Research News

SERS may benefit from new, single-step method of fabricating microcapsules

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A new, single-step method of fabricating microcapsules, which have potential commercial applications as a substrate for surface-enhanced Raman spectroscopy (SERS), and in industries including medicine, agriculture and diagnostics, has been developed by researchers at the University of Cambridge, UK. Their have been published in Science titled “One-Step Fabrication of Supramolecular Microcapsules from Microfluidic Droplets”.

Read more: SERS may benefit from new, single-step method of fabricating microcapsules

 

Mass spectrometry detects nicotine in Mayan container

Archaeologists examining late period Mayan containers have identified nicotine traces from a codex-style flask, revealing the first physical evidence of tobacco use by ancient Mayans. The study published in Rapid Communications in Mass Spectrometry reveals the flask is marked with Mayan hieroglyphics reading, “y-otoot ’u-may” (“the home of its/his/her tobacco”), making it only the second case to confirm that the text on the exterior of a Mayan vessel corresponds to its ancient use.

Read more: Mass spectrometry detects nicotine in Mayan container

   

FACSS awards

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FACSS has announced the winners of the 2012 ANACHEM and Charles Mann awards: Peter Griffiths and Don Pivonka.

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Inaugural winners of the FACSS Innovation Awards

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FACSS LogoThe Federation of Analytical Chemistry and Spectroscopy Societies (FACSS) has announced the winners of the 2011 FACSS Innovations Awards. The FACSS Innovation Awards showcase the newest and most creative science debuted orally at a FACSS-organised conference. Shortlisted finalists competed in front of expert panels at the 2011 FACSS conference in Reno, NV, USA (2–7 October 2011). The panel commended the high quality of entries and selected four equal awardees.

Read more: Inaugural winners of the FACSS Innovation Awards

   

Funding for Imaging MS in Germany

Due to the importance of imaging mass spectrometry in the life sciences, the Joint Committee of the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) has decided, as part of the “Imaging Mass Spectrometry in the Life Sciences” initiative, to equip nine universities with major instrumentation systems.

Read more: Funding for Imaging MS in Germany

   

Raman for diabetes monitoring

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Part of managing diabetes involves piercing a finger several times daily to monitor blood sugar levels. Attempts have been made for decades to find a suitable spectroscopic method to replace this invasive procedure for monitoring glucose with a painless one. A number of spectroscopic techniques, including near infrared (NIR), have shown promise, but now instrumental developments in Raman spectroscopy may offer a solution.

Read more: Raman for diabetes monitoring

   

New bulk analysis spectroscopy technique

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HARPES-3-sFor the past 30 years, one of the most valuable and widely used techniques for studying electronic structures has been Angle-Resolved PhotoEmission Spectroscopy (ARPES). However, this technique primarily looks at surfaces. Now, for the first time, bulk electronic structures have been opened to comparable scrutiny through a new variation of this standard called Hard x-ray Angle-Resolved PhotoEmission Spectroscopy (HARPES).

Read more: New bulk analysis spectroscopy technique

   

Mass spec imaging reveals how sticky egg captures sperm

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sperm-sResearchers have used mass spectrometry imaging to uncover exactly how a human egg captures an incoming sperm to begin the fertilisation process, in a new study published this week in Science. The research identifies the sugar molecule that makes the outer coat of the egg “sticky”, which is vital for enabling the sperm and egg to bind together. Researchers across the world have been trying to understand what performs this task for over 30 years.

Read more: Mass spec imaging reveals how sticky egg captures sperm

   

2D spectroscopy illuminates electrons in semiconductors

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2d-sUsing two-dimensional spectroscopy, researchers in Berlin have shown that electrons in a semiconductor are best described as a cloud with a size of a few nanometres. The cloud size is determined by the interaction of the electron with vibrations in the crystal lattice.

Read more: 2D spectroscopy illuminates electrons in semiconductors

   

Raman system for cervical cancer to be licensed to Irish start-up company

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Raman-of-cancer-sDr Fiona Lyng of Dublin Institute of Technology is this year’s winner of the Enterprise Ireland “One to Watch” award. Dr Lyng is developing a new system using Raman spectroscopy to diagnose cervical cancer together with her colleagues at the Radiation and Environmental Science Centre at the Focas Institute in DIT and collaborators at the Coombe Women and Infants University Hospital.

Read more: Raman system for cervical cancer to be licensed to Irish start-up company

   

Single-molecule fluorescence reveals cause of protein misfolding

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protein-misfolding-sA large number of illnesses stem from misfolded proteins, molecules composed of amino acids. Researchers at the University of Zurich, Switzerland, have now studied protein misfolding using a special spectroscopic technique— single-molecule fluorescence. Misfolding, as they report in Nature, is more frequent if the sequence of the amino acids in the neighbouring protein domains is very similar.

Read more: Single-molecule fluorescence reveals cause of protein misfolding

   

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