Iron and manganese present in underground water promote biochemical, genotoxic, and behavioral alterations in zebrafish (Danio rerio)

2019 ◽  
Vol 26 (23) ◽  
pp. 23555-23570 ◽  
Author(s):  
Katiuska Marins ◽  
Luan Marcos Valentini Lazzarotto ◽  
Gabrielle Boschetti ◽  
Kanandra Taisa Bertoncello ◽  
Adrieli Sachett ◽  
...  
Keyword(s):  
Danio Rerio ◽  
Underground Water ◽  
Behavioral Alterations ◽  
Iron And Manganese

scholarly journals Iron and Manganese Retention of Juvenile Zebrafish (Danio rerio) Exposed to Contaminated Dietary Zooplankton (Daphnia pulex)—a Model Experiment

2020 ◽  
Vol 199 (2) ◽  
pp. 732-743
Author(s):  
Petra Herman ◽  
Milán Fehér ◽  
Áron Molnár ◽  
Sándor Harangi ◽  
Zsófi Sajtos ◽  
...  
Keyword(s):  
Danio Rerio ◽  
Daphnia Pulex ◽  
Negative Influence ◽  
Fish Growth ◽  
Trophic Chain ◽  
Concentration Data ◽  
Significant Difference ◽  
Fe And Mn ◽  
The Relationship ◽  
Iron And Manganese

AbstractIn present study the effect of iron (Fe) and manganese (Mn) contamination was assessed by modeling a freshwater food web of water, zooplankton (Daphnia pulex), and zebrafish (Danio rerio) under laboratory conditions. Metals were added to the rearing media of D. pulex, and enriched zooplankton was fed to zebrafish in a feeding trial. The elemental analysis of rearing water, zooplankton, and fish revealed significant difference in the treatments compared to the control. In D. pulex the Mn level increased almost in parallel with the dose of supplementation, as well as the Fe level differed statistically. A negative influence of the supplementation on the fish growth was observed: specific growth rate (SGR%) and weight gain (WG) decreased in Fe and Mn containing treatments. The redundancy analysis (RDA) of concentration data showed strong correlation between the rearing water and D. pulex, as well as the prey organism of Fe- and Mn-enriched D. pulex and the predator organism of D. rerio. The bioconcentration factors (BCF) calculated for water to zooplankton further proved the relationship between the Fe and Mn dosage applied in the treatments and measured in D. pulex. Trophic transfer factor (TTF) results also indicate that significant retention of the metals occurred in D. rerio individuals, however, in a much lower extent than in the water to zooplankton stage. Our study suggests that Fe and Mn significantly accumulate in the lower part of the trophic chain and retention is effective through the digestive track of zebrafish, yet no biomagnification occurs.

scholarly journals Deironing of Underground Water with Modified Refractory Chamotte

2021 ◽  
pp. 135-146
Author(s):  
Keyword(s):  
Iron Content ◽  
Iron Oxidation ◽  
Base Material ◽  
Precursor Solution ◽  
Underground Water ◽  
Iron Removal ◽  
Catalytic Material ◽  
Cis Countries ◽  
Permissible Rate ◽  
Iron And Manganese

Water from underground sources in Russia and the CIS countries mainly contains higher concentrations of iron and manganese. With a permissible rate of iron content in drinking water of 0.2–0.3 mg/L, its content in groundwater can reach 40 mg/L. To remove excess soluble iron, it is oxidized to insoluble forms. For these purposes, iron removal filters are used. This research describes the preparation of modified catalytic material to intensify the process of deferrization of underground water. Methods. Refractory chamotte of a fraction of 3–5 mm was selected as the base material, and an iron-containing precipitate of the purification of washings waters from iron removal filters was used as the source of iron for the preparation of the precursor solution. As a result of the modification, the formation of a finely dispersed and crystalline structure of hematite on the chamotte surface occurred. The effect of the dose of iron nitrate on the iron content on the surface of the modified material is established. Results. During pilot tests, it was found that an increase in the concentration of iron on the surface from 5.8 wt.% in the initial chamotte to 19.0, 48.7 and 55.8 wt.% in the modified led to an increase in the degree of iron oxidation from Fe2+ to Fe3+ from 41.4% to 65.1, 73.0 and 80.0%, respectively. The proposed method has significant advantages over analogues due to significantly lower energy consumption, resource consumption and impac on environmentt.

An Engineering Example of Removing Iron and Manganese from Underground Water

2014 ◽  
Vol 508 ◽  
pp. 251-254
Author(s):  
Yu Li ◽  
Ya Feng Li
Keyword(s):  
Water Treatment ◽  
Treatment Plant ◽  
Water Treatment Plant ◽  
Underground Water ◽  
Design Parameters ◽  
Main Process ◽  
Processing Capacity ◽  
Process Characteristics ◽  
Operation Cost ◽  
Iron And Manganese

Use water supply treatment engineering of Shenyang some water treatment plant as an example. Introduced process characteristics, design parameters, treatment effect and operation cost of treating iron and manganese of underground drinking water. This water treatment plant treat the underground water as the source, and the processing capacity of water of this engineering is 105t/d. This underground water turns out to be abundant and clear. Therefore, the main process of the water treatment plant is decresing the content of iron and manganese in the underground water.

Toxicity of boron and vanadium nanoparticles on Danio rerio embryos – phenotypical, biochemical, and behavioral alterations

2021 ◽  
pp. 105930
Author(s):  
Joana Santos ◽  
Ângela Barreto ◽  
Célia Almeida ◽  
Cátia Azevedo ◽  
Inês Domingues ◽  
...  
Keyword(s):  
Danio Rerio ◽  
Behavioral Alterations ◽  
Danio Rerio Embryos

scholarly journals Technology of drinking water preparation using the reactor - clarifier

2019 ◽  
Vol 91 ◽  
pp. 04006
Author(s):  
Yuriy Skolubovich ◽  
Aleksander Skolubovich ◽  
Evgeniy Voitov ◽  
Inna Makarikhina
Keyword(s):  
Surface Water ◽  
Organic Contaminants ◽  
Natural Waters ◽  
High Water ◽  
Underground Water ◽  
Complex Compounds ◽  
Peat Bogs ◽  
Water Color ◽  
The City ◽  
Iron And Manganese

Siberian surface water and groundwater are characterized by low temperatures for a long year period. Many groundwater sources’ organic composition are formed of soil and peat humus, marsh feeding of rivers, decomposition of plankton, higher water, and soil grass in reservoirs and lakes. Organic colloids in natural waters and in humic substances give the color of water. It’s yellowish coloration of varying intensity. Thus, the Om River’s water color in the city of Kuibyshev in the Novosibirsk Region is 500 degrees with feculence of less than 3 mg/l. A number of underground water sources also have an increased content of organic contaminants caused by peat bogs at great depths and high water colority with low turbidity. For example, the water color is up to 1500 degrees in the Namtsy village of the SAHA-Yakutia Republic. In addition, underground water and, to a greater extent, surface water are often characterized by a high content of iron (up to 20 mg/l), manganese (up to 4 mg/l), and other impurities of natural and anthropogenic origin. Iron and manganese are in natural waters in the form of mineral or organic complex compounds of humic or some fatty acids. In the second case, these waters are with increased oxidizability and rather aggressive nature. In particular, the iron content is 3 mg/l, manganese is 1 mg/l, the permanganate oxidizability is 50 mg/l in the water of the Om River.

scholarly journals Acute Toxicity Assessment and Behavioral Responses Induced by Kandhamal haladi in Adult Zebrafish (Danio rerio)

2020 ◽  
Vol 11 (1) ◽  
pp. 7368-7381
Keyword(s):  
Danio Rerio ◽  
Toxicity Assessment ◽  
Probit Analysis ◽  
Behavioral Changes ◽  
Control Group ◽  
Static System ◽  
Behavioral Patterns ◽  
Adult Zebrafish ◽  
Behavioral Alterations ◽  
Dose Time

Turmeric has been used traditionally for its antimicrobial activity. Turmeric is used as a spice, food preservative, and coloring material in India. It has been used in Ayurveda for various diseases. So we decided to evaluate the toxicity effect of Kandhamal haladi, commonly use in the food industry, cosmetics, and pharmacology. The adult zebrafish (Danio rerio) model was used to evaluate the median lethal concentration (LC50). In the present study, acute toxic effects and behavioral alterations induced by exposure of the freshwater fish Danio rerio (zebrafish) to Kandhamal haladi was reported. Seven healthy specimens of the average size (3-4 cm in length and 1.0±0.78 g in weight) in each group were exposed to different concentrations of Kandhamal haladi for 24 h, 48 h, 72 h, and 96 h along with naïve and control group in a static system. After 96 h exposure at a water temperature of 28.5ºC, their abnormal swimming behavioral patterns and abnormal ventilatory (respiratory) function, including hyperactivity, hypoactivity, and gulping, were observed. Alterations in behavioral patterns were well noticeable during the period of the experiment. The 96 h LC50 value of Kandhamal haladi to Danio rerio was found to be 173.516 µM with lower and upper confidential limits (95%) as 152.146 µM and 200.072 µM respectively by using IBM SPSS statistics 25 software and 173.780 µM using Microsoft Office Excel 2007 based on Finney’s probit analysis statistical method. Mortality and behavioral changes were increased with increasing concentration of the compound within 24 to 96 hours. In addition to dose and dose-time dependent increase in the mortality rate, anxiety signs in the form of behavioral changes were observed in response to different test concentrations. Further researches are recommended to study the processes by which this chemical affects physiology and histology of fish and their accumulation in fish tissues. Our findings suggest that Kandhamal haladi can be used to fight against different fish diseases because of its low toxic effect on fishes, and supplementation of haladi could be recommended in aquaculture through a feed to prevent disease impact.

Removal of iron and manganese from underground water by use of natural minerals in batch mode treatment

2010 ◽  
Vol 18 (1-3) ◽  
pp. 341-346 ◽  
Author(s):  
V. J. Inglezakis ◽  
M. K. Doula ◽  
V. Aggelatou ◽  
A. A. Zorpas
Keyword(s):  
Underground Water ◽  
Batch Mode ◽  
Natural Minerals ◽  
Iron And Manganese

Colloidal systems in soils

1994 ◽  
Vol 52 ◽  
pp. 64-65
Author(s):  
J. Thieme ◽  
J. Niemeyer ◽  
P. Guttman
Keyword(s):  
Clay Minerals ◽  
Polymeric Materials ◽  
Spatial Arrangement ◽  
High Specific Surface Area ◽  
Turnover Rates ◽  
Colloidal Systems ◽  
Chemical Conditions ◽  
Aggregation Phenomena ◽  
Iron And Manganese ◽  
Soil Colloids

In soil science the fraction of colloids in soils is understood as particles with diameters smaller than 2μm. Clay minerals, aquoxides of iron and manganese, humic substances, and other polymeric materials are found in this fraction. The spatial arrangement (microstructure) is controlled by the substantial structure of the colloids, by the chemical composition of the soil solution, and by thesoil biota. This microstructure determines among other things the diffusive mass flow within the soils and as a result the availability of substances for chemical and microbiological reactions. The turnover of nutrients, the adsorption of toxicants and the weathering of soil clay minerals are examples of these surface mediated reactions. Due to their high specific surface area, the soil colloids are the most reactive species in this respect. Under the chemical conditions in soils, these minerals are associated in larger aggregates. The accessibility of reactive sites for these reactions on the surface of the colloids is reduced by this aggregation. To determine the turnover rates of chemicals within these aggregates it is highly desirable to visualize directly these aggregation phenomena.

Local interaction rules and collective motion in black neon tetra (Hyphessobrycon herbertaxelrodi) and zebrafish (Danio rerio).

2019 ◽  
Vol 133 (2) ◽  
pp. 143-155 ◽  
Author(s):  
Vicenç Quera ◽  
Elisabet Gimeno ◽  
Francesc S. Beltran ◽  
Ruth Dolado
Keyword(s):  
Danio Rerio ◽  
Collective Motion ◽  
Local Interaction
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