Buscar
Mostrando ítems 1-10 de 6368
Acute and subacute (28 days) oral toxicity assessment of the oil extracted from Acrocomia aculeata pulp in rats
(Elsevier B.V., 2014-12-01)
Acrocomia aculeata, popularly known as "bocaitiva", is a species used for nutritional purposes and for the treatment of various diseases, as it has, among other things, high levels of antioxidant compounds. This ...
Toxicity assessment of arsenic and cobalt in the presence of aquatic humic substances of different molecular sizes
(2017-05-01)
The release of contaminants in aquatic ecosystems can be influenced by humic acids. In this study, toxicity tests using environmentally relevant concentrations of arsenic and cobalt were conducted both in the presence and ...
Toxicity assessment of arsenic and cobalt in the presence of aquatic humic substances of different molecular sizes
(Elsevier B.V., 2017-05-01)
using environmentally relevant concentrations of arsenic and cobalt were conducted both in the presence and absence of aquatic humic substances (AHS) and the fractions of different molecular sizes in the range of (< 5, ...
Sediment toxicity identification evaluation (TIE phases I and II) based on microscale bioassays for diagnosing causes of toxicity in coastal areas affected by domestic sewage
(Wiley, 2017)
Domestic sewage is a major problem in highly urbanized coastal areas worldwide. In the present study, toxicity identification evaluation (TIE) phases I and II were applied to sediment interstitial water from 2 locations ...
Sediment toxicity identification evaluation (TIE phases I and II) based on microscale bioassays for diagnosing causes of toxicity in coastal areas affected by domestic sewage
(2017-07-01)
Domestic sewage is a major problem in highly urbanized coastal areas worldwide. In the present study, toxicity identification evaluation (TIE) phases I and II were applied to sediment interstitial water from 2 locations ...
Developmental Toxicity Assessment of a Chlorothalonil-Based Fungicide in a Native Amphibian Species
(Springer, 2020-04)
The toxicity of a commercial formulation of the fungicide chlorothalonil in sensitive stages of the native amphibian Rhinella arenarum (Ra) was assessed by means continuous treatments from embryo and larval development and ...
Assessment of the hypnotic/sedative effects and toxicity of Passiflora edulis aqueous extract in rodents and humans
(Wiley-Blackwell, 1991-12-01)
Passiflora species are used in folk medicine as hypnotic and sedative treatments. in this study the hypnotic-sedative effects and toxicity of Passiflora edulis were assessed in rats and mice and in healthy volunteers. It ...
Assessment of sediment toxicity from the Areia Branca off-shore harbor and the Potengi river estuary (RN), northeastern Brazil
(2013-12-01)
The present study aimed to evaluate the toxic potential of superficial sediments collected in Areia Branca harbor (AB) and Potengi River Estuary (PR). Both areas are situated in Rio Grande do Norte state and are under ...