Virus filters for medical diagnosis
...entists from the Fraunhofer Institute for Biomedical Engineering IBMT came across an unexpected phenomenon: stable turbulence structures formed in the microscale
pump channels. The nano- and microparticles actually intended to verify the pump effect accumulated in large quantities in the channels. The vortex pa...
How do infections and toxins launch a cell's self-destruct and alarm system?
...tal or disabling diseases, such as serious infections, heart attack, cancer and stroke.
Cookson is part of the National Institutes of Health-funded microscale
Life Sciences Center, a collaboration among scientists and engineers from the UW, the University of Arizona, the Fred Hutchinson Cancer Research Cente...
Lab on a chip developed at University of Alberta for cheap, portable medical tests
...ogies within tiny volumes, sometimes working with only a few molecules of sample. Because of this highly integrated chip (containing microfluidics and microscale
devices), the remainder of the system is inexpensive ($1,000) and fast.
There are many possible uses for such a portable genetic testing unit:
Engineers use blood's hydrodynamics to manipulate stem, cancer cells
... with far more blood material, but he believes his microscale
device can be scaled up to significantly larger ca...r cells respond to. His lab is working to create a microscale
tube that might attract cancer cells and use perma...teins to reprogram them to self-destruct. With his microscale
tube device, King has already verified that he can...
American Chemical Society's Weekly Presspac -- Sept. 5, 2007
...ible with test tubes and Petri dishes, Arnaud notes.
ARTICLE #5 EMBARGOED FOR 9 A.M., EASTERN TIME, Sept. 10, 2007
Mimicking biological systems: microscale
control of the chemistry and physics of cellular microenvironments reveals new biology
This story will be available on Sept. 10 at http://pubs.a...
Bacteria Harnessed as Micro-Robot Motors
...t how to glue S. marcescens to micro-robots for the delivery of drugs to hard to reach areas of the body.
One of the main challenges in developing microscale
robots lies in miniaturising their power and propulsion. Now, researchers in the US may have found a solution to this problem, by exploiting the natur...
Efforts To Replace Reading Glasses Are In View
... to measure the thickness and rigidity of the lens during laser surgery, thus guiding the surgeon as they reshape the lens. It's a new application for microscale
bubbles, which scientists have experimented with for years in the areas of drug delivery, tumor destruction and other medical applications.
Acute Toxicity Of Nano-Scale Zinc Powder: Severe Renal Damage And Anemia
...inc powder in mice.
The healthy adult male and female mice were gastrointestinally administered with two size particles, nanoscale zinc (N-Zn) and microscale
zinc (M-Zn) powder, while one group mice treated with sodium carboxy methyl cellulose was used as the control.
The symptoms and mortality after zi...
Microscale in Biological News
6 young ASU faculty earn NSF Career awards
... Junseok Chae is tackling fundamental questions about the use of molecular probes in biosensors. With such knowledge he will explore ways to construct microscale
components in instruments for biological testing and research.
Chae will do this by using MEMS (micro-electromechanical systems) technology. MEMS a...
AGU journal highlights -- Dec. 31, 2008
2. Simulations suggest big raindrops favor tornado formation
One of the largest sources of uncertainty in weather prediction involves how microscale
structures influence larger-scale phenomena. For instance, previous studies have demonstrated that the structure, dynamics, and evolution of thunderst...
Undergrad has sweet success with invention of artificial Golgi
...y different sugar variants by altering the combination of enzymes used to synthesize them. Another great thing about these devices is that they are of microscale
size, so that if needed we could fill an entire room with them to increase throughput for drug discovery.
There are millions of possible sugar com...
American Chemical Society's Weekly PressPac -- April 16, 2008
...nthetic materials, an in-depth understanding of the roses surface was needed.
Lin Feng and colleagues in China provide the first description of the microscale
surface of roses, composed of arrays of tiny, fleshy projections called micropapillae. The micropapillae form a seal with water droplets, allowing the...
Unexplored microbes hold incredible potential for science and industry
...nisms that have coevolved to fit one another's functions and isolate them in pure cultures.
Current technologies for making measurements at the microscale
need enhancement. Work is also needed to miniaturize scanning electron microscopy and other microscopic tools, develop biosensors, and to generally im...
New process makes nanofibers in complex shapes and unlimited lengths
...tive for the direct-write manufacture of nanofibers made from many materials, Yu said. In addition, the process can be used to integrate nanoscale and microscale
Beginning scientists receive presidential awards
...e materials to increase the sensitivity of chemical and biochemical sensors to target molecules including proteins, DNA or pesticides; and structuring microscale
circuits that can transmit and process large volumes of data at fast rates by manipulating light pulses rather than electrical signals, thus driving i...
Sandia researchers take new approach to studying how cells respond to pathogens
...t few minutes and hours of exposure.
Their method looks at cells one at a time as they start trying to fight the invading pathogens.
Called the microscale
Immune Studies Laboratory (MISL) Grand Challenge, the work is in its second of three years of funding by the internal Laboratory Directed Research and...
Nanotextured implant materials: blending in, not fighting back
...e a texture of fine nanoscale bumps on the inside of the blood vessel. This contrasts strongly with most of the materials used in implants, which have microscale
texture, but are nearly smooth at the nanoscale.
When the researchers changed the surface texture of implant materials to better match the natura...
The power of one: A simpler, cheaper method for cell fusion
... other hand, uses a $100 DC power supply, which, unlike the specialized generator, can be used to power other laboratory equipment. And because of its microscale
dimensions, Lu said his technology requires significantly smaller sample volumes.
"This could be very important," he said. "For example, if you h...
Microscale in Biological Technology
Use of ZipTip Pipette Tips for Microscale Affinity Mass Spectrometry
Affinity chromatography forms the basis of the separation and purification of a number of biological molecules. For example, antibodies may be purified based on their affinity for protein A, or a protein may be purified on the basis of its affinity for a monospecific...
Scientists create metal that pumps liquid uphill
...ws at all."
Guo and his assistant, Anatoliy Vorobyev, use an ultra-fast burst of laser light to change the surface of a metal, forming nanoscale and microscale
pits, globules, and strands across the metal's surface. The laser, called a femtosecond laser, produces pulses lasting only a few quadrillionths of a ...
A molecular ripcord for chemical reactions
... off as desired. Potential applications include the injection molding of plastic objects, where the technique could be used to simplify processing, or microscale
How does it work; weakest link
The researchers packed a catalytically active metal ion completely in using two molecular cap...
Nanoscale dimensioning is fast, cheap with new NIST optical technique
...rrently used for measuring materials at the nanoscale, Attota explains. This method is another approach to extend the range of optical microscopy from microscale
to nanoscale dimensional analysis. So far, sensitivity to a 3 nm difference in line widths has been demonstrated in the laboratory.
Progress toward new storage media
...nits of the computer. This requires an interface that makes the nanoscopic spin-state transitions of the molecular switching units compatible with the microscale
instrument environment. This is possible if the spin-transition compound can be put into a highly ordered micro- or nanostructure.
By using special ...
Microchip Biotechnologies, Inc. Awarded Contract Under US Army Commercialization Pilot Program
...ection, identification, and diagnosis of
biological threat agents and will be applicable to detecting pathogens for
molecular diagnostics. Using MBI's microscale
On-chip Valves (MOV(TM))
technology, the USPM will integrate multiple sample processing steps in a
small, universal sample preparation module that int...
On the boil: New nano technique significantly boosts boiling efficiency
...an interesting interplay between the nanoscale and microscale
surfaces of the treated metal. The potential appli...the water meets tiny pockets of air trapped in the microscale
texture and imperfections on the surface of the po... are typically formed when air is trapped inside a microscale
cavity on the metal surface of a vessel, and vapor...
'2-faced' particles act like tiny submarines
...art gel' that responds to a change in its environment and then releases drugs, for example," Velev says. Fabricating these responsive materials on the microscale
and nanoscale is an exciting and rapidly developing area of science, he adds.
"We are able to create tiny Janus particles of the same size and shap...
Strengthening fluids with nanoparticles
...ead to new types of miniature camera lenses, cell phone displays, and other microscale
This study may open up a new vista for using nanofluids in microscale
and nanoscale actuator device applications, said Theodorian Borca-Tasciuc, ...
Researchers create gold aluminum, black platinum, blue silver
...ense laser burst that changes the surface of a metal, forming nanoscale and microscale
structures that selectively reflect a certain color to give the appearance ...lects.
Guo and Vorobyev also achieve the iridescent coloring by creating microscale
lines covered with nanostructures. The lines, arranged in regular rows, cau...
Microscale in Biological Dictionary
...o a long-term widespread change of the fundamental structure, rather than microscale
or short-term output and employment. For example, a subsistence economy is ...o a long-term widespread change of the fundamental structure, rather than microscale
or Abstract: Structural change is a complex, intertwined phenomenon,...