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Effects of ultraviolet radiation on marine phytoplankton

This thesis examines the effects of artificial and solar ultraviolet radiation on photosynthesis, growth rate, phototactic orientation and motility of marine phytoplankton. The effects of UV-B (280-320 nm) radiation in combination with humic substances, as well as the ability of the organisms to adapt and/or recover from exposure to UV-B radiation, were also investigated. Phototactic orientation a

Cognitive-behavioral therapy for PTSD in children and adolescents: A preliminary randomized controlled trial.

Objective: To evaluate the efficacy of individual trauma-focused cognitive-behavioral therapy (CBT) for treating posttraumatic stress disorder (PTSD) in children and young people. Method: Following a 4-week symptom-monitoring baseline period, 24 children and young people (8Y18 years old) who met full DSM-IV PTSD diagnostic criteria after experiencing single-incident traumatic events (motor vehicle