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Infrared dwarf: Icy world of slushy volcanoes

Date: Sep 1, 2011

Author: David Bradley

US astronomers have used infrared techniques to reveal that the dwarf planet, nicknamed Snow White, is an icy world half covered in water ice that once spewed from slush volcanoes. Their data also hints that the planet has an atmosphere of methane, that is gradually evaporating into space.

Read More thumbnail image: Infrared dwarf Icy world of slushy volcanoes

Journal Highlight: Measurement of the variation of crystal lattice structures of ethylene copolymers with high-resolution cryogenic FTIR spectroscopy

Date: Aug 2, 2011

Author:

A high-resolution cryogenic FTIR study of the variation of unit cell volume of ethylene-octene copolymers found that both the comonomer content and thermal history have great influence on the crystal lattice structure of ethylene polymers.

Read More thumbnail image: Journal Highlight Measurement of the variation of crystal lattice structures of ethylene copolymers with high-resolution cryogenic FTIR spectroscopy

Pores for thought: Zeolite catalysts open wide

Date: Aug 1, 2011

Author: David Bradley

Researchers in China have developed a new process for making zeolite catalysts with wide open pores. Their controllable synthesis leads to materials active in the conversion of methanol to propylene with a high, 98%, conversion rate.

Read More thumbnail image: Pores for thought Zeolite catalysts open wide

Journal Highlight: Understanding inverse oxygenation responses during motor imagery: a functional near-IR spectroscopy study

Date: Jul 4, 2011

Author:

Wireless functional near-infrared spectroscopy was performed over secondary motor areas during performance of motor imagery and motor execution in 11 healthy subjects, who either executed or imagined two drawing tasks differing in shape and frequency.

Read More thumbnail image: Journal Highlight Understanding inverse oxygenation responses during motor imagery a functional near-IR spectroscopy study

Glowing grains: NIR ID for parathyroid glands

Date: Jul 1, 2011

Author: David Bradley

Researchers have discovered that the parathyroid glands - four small organs each the size of a grain of rice located at the back of the throat - glow with a natural fluorescence in the near infrared. The finding has led to the development of an optical detector for highlighting the glands during endocrine surgery to avoid damage to these essential organs.

Read More thumbnail image: Glowing grains NIR ID for parathyroid glands

Journal Highlight: The application of visible/near-infrared reflectance (VNIR) spectroscopy to chert: A case study from the Dover Quarry sites, Tennessee

Date: Jun 6, 2011

Author:

The application of visible/near-infrared reflectance spectroscopy to chert sourcing attains a cost-efficient, fast, non-destructive, and accurate means of identifying material type and geologic/geographic origin, exemplified by a case study from the Dover Quarry sites, Tennessee.

Read More thumbnail image: Journal Highlight The application of visiblenear-infrared reflectance VNIR spectroscopy to chert A case study from the Dover Quarry sites Tennessee

Slipped disc gel: microbial remedy

Date: Jun 1, 2011

Author: David Bradley

Viable nucleus pulposus (NP) implant materials for repairing damaged intervertebral discs, comprising novel hydrogels, have been developed and studied using the techniques of Fourier-tranform infrared and nuclear magnetic resonance spectroscopy.

Read More thumbnail image: Slipped disc gel microbial remedy

Journal Highlight: Infrared spectroscopy and integrated molar absorptivity of C60 and C70 fullerenes at extreme temperatures

Date: May 2, 2011

Author:

The temperature dependences of the wavelength shift and integrated molar absorptivity of the infrared bands of the C60 and C70 fullerenes were determined and extrapolated to derive the values at absolute zero temperature.

Read More thumbnail image: Journal Highlight Infrared spectroscopy and integrated molar absorptivity of C60 and C70 fullerenes at extreme temperatures

FOG overflow: IR clues to drainage problems

Date: May 1, 2011

Author: David Bradley

It is perhaps no real surprise to any chemist who has unblocked a drain clogged with white lardy deposits, but new FTIR spectroscopic evidence confirms that degraded fat, oil and grease (FOG) reacts with calcium compounds in the murky water of drains to form hardened deposits that are, to all intents and purposes, composed of soap, leading to blockages and overflows.

Read More thumbnail image: FOG overflow IR clues to drainage problems

Journal Highlight: Discrimination of seasonality in cheeses by near-infrared technology

Date: Apr 4, 2011

Author:

Rapid prediction of the fat content of cheeses and the seasonal origin (winter or summer) of milk was achieved using near-infrared spectroscopy without previous destruction or treatment of samples.

Read More thumbnail image: Journal Highlight Discrimination of seasonality in cheeses by near-infrared technology
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