Rather than conduct an aquatic roll call with nets to know which fish reside in a particular body of water, scientists can now use DNA fragments suspended in water to catalog invasive or native species.
Ecology
Jul 17, 2017
0
3
The quick, accurate detection of a virus on a wide scale is the key to combating infectious diseases such as COVID-19. A new viral diagnostic strategy using reactive polymer-grafted, double-stranded RNAs will serve as a pre-screening ...
Cell & Microbiology
Jun 2, 2020
0
9
Research into insect species can benefit from genetic studies. However, genetic samples can often be difficult to collect in a non-invasive manner, especially when the insects are only found in a particular location or are ...
Plants & Animals
Aug 20, 2021
0
6
Detecting a single DNA sequence demands high sensitivity. DNA amplification is used to generate thousands of DNA copies so that it can be easily detected and identified. To do so, scientists often employ a technique called ...
Nanomaterials
Mar 20, 2019
0
28
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
0
0
Though the price makes you wince, you might just buy that bottle of your favorite olive oil anyway. Perhaps it's exactly what you want for the salad dressing you're making tonight and for your special stir-fry on the weekend.
Plants & Animals
May 24, 2013
0
0
Using technology available through a local company, an Iowa State University researcher is working on a faster method to detect and genetically identify salmonella from contaminated foods.
Analytical Chemistry
May 4, 2010
0
0
(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 amplification ...
Biochemistry
Oct 2, 2012
0
0
Is the food on the shelf really that what is written on the label? Its DNA would give it away, but the DNA barcoding technology, which can be used for this purpose, is labor-intensive. Now, in the journal Angewandte Chemie, ...
Biotechnology
Jun 14, 2017
0
2
U.S. Department of Agriculture (USDA) scientists have come up with a way to detect pathogenic Escherichia coli and Salmonella bacteria in waterways at lower levels than any previous method. Similar methods have been developed ...
Cell & Microbiology
Feb 8, 2011
0
0
