DNA Lab at UNT Works to Identify Unknown Bodies: related news

DNA Lab at UNT Works to Identify Unknown Bodies

The DNA lab at the University of North Texas is working with the relatives of missing victims to match the DNA of unknown bodies to that of the victims.

A global DNA barcode database

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First DNA Molecule Constructed from Mostly Synthetic Components

ScienceDaily is reporting that Japanese chemists have created the world's first DNA molecule comprised of almost entirely artificial components. The breakthrough could lead to advances in both medicine and technology, possibly utilizing the massive storage capacity of DNA. "In the new study, Masahiko Inouye and colleagues point out that scientists have tried for years to develop artificial versions of DNA in order to extend its amazing information storage capabilities. As the genetic blueprint of all life forms, DNA uses the same set of four basic building blocks, known as bases, to code for a variety of proteins used in cell functioning and development. Until now, scientists have only been able to craft DNA molecules with one or a few artificial parts, including certain bases.

DNA Heritage Success in Patent Battle Helps Keep Genealogy DNA Test Prices Low

PRNewswire/ -- DNA Heritage has recently overcome patent claims held by a competitor which would have severely restricted the use of DNA testing and databases that allow families around the world to match and connect up through their DNA. The patent covers the use of surnames and Y-chromosomes to establish a family connection. The UK Intellectual Property Office (UK IPO) has now rendered a formal opinion stating that the relevant claims are all invalid.

DNA Heritage Success in Patent Battle Helps Keep Genealogy DNA Test Prices Low

RICHMOND, Texas, July 30 /PRNewswire/ -- DNA Heritage has recently overcome patent claims held by a competitor which would have severely restricted the use of DNA testing and databases that allow families around the world to match and connect up through their DNA. The patent covers the use of surnames and Y-chromosomes to establish a family connection. The UK Intellectual Property Office (UK IPO) has now rendered a formal opinion stating that the relevant claims are all invalid.

Coupling Across a DNA Helical Turn Yields a Hybrid DNA/Organic Catenane Doubly Tailed with Functional Termini

We describe the synthesis of a hybrid DNA/organic macrocycle that is prepared by formation of an amide linkage across one full turn of DNA. Formation of a catenane proved that the linkage crossed a turn rather than running along the phosphodiester backbone contour. The product, a doubly tailed catenane, contains 5′- and 3′-termini that can be functionalized further or used to incorporate the catenane structure into other DNA assemblies.

DNA sewing machine

(Nanowerk News) Japanese scientists have made a micro-sized sewing machine to sew long threads of DNA into shape. The work published in the Royal Society of Chemistry journal Lab on a Chip demonstrates a unique way to manipulate delicate DNA chains without breaking them ("On-site manipulation of single chromosomal DNA molecules by using optically driven microstructures" – free access article).

New electrostatic-based DNA microarray technique could revolutionize medical diagnostics

A new method for reading DNA (or RNA) microarrays is based on measuring the electrostatic repulsion between silica microspheres and hybridized DNA. Surface areas containing double-stranded DNA (red) or single-stranded DNA (blue) can be easily disting ...

DNA Sewing Machine Manipulates Delicate DNA Chains Without Breaking Them

Japanese scientists have made a micro-sized sewing machine to sew long threads of DNA into shape. The new work demonstrates a unique way to manipulate delicate DNA chains without breaking them.

Modified DNA helps scientists understand secrets of DNA repair mechanisms

(Nanowerk News) A modified DNA is helping scientists to understand the sophisticated DNA repair mechanisms that allow dormant bacteria to come 'back to life'.

New search engines identify unknown songs

Hamburg - Sometimes there's nothing worse than having a song stuck in your head. It's particularly frustrating if you picked up a melody somewhere, but don't even know the artist or title. The internet may ease your pain. Specialized online services are helping identify those nameless favourites. There are a variety of ways to name that tune. The Fraunhofer Institute for Digital Media Technology records the user singing the tune and tries to identify it against a database of melodies, an approach known as "Query by Humming." The technology was developed at the Fraunhofer Institute in Ilmenau.

Electron Transport by Molecular Motion of redox-DNA Strands: Unexpectedly Slow Rotational Dynamics of 20-mer ds-DNA Chains End-Grafted onto Surfaces via C6 Linkers

Electron Transport by Molecular Motion of redox-DNA Strands: Unexpectedly Slow Rotational Dynamics of 20-mer ds-DNA Chains End-Grafted onto Surfaces via C

DNA trail led FBI to anthrax suspect

DNA taken from the bodies of people killed in the 2001 anthrax attacks helped lead investigators to Bruce Ivins, who oversaw the highly specific type of toxin in an Army lab, a government scientist said Sunday.

Matsushita says new DNA technology identifies disease risks

A lab worker looks at DNA samples. Japan's Matsushita Electric Industrial Co. said Wednesday that it had developed a new way of predicting from a person's DNA their response to medication and risk of developing disease.

Miniaturized DNA Sewing Machines

Roland Piquepaille writes "Japanese researchers have found a way to build long threads of DNA using miniaturized hooks and bobbins. In fact, they've demonstrated how to manipulate delicate DNA chains without breaking them. They've designed these laser-directed microdevices to pick up and manipulate individual molecules of DNA. The scientists have used optical tweezers to catch and move these microdevices, which could be used in the future to detect genetic disorders such as Down's syndrome." Here's a link to the journal article.

Broken DNA Must Find Right Partners Quickly Amid Repairs

Just as square dance partners join hands at a particular point in the music, so broken pieces of DNA in our cells reunite as they are repaired. Precisely and quickly, these DNA pieces identify each other and tether together. A tumor-suppressor gene called ATM choreographs this fast-paced, but reliable, reassembly operation.

Sewing DNA thread with lasers, hooks and microbobbins

(PhysOrg.com) -- Japanese scientists have made a micro-sized sewing machine to sew long threads of DNA into shape. The work published in the Royal Society of Chemistry journal Lab on a Chip demonstrates a unique way to manipulate delicate DNA chains without breaking them.

Art works Auctioned online

June 18th and 19th Saffronart features an online auction covering 140 works by 67 modern and contemporary Indian artists. These will be accompanied by preview events in New York and Mumbai. This is one of those rare occurrences in the Indian art world, when both modern and contemporary artists are being showcased in the same market to the world at large. "Essentially both these styles of art have traditionally different buyers in the market. The European and non-Indian buyers seem to identify more with contemporary Indian artists, and hence their demand is currently more in the west. The Indian resident and non-residential buyers have a greater connect and nostalgic feeling toward Indian modernists. Thus the works of artists like Souza, Raza, and Hussain amongst others fetch such high values.

VA DNA Project Looks to the Past

The state of Virginia has begun a project to re-evaluate the DNA evidence of all convicted of violent crimes. The state crime lab hopes to determine whether the evidence matches the DNA of the person convicted of the crime.

Researchers Discover New DNA Binding Activity of E. coli Protein

Northeastern University scientists have discovered a new and unique DNA binding property of a protein in E. coli. Penny J. Beuning, Assistant Professor in the Department of Chemistry and Chemical Biology, spent the last two years researching double and single-stranded DNA binding of E. coli DNA polymerase III alpha protein and notes that her findings have potential for developing a new antibacterial target.

DNA vaccine for bird flu works: Vical

Washington - A DNA-based vaccine against avian influenza can safely stimulate the immune system to levels expected to protect against flu, San Diego-based Vical Inc reported on Thursday.

U.S. researchers identify new DNA weapon against avian flu

By delivering vaccine via DNA constructed to build antigens against flu, along with a minute electric pulse, U.S. researchers have immunized experimental animals against various strains of the virus.

CORRECTED: Vical says its DNA vaccine for bird flu works

WASHINGTON (Reuters) - A DNA-based vaccine against avian influenza can safely stimulate the immune system to levels expected to protect against flu, San Diego-based Vical Inc reported on Thursday.

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