Sep 21, 2009

Dental Lead, Lung Cancer and Monopoles

Posted in Science at 1:00 pm by David Bradley -- Click to comment

This week’s ezines on SpectroscopyNOW are now live, featuring a breath test for lung cancer, magnetic monopoles, a way to boost fuel cells, and reducing toxic waste from dental surgeries.

Extracting the dental lead – Lead contamination in the black paper used to mask dental X-ray paper has been determined for the first time using AAS. The worrying results suggest that the used material represents an environmental waste problem requiring pre-treatment before disposal.

I asked the …

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Aug 21, 2009

Toxic Sunscreen

Posted in Science at 1:00 pm by David Bradley -- 2 Comments; add yours

Toxic sunscreen testing – Regardless of the debate on whether or not you can have too little sunshine on your skin, it is important to remember that currently there is no standard tests for monitoring toxic heavy metals contained in sunscreen creams.

Now, researchers in Greece have demonstrated that a sophisticated, but relatively straightfoward technique can be used to simultaneously determine levels of the inorganic UV filter, titanium dioxide, and several …

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Jun 17, 2009

Cannabis Cancer, Toxic Waste, Antibiotics

Posted in Science at 1:00 pm by David Bradley -- 1 Comment

The latest science news with an analytical bent from yours truly, now available in the SpectroscopyNOW ezines:

Cannabis blow back – A highly sensitive new chemical test has allowed European scientists to obtain “convincing evidence” that marijuana smoke damages DNA in ways that could increase the risk of cancer.

Toxic shock – Researchers in Spain are evaluating the “ecotoxic” properties of hazardous and toxic wastes for the aquatic environment. They suggest that …

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