Uma argila bentonita natural (Bofe) proveniente de um depósito localizado em Boa Vista (PB-Brasil) foi submetida a dois processos intercalação diferentes, tais como organofuncionalização, usando cátions hexadeciltrimetilamônio diferentes concentrações e pilarização, o íon keggin alumínio. As amostras foram caracterizadas por difração raios X aplicadas testes adsorção do corante orgânico Rodamin...

objective(s):ethnopharmacological field surveys demonstrated that many plants, such as gentiana olivieri, helichrysum graveolens, helichrysum plicatum ssp. plicatum, juniperus oxycedrus ssp. oxycedrus, juniperus  communis var. saxatilis, viscum album (ssp. album, ssp. austriacum), are used as traditional medicine for diabetes in different regions of anatolia. the present study was designed to e...

the rose sawfly, arge rosae linnaeus, is one of the most destructive pests of rose bushes in the north of iran. nowadays, many attempts have been made to reduce pesticide application by looking for new methods of pest control. a non chemical method for controlling insect pests including a. rosae can be achieved by using genetically engineered plants expressing carbohydrase inhibitors. therefore...