Research News

The spy in the sewer: LC-MS/MS tells all

Valencia-Sewers-sWe are all probably aware of the detection of metabolites in wastewater to indicate the levels of illegal drug usage in a locality, but researchers at the University of Valencia have extended this to monitor alcohol consumption in near real time.

Read more: The spy in the sewer: LC-MS/MS tells all

 

NQR detector for tainted medicines and impure food supplements

Fake or low-quality medicines and food supplements are a continuing global problem in developing nations, and indeed the developed world is not immune. A low-cost, portable prototype using nuclear quadrupole resonance spectroscopy can detect tainted medicines and food supplements.

 

Read more: NQR detector for tainted medicines and impure food supplements

   

Success for cultural artefact THz imaging

Terahertz imaging technology has the potential to help conservationists and academics better understand the history behind cultural artefacts.

Read more: Success for cultural artefact THz imaging

   

Microresonators produce broad spectrum frequency combs with applications in spectroscopy

micro_resonator-sA chip-based device can generate a laser signal with frequencies spaced in a comb-like fashion. In general, light and water waves alike stretch out and dissipate as they move further and further away from their source. However, there is a type of wave that maintains its shape as it propagates: solitons.

Read more: Microresonators produce broad spectrum frequency combs with applications in spectroscopy

   

New 2D-MS test for cancer and diabetes biomarkers is 1000x more detailed

2dms-sA new test for detecting biomarkers for cancer and diabetes based on two-dimensional mass spectrometry is more than 1000× more detailed and 100% faster than existing methods, new research by the University of Warwick, UK, suggests.

Read more: New 2D-MS test for cancer and diabetes biomarkers is 1000x more detailed

   

Special issue shows how mass spectrometry is transforming clinical testing

Medical testing has been undergoing a quiet but extensive metamorphosis as labs adopt the versatile technology mass spectrometry, which enables more precise diagnosis. A special issue of Clinical Chemistry, titled “Clinical Mass Spectrometry: Achieving Prominence in Laboratory Medicine”, showcases recent medical advances that this technology has made possible.

Read more: Special issue shows how mass spectrometry is transforming clinical testing

   

Single molecule detection in gas-, solid- or liquid phases possible with slippery SERS

SLIPSERS-sA technique to combine the ultra-sensitivity of surface enhanced Raman scattering (SERS) with a slippery surface invented by researchers at Pennsylvania State University, University Park, PA, USA, will make it feasible to detect single molecules of a number of chemical and biological species from gaseous, liquid or solid samples.

Read more: Single molecule detection in gas-, solid- or liquid phases possible with slippery SERS

   

Frequency-agile laser frequency combs enable real-time NIR spectroscopy

NIR-Frequency-agile-comb-sElectro-optic modulators, which can switch light on and off within just picoseconds, are enabling ever faster telecommunication over fibre optics, and the same tools have now been harnessed for high-speed and accurate molecular sensing in the near infrared.

Read more: Frequency-agile laser frequency combs enable real-time NIR spectroscopy

   

New mass spectrometry test for cancer and diabetes biomarkers 1000x more detailed

A new mass spectrometry test for detecting biomarkers for cancer and diabetes is more than 1000× more detailed and 100% faster than existing methods, new research by the University of Warwick, UK, suggests.

Read more: New mass spectrometry test for cancer and diabetes biomarkers 1000x more detailed

   

Synchrotron XRF could lead to better prognosis for brain cancer patients

Diamond_XRF_Brain_Cancer_Distribution-sAn international group of scientists from Poland, Austria and the UK have used X-ray fluorescence (XRF) spectroscopy at the UK’s Diamond Light Source to advance our understanding of the changes taking place during the progression of brain cancer. This research may lead the way to a new tumour assessment method which could complement traditional approaches.

Read more: Synchrotron XRF could lead to better prognosis for brain cancer patients

   

Toward powerful and compact terahertz spectrometers

THz_frequency_combs-sA newly devised frequency comb provides a powerful light source, spanning frequencies of over 550 GHz with a total power of 5 mW. At the heart of the frequency combs are terahertz (THz) quantum cascade lasers (QCLs), which have the advantage of having both high power (in the form of THz radiation) and broadband capabilities (since the QCLs have gain over a wider frequency range). Combining these two elements to make a compact frequency comb generating long-wavelength light in the THz range can produce a useful source of radiation for a variety of applications in imaging, diagnostics, remote sensing and spectroscopy of extremely complex molecules.

Read more: Toward powerful and compact terahertz spectrometers

   

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