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Journal Highlight: Nuclear magnetic relaxation dispersion of murine tissue for development of T1 (R1) dispersion contrast imaging

Date: Jan 1, 2018

Author: spectroscopyNOW

The spin–lattice relaxation rate (R1) dispersion of murine tissues from 0.24 mT to 3 T has been assessed using a combination of ex vivo and in vivo spin–lattice relaxation rate measurements on murine tissue.

Read More thumbnail image: Journal Highlight Nuclear magnetic relaxation dispersion of murine tissue for development of T1 R1 dispersion contrast imaging

Journal Highlight: Determination of internal temperatures within nitric oxide inductively coupled plasmas

Date: Jan 1, 2018

Author: spectroscopyNOW

A dual, in situ broadband absorption and optical emission spectroscopy system was designed to study neutral and excited state species energetics in nitric oxide plasmas, specifically rotational and vibrational temperatures across a broad spectral range.

Read More thumbnail image: Journal Highlight Determination of internal temperatures within nitric oxide inductively coupled plasmas

Chemometrics gets to the root of TCM UHPLC data

Date: Jan 1, 2018

Author: Ryan De Vooght-Johnson

Morinda root, or ba ji tian, is commonly used in traditional Chinese medicine for a variety of conditions, but there is a lack of analytical methods that give an overall picture of the active compounds present. Researchers from the Institute of Medicinal Plant Development in China have developed a method using UHPLC to assay 11 bioactive compounds in morinda root, classifying samples by means of hierarchical cluster analysis, principal component analysis and partial least-squares discriminant analysis.

Read More thumbnail image: Chemometrics gets to the root of TCM UHPLC data

Journal Highlight: Fetal MRI compared with ultrasound for the diagnosis of obstructive genital malformations

Date: Dec 18, 2017

Author: spectroscopyNOW

A comparison of the accuracies of MRI and ultrasound to diagnose and characterize congenital obstructive genital abnormalities has shown that MRI facilitates assessment of major pelvic organs and provides significant information that may alter the prenatal management.

Read More thumbnail image: Journal Highlight Fetal MRI compared with ultrasound for the diagnosis of obstructive genital malformations

Journal Highlight: Polymorphism-aware protein databases – a prerequisite for an unbiased proteomic analysis of natural populations

Date: Dec 18, 2017

Author: spectroscopyNOW

Transcriptomic and proteomic data of two Drosophila melanogaster genotypes have been used to show the importance of polymorphism in protein databases, especially for the analysis of pooled individuals and the comparison of population samples.

Read More thumbnail image: Journal Highlight Polymorphism-aware protein databases  a prerequisite for an unbiased proteomic analysis of natural populations

Amyloidosis classification: MALDI mass spectrometric imaging

Date: Dec 15, 2017

Author: Steve Down

Scientists in Germany have used mass spectrometry imaging coupled with ion mobility separation to identify amyloid peptides in a proof-of-concept study that will allow different types of amyloidosis to be classified.

Read More thumbnail image: Amyloidosis classification MALDI mass spectrometric imaging

Big cat diets: Whisker isotopes track prey

Date: Dec 15, 2017

Author: Steve Down

The growth rate and stable isotope distribution of lion and leopard whiskers have been measured as a basis for mapping the diets of animals in the wild.

Read More thumbnail image: Big cat diets Whisker isotopes track prey

Methane mystery: Marine microbes X-rayed

Date: Dec 15, 2017

Author: David Bradley

Industry and agriculture generate vast quantities of methane, a potent greenhouse gas. However, marine microbes also represent an important source although exactly how is entangled in the "ocean methane paradox." Now, US researchers have used X-ray crystallography to explain it.

Read More thumbnail image: Methane mystery Marine microbes X-rayed

Hot attraction: Atomic interferometry

Date: Dec 15, 2017

Author: David Bradley

 Hot bodies attract atoms, contrary to what physicists had assumed. The proof is in the atom interferometry data from researchers in the USA. Steven Chu of Stanford University and formerly the University of California Berkeley, Claude Cohen-Tannoudji, and William Phillips used optical tweezers to observe the minute effect.

Read More thumbnail image: Hot attraction Atomic interferometry

One flu over: NMR insights

Date: Dec 15, 2017

Author: David Bradley

When you catch influenza, the virus hijacks the inner workings of your cells to make copies of itself. The copies accumulate in viral buds that then break free from the host cell to infect another host. Researchers at Massachusetts Institute of Technology have now used solid-state nuclear magnetic resonance (NMR) spectroscopy to obtain a clear picture of how these buds pinch off from the host cell membrane.

Read More thumbnail image: One flu over NMR insights
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