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Nanoscale in Biological News

Caltech scientists create DNA tubes with programmable sizes for nanoscale manufacturing

PASADENA, Calif.--Scientists at the California Institute of Technology (Caltech) have developed a simple process for mass producing molecular tubes of identical--and precisely programmable--circumferences. The technological feat may allow the use of the molecular tubes in a number of nanotechnolog...

Brown opens institute for molecular and nanoscale innovation

PROVIDENCE, R.I. [Brown University] Many of society's most pressing problems the search for clean energy, the availability of safe drinking water, rooting out the biomarkers of diseases depend on the study of matter at the molecular and nanoscale level. Such complex research is no longer confi...

First nanoscale image of soil reveals an 'incredible' variety, rich with patterns

A handful of soil is a lot like a banana, strawberry and apple smoothie: Blended all together, it is hard to tell what's in there, especially if you have never tasted the fruits before. But when you look at soil's organic carbon closely, it has an incredible variety of known compounds. And look...

Lensless camera uses X-rays to view nanoscale materials and biological specimens

ARGONNE, Ill. (Feb. 19, 2007) X-rays have been used for decades to take pictures of broken bones, but scientists at the U.S. Department of Energys (DOE) Argonne National Laboratory and their collaborators have developed a lensless X-ray technique that can take images of ultra-small structures bur...

Wiggle room: Cornell researcher borrows idea from sperm to provide energy for nanoscale robots

ITHACA, N.Y. In order to deliver medicine inside the human body, nanoscale medical devices need energy to carry out tasks, such as releasing drugs. Alex Travis, Cornell assistant professor of veterinary medicine, suggests creating a system that generates power for nanoscale robots, based upon how...

Drawing nanoscale features the fast and easy way

Scientists at the Georgia Institute of Technology have developed a new technique for nanolithography that is extremely fast and capable of being used in a range of environments including air (outside a vacuum) and liquids. Researchers have demonstrated the technique, known as thermochemical nanoli...

Bioengineers at University of Pennsylvania devise nanoscale system to measure cellular forces

University of Pennsylvania researchers have designed a nanoscale system to observe and measure how individual cells react to external forces. By combining microfabricated cantilevers and magnetic nanowire technology to create independent, nanoscale sensors, the study showed that cells respon...

Simplicity is crucial to design optimization at nanoscale

MIT researchers who study the structure of protein-based materials with the aim of learning the key to their lightweight and robust strength have discovered that the particular arrangement of proteins that produces the sturdiest product is not the arrangement with the most built-in redundancy or t...

Fantastic Voyage: A new nanoscale view of the biological world

Echoing the journey through the human body in Fantastic Voyage, doctors might soon be able to track individual donor cells after a transplant, or to find where and how much of a cancer treatment drug there is within a cell. New technology described in a study published today in the open access jour...

Researchers to develop active nanoscale surfaces for biological separations

A team of researchers has received a four-year, $1 million grant from the National Science Foundation to study improved methods for biological separations. Led by Ravi Kane, the Merck Associate Professor of Chemical and Biological Engineering at Rensselaer Polytechnic Institute, the group plans to ...

Embryonic stem cells do better on bumpy nanoscale mattress

Nothing in the cellular world is flat. Even the flattest of basement membranes has topography; bumps, if you like, beneath the cellular mattress. Unlike the princess kept awake by the pea, human embryonic stem (HES) cells do better when cultured on a substrate deliberately printed with nanosca...

Blood-compatible nanoscale materials possible using heparin

Researchers from Rensselaer Polytechnic Institute have engineered nanoscale materials that are blood compatible using heparin, an anticoagulant. The heparin biomaterials have potential for use as medical devices and in medical treatments such as kidney dialysis. The researchers prepared several m...

Rice scientists make first nanoscale pH meter

Using unique nanoparticles that convert laser light into useful information, Rice University scientists have created the world's first nano-sized pH meter. The discovery, which appears online this week in the journal Nano Letters, presents biologists with the first potential means of measuring ac...

Marine sponge yields nanoscale secrets

The simple marine sponge is inspiring cutting-edge research in the design of new materials at the University of California, Santa Barbara. A report about these exciting new results involving the use of gold nanoparticles is the cover story of the current issue of the scientific journal, Advanced...

Carbon nanoparticles toxic to adult fruit flies but benign to young

...alling into a tar pit." (Note to journalists: Video is available on request.) Rand and Robert Hurt, director of Brown's Institute for Molecular and nanoscale Innovation and the other corresponding author, said the findings are important, because they show that permutations of the same material carbon can ...

Argonne to showcase science and technology at community open house

...tive 3-D maps Tours will include the Advanced Photon Source, the Western Hemisphere's most brilliant source of X-rays for research; the Center for nanoscale Materials, a leading nanotechnology research facility; ATLAS, the Argonne Tandem-Linac Accelerator System; and the Argonne Wakefield Accelerator. T...

New advance in revolutionary 'bullet fingerprinting' technique

...ractions occurring between the metal and the fingerprint sweat deposit. Using advanced surface imaging techniques, such as an Atomic Force Microscope, nanoscale observations of fingerprinted brass samples can identify optimum conditions to promote the natural enhancement of the fingerprint, vastly improving th...

'Normal' cells far from cancer give nanosignals of trouble

...share very similar structural abnormalities on the nanoscale level. The findings, obtained using an optical...es. The most striking findings were that these nanoscale alterations occurred at some distance from the tum... "Our data provide a strong argument that these nanoscale changes are general phenomena in carcinogenesis an...

Research explores interactions between nanomaterials, biological systems

...t only will this improve the implementation and acceptance of this technology, but it will also provide the cornerstone of developing new and improved nanoscale therapeutic devices, such as drug-delivering nanoparticles." The review article spotlighted several important research advancements: A ...

WPI professor receives Fulbright Scholarship to work on tissue engineering in Ireland

...uction of the $50 million Life Sciences and Bioengineering Center at Gateway Park." During his stay in Ireland, Billiar will study the mechanics of nanoscale scaffolds for tissue engineering with Dr. Abhay Pandit, Director of the Network of Excellence for Functional Biomaterials. Developing a detailed under...

Center to investigate plant cells for better biomass fuels

...es that have so many practical uses as an energy source and a material." nanoscale investigations into the physical structure of lignocellulose -- the part of...e cellulose synthesis, lignocellulose assembly and the relationship between nanoscale structure and macroscale properties including porosity and plant cell wall ...

Nanoneedle is small in size, but huge in applications

...delivery, the nanoneedle-based approach can also be extended in many ways for single-cell studies, said Yu, who also is a researcher at the Center for nanoscale Chemical-Electrical-Mechanical Manufacturing Systems. "Nanoneedles can be used as electrochemical probes and as optical biosensors to study cellular e...

6 young ASU faculty earn NSF Career awards

... 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 accomplishing myriad intricate technological tasks. Jiang wants to link the material properties and capabiliti...

Singapore scientists synthesize gold to shed light on cells' inner workings

... for Science, Technology and Research). Measuring less than 1 nanometer in diameter, IBN's gold clusters are much smaller than currently available nanoscale imaging technologies such as semiconducting quantum dots, which are usually at least 3 nanometers in size. 1 nanometer is approximately 5 orders small...

Ancient diatoms lead to new technology for solar energy

...ction between photons and the dye to promote the conversion of light to electricity, and improve energy production in the process. The insertion of nanoscale tinanium oxide layers into the diatom shell has been reported in ACS Nano , a publication of the American Chemical Society, and the Journal of Mater...

First tri-continuous mesoporous Silica complex structure developed in Singapore

...Chemistry (see reference below), the IBN scientists report that this novel material, named IBN-9 after the research institute, is the first hexagonal nanoscale construct with 3 unconnected interwoven channels. It is by far the most complex mesoporous nanostructure to have been synthesized in real-life and rep...

NIST-Cornell team builds world's first nanofluidic device with complex 3-D surfaces

...meter) level and used it to develop a method for engineering the first-ever nanoscale fluidic (nanofluidic) device with complex three-dimensional surfaces. A...ity to separate mixtures of nanoparticles with different sizes or study the nanoscale behavior of biomolecules (such as DNA) in detail. To solve the problem,...

Making a point: Picoscale stability in a room-temperature AFM

...f the cantilever, researchers can sense changes in the force and build up a nanoscale topographic image of the sample. The instruments are terrifically versatile... the probe away and return to exactly the same spot (potentially useful for nanoscale manufacturing). At this scale, its like trying to hold a pen and draw on a ...

Turning sunlight into liquid fuels

... Watts per square meter)." Frei and Jiao used mesoporous silica as their scaffold, growing their cobalt nanocrystals within the naturally parallel nanoscale channels of the silica via a technique known as "wet impregnation." The best performers were rod-shaped crystals measuring 8 nanometers in diameter an...

Story tips from the Departments of Energy's Oak Ridge National Lab -- March 2009

...Oak Ridge National Laboratory's Center for Nanophase Materials Sciences, scientists have made a series of discoveries that could open new pathways for nanoscale electronics. The study, published in Nature Materials ( http://www.nature.com/nmat/journal/vaop/ncurrent/abs/nmat2373 ) and led by Ramamoorthy Rames...

Singapore-US scientists first to develop revolutionary microchip that uses 30 times less energy

...tion electronics, based on principles drawn from the mathematics of probability as it relates to areas such as risk analysis, perceptual neurobiology, nanoscale devices and computing with applications to exciting domains such as graphics and multimedia, education and global health," says Professor Palem. Th...

Fluorescent proteins illuminating biomedical research

...yed Dr. Verkhusha's PAFPs, revealing new insights into a variety of biological processes. For example, one of his PAFPs was used to capture the first nanoscale images of the orientation of molecules within biological structures. "Such images could be useful in studying protein-protein interactions, the growt...

Tension in the nanoworld

...sics (Munich, Germany) report the non-invasive and nanoscale resolved infrared mapping of strain fields in semi...pectively. The non-invasive mapping of strain with nanoscale spatial resolution, however, is still a challenge....e for highly sensitive and non-invasive mapping of nanoscale material properties is scattering-type Scanning Ne...

Samuel Stupp to receive honorary doctorate from TU/e

...dying biomaterials and functional devices. He wants to obtain a better understanding of the relationship between structures on a very small scale the nanoscale and the properties of a material at the macro-scale. Self-assembly and self-organization of large and small molecules are crucial to this. Stupp'...

Tufts University Prof. Maria Flytzani-Stephanopoulos named as AAAS Fellow

...field of catalysis, particularly for new insights in oxidation reactions on nanoscale metal oxides in fuel conversion and pollutant processes. Election as Fe...inds gold stronger. The researchers synthesize single crystal oxides at the nanoscale with specific shapes (rods, cubes, polyhedra) and crystal faces; dope these...

Donation for new Center for Pharmaceutical Nanotechnology and Nanotoxicology

.... Thomas Bjrnholm (Head of the NanoScience Centre) will be the Chairman of the Steering Committee. The development of a wide spectrum of promising nanoscale materials, either in their own right or as a component of multifunctional platforms, is beginning to have a paradigm-shifting impact in medicine; they...

Pitt, NETL researchers report molecular chain reaction thought to be impossible

...the U.S. Department of Energy National Energy Technology Laboratory (NETL) in Pittsburgh demonstrated a molecular chain reaction on a metal surface, a nanoscale process with sizable potential in areas from nanotechnology to developing information storage technology. The researchers report in the Dec. 12 editio...

Moving new technologies from the lab to the marketplace

...ting technique. The technique enables a precise amount of nano-particles to be bonded onto the surface of cohesive powders as small as 5 microns. This nanoscale coating process opens a host of new applications for pharmaceutical, neutraceutical, food, energetic and electronics materials. Sergiu Gorun, assoc...

NIST awards $24M in grants for new research facilities

...h facility for precision and quantum-level measurements. Planned research areas include the application of atomically resolved microscopy to operating nanoscale devices to observe dynamic processes and extremely rapid transient events at the nanoscale; quantum nanomechanics, an emerging discipline focused on t...

NIST, NCI bring web 2.0 tools to nanotechnology standards effort

...ting over technical details of in-process standards. The initial focus will be standards for characterizing the structure and properties of engineered nanoscale materials. The global market for nanotechnology-enabled products is forecast to top $3 trillion by 2015. This anticipated stream of nanotech innova...
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(Date:7/10/2014)... Foundation, a nonprofit organization funding cutting-edge, innovative research ... glaucoma and macular degeneration, today announced the recipients ... scientists in 19 U.S. states, the District of ... . , With these latest grants, BrightFocus ... research funding in 2014. , The research projects ...
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(Date:7/10/2014)... University Medical Center (CUMC) researchers have created a way ... pigmentosa (RP), a leading cause of vision loss. The ... induced pluripotent stem (iPS) cell technology to transform skin ... a patient-specific model for disease study and preclinical testing. ... Tsang, MD, PhD, showed that a form of RP ...
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(Date:7/10/2014)... The benefits of medical imaging far outweigh the ... Right Way, with The Right Radiation Dose. However, overuse ... Mayo Clinic is leading a collaborative effort to ensure ... published online in the Journal of Patient Safety ... Joint Commission, the Intersociety Accreditation Commission, and the Centers ...
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