HOME >> BIOLOGY >> NEWS
Tree rings show elevated tungsten coincides with Nevada leukemia cluster

e causes for the leukemia cases in Fallon (http://www.atsdr.cdc.gov/HAC/PHA/fallonair/finalair.pdf), tungsten was mentioned as "a contaminant of concern because it was elevated in urine samples" collected from Fallon-area residents as part of the investigation.

Previous research by Sheppard and his colleagues found elevated levels of tungsten and cobalt in airborne and surface dust and in lichens in Fallon.

The researchers also analyzed airborne tungsten particles from Fallon to determine their source. The analysis found that the particles "were anthropogenic in origin, not natural." The particles were relatively uniform in size, ranging from about 1.0 to 5.9 micrometers in diameter.

Particles less than 10 micrometers in diameter are small enough to be inhaled and have potential to cause health problems, according to the U.S. Environmental Protection Agency. (http://www.epa.gov/air/particlepollution/)

The research team's study on the characteristics of the tungsten particles has been accepted for publication by the journal Microscopy and Microanalysis.

Fallon is a community of about 8,000 located in Churchill County about 60 miles east of Reno, Nev. Tungsten is naturally present in soils and rocks in Churchill County and other parts of Nevada.

The metal was mined in the region around Fallon at various sites, including Churchill Butte. Tungsten, tungsten steels and tungsten carbide are used in hardened tools and tools exposed to high temperatures, such as drill bits and the filaments of incandescent light bulbs.

The increase in Fallon's childhood leukemia began around 1997. Heavy metals had been suggested as one possible environmental cause of cancers, so Ridenour and Witten began investigating how to conduct research on Fallon's environment.

Witten approac
'"/>

Contact: Mari N. Jensen
mnjensen@email.arizona.edu
520-626-9635
University of Arizona
30-Apr-2007


Page: 1 2 3 4

Related biology news :

1. MIT study: Maturity brings richer memories
2. Variant CJD -- Prion amplification breakthrough brings new insights and hopes for a blood test
3. Extracting eggs from pre-pubertal cancer patients brings hope for future fertility
4. Homing pigeons get their bearings from their beaks
5. Gold nanorods assemble themselves into rings
6. Dilbert of academia brings humor to talk at UH
7. Disorderly protein brings order to cell division
8. From hot springs to rice farms, scientists reveal new insights into the secret lives of archaea
9. $1 million Myers Fellowship brings US research techniques to Melbourne
10. Flying in tune: Buzz brings mosquito pairs together
11. Watching rocks grow: Theory explains landscape of geothermal springs

Post Your Comments:
(Date:8/18/2015)... Research and Markets ( http://www.researchandmarkets.com/research/9dmm6l/global_biometric ) ... Biometric Authentication & Identification Market: Focus On Modality, ... report to their offering. ... is expected to grow at an estimated CAGR ... over $25 billion (approximately) by 2020 as per ...
(Date:8/12/2015)... , Aug. 12, 2015  Synaptics Inc. (NASDAQ: ... interface solutions, today announced that four of its ... solution, have officially been named FIDO Certified™ by ... of the certification, Synaptics, Natural ID™ fingerprint solutions ... Authentication Framework (UAF) standard and are interoperable among ...
(Date:8/6/2015)... Germany , August 6, 2015 /PRNewswire/ ... SensoMotoric Instruments (SMI) shows the world,s first ... based on Epson,s Moverio BT-200 see-through head mounted display ... new solution, unprecedented quality and efficiency is brought to ... displays. For the first time, professionals and researchers can ...
Breaking Biology News(10 mins):Global Biometric Authentication & Identification Market 2015: Focus On Modality, Motility & Application - Estimation & Forecasts to 2020 for the $25 Billion Industry 2Synaptics Announces FIDO Certification of Natural ID Fingerprint Solutions 2Synaptics Announces FIDO Certification of Natural ID Fingerprint Solutions 3SMI Shows First Eye Tracking Upgrade for Augmented Reality Glasses 2SMI Shows First Eye Tracking Upgrade for Augmented Reality Glasses 3
(Date:9/4/2015)... ... September 04, 2015 , ... ... bioprinter, the BioBot 1, at the 2015 TERMIS World Congress in Boston. The ... and biomedical engineering institutions around the world. The printer is revolutionary for its ...
(Date:9/3/2015)... Sept. 3, 2015  Guardant Health®, the leader ... highlighting the performance and clinical utility of Guardant360® ... oral and poster presentations at the International Association ... Conference on Lung Cancer. These abstracts were submitted ... California, Davis; the University of Chicago; Sarah Cannon ...
(Date:9/3/2015)... India , September 3, 2015 ... Instruments Market by System (LC (HPLC, UHPLC, Flash), GC, ... Phase Columns, Syringe Filters, Vials) - Analysis & Global ... Market is expected to reach around 9.223 Billion by ... CAGR of 5.5%. Browse 141 tables and ...
(Date:9/2/2015)... Bermuda , Sept. 2, 2015 Axovant Sciences ... the treatment of dementia, today announced upcoming presentations at three ... PM at the Baird 2015 Healthcare Conference in ... , Thursday, September 10 at 2:00 PM at the ... at the Millennium Broadway Hotel & Conference Center , ...
Breaking Biology Technology:BioBots to Debut Desktop 3D Bioprinter for Living Tissue at TERMIS Global Tissue Engineering Conference in Boston 2BioBots to Debut Desktop 3D Bioprinter for Living Tissue at TERMIS Global Tissue Engineering Conference in Boston 3BioBots to Debut Desktop 3D Bioprinter for Living Tissue at TERMIS Global Tissue Engineering Conference in Boston 4Leading Cancer Centers to Present Clinical Utility Data For Guardant360 At IASLC's 16th World Conference on Lung Cancer in Denver Sept. 6-9 2Leading Cancer Centers to Present Clinical Utility Data For Guardant360 At IASLC's 16th World Conference on Lung Cancer in Denver Sept. 6-9 3Leading Cancer Centers to Present Clinical Utility Data For Guardant360 At IASLC's 16th World Conference on Lung Cancer in Denver Sept. 6-9 4Chromatography Instruments Market Worth $ 9.223 Billion by 2020 2Chromatography Instruments Market Worth $ 9.223 Billion by 2020 3Chromatography Instruments Market Worth $ 9.223 Billion by 2020 4Axovant Sciences To Present At Upcoming Investor Conferences 2Axovant Sciences To Present At Upcoming Investor Conferences 3
Cached News: