Picture this: You've brought your sick child to the doctor's office. After checking her pulse and blood pressure, he takes a nasal or throat swab and inserts it into a mysterious black box. Before the doctor finishes his ...
Biotechnology
Aug 28, 2012
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In April 2009, the world took notice as reports surfaced of a virus in Mexico that had mutated from pigs and was being passed from human to human. The H1N1 "swine flu," as the virus was named, circulated worldwide, killing ...
Analytical Chemistry
Jun 11, 2012
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(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 fast methods of ...
Analytical Chemistry
Apr 12, 2012
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A team of researchers from the University of Notre Dame have demonstrated a novel DNA detection method that could prove suitable for many real-world applications.
Biotechnology
Dec 16, 2011
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Anyone who has watched one of the CSI: Crime Scene Investigation television shows knows that PCR (Polymerase Chain Reaction) is a technology used to amplify the tiniest samples of DNA into forensic evidence that can identify ...
Cell & Microbiology
Sep 21, 2011
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(PhysOrg.com) -- As public health officials worry about rising concentrations of cyanobacteria - often called blue-green algae - in lakes, scientists are concerned that a warming climate will stimulate the growth of cyanobacteria.
Environment
Oct 28, 2010
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Northwestern University researchers have taken another step towards realizing a new class of polymerase chain reaction (PCR) enzyme mimics, opening the door for the development of highly sensitive chemical detection systems ...
Materials Science
Sep 30, 2010
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(PhysOrg.com) -- In a world first, scientists in Australia announced on Wednesday they had extracted DNA from the fossilised eggshells of extinct birds, including iconic giants such as the moa and elephant bird.
Biotechnology
Mar 9, 2010
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One of the earliest events that changes a normal cell into a malignant one is known as deoxyribonucleic acid (DNA) hypermethylation, a biochemical alteration that inactivates critical tumor-suppressor genes. A team of investigators ...
Bio & Medicine
Jul 23, 2009
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Scientists in Japan are reporting development of a faster, less expensive version of the fabled polymerase chain reaction (PCR) a DNA test widely used in criminal investigations, disease diagnosis, biological research and ...
Analytical Chemistry
Jul 8, 2009
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