A new, efficient and mild method for the direct oxidation of selenides to selenones using magnesium bis(monoperoxyphthalate) hexahydrate (MMPP) has been developed. Noteworthy this transformation proceeds at room temperature, employs a cheap and safety oxidant and has a broad functional group tolerance. Moreover, the produced selenones could be useful intermediates for the synthesis of different...

The purpose was to explore the educational potential accessible with the aid of international communications networks and computer-mediated communication mainly as seen by the participating Finnish students. This was associated with students’ attitudes and preferences to teaching practices and teaching tools. A more general purpose was to examine gender sensitivity of e-mail and the question of...

Childhood obesity is increasing in frequency worldwide with including developing countries, while it was considered previously as the disease of first world or rich people. The aim to assess prevalence overweight and associated risk factors obese children visiting Al-Kindy Obesity Unit. Throughout a period started December 1, 2019 February 29, 2020 Baghdad, 109 were randomly involved, 69 (63.3%...

Proponents of single-sex (SS) education believe that separating boys and girls, by classrooms or schools, increases students' achievement and academic interest. In this article, we use meta-analysis to analyze studies that have tested the effects on students of SS compared with coeducational (CE) schooling. We meta-analyzed data from 184 studies, representing the testing of 1.6 million students...

BACKGROUND & OBJECTIVES In a routine community health survey conducted in adult Adivasis of the costal Maharashtra, microcytosis and hyprochromia were observed in more than 80 per cent of both males and females having normal haemoglobin levels suggesting the possibility of α-thalassaemia in these communities. We conducted a study in Adivasi students in the same region to find out the magnitude ...

ôbjective: previous studies have suggested that anxiety disorders are more prevalent among women than men. the purpose of this study was to compare the metacognitive perspective of generalized ânxiety disorder (gâd) in females with males. methods: â cross sectional study was conducted on the high school girls and boys who have been affected by gâd. the sample consisted of 100 high school studen...