Search
Search Results
-
Sterols and sterol ratios to trace fecal contamination: pitfalls and potential solutions
Fecal pollution in surface waters is a major threat to recreational and drinking water resources, with Escherichia coli being a primary concern. The...
-
Insights about levels and sources of organic pollution in an urbanized Amazon estuary (Belém, PA, Northern Brazil)
Amazon aquatic systems have been affected by organic pollution from urbanized regions. This study was conducted to determine the levels, sources, and...
-
Organic Matter Changes at the Doce River Mouth Caused by the Fundão Dam Mine Tailing Collapse
The collapse of the Fundão dam (Southeast, Brazil) on November 5, 2015, released about 60 million m 3 of iron ore tailings into the Doce River Basin...
-
An integrated assessment to reconstruct the history of changes influenced by multiple anthropogenic activities (City of Fortaleza, Ceará, Brazil)
In this study, the multi-marker approach was used for the first time with a highly urbanized lake located in the city of Fortaleza, Brazil, to...
-
Paired Synoptic and Long-Term Monitoring Datasets Reveal Decadal Shifts in Suspended Sediment Supply and Particulate Organic Matter Sources in a River-Estuarine System
The San Francisco Estuary, in central California, has several long-running monitoring programs that have been used to reveal human-induced changes...
-
Importance of Visible Light-Induced Photo-oxidationProcesses in the North-Western Mediterranean Sea
Recently, there has been a renewal of interest concerning the study of heterogeneous visible light-induced degradative reactions of lipid compounds...
-
Preclassic environmental degradation of Lake Petén Itzá, Guatemala, by the early Maya of Nixtun-Ch’ich’
Paleolimnological evidence indicates the ancient Maya transformed terrestrial ecosystems by felling forest vegetation to construct large...
-
Recommended rates of azoxystrobin and tebuconazole seem to be environmentally safe but ineffective against target fungi
The use of fungicides in agriculture has been playing a role in the enhancement of agricultural yields through the control of pathogens causing...
-
Last deglacial abrupt climate changes caused by meltwater pulses in the Labrador Sea
Freshwater perturbations are often thought to be associated with abrupt climate changes during the last deglaciation, while many uncertainties remain...
-
Acute and chronic toxicities of prothioconazole and its metabolite prothioconazole-desthio in Daphnia magna
Current research on prothioconazole (PTC), a broad-spectrum triazole fungicide, mainly focuses on its efficacy and residues; only a few studies have...
-
Changes in the proteome of Apis mellifera acutely exposed to sublethal dosage of glyphosate and imidacloprid
Uncontrolled use of pesticides has caused a dramatic reduction in the number of pollinators, including bees. Studies on the effects of pesticides on...
-
Fundamentals of Crop Resistance to Salinity: Plant Characters and Selection Criteria
Understanding phenological, morpho-physiological, anatomical, biochemical and molecular bases that determine the response to selection of genotypes...
-
Introduction to Cyclodextrin-Based Nanosponges
Although cyclodextrins have been discovered over 130 years ago, they have been in the spotlight of researchers in academia and industry in the last...
-
Revisiting soil fungal biomarkers and conversion factors: Interspecific variability in phospholipid fatty acids, ergosterol and rDNA copy numbers
Refined conversion factors for soil fungal biomarkers are proposed.
High interspecific variability is present in all fungal biomarkers.
...
-
Organic matter quality by pyrolysis–gas chromatography/mass spectrometry and lead and arsenic adsorption
The organic soils (Histosols) are important as filters for organic and inorganic pollutants, mainly because they are usually located on the banks of...
-
Application of Flower Wastes to Produce Valuable Products
Since the beginning, people have used flowers for business, medicine, worship, celebration, decoration, and other purposes. India has diverse...
-
Seasonal sea-ice in the Arctic’s last ice area during the Early Holocene
According to climate models, the Lincoln Sea, bordering northern Greenland and Canada, will be the final stronghold of perennial Arctic sea-ice in a...
-
Early Cretaceous marine incursions into South Atlantic rift basins originated from the south
The breakup of Gondwana resulted in sedimentary deposits recording lacustrine to marine environmental transitions in the South Atlantic rift basins...
-
Application of HPLC, LC-Q-TOF–MS, UF-HPLC and LC–MS in the comparative analysis of flavonoids and sterols in the Citrus paradise cv. shamber (grapefruit)
The proper structural flavonoids and essential sterols are preparation issues, and it requires a proper analytical method for proper measurements....
-
Commonly used triazole fungicides accelerate the metamorphosis of digger wasps (Hymenoptera: Spheciformes)
Azole fungicides have been essential pillars of global food security since the commercialization of triadimefon. However, the potential for...
