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Dough: NIRS tests low-gluten wheat

Date: Apr 1, 2016

Author: David Bradley

Near-infrared spectroscopy (NIRS) can be used to distinguish between strains of wheat of low gliadin content that have been produced by RNA interference (RNAi), from non-transgenic wheat lines and so might be a suitable food for people with coeliac disease.

Read More thumbnail image: Dough NIRS tests low-gluten wheat

Journal Highlight: Determination of volatile concentrations in fluorapatite of Martian shergottite NWA 2975 by combining synchrotron FTIR, Raman spectroscopy, EMPA, and TEM, and inferences on the volatile budget of the apatite host-magma

Date: Mar 8, 2016

Author: spectroscopyNOW

Polarized synchrotron-based FTIR spectroscopy has been used with other techniques to identify and quantify structurally bound OH, F, Cl, and CO3 groups in fluorapatite from the Northwest Africa 2975 shergottite.

Read More thumbnail image: Journal Highlight Determination of volatile concentrations in fluorapatite of Martian shergottite NWA 2975 by combining synchrotron FTIR Raman spectroscopy EMPA and TEM and inferences on the volatile budget of the apatite host-magma

Laser challenge: Infrared pulse

Date: Mar 1, 2016

Author: David Bradley

Researchers in the UK have designed and constructed a new type of laser that can generate pulsed or continuous mid-infrared (IR) emission in the challenging 3.1 to 3.2 micrometre wavelength range.

Read More thumbnail image: Laser challenge Infrared pulse

Journal Highlight: Perioperative use of cerebral and renal near-infrared spectroscopy in neonates: a 24-h observational study

Date: Feb 8, 2016

Author: spectroscopyNOW

NIRS has been used to measure regional tissue oxygen saturation in neonates and premature infants undergoing noncardiac surgeries, proving effective at detecting hypoxic events and postoperative apneas.

Read More thumbnail image: Journal Highlight Perioperative use of cerebral and renal near-infrared spectroscopy in neonates a 24-h observational study

Laser combover: Calibrating exoplanets

Date: Feb 1, 2016

Author: David Bradley

Optical rulers, more correctly known as laser frequency combs, could be used to calibrate the infra-red spectra recorded by astronomers hunting for Earth-like exoplanets. The combs facilitate precision measurements that can reveal the gravitational pull of planets orbiting distant stars.

Read More thumbnail image: Laser combover Calibrating exoplanets

Journal Highlight: FTIR, XRD and SEM analysis of ginger powders with different size

Date: Jan 15, 2016

Author: spectroscopyNOW

The effects of grinding treatment on the chemical properties of ginger powder were studied using FTIR spectroscopy, X-ray diffraction and SEM.

Read More thumbnail image: Journal Highlight FTIR XRD and SEM analysis of ginger powders with different size

Geometric resonator: Tuning the infrared

Date: Jan 7, 2016

Author: David Bradley

Meta material resonators that allow emission in the infrared to be tuned through changes in the geometry of the resonator have been demonstrated by scientists in France.

Read More thumbnail image: Geometric resonator Tuning the infrared

Journal Highlight: Estimating the modal mineralogy of eucrite and diogenite meteorites using visible–near infrared reflectance spectroscopy

Date: Dec 15, 2015

Author: spectroscopyNOW

Hapke and Shkuratov radiative transfer models were implemented to simultaneously estimate mineral abundances and particle size from VIS–NIR reflectance spectra of eucrite and olivine-bearing (harzburgitic) diogenite meteorites.

Read More thumbnail image: Journal Highlight Estimating the modal mineralogy of eucrite and diogenite meteorites using visiblenear infrared reflectance spectroscopy

Dimming star: Cometary commentary

Date: Dec 1, 2015

Author: David Bradley

Data from the Infrared Array Camera of NASA's Spitzer Space Telescope reported in Astrophysical Journal Letters suggest that fragments of a shattered comet are the explanation of the dimming of the mysterious "double" star KIC 8462852 that seemed to defy the laws of physics.

Read More thumbnail image: Dimming star Cometary commentary

Journal Highlight: Effect of gas cell pressure in FTIR analysis of fire effluents

Date: Nov 15, 2015

Author: spectroscopyNOW

The experimental and numerical evaluation of pressure effects in the FTIR analysis of fire effluent gases has been examined, including the feasibility and limitations of pressure corrections.

Read More thumbnail image: Journal Highlight Effect of gas cell pressure in FTIR analysis of fire effluents
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