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Pesticide residues in surface water and sediments are extremely important because of their potential impacts on aquatic ecosystems and their implications on drinking water sources. Pesticide contamination of fresh water is causing concern with respect to long-term and low-dose effects of pesticides on public health, as well as their impact on no target species. Thus, intensive research on the fate...
Coloboma is one of the congenital ocular malformations presenting important diagnostic and therapeutic problems, especially in infants. Coloboma can be associated with microphthalmia frequently and macrophtalmia rarely. However, the association of coloboma, macrophthalmia, and orbital cyst was not reported previously in the literature. A case of coloboma associated with macrophtalmia and cyst was...
We present results from an investigation of the Pt/TiO 2 catalyst system using a combination of Z-contrast imaging and electron energy loss spectroscopy (EELS) in the scanning transmission electron microscope. Evidence of a strong interaction between the Pt particles and the support is found to be dependent on the Pt cluster size, being manifested either as an encapsulation of the Pt particles...
The electronic structure of hexagonal GaN is studied using two simulation techniques in order to develop a method to interpret the fine-structure of an experimental nitrogen K-edge electron energy loss spectrum obtained using a scanning transmission electron microscope. The application of these simulation methods to the bulk spectrum is a necessary first step in developing a fundamental understanding...
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