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Tag: "materials" at biology news

Carnegie Mellon develops non-invasive technique to detect transplant rejection at cellular level

...rlier. Macrophages, which typically ingest foreign materials inside the body (bacteria, for example), incorporated the particles. Using MRI, the researchers then track tagged macrophages that infiltrate transplanted hearts. The locations of the tagged macrophages are highly defined and appear circular in shape...

Cellular scale drug delivery from the inside out

...entially release genes, chemical markers and other materials within cells in order to track what happens and what specific changes take place. This phase of Lin's research ties into a larger plant metabolomics project at Ames Laboratory. ...

Portable cocaine sensor developed at UC Santa Barbara

...portable." Heeger is a professor of physics and of materials and is affiliated with the Center for Polymers and Organic Solids at UCSB. He won the Nobel prize in chemistry in 2000. "For me the most exciting thing is that this is a generic, inexpensive way of detecting a range of interesting targets," said Kev...

Bioengineers create stable networks of blood vessels

...gs, and waste," said Lavik. "The hydrogel scaffold materials are generally highly biocompatible and safe to implant due to the presence of large volumes of water." ...

Engineers discover why toucan beaks are models of lightweight strength

...t he occasionally found on the forest floor. Now a materials scientist and professor of mechanical and aerospace engineering at UCSD's Jacobs School of Engineering, Meyers said makers of airplanes and automobiles may benefit from the first ever detailed engineering analysis of toucan beaks conducted in his lab...

Alleged 40,000-year-old human footprints in Mexico much, much older than thought

...verlying sediments. Carbon-14 cannot reliably date materials older than about 50,000 years. The idea for another test that, it turns out, throws more cold water on the footprint hypothesis came to Renne one morning in the shower. Many rocks retain evidence of their orientation at the moment they cool in the f...

'Dating agency' boosts hunt for disease genes

...d scientists can find on the website both data and materials about a disease. Then, they can 'date' a collabora...ew collaborators then request top quality research materials from the DNA Network's archive. "The significance of this development is that it builds on the succ...

T-rays: New imaging technology spotlighted by American Chemical Society

...n for lack of suitable radiation sources. Advanced materials research has provided new and higher power sources, and interest in THz sensing and imaging has exploded as a result. Objects at room temperature emit thermal energy in the THz range that can be used to sense and image objects. A particular advantag...

Dog genome sequenced

Today a plethora of dog genome-related materials are published, including a new book entitled The Dog and Its Genome and a series of primary research articles in the journal Genome Research . These publications, concomitant with the publication by Nature of a high-quality draft sequence of th...

Scientists fetch useful information from dog genome publications

Today a plethora of dog genome-related materials are published, including a new book entitled The Dog and Its Genome and a series of primary research articles in the journal Genome Research . These publications, concomitant with the publication by Nature of a high-quality draft sequence of th...

Similar Stem Cells In Insect And Human Gut

... and how we can possibly reconstruct centrin-based materials and devices for our own use at the micrometer and nanometer scales." ...

Are U.S. Flu Death Figures More PR Than Science?

... and how we can possibly reconstruct centrin-based materials and devices for our own use at the micrometer and nanometer scales." ...

Nano springs eternal; Protozoan 'engine' posts nano records

... and how we can possibly reconstruct centrin-based materials and devices for our own use at the micrometer and nanometer scales." ...

Researchers make long DNA 'wires' for future medical and electronic devices

... called soft lithography, where rubber molds press materials into shape. In this study, they arranged the DNA into rows of "stitches," pinstripes and criss-cross shapes. The pinstripes presented the researchers with a mystery: for some reason, thorn-like structures emerged along the strands at regular interv...

Bare metal stents deliver gene therapy to heart vessels with less inflammation in animal studies

Improved materials may allow stents, tiny metal scaffolds inserted into blood vessels, to better deliver beneficial genes to patients with heart disease, by reducing the risk of inflammation that often negates initial benefits. The new technique, using a compound that ...

New possibilities for flu antiviral and vaccine research emerge from 'Spanish flu' virus

...ation was recovered in fragments from lung autopsy materials and lung tissues from a flu victim who was buried in the Alaskan permafrost in 1918. The virus is contained at the Centers for Disease Control and Prevention (CDC), following stringent safety conditions designated for flu viruses and heightened sec...

Plants have a double line of defence

...r studies, the researchers hope to try to identify materials that are built up via PEN2 at the place of infection. They surmise that these materials could lead to the development of new kinds of "green fungicide" with a broad range of effects in the...

Science's Breakthrough of the Year: Watching evolution in action

...ilding blocks? Some scientists now say early Earth materials come from a different part of the solar system, while others say parts of early Earth are just sunk deep in the planet, hidden from view. Key Protein's Close-up: The most detailed molecular portrait to date of a voltage-gated potassium channel was u...

Magnetic probe successfully tracks implanted cells in cancer patients

...Because immature dendritic cells naturally take up materials around them, they simply absorbed, or ingested, the iron oxide particles when exposed to them in the lab. The magnetically labeled, cancer-primed cells were then returned to the patients, all of whom had stage III melanoma. "Although dendritic cell ...

University of Delaware researchers develop cancer 'nanobomb'

...anchapakesan received his bachelor' TM s degree in materials engineering at Regional Engineering College in India and doctorate in mechanical engineering from the University of Maryland at College Park in 2001 before joining the faculty at UD. His work is in the area of micro- and nano-electromechanical system...

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