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Studies have revealed that bullying victimization was a risk factor for symptoms of depression, however, less is known about the underlying processes that may mediate or moderate this relationship. This study examined the mediating effect of resilience and moderating effect of mindfulness in the relation between bullying victimization and symptoms of depression. 448 Chinese children in grade 3 to grade 6 were recruited to complete the revised Bully/Victim Questionnaire, the Chinese version of Center for Epidemiologic Studies Depression Scale for Children, the Child and Youth Resilience Measure, as well as the Child and Adolescent Mindfulness Measure. Results showed that resilience partially mediated the relation between bullying victimization and depressive symptoms. Besides, both the effect of bullying victimization on depressive symptoms and the mediating effect of resilience were moderated by mindfulness, and both of the two effects were stronger for children with low mindfulness. The present study can contribute to a better understanding of how and when bullying victimization increases the risk of depression. It suggests that early intervention concerning diminishing negative effects of bullying victimization may start with increasing individual resilience and mindfulness.
Micellar electrokinetic electrophoresis was employed to determine two active components, gentiopicroside (GE) and swertiamarin (SW) in one Tibetan preparation medicine named shiweilongdankeli, two Tibetan herbal medicines named Gentiana rhodantha and Gentiana kitag and three other Chinese Gentiana medicines named Gentiana scabra, Gentiana rigescens and Gentiana macrophylla. The dissociation constants of gentiopicroside and swertiamarin determined by MEKC were 7.71 and 6.25. The optimum buffer system was 70 mm borate-10 mm sodium dodecylsulfate (SDS) -6% (v/v) ispropanol (pH 9.0). The voltage was 15 kV and detection was at 254 nm. The lower limits of detection (defined as a signal-to-noise ratio of about 3) were approximately 3.86 mg L(-1) for GE and 5.88 mg L(-1) for SW. The relative standard deviation of the migration time and peak area of the GE and SW were 2.33, 2.47 and 1.27, 2.19%, respectively and the recoveries of the two compounds were 96-104% for GE and 92-102% for SW.; Copyright 2003 John Wiley & Sons, Ltd.