At a constant temperature, the device emits the compound through its permeable portion at a constant rate more
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Researchers at the National Institute of Standards and Technology (NIST) have developed the first widely useful standard for magnetic resonance imaging (MRI) of the breast, a method used to identify and monitor breast cancer. The NIST instrument -- a "phantom" -- will help standardize MRIs of breast more
A new study that assesses the accuracy of modern human-genome-sequencing technologies found that some medically significant portions of an individual's DNA blueprint are situated in complex, hard-to-analyze regions that are currently prone to systematic errors. These genes and gene segments lie in y more
By amending methodology to utilize eVol® for sample preparation processes for GC-C-IRMS C isotope ratio analysis, the ISORA department has: improved sample preparation conditions and the GC-C-IRMS analysis results by removing the risk of ghost peaks, more
USP Chapter 41 weighing requirements are mandatory in a Pharmaceutical Quality Control laboratory, where weighing is a fundamental step. more
The analysis of oils, fat and fat contain- ing food containing food via fatty acid methyl esters (FAME) is a common task in governmental, quality control (QC) or contract research laboratories (CRO). Most often the samples are processed manually, whi more
On 10 July, researchers in Chile will unveil an online public random number service. Later in July, the U.S. National Institute of Standards and Technology (NIST) will launch its Randomness Beacon as a permanent service, upgrading a pilot program that began in 2013. Brazil, too, is planning a beacon more
Do we think that a problem persists even when it has become less frequent? Levari et al. show experimentally that when the “signal” a person is searching for becomes rare, the person naturally responds by broadening his or her definition of the signal—and therefore continues to find it even when it more
Global annual resource use reached nearly 90 billion metric tons in 2017 and may more than double by 2050. This growth is coupled with a shift of materials extraction from Europe and North America to Asia. In 2017, 60% of all materials were extracted in Asia, and extraction is expected to rise subst more
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