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Journal Highlight: Distinguishing individual DNA bases in a network by non-resonant tip-enhanced Raman scattering

Date: Jun 15, 2017

Author: spectroscopyNOW

Scanning tunneling microscope-controlled non-resonant TERS has been used to distinguish unambiguously between two individual complementary DNA bases (adenine and thymine) with a spatial resolution down to 0.9 nm.

Read More thumbnail image: Journal Highlight Distinguishing individual DNA bases in a network by non-resonant tip-enhanced Raman scattering

From heartbreak to happiness with in-house MS database

Date: Jun 15, 2017

Author: Ryan De Vooght-Johnson

Gelsemium elegans is a toxic plant of interest for its possible medical uses. Scientists from Hunan Agricultural University in China used a combination of LC-MS/MS and an in-house database of the accurate masses of previously detected Gelsemium compounds to tentatively identify a wide range of the many components in a crude extract from the plant.

Read More thumbnail image: From heartbreak to happiness with in-house MS database

Precisely helium: Single molecule calibration

Date: Jun 15, 2017

Author: David Bradley

Researchers from Aarhus University in Denmark and the Institute of Science and Technology in Austria have developed a new technique for aligning molecules using lasers and ultracold droplets of helium so they can precisely measure alignment.

Read More thumbnail image: Precisely helium Single molecule calibration

Lassa lashed: X-ray vaccine clue

Date: Jun 15, 2017

Author: David Bradley

Lassa fever can be lethal, it is a severe hemorrhagic disease caused by a single-stranded RNA virus in the arenavirus family. There is currently no vaccine. But that might soon change thanks to X-ray crystallographic work ten years in the making.

Read More thumbnail image: Lassa lashed X-ray vaccine clue

Stony coral: NMR and climate resistance

Date: Jun 15, 2017

Author: David Bradley

2D nuclear magnetic resonance (NMR) spectroscopy and ultra-high-resolution 3D imaging have been used to investigate a well-known and previously well-studied stony coral of the Indo-Pacific to reveal that it precipitates minerals through a biologically driven process. The findings suggest that this particular species may be more resistant to climate change than first thought.

Read More thumbnail image: Stony coral NMR and climate resistance

Understanding diabetes: Atomic absorption spectrometry assists

Date: Jun 15, 2017

Author: David Bradley

Type 1 diabetes is a major cause of debilitation and premature death. Treating the disorder is complicated and costly. Now, a team in Brazil is using atomic absorption spectrometry and other techniques to look for potential metallic biomarkers for copper, magnesium, selenium, and zinc to correlate their concentrations with the patient metalloproteome.

Read More thumbnail image: Understanding diabetes Atomic absorption spectrometry assists

Journal Highlight: Alzheimer disease classification using KPCA, LDA, and multi-kernel learning SVM

Date: Jun 12, 2017

Author: spectroscopyNOW

A novel diagnosis method for distinguishing Alzheimer disease, mild cognitive impairment and healthy states used kernel PCA followed by LDA and a a multi-kernel SVM for training and testing for detection.

Read More thumbnail image: Journal Highlight Alzheimer disease classification using KPCA LDA and multi-kernel learning SVM

Journal Highlight: Characterization of Ag and Au nanolayers on Cu alloys by TLC, SEM-EDS, and ICP-OES

Date: Jun 6, 2017

Author: spectroscopyNOW

Chromatographic, spectroscopic, and microscopic techniques have been employed to study four historical samples made of silver-plated and gilded copper alloys from the 19th century originating from Croatia.

Read More thumbnail image: Journal Highlight Characterization of Ag and Au nanolayers on Cu alloys by TLC SEM-EDS and ICP-OES

Journal Highlight: Mutual diffusion driven NMR: a new approach for the analysis of mixtures by spatially resolved NMR spectroscopy

Date: Jun 6, 2017

Author: spectroscopyNOW

A new approach has been established for resolving the NMR spectra of mixtures, relying on the mutual diffusion of dissolved species when a concentration gradient is established within the NMR tube.

Read More thumbnail image: Journal Highlight Mutual diffusion driven NMR a new approach for the analysis of mixtures by spatially resolved NMR spectroscopy

Journal Highlight: A novel library-independent approach based on high-throughput cultivation in Bioscreen and fingerprinting by FTIR spectroscopy for microbial source tracking in food industry

Date: Jun 6, 2017

Author: spectroscopyNOW

A new library-independent approach for microbial source tracking based on high-throughput liquid microcultivation and FTIR spectroscopy has high potential for routine control in the food industry due to low costs and analysis time.

Read More thumbnail image: Journal Highlight A novel library-independent approach based on high-throughput cultivation in Bioscreen and fingerprinting by FTIR spectroscopy for microbial source tracking in food industry
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