Based on the questionnaire to students UNNES Natural Sciences Department of Chemistry, professor of learning methods are still in the form of lectures and such very boring for students.Moreover, the material is an organic chemistry lecture course, especially the less favored and considered difficult by students because it is abstract, so it needs t
A study on the ability of new microbial strains to assimilate biodiesel-derived glycerol VTX at low purity (75% w/w) and produce extra-cellular platform chemical compounds of major interest was carried out.After screening several bacterial strains under different fermentation conditions (e.g., pH, O2 availability, glycerol purity), three of the scr
Background: Insomnia seems to be related to disability, risk VTX of injury, metabolic syndrome, risk for cardiovascular diseases, cognitive impairment, depression and impaired quality of life.Objectives: The goals in this paper was (1) to keep track of technological concepts and approaches to improve insomnia in elderly people, and (2) to define th