New DNA test identifies ingredients in foods
Scientists at Mainz University develop a novel screening procedure for accurately determining the amount of animal, plant, and microbial substances in foods
Mar 27, 2013
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Mar 27, 2013
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DNA catalysts do the work of protein enzymes
(Phys.org) —Illinois chemists have used DNA to do a protein's job, creating opportunities for DNA to find work in more areas of biology, chemistry and medicine than ever before.
Mar 19, 2013
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Researchers develop new sensor for methylated DNA
Collaborators from Mayo-Illinois Alliance for Technology Based Healthcare have developed a new, single molecule test for detecting methylated DNA. Methylation—the addition of a methyl group of molecules to a DNA strand—is ...
Mar 14, 2013
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Scientists develop Atlantic fish DNA database with possible conservation and seafood fraud implications
Resolving the internal structure of nanoparticle dimers linked by DNA
Light and x-ray scattering experiments have revealed the structure of nanoparticle dimers linked by flexible DNA chains. These dimers were basic units in a multi-scale,hierarchical assembly, and served as ...
Jan 16, 2013
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Improving DNA amplification from problematic plants
The polymerase chain reaction (PCR) is a common technique used to amplify, or copy, pieces of DNA. Amplified DNA is then used in genetic analyses for everything from medicine to forensics. In plant research, PCR is a vital ...
Jan 03, 2013
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New method for sequencing genome in a single cell
(Phys.org)—The traditional genome sequencing process requires thousands of cells (or more) to provide sufficient DNA, and this means that variations that are only present in a small number of cells―such as early cancer ...
Dec 21, 2012
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NEC plans DNA analyzer for nearly-instant results
(Phys.org)—NEC is working on a DNA analyzer that is the size of a suitcase, portable enough to be taken to crime scenes. The NEC analyzer integrates all steps required in DNA analysis. By 2014, NEC intends ...
Nov 27, 2012
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Researchers develop new method for detection of specific DNA sequences
(Phys.org)—The detection of specific DNA sequences is central to the identification of disease-causing pathogens and genetic diseases, as well as other activities. But current detection technologies require ...
Oct 02, 2012
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DNA tug of war
A mathematical model created by Aalto University (Finland) researcher Timo Ikonen explains for the first time how the DNA chains in our genome are translocated through nanopores that are only a couple of nanometres thick.
May 11, 2012
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Bioluminescent technology for easy tracking of GMO
It is important to be able to monitor genetically modified (GM) crops, not only in the field but also during the food processing chain. New research published in BioMed Central's open access journal BMC Biotechnology shows ...
Apr 30, 2012
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Everything flows in rapid diagnostic tests
(Phys.org) -- Our ability to detect pathogens has become quite good, but it usually requires complex laboratory techniques. Sometimes we need a quick result, or there is no laboratory nearby. Portable and ...
Apr 12, 2012
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Research into possible Woodchester wild cat finds no cat DNA on deer
Extensive DNA tests by experts at the University of Warwick on two deer carcasses found in Gloucestershire have not found any indication of a big cat presence.
Feb 01, 2012
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Technology reveals citrus greening-infected trees
Where no lab has gone before: Single-Molecule Electrokinetic Traps
(PhysOrg.com) -- To study the behavior of large protein complexes and long DNA chains in solution, researchers use so-called molecular traps. However, earlier traps have proven ineffective when working with s ...
May 25, 2011
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