The H-02 constructed wetland was designed to remove metals (primarily copper and zinc) to treat building process water and storm water runoff from multiple sources associated with the Tritium Facility at the DOE-Savannah River Site, Aiken, SC. The concentration of Cu and Zn in the sediments has increased over the lifetime of the wetland and is a concern. A bioremediation option was investigated at the laboratory scale utilizing a newly isolated bacterium of the copper metabolizing genus Cupriavidus isolated from Tim's Branch Creek, a second-order stream that eventually serves as a tributary to the Savannah River, contaminated with uranium and other metals including copper, nickel, and mercury.
View Article and Find Full Text PDFObjectives: The purpose of this study was to evaluate the effectiveness of vapocoolant for preschoolers' immunization injection pain relief.
Methods: Fifty-seven 4 to 6-year-old children were randomized into vapocoolant alone or typical care conditions. Pain was measured at the baseline and at injection via self-report, caregiver report, nurse report, and by an observational scale.
Some children with autism have excessive daytime sleep but intervention research for this problem has not been conducted. The present study evaluated procedures with a 13 year old boy who had autism and slept for prolonged periods during the day. Classroom staff at a specialized school implemented procedures with the boy according to an ABAB experimental design.
View Article and Find Full Text PDFDistraction has been shown to be an effective technique for managing pain in children; however, few investigations have examined the utility of this technique with infants. The goal of the current study was to investigate the effectiveness of movie distraction in reducing infants' immunization distress. Participants were 136 infants (range=1-21 months; M=7.
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