نتایج جستجو برای: anthraquinone
تعداد نتایج: 1891 فیلتر نتایج به سال:
In the last few decades, anthraquinone and its derivatives (AQs) have been intensively applied to electrochemical, textile dye, photovoltaic industries. This has increased levels of AQs in natural environment threatens human health. To remove from aqueous phase recover these multi-functional molecules, a binary magnetic adsorbent, reduced graphene/Fe3O4 (rGO/Fe3O4), was synthesized via hydrothe...
Sexual attraction is an essential part of sex, just as the instrumental and expressive traits are the mainstay of gender. Various hypotheses concerning the dimensionality and independence versus dependence/overlapping of these core entities were tested. A group of 423 university students completed the Sexual Attraction Questionnaire (SAQ; Fernández, Quiroga, and Rodríguez, 2006) and the 12-item...
Computer-assisted interviewing techniques have increasingly been used in program and research settings to improve data collection quality and efficiency. Little is known, however, regarding the use of such techniques with American Indian (AI) adolescents in collecting sensitive information. This brief compares the consistency of AI adolescent mothers' reporting of sensitive sexual and drug use ...
Our ongoing investigations on the stem bark of Mesua beccariana afforded a novel cyclodione coumarin, beccamarin, together with two known xanthones, mesuarianone, mesuasinone, two anthraquinones, 4-methoxy-1,3,5-trihydroxy-anthraquinone and 2,5-dihydroxy-1,3,4-trimethoxyanthraquinone and one coumarin, mammea A/AB. The structures were elucidated by 1D and 2D NMR and MS techniques.
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