One double-helix strand of DNA could extend six feet, but it is so tightly coiled that it packs an entire sequence of nucleotides into the tiny nucleus of a cell. If that same DNA was instead split into two strands and divided ...
Biotechnology
Oct 17, 2023
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85
For more than 30 years, polymerase chain reaction (PCR) has been the gold standard in molecular diagnostic testing, detecting genetic material, such as those from a virus or from human DNA. But PCR, including reverse transcription ...
Bio & Medicine
Jul 25, 2022
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21
By its very nature, science rarely offers a quick fix. New technologies and medicines often take years to prove that they are safe and effective. Yet the surging COVID-19 pandemic is forcing scientists to condense this process ...
Other
Apr 15, 2020
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19
A new tool is available to select for soybean rust resistance in breeding populations, said Glen Hartman, University of Illinois professor of crop sciences and USDA-ARS scientist. Hartman and his team of researchers successfully ...
Plants & Animals
May 16, 2011
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0
With each breath, humans exhale more than 1,000 distinct molecules, producing a unique chemical fingerprint or "breathprint" rich with clues about what's going on inside the body.
Analytical Chemistry
May 10, 2023
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126
Finding the right treatment plan for patients who have antibiotic-resistant infections is a costly and time-consuming effort. For doctors in rural areas or developing countries, there often is no source of electricity nearby ...
Cell & Microbiology
Mar 17, 2017
0
87
(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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0
Analyzing DNA is useful for a number of vital applications. This includes diagnosis and monitoring of diseases, identification of criminals, and studying the function of a targeted segment of DNA. However, methods used for ...
Biochemistry
Mar 31, 2017
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8
(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 to issue a model ...
Cambridge researchers have developed a new test that "fishes" for multiple respiratory viruses at once using single strands of DNA as bait and gives highly accurate results in under an hour.
Bio & Medicine
Jan 16, 2023
0
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