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We'd like to understand how you use our websites in order to improve them. Register your interest. Lake Pampulha, an impoundment that is a major tourist focus within the municipality of Belo Horizonte, Minas Gerais state, Brazil, provides an example of degradation of aquatic environments by disorganised urbanization. We evaluated the current recreational suitability of the lake using state government monitoring data with reference to Brazilian legislation and a water quality index for contact recreation in Brazilian freshwaters, considering E. Our results show that, despite investments in pollution control, the recreational water quality of Lake Pampulha remains very poor. Contact recreation was most limited by persistent cyanobacterial blooms, but also faecal contamination and low visual water clarity.

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Clicking on the donut icon will load a page at altmetric. Find more information on the Altmetric Attention Score and how the score is calculated. Dendrons of one to four generations were synthesized from the building block and in a final step coupled to the core molecule. The focal point of the dendrons was protected by a benzyl ester group and deprotected by catalytic hydrogenolysis. The esterifications were performed by conversion of the acid into the corresponding acid chloride and followed by reaction of the acid chloride with the hydroxyl groups in the presence of triethylamine and dimethylaminopyridine.

Molecular self-diffusion studies of first, second, third, and fourth generation dendrimers were performed, in chloroform, using pulsed-field spin echo 1 H NMR spectroscopy. The effective radii of the dendrimers were estimated from the diffusion coefficients by assuming a spherical geometry for all dendrimers. The radii obtained were 7. View Author Information. Cite this: J. Article Views Altmetric -. Citations Cited By. This article is cited by publications. ACS Nano , 11 8 , Bioconjugate Chemistry , 28 4 , Marple, Joseph A.

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Challenges for contact recreation in a tropical urban lake: assessment by a water quality index

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These metrics are regularly updated to reflect usage leading up to the last few days. Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts. The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric. Find more information on the Altmetric Attention Score and how the score is calculated.

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