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Journal Highlight: Quantitative total reflection X-ray fluorescence analysis of directly collected aerosol samples

Date: Oct 9, 2017

Author: spectroscopyNOW

A feasibility study investigating the use of total reflection X-ray fluorescence analysis for the quantification of elements in directly collected aerosol samples is described.

Read More thumbnail image: Journal Highlight Quantitative total reflection X-ray fluorescence analysis of directly collected aerosol samples

Journal Highlight: Ratiometric fluorescence detection of anthrax biomarker with EuIII-EDTA functionalized mixed poly(diacetylene) liposomes

Date: Oct 9, 2017

Author: spectroscopyNOW

Poly(diacetylene acid)-derived liposomes functionalized with Eu(III)-EDTA complexes have been developed as a ratiometric fluorescence detection system for the anthrax biomarker dipicolinate.

Read More thumbnail image: Journal Highlight Ratiometric fluorescence detection of anthrax biomarker with EuIII-EDTA functionalized mixed polydiacetylene liposomes

New 1.2 GHz NMR Spectrometers - New Horizons?

Date: Oct 3, 2017

Author: Prof. Dr. Harald Schwalbe

The latest ultrahigh-field NMR spectrometers are a huge technological challenge that require large financial investments. In his Guest Editorial written in the July issue of Angewandte Chemie, Harald Schwalbe justifies the need for spectrometers with higher magnetic field strengths. The important results from previous generations of high-field NMR spectrometers are discussed, and research areas are identified that will benefit from the latest spectrometers.

Read More thumbnail image: New 1_2 GHz NMR Spectrometers - New Horizons

Discover leading research in cannabis detection

Date: Oct 3, 2017

Author:

Cannabinoid research from an analytical viewpoint is rapidly developing as a more liberal approach to the medical, legal and social issues of the drug is adopted. Start reading our cannabinoid collection of papers here - free to access until the end of December.

Read More thumbnail image: Discover leading research in cannabis detection

Journal Highlight: Lipoprotein particle concentration measured by nuclear magnetic resonance spectroscopy is associated with gestational age at delivery: a prospective cohort study

Date: Oct 2, 2017

Author: spectroscopyNOW

The complex relationship between maternal lipoproteins and preterm birth has been studied using NMR to measure lipoprotein particle levels in the blood of women at 24-29 weeks gestation.

Read More thumbnail image: Journal Highlight Lipoprotein particle concentration measured by nuclear magnetic resonance spectroscopy is associated with gestational age at delivery a prospective cohort study

Journal Highlight: Quantification of cocaine in ternary mixtures using partial least squares regression applied to Raman and Fourier transform infrared spectroscopy

Date: Oct 2, 2017

Author: spectroscopyNOW

FTIR and Raman spectroscopy have been used to to identify and quantify substances found at the locations of suicide attempts, poisonings, and drug consumption sites, including crack samples containing a cocaine base and adulterants commonly seized in drug busts, such as caffeine, lidocaine, and sodium carbonate.

Read More thumbnail image: Journal Highlight Quantification of cocaine in ternary mixtures using partial least squares regression applied to Raman and Fourier transform infrared spectroscopy

Journal Highlight: Quantitative and qualitative analysis of three classes of sulfur compounds in crude oil

Date: Oct 2, 2017

Author: spectroscopyNOW

Three different classes of sulfur species present in crude oils have been quantified by LC separation and on-line detection and quantification by ICP-MS/MS, which will facilitate the optimization of desulfurization conditions during fuel production.

Read More thumbnail image: Journal Highlight Quantitative and qualitative analysis of three classes of sulfur compounds in crude oil

Journal Highlight: Raman microspectroscopic mapping: A tool for identification of fused materials in fire debris

Date: Oct 2, 2017

Author: spectroscopyNOW

Raman microspectroscopy mapping has been demonstrated for material identification postfire in complex situations, such as the production of fused masses during fire dropdown, analysing a 10 μm × 10 μm square of the masses.

Read More thumbnail image: Journal Highlight Raman microspectroscopic mapping A tool for identification of fused materials in fire debris

Ambient mass spectrometry: Airborne contaminants

Date: Oct 1, 2017

Author: Steve Down

Ambient mass spectrometry is touted as a fast and simple technique buoyed by minimal sample preparation requirements, but users should be wary of airborne contaminants, say US researchers, as they can complicate spectra in unexpected ways.

Read More thumbnail image: Ambient mass spectrometry Airborne contaminants

SCUBA diver proteome: Decompression stress vs. decompression sickness

Date: Oct 1, 2017

Author: Steve Down

In a follow-up study of the effects of decompression sickness on the proteome of rats, an international team of scientists has examined the effects of decompression stress on SCUBA divers in the absence of decompression sickness.

Read More thumbnail image: SCUBA diver proteome Decompression stress vs_ decompression sickness
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