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DNA

Olive oil counterfeiters may be thwarted by DNA particles, that are mixed into the liquid ...

When most people think of counterfeit goods, they probably picture things like handbags or watches. In fact, there's also a huge market for knock-off high-end food products, such as extra-virgin olive oil. Scientists from Switzerland's ETH Zurich research group, however, have come up with a possible method of thwarting the makers of that bogus oil – just add synthetic DNA particles to the real thing. And yes, consumers would proceed to swallow those particles.  Read More

It may someday be possible to ascertain someone's appearance by analyzing their DNA

As any fan of just about any TV cop show will tell you, it's possible to determine someone's sex and race based on a sample of their DNA. In the future, however, such samples may provide police with even more valuable information ... they might allow investigators to construct an image of the person's face.  Read More

The 3D model of the G-quadruplex, a four-stranded DNA sequence, that is already in use as ...

While two-dimensional modeling of double-stranded DNA molecules has been useful for the purpose of cancer research, the composition of the G-quadruplex, a four-stranded DNA sequence, has proven a different beast. A 3D printing lab at the University of Alabama has successfully produced a physical model of its molecular structure, improving understanding of its makeup and potentially, helping develop a treatment for pancreatic cancer.  Read More

A new approach targets bad bacterai, such as Salmonella (pictured), while leaving good bac...

The increasing prevalence of bacteria resistant to antibiotic drugs is largely blamed on the over prescription and use of such drugs in humans and animals, leading to the evolution of so-called "superbugs." A new antibiotic "smart bomb" that can target specific strains of bacteria could provide the next-generation antibiotic drugs needed to stave off the threat of antibiotic-resistant bacteria.  Read More

A rendering of the nanometer-scale DNA clamp, that recognizes genetic mutations more stron...

Scientists have developed a special DNA clamp to act as a diagnostic nano machine. It's capable of detecting genetic mutations responsible for causing cancers, hemophilia, sickle cell anemia and other diseases, more efficiently than existing techniques. Not only can the clamp be used to develop more advanced screening tests, but it could also help create more efficient DNA-based nano machines for targeted drug delivery.  Read More

Scientists have created piglets that glow green under a black-light (see the video below)

Scientists in Guangdong Province, Southern China, have created piglets that glow green under a black-light. The glow is caused by a fluorescent protein from jellyfish DNA that was transferred into the embryos within the sow, as a marker to show that the transfer of genetic material had been successful.  Read More

A new test is able to genetically discriminate between 'identical' twins (Photo: Shutterst...

Although they only account for around three in every thousand deliveries, monozygotic, or "identical" twins are fertile fodder for crime writers and cop shows. This isn't surprising considering that DNA fingerprint testing is not able to genetically differentiate between the good and evil twin. But now German-based company Eurofins MWG Operon says it has found a way to do just that.  Read More

Scientists have created a collagen-based patch that uses synthetic DNA to stimulate bone g...

Help could be on the way for people who don't have enough bone to support dental implants, who are missing bone due to a birth defect, or who have suffered bone-damaging injuries. Scientists at the University of Iowa have created an implantable collagen patch seeded with particles containing synthetic DNA, that instructs the patient's own cells to produce the protein that leads to bone growth.  Read More

A new generalized method for dna-assisted assembly can mix and match two different types o...

Researchers at the Brookhaven National Laboratory (BNL) have developed a generalized method of blending two different types of nanoparticles into a single large-scale composite material using synthetic DNA strands. The technique has great potential for designing a vast range of new nanomaterials with precise electrical, mechanical or magnetic properties.  Read More

Scientists have developed 'DNA barcodes' that could be used to authenticate high-end consu...

Earlier this year, we heard about a gun and a fogging system, both of which tag criminals with synthesized DNA. The idea is that when those people are apprehended later, they can be linked to the crime by analyzing the location- or event-specific DNA still on their skin or clothing. Now, scientists at the Technology Transfer Unit of Portugal's University of Aveiro are developing something similar – DNA "barcodes" that can be applied to products, then subsequently read as a means of identification.  Read More

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