Decoupling Fe Application and Bioaugmentation in Space and Time Enables Microbial Reductive Dechlorination of Trichloroethene to Ethene: Evidence from Soil Columns.

Fe is a powerful chemical reductant with applications for remediation of chlorinated solvents, including tetrachloroethene and trichloroethene. Its utilization efficiency at contaminated sites is limited because most of the electrons from Fe are channeled to the reduction of water to H rather than to the reduction of the contaminants. Coupling Fe with H-utilizing organohalide-respiring bacteria (i.

A Novel Nontraumatic Gingival Retraction Method for a Single-Unit Crown Impression.

Until now, there have been three traditional options for gingival retraction procedures, mechanical, chemicomechanical, and surgical methods, which have a degree of trauma that varies according to the clinical experience. The gingival tissue may be very delicate and susceptible to recession if too much trauma was applied. This article describes a novel nontraumatic gingival retraction method, without cords, chemicals, surgery, or any special equipment.

Synergistic Zerovalent Iron (Fe) and Microbiological Trichloroethene and Perchlorate Reductions Are Determined by the Concentration and Speciation of Fe.

Trichloroethene (TCE) and perchlorate (ClO) are cocontaminants at multiple Superfund sites. Fe is often used during TCE bioremediation with to establish anoxic conditions in the aquifer. However, the synergy between Fe abiotic reactions and microbiological TCE and ClO reductions is poorly understood and seldom addressed in the literature.

Effect of Fluoxetine on Obsessive-Compulsive Behaviors in Children and Adolescents With Autism Spectrum Disorders: A Randomized Clinical Trial.

Importance: Selective serotonin receptor inhibitors are prescribed to reduce the severity of core behaviors of autism spectrum disorders, but their efficacy remains uncertain.

Objective: To determine the efficacy of fluoxetine for reducing the frequency and severity of obsessive-compulsive behaviors in autism spectrum disorders.

Design, Setting, And Participants: Multicenter, randomized, placebo-controlled clinical trial.

Differentiating Autism Spectrum Disorder From ADHD Using the Social Communication Questionnaire.

Objective: This study examined the ability of the Social Communication Questionnaire (SCQ) to differentiate between autism spectrum disorder (ASD), ADHD, and typically developing (TD) children.

Method: Children ( M = 11.27 years, SD = 3.