F26 Evaluation of analytical figures of merit for rapid screening of toxic elements in food via EDXRF

Palmer, Peter T.; Yamamoto, K.; Webber, S.; Ferguson, K.; Jacobs, R.

doi:10.1154/1.2219812

Cited by 1 publication

(2 citation statements)

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Section: Overview Of In Vitro Xrf Applications In Medicinementioning

confidence: 99%

“…Lead and other toxic elements, e.g., arsenic, mercury, and selenium, may be present in food stuff such as juice, yogurt, and chocolate as well as in certain medicine. Normally these are tested by complicated methods, but, in situations where the demands on accuracy and sensitivity may be lower, XRF seems to be an alternative according to a joint study by the FDA and a research group ͑Jacobs and Palmer et al, 2006͒. The Franklin expedition was to map out the North-West Passage from Europe to Asia, i.e., a sea route linking the Atlantic and Pacific Oceans. The three ships with 129 men were trapped in thick ice in the winter of 1846-1847 and subsequently the ships were abandoned and the crew tried to find help in small groups.…”

Section: B Chromium/leadmentioning

confidence: 99%

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Medical applications of X-ray fluorescence for trace element research

Börjesson¹,

Mattsson

2007

Powder Diffr.

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Techniques for estimation of element levels directly in humans (noninvasivein vivo) or in samples (in vitro) from humans are reviewed. Toxic, nonessential, trace elements may cause temporary or permanent damage to various organs and tissues in humans. There is thus a need to control the concentrations. Knowledge of the relations between toxic effects and element concentration may be extracted from measurements in humans as well as in samples from humans and her environment. Applications traditionally include occupationally exposed subjects, but an increasing research area is studies of members of the general population and of patients undergoing therapy for malignant and other diseases. Mostin vivoXRF studies deal with lead in bone and cadmium in kidneys. For retired lead workers, a clear association has been demonstrated between bone lead and blood lead, due to endogenous lead excretion from the skeleton. A study of mercuryin vivoshowed that the technique is capable of detecting mercury in heavily exposed worker’s kidneys.In vivoXRF in cancer and rheumatology patients has helped to understand how platinum and gold are retained in the human body. The newestin vivoapplications include zinc in prostate gland and arsenic in skin.

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Section: Overview Of In Vitro Xrf Applications In Medicinementioning

confidence: 99%

Section: B Chromium/leadmentioning

confidence: 99%