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“#Trace vapor generator for detecting explosives, narcotics” Diagram illustrating the flow path of the analyte in an aqueous solution as it moves from the sample introduction vessels on the Trace Vapor Generator for Explosives and Narcotics (TV-Gen) control box, through the nebulizer interface, where the analyte is vaporized and continues through the TV-Gen oven, dual…
“#Face mask insert could help diagnose disease conditions, study shows” Credit: Pixabay/CC0 Public Domain Given current events, many people are wearing face masks to protect themselves and others. But that same face mask could someday also collect useful health information. Researchers reporting in ACS’ Analytical Chemistry have demonstrated that a fiber inserted into an ordinary…
“#Highly sensitive dopamine detector uses 2-D materials” Schematic of a highly selective dopamine detector using two-dimensional material. Credit: Derrick Butler, Penn State A supersensitive dopamine detector can help in the early diagnosis of several disorders that result in too much or too little dopamine, according to a group led by Penn State and including Rensselaer…
“#Your hair knows what you eat and how much your haircut costs” Credit: Unsplash/CC0 Public Domain Millimeter by millimeter, your hair is building a record of your diet. As hair strands are built from amino acids that come from your food, they preserve the chemical traces of the protein in that food. It’s a strong…
“#Imaging technology reveals historical layers of Eyckian Lamb of God” Left: Color image after the 1950s treatment. The ears of the Eyckian Lamb were revealed after removal of the 16th century overpaint obscuring the background. (© Lukasweb.be – Art in Flanders vzw). Right: Color image after the 2019 treatment that removed all of the 16th…
“#NIST expands database that helps identify unknown compounds in milk” Michael Power retrieves a sample of African Lion’s milk from a freezer. Remoroza will bring the sample back to the lab at NIST, where she will identify the multitude of complex sugars, called oligosaccharides, present in the milk. These sugars have a more complicated molecular…
“#Ideal method for rapid disease testing” Credit: Pixabay In the pandemic age of telehealth and new technologies, remote site lab or point-of-care (POC) testing of biofluids is a potentially rapid and non-invasive way to test for most diseases—including COVID-19. Now scientists at Flinders University have run tests on the bioprobe industry, recommending the potential of…
“#Electron cryo-microscopy: Using inexpensive technology to produce high-resolution images” 3D-structure of apoferritin produced by electron cryo-microscopy. Credit: Panagiotis Kastritis Biochemists at Martin Luther University Halle-Wittenberg (MLU) have used a standard electron cryo-microscope to achieve surprisingly good images that are on par with those taken by far more sophisticated equipment. They have succeeded in determining the…
“#Deep learning enables early detection and classification of live bacteria using holography” Deep learning-based early detection and classification of live bacteria. a, Schematic of the device. b, Whole plate image of E. coli and K. aerogenes colonies. c, Example images of the individual growing bacterial colonies detected by a trained deep neural network. The time…
“#New technique in which drugs make bacteria glow could help fight antibiotic resistance” Drug uptake in bacteria before and after. Credit: Dr Stefano Pagliara, University of Exeter A new technique could help reduce antibiotic prescribing by predicting which drugs could be effective in fighting bacteria within minutes. Scientists at the University of Exeter have developed…