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Short peptides: Underivatised peptidomics procedure

Date: Sep 18, 2019

Author: Steve Down

A peptidomics method for identifying small hydrophilic and hydrophobic peptides in urine has been developed by European scientists who used a tailored enrichment technique followed by mass spectrometric analysis.

Read More thumbnail image: Short peptides Underivatised peptidomics procedure

Journal Highlight: On the application of a novel linear mixture model on laser‐induced breakdown spectroscopy: Implications for Mars

Date: Sep 17, 2019

Author: spectroscopyNOW

A linear mixture model within a submodel clustering framework has been developed for elemental quantification from laser‐induced breakdown spectroscopy (LIBS) data using the Martian rover ChemCam preflight calibration dataset and a dataset from the characterization of a LIBS/Raman sensor prototype.

Read More thumbnail image: Journal Highlight On the application of a novel linear mixture model on laserinduced breakdown spectroscopy Implications for Mars

Extracting the urine: NMR tells us more

Date: Sep 15, 2019

Author: David Bradley

A rapid and quantitative aproach to metabolite analysis of urine samples has been taken by a tea from Aaurhus University, Sweden who use a paramagnetic co-solute in their nuclear magnetic resonance (NMR) spectroscopy.

Read More thumbnail image: Extracting the urine NMR tells us more

Enzyme microscopy: X-rays usurped

Date: Sep 15, 2019

Author: David Bradley

Cryo-electron microscopy, as opposed to X-ray crystallography, has allowed researchers in Germany to obtain a structure for a key enzyme complex involved in DNA repair and to trace the conformational changes that take place while it does its job.

Read More thumbnail image: Enzyme microscopy X-rays usurped

Tallying the normal microbiome: Informatics counts

Date: Sep 15, 2019

Author: David Bradley

An informatics approach to the biome of the healthy human gut takes the tally of 157 baseline microbes to 863 organisms when closely related proteomes are also counted, according to a study by researchers at the George Washington University and their colleagues.

Read More thumbnail image: Tallying the normal microbiome Informatics counts

Explosive study: Swept ECQCL

Date: Sep 15, 2019

Author: David Bradley

An infrared laser, specifically a swept-wavelength external cavity quantum cascade laser (swept-ECQCL) has been used to study explosions. The versatile instrument can be tuned across a broad range of wavelengths allowing researchers to measure different chemical substances within an explosive fireball.

Read More thumbnail image: Explosive study Swept ECQCL

Journal Highlight: Paper spray mass spectrometry: A new drug checking tool for harm reduction in the opioid overdose crisis

Date: Sep 12, 2019

Author: spectroscopyNOW

The merits of paper spray mass spectrometry have been discussed, with a focus upon the current state of its use as a candidate drug checking strategy for harm reduction by testing drug users for fentanyl and other opioids.

Read More thumbnail image: Journal Highlight Paper spray mass spectrometry A new drug checking tool for harm reduction in the opioid overdose crisis

World Trade Center firefighters: Lung injury resistance biomarkers

Date: Sep 11, 2019

Author: Steve Down

Some New York firefighters who attended the World Trade Center collapse in 2001 have a known resistance to lung injury and their serum metabolome has been studied by US scientists to try and identify the components responsible, which could be valid therapeutic targets.

Read More thumbnail image: World Trade Center firefighters Lung injury resistance biomarkers

Journal Highlight: Perspectives of unicolored phosphor‐sensitized fluorescence

Date: Sep 10, 2019

Author: spectroscopyNOW

A multiscale model of a blue organic light emitting diode based on unicolored phosphor‐sensitized fluorescence has been developed, showing that appropriate material design can improve efficiency by more than 30% and extend operational lifetimes.

Read More thumbnail image: Journal Highlight Perspectives of unicolored phosphorsensitized fluorescence

Journal Highlight: Microsecond time‐resolved X‐ray diffraction for the investigation of fatigue behavior during ultrasonic fatigue loading

Date: Sep 9, 2019

Author: spectroscopyNOW

A new method based on time-resolved X-ray diffraction is proposed in order to measure the elastic strain and stress during ultrasonic fatigue loading experiments.

Read More thumbnail image: Journal Highlight Microsecond timeresolved Xray diffraction for the investigation of fatigue behavior during ultrasonic fatigue loading
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