Articles

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Bioavailability of Cadmium in inexpensive jewelry (with Jennifer Miller, Daphne Guinn, and Janna Pearson), Environmental Health Perspectives (2011)

BACKGROUND: High cadmium (Cd) concentrations have recently been found in some inexpensive jewelry. In response,...

 

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Assessment of leaching potential of highly leaded jewelry (with B E. Newman and A Clever), Journal of Hazardous Materials (2010)

Lead is a potent neurotoxin particularly toxic to young children, and in response to recent...

 

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Constituents of Calamintha ashei: effects on Florida sandhill species (with M. A. Menelaou, H. P. Henandez, F. A. Macias, G. B. Williamson, F. R. Fronczek, H. D. Fischer, and N. H. Fischer), Natural Product Communications (2010)

Chemical constituents of the perennial shrub Calamintha ashei have been characterized as part of our...

 

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Direct and indirect effects of invasive plants on soil chemistry and ecosystem function (with Ragan M. Callaway), Journal of Chemical Ecology (2010)

Invasive plants have a multitude of impacts on plant communities through their direct and indirect...

 

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In Situ silicone tube microextraction: A new method for undisturbed sampling of root-exuded thiophenes from marigold (Tagetes erecta L.) in soil (with Brian K. Mohney, Tricia Matz, Jessica LaMoreaux, David S. Wilcox, Anne Louise Gimsing, and Philipp Mayer), Journal of Chemical Ecology (2009)

The difficulties of monitoring allelochemical concentrations in soil and their dynamics over time have been...

 

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Solid-phase root zone extraction (SPRE): a new methodology for measurement of allelochemical dynamics in soil (with Philip D. Boes and David S. Wilcox), Plant and Soil (2009)

Root exudates are implicated in the chemical defense of plants, but testing such hypotheses has...

 

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Lead contamination of inexpensive seasonal and holiday products., The Science of the Total Environment (2009)

Lead is a potent neurotoxin and because of this, the US regulatory limit for lead...

 

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Dynamic root exudation of sorgoleone and its in planta mechanism of action. (with Franck E. Dayan and J Lynn Howell), Journal of Experimental Botany (2009)

The oily droplets exuded from the root hairs of sorghum are composed of a 1:1...

 

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Lead contamination of inexpensive plastic jewelry (with Jamie L. Yost), Science of the total environment (2008)

The neurological hazards of lead to children are well-known. As a result of recent documented...

 

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Evidence of recycling of lead battery waste into highly leaded jewelry (with Micheal L. Clement), Chemosphere (2007)

Inexpensive highly leaded jewelry, much of it imported from China, remains widely available in the...

 

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Leaded electronic waste is a possible material for lead-contaminated jewelry (with Michael L. Clement), Chemosphere (2007)

Highly leaded jewelry, often imported from China, remains widely available in the United States. Leaded...

 

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Widespread lead contamination of imported low-cost jewelry in the US (with Michael L. Clement), Chemosphere (2007)

Recent recalls of lead-contaminated jewelry and the death of a Minnesota child by lead poisoning...

 

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Allelochemicals of polygonella myriophylla: chemistry and soil degradation (with John Romeo), Journal of Chemical Ecology (2004)

Gallic acid and hydroquinone have been identified as the major allelochemicals of the known allelopathic...

 

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Lead and civilization: a new general education science course (with Brian K. Mohney and Michael R. Hudson), Abstracts of Papers of the American Chemical Society (2002)
 

Contributions to Books

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Distinguished allelopathy from resource competition: the role of density, Allelopathy: a Physiological Process with Ecological Implications (2006)
 

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Allelochemicals as a mechanism for resisting invasion: the case of polygonella myriophylla (with John Romeo), Invasive Plants: Ecological and Agricultural Aspects (2005)
 

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Bioassays for allelopathy in terrestrial plants (with John T. Romeo), Methods in Chemical Ecology, Vol. 2, Bioassay methods (1998)