Nanotech Journal

SYDNEY, Australia, Nov. 20 /PRNewswire/ -- Open access online journal, AZoJono* (The AZo Journal of Nanotechnology Online) has released a special nanotubes research edition in conjunction with DESYGN-IT*, an EU funded collaborative research project that has been investigating the design, synth...

Absorption Of Carbon Nanotube Measured In Worms Revolutionize Cancer Research

Researchers from the University of Michigan have discovered how to measure the absorption of multi-walled carbon nanoparticles into worms and cancer cells. // Carbon nanotubes were discovered in 1991, and have a great value in several areas, including pharmacology and for hydrogen storage in fuel c...

UC San Diego engineers develop novel method for accelerated bone growth

...PNAS ), "Stem Cell Fate Dictated Solely by Altered nanotube Dimension." "If you break your knee or leg fro...h advantages can occur by using the titanium oxide nanotube treated implants, which can reduce the loosening o...s kind using stem cells attached to titanium oxide nanotube implants. Jin and his research team which include...

5 Brown faculty elected to world's largest scientific body

...ic optics, semiconductor lasers, molecular electro-optics, and collective behaviors of large coupled systems. Xu's ongoing research includes carbon nanotube structures, physics, and applications; silicon lasers and sub-wavelength photonics; synthesis and non-lithographic fabrication and sciences of quantum...

Nanoparticles aid bone growth

...e samples were examined four weeks after implantation and half after 12 weeks. While there was no notable difference in performance at four weeks, the nanotube composites exhibited up to threefold greater bone ingrowth after 12 weeks than the PPF. Furthermore, the researchers found the 12-week composite scaff...

Brown researchers work toward ending cartilage loss

...neration and implants that was published last year in Nanotechnology. The principles are the same: Bone cells are more apt to adhere to a rough carbon nanotube surface than other surfaces and to colonize that surface. And tests by scientists in Japan and elsewhere have shown that electrical pulses stimulate b...

Carbon nanotubes that look like asbestos, behave like asbestos

...e layer of graphite or they may consist of multiple concentric layers of graphite, resulting in multi-walled carbon nanotubes. While the diameter of a nanotube can vary from a few nanometers up to tens of nanometers, they can be hundreds or even thousands of nanometers long. Carbon nanotubes come in many form...

Carbon Nanotubes That Look Like Asbestos, Behave Like Asbestos

...e layer of graphite or they may consist of multiple concentric layers of graphite, resulting in multi-walled carbon nanotubes. While the diameter of a nanotube can vary from a few nanometers up to tens of nanometers, they can be hundreds or even thousands of nanometers long. Carbon nanotubes come in many form...
nanotube in Biological News

Studying component parts of living cells with carbon nanotube cellular probes

Carbon nanotubes (CNTs) have shown great potential for use as cellular probes. As nanopipes they can be used to transport liquids to or from cells and inject solutions or drugs directly into individual cells and individual organelles within the cells. In addition, because of the small diameters o...

Carbon nanotube absorption measured in worms, cancer cells

University of Michigan researchers have discovered how to measure the absorption of multi-walled carbon nanoparticles into worms and cancer cells, a breakthrough that will revolutionize scientists' understanding of how the particles impact the living environment. A team led by U-M chemical engin...

A quicker, cheaper SARS virus detector -- one easily customizable for other targets

...measurable jump in current through the nanowire. The basic principle of nanotube and nanowire biosensors for protein detection was first demonstrated in 200...e antibody surface." The Zhou lab, which has specialized in nanowire and nanotube technology for years, performed the complex set of procedures to synthesize...

Nanoneedle is small in size, but huge in applications

...mechanics and physical properties inside cells. To create a nanoneedle, the researchers begin with a rigid but resilient boron-nitride nanotube. The nanotube is then attached to one end of a glass pipette for easy handling, and coated with a thin layer of gold. Molecular cargo is then attached to the gold s...

6 young ASU faculty earn NSF Career awards

...anoengineering to be more broadly applied in practical pursuits. Jiang's work focuses on carbon nanotubes macroscopic assembly specifically carbon nanotube macro-films. His NSF Career award will provide about $400,000. These macroscale structures with nanoscale details are proving highly effective in a...

UConn chemists find secret to increasing luminescence efficiency of carbon nanotubes

...lying nanotube. It is that active cleaning of the nanotube surface that allows the nanotube to achieve luminescence efficiency to as high as 2... QuickTime animation of how a single-walled carbon nanotube is wrapped with the synthetic flavin derivative to...

Nanotube's 'tapestry' controls its growth

... HOUSTON -- (Feb. 5, 2009) -- Rice University materials scientists have put a new "twist" on carbon nanotube growth. The researchers found the highly touted nanomaterials grow like tiny molecular tapestries, woven from twisting, single-atom threads. Carbon...

The gold standard: Biodesign Institute researchers use nanoparticles to make 3-D DNA nanotubes

... VIDEO: In this DNA nanotube configuration, again using 5-nm size gold nanoparticles, the nanoparticles form stacked rings around the DNA. Click here for mor...

Pitt researchers create non-toxic clean-up method for potentially toxic nano materials

... School of Public Health. These results open the door to further development of safe and natural methodswith HRP or other enzymesof cleaning up carbon nanotube spills in the environment and the industrial or laboratory setting. Carbon nanotubes are one-atom thick rolls of graphite 100,000 times smaller tha...

MIT nanotubes sniff out cancer agents in living cells

...sue does not, which makes it easier to see the nanotubes light up. Each nanotube is coated with DNA, which binds to DNA-damaging agents present in the cell....n how they interact," Strano said. Because they are coated in DNA, these nanotube sensors are safe for injection in living cells. (Nanotubes can come in many...

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nanotube in Biological Technology

Video shows nanotube spins as it grows

HOUSTON -- (July 27, 2009) -- New video showing the atom-by-atom growth of carbon nanotubes reveals they rotate as they grow, much like the halting motion of a mechanical clock's second hand. Published online this month by researchers at France's Universit Lyon1/CNRS and Houston's Rice University,...

Carbon Design Innovations, Inc. Introduces Carbon Nanotube Probe Technology for Atomic Force Microscopy, CNT-Probes Deliver New Level of AFM Imaging Performance

Carbon Design Innovations, Inc. (C|D|I) today announced the availability of two new atomic force microscope (AFM) probes types with carbon nanotube (CNT) tips. The CCHAR (carbon core high-aspect ratio) and CCHR (carbon core high-resolution) CNT probes offer quantum improvements for AFM imaging, ...

New nanotube coating enables novel laser power meter

The U.S. military can now calibrate high-power laser systems, such as those intended to defuse unexploded mines, more quickly and easily thanks to a novel nanotube-coated power measurement device developed at the National Institute of Standards and Technology (NIST). The new laser power meter,...

Sandia researchers construct carbon nanotube device that can detect colors of the rainbow

LIVERMORE, Calif. Researchers at Sandia National Laboratories have created the first carbon nanotube device that can detect the entire visible spectrum of light, a feat that could soon allow scientists to probe single molecule transformations, study how those molecules respond to light, observe h...

Carbon nanotube avalanche process nearly doubles current

CHAMPAIGN, Ill. By pushing carbon nanotubes close to their breaking point, researchers at the University of Illinois have demonstrated a remarkable increase in the current-carrying capacity of the nanotubes, well beyond what was previously thought possible. The researchers drove semiconducting c...

USC researchers print dense lattice of transparent nanotube transistors on flexible base

It's a clear, colorless disk about 5 inches in diameter that bends and twists like a playing card, with a lattice of more than 20,000 nanotube transistors capable of high-performance electronics printed upon it using a potentially inexpensive low-temperature process. Its University of Southern ...

Method sorts out double-walled carbon nanotube problem

It's hard to study something with any rigor if the subject can't be produced uniformly and efficiently. Researchers who study double-walled carbon nanotubes -- nanomaterials with promising technological applications -- find themselves in just this predicament. The problem is that current techni...

Weizmann Institute scientists create new nanotube structures

Thanks to the rising trend toward miniaturization, carbon nanotubes which are about 100,000 times thinner than a human hair and possess several unique and very useful properties have become the choice candidates for use as building blocks in nanosized electronic and mechanical devices. But it is...

Carbon nanotube measurements: latest in NIST 'how-to' series

The National Institute of Standards and Technology (NIST), in collaboration with the National Aeronautics and Space Administration (NASA), has published detailed guidelines* for making essential measurements on samples of single-walled carbon nanotubes (SWCNTs). The new guide constitutes the curre...

New kind of transistor radios shows capability of nanotube technology

CHAMPAIGN, Ill. Carbon nanotubes have a sound future in the electronics industry, say researchers who built the worlds first all-nanotube transistor radios to prove it. The nanotube radios, in which nanotube devices provide all of the active functionality in the devices, represent important firs...
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