26 Current news of American Institute of Physics

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Closing in on the elusive rotational-vibrational CH5+ spectra

25-May-2016

Protonated methane, a.k.a. CH5+, is a highly unusual molecule that scientists and astronomers suspect may be found within the interstellar medium where stars and planets are formed. To identify molecules on Earth or in outer space, scientists typically record the spectrum of light absorbed -- ...

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Better biopsies through biofluidics

03-Mar-2016

Biopsies are a gold standard for definitively diagnosing diseases like cancer. Usually, doctors can only take two-dimensional snapshots of the tissue, and they're limited in their ability to measure the protein levels that might better explain a diagnosis. But now, researchers have developed a ...

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Saliva test to detect GHB and alcohol poisonings

08-Jan-2016

Scientists working at Loughborough University, UK, and the University of Cordoba, Spain, have developed a new method for the rapid diagnosis of poisoning in apparently drunk patients. The saliva-based test offers the potential to screen for poisons commonly associated with the cheap or imitation ...

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Thermal microscopy of single cells

05-Jan-2016

Thermal properties of cells regulate their ability to store, transport or exchange heat with their environment. So gaining control of these properties is of great interest for optimizing cryopreservation -- the process of freezing and storing blood or tissues, which is also used when transporting ...

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Milestone single-biomolecule imaging technique may advance drug design

01-Oct-2015

Knowing the detailed shape of biomolecules such as proteins is essential for biological studies and drug discovery. Modern structural biology relies on techniques such as nuclear magnetic resonance (NMR), X-ray crystallography and cryo-electron microscopy to discover the tiny structural details ...

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Understanding nature's most striking colors

17-Sep-2015

The tulip called Queen of the Night has a fitting name. Its petals are a lush, deep purple that verges on black. An iridescent shimmer dances on top of the nighttime hues, almost like moonlight glittering off regal jewels. Certain rainforest plants in Malaysian demonstrate an even more striking ...

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A close-up view of materials as they stretch or compress

10-Sep-2015

Materials scientists are busy developing advanced materials, while also working to squeeze every bit of performance out of existing materials. This is particularly true in the aerospace industry, where small advantages in weight or extreme temperature tolerance quickly translate into tremendous ...

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Fabricating inexpensive, high-temp SQUIDs for future electronic devices

24-Jun-2015

High-transition-temperature superconductivity within copper-oxide materials was discovered in 1986, and quickly set into motion an intense research effort by scientists and engineers around the globe to develop superconducting electronics capable of operating at and above liquid nitrogen ...

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Measuring the mass of molecules on the nano-scale

By observing the shift in eigenstates of coupled microcantilevers, researchers can measure nanogram-scale mass in a liquid environment with extreme accuracy

04-Jun-2015

Working with a device that slightly resembles a microscopically tiny tuning fork, researchers at the University of Tsukuba in Japan have recently developed coupled microcantilevers that can make mass measurements on the order of nanograms with only a 1 percent margin of error - potentially ...

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New technique speeds nanoMRI imaging

Multiplexing technique for nanoscale magnetic resonance imaging cuts normal scan time from two weeks to two days

01-Jun-2015

NanoMRI is a scanning technique that produces nondestructive, high-resolution 3-D images of nanoscale objects, and it promises to become a powerful tool for researchers and companies exploring the shape and function of biological materials such as viruses and cells in much the same way as ...

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