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Nanostructured colloidal crystals from forced hydrolysis methods
(American Chemical Society, 2009-08)
In this work, an original route for ZnO nanostructured spherical colloids and their assembly into colloidal crystals are presented. The temporal evolution of crystal size and shape was followed by X-ray diffraction and the ...
A general method to produce mesoporous oxide spherical particles through an aerosol method from aqueous solutions
(Springer, 2019-11-15)
Mesoporous transition metal oxides (MTMO) with large surface area, nanocrystalline framework, and controlled porosity have brilliant prospects in fields such as energy, environment, catalysis, or nanomedicine. However, the ...
Formation of zirconia foams using the thermostimulated sol-gel transition
(Elsevier B.V., 2002-06-01)
In this paper we describe the production of zirconia-based foams by a novel thermostimulated sol-gel route, that employs the foaming of colloidal suspensions prior to the sol-gel transition promoted by small increase of ...
Toxicological and histopathological effects of hydramethylnon on Atta sexdens rubropilosa (Hymenoptera: Formicidae) workers
(2013-02-01)
The leaf-cut ants are important agricultural pest, because they can cause intense defoliation in plants and destroy large areas cultivated. Although there are several works for the control of these insects by examining the ...
Toxicological and histopathological effects of hydramethylnon on Atta sexdens rubropilosa (Hymenoptera: Formicidae) workers
(2013-02-01)
The leaf-cut ants are important agricultural pest, because they can cause intense defoliation in plants and destroy large areas cultivated. Although there are several works for the control of these insects by examining the ...
White-faced monkey (Cebus capucinus) ecology and management in neotropical agricultural landscapes during the dry season
(Universidad de Costa Rica, 2001)
Micropartículas de quitosana estruturadas com aerosil®: estabilidade, adsorção, encapsulação e liberação de substâncias ativas
(Universidade Federal do Rio Grande do NorteBrasilUFRNPÓS-GRADUAÇÃO EM ENGENHARIA QUÍMICA, 2014-05-05)
Biodegradable microspheres used as controlled release systems are important in
pharmaceutics. Chitosan biopolymer represents an attractive biomaterial alternative
because of its physicochemical and biological characteristics. ...