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Breast implants: Testing for contamination

Date: Feb 1, 2012

Author: David Bradley

UV-Vis spectroscopy is one of the analytical tools used to test the safety of breast implant implantation based on a funnel, as opposed to digital method. Results show that overt infection and biofilm formation might be better avoided using the funnel technique to avoid contamination.

Read More thumbnail image: Breast implants Testing for contamination

Journal Highlight: Evaluating fluorescence and ultraviolet photometry to assess dissolved organic matter removal during coagulation-flocculation

Date: Jan 16, 2012

Author:

Ultraviolet absorption at 254 nm and the intensities of fluorescence peaks corresponding to humic, fulvic and protein-like material were evaluated to assess dissolved organic carbon (DOC) removal during coagulation-flocculation.

Read More thumbnail image: Journal Highlight Evaluating fluorescence and ultraviolet photometry to assess dissolved organic matter removal during coagulation-flocculation

Five-star restaurant effluent: UV on the menu

Date: Jan 5, 2012

Author: David Bradley

A water-quality system based on multiple sensors, UV-Vis spectroscopy, and turbidity measurements can be used to monitor waste water from restaurants and other sites. Writing in the journal Water Research, the developing team offers a case study as proof of principle.

Read More thumbnail image: Five-star restaurant effluent UV on the menu

Journal Highlight: Dipolar versus octupolar triphenylamine-based fluorescent organic nanoparticles as brilliant one- and two-photon emitters for (bio)imaging

Date: Dec 12, 2011

Author:

Two related triphenylamine-based dipolar and octupolar fluorophores were used to prepare aqueous suspensions of fluorescent organic nanoparticles exhibiting extremely high one- and two-photon brightness, superior to those obtained for quantum dots.

Read More thumbnail image: Journal Highlight Dipolar versus octupolar triphenylamine-based fluorescent organic nanoparticles as brilliant one- and two-photon emitters for bioimaging

Recycling hydrogen: A galactic enterprise

Date: Dec 1, 2011

Author: David Bradley

Galaxies recycle immense volumes of hydrogen gas and heavy elements. In so doing they help to build successive generations of stars in processes that stretch out across billions of years, according to data obtained using the ultraviolet-sensitive Cosmic Origins Spectrograph.

Read More thumbnail image: Recycling hydrogen A galactic enterprise

Journal Highlight: In vivo measurement of bladder wall oxygen saturation using optical spectroscopy

Date: Nov 7, 2011

Author:

The first in vivo measurements of oxygen saturation in the walls of human bladders with normal function have been reported as proof of principle for using this marker to explore bladder dysfunction.

Read More thumbnail image: Journal Highlight In vivo measurement of bladder wall oxygen saturation using optical spectroscopy

Autumn leaves: Different this year thanks to spectroscopy

Date: Nov 1, 2011

Author: David Bradley

Ultraviolet spectroscopy, as well as NMR and mass spectrometry, have been used by an Austrian team to reveal the existence of a previously unknown chlorophyll decomposition product in the autumn leaves of Norway maples. The novel structure suggests an entirely different degradation route not seen in other deciduous trees is present. The work suggests that the route is more akin to the formation of bile pigment from broken down haemoglobin.

Read More thumbnail image: Autumn leaves Different this year thanks to spectroscopy

Journal Highlight: Template-assisted fabrication and characterization of photoluminescent polymer nanopillars

Date: Oct 10, 2011

Author:

A process has been described for the fabrication of photoluminescent nanopillars by replication from nanoporous anodic alumina via template wetting using polymer from different chemical families.

Read More thumbnail image: Journal Highlight Template-assisted fabrication and characterization of photoluminescent polymer nanopillars

Fungal production: Nanobiocomposite for pollution control

Date: Oct 1, 2011

Author: David Bradley

A whole raft of techniques, including UV-Vis spectroscopy has been used to characterise systematically biological composites containing silver-nanocrystals produced by the fungus Cylindrocladium floridanum in a novel, environmentally benign biological process. The biocomposite can rapidly degrade the widespread toxic pollutant nitrophenol.

Read More thumbnail image: Fungal production Nanobiocomposite for pollution control

Journal Highlight: Dual-color fluorescence lifetime correlation spectroscopy to quantify protein-protein interactions in live cell

Date: Sep 6, 2011

Author:

Problems with crosstalk in dual-color fluorescence correlation spectroscopy studies of protein interactions in living cells have been overcome with an approach based on fluorescence lifetime correlation spectroscopy.

Read More thumbnail image: Journal Highlight Dual-color fluorescence lifetime correlation spectroscopy to quantify protein-protein interactions in live cell
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