Search results for organ-on-a-chip

Biochemistry Apr 5, 2024

Rapid, simultaneous detection of multiple bacteria achieved with handheld sensor

Hear the words E. coli or salmonella and food poisoning comes to mind. Rapid detection of such bacteria is crucial in preventing outbreaks of foodborne illness. While the usual practice is to take food samples to a laboratory ...

Biotechnology Apr 3, 2024

Q&A: The engineer who delivers mRNA inside human cells

Messenger RNA became a household term when it was used as the backbone of the first COVID-19 vaccines, especially after the Nobel Prize was awarded to two mRNA pioneers at the University of Pennsylvania.

Plants & Animals Apr 1, 2024

A frozen chunk of genome rewrites our understanding of bird evolution

An enormous meteor spelled doom for most dinosaurs 65 million years ago. But not all. In the aftermath of the extinction event, birds—technically dinosaurs themselves—flourished.

Ecology Mar 27, 2024

The Klamath River's dams are being removed: Inside the effort to restore a scarred watershed

Near the California-Oregon border, reservoirs that once submerged valleys have been drained, revealing a stark landscape that had been underwater for generations.

Analytical Chemistry Mar 26, 2024

Researchers challenge the limits of molecular memory, opening the door to the development of molecular chips

Some molecules respond to external light pulses by changing their structure and holding certain states that can be switched from one to another. These are commonly referred to as photoswitches and usually have two possible ...

Biochemistry Mar 25, 2024

Novel electrochemical sensor detects dangerous bacteria

Researchers at Goethe University Frankfurt and Kiel University have developed a novel sensor for the detection of bacteria. It is based on a chip with an innovative surface coating that ensures only very specific microorganisms ...

Plants & Animals Mar 12, 2024

How a wandering white shark's epic journey could provide clues for protecting them

As sharks go, LeeBeth is something like a long-haul trucker with gills and giant teeth.

Optics & Photonics Mar 6, 2024

'Ruler for light' could enable detailed measurement in personal devices

Stanford researchers have unveiled a new type of frequency comb, a high-precision measurement device, that is innovatively small, ultra-energy efficient, and exceptionally accurate. With continued development, this breakthrough ...

Biotechnology Mar 4, 2024

New tool sheds light on palm oil production

Palm oil is used in a plethora of household products, from food items like packaged pastries and chips to cosmetics and soaps or even biofuels. But most palm oil is produced on mono-crop plantations, grown on huge tracts ...

Analytical Chemistry Feb 26, 2024

Scientists deliver portable total chemical analysis without pumps and tubes

Researchers from Tokyo Metropolitan University have engineered a new micro total analysis system that quantifies a target chemical in a microfluidic chip without pumps, tubes, and expensive detectors. The compound reacts ...

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