Toxicity Testing and the Effect of Landfill Leachate in Malaysia on Behavior of Common Carp (Cyprinus carpio L., 1758; Pisces, Cyprinidae)

Alkassasbeh, Jaffar Y.M.; Heng, Lee Yook; Surif, Salmijah

doi:10.3844/ajessp.2009.209.217

Cited by 58 publications

(38 citation statements)

References 29 publications

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“…II. Investigated landfill leachates showed similar characteristics to the leachates sampled in other MSW landfills (Kulikowska and Klimiuk 2008;Guo et al, 2010;Kalčíková et al, 2014) (Isidori et al, 2003;Silva et al, 2004;Alkassasbeh et al, 2009;Budi et al, 2016). Relatively low trace elements concentrations are suggesting that Zdounky-Kuchyňky leachate does not represent a significant trace elements hazard.…”

Section: Chemical Characteristics Of Landfill Leachate and Rainwatersupporting

confidence: 53%

Seasonal Changes and Toxic Potency of Landfill Leachate for White Mustard (Sinapis alba L.)

Zloch¹,

Vaverková²,

Adamcová³

et al. 2018

Acta Univ. Agric. Silvic. Mendelianae Brun.

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Landfills are the most broadly used methods for the disposal of municipal solid waste (MSW). Leachate can be contaminated with pollutants that may pose a threat to the landfill surrounding namely soil, groundwater and surface waters.. Examination of leachate composition is determinative in long-term impact of landfills on the environment and human health. Moreover, it is essential to assess such prior knowledge for prevention of negative outcomes. The evaluation of the seasonal changes of landfill leachate and rainwater composition is presented in this paper. Research samples of leachate and rainwater were collected from February till June of 2017 (still ongoing) and analyzed for pH, electrical conductivity, dissolved oxygen, series of trace elements, Subsequently the test of leachate toxicity for higher plants (Sinapis alba L.) was carried out. Up to now, the results do not indicate significant seasonal difference in landfill leachate composition, however the toxicity tests provided on Sinapis alba L. demonstrate that landfill leachates can present a significant source of contamination. This research can serve practical tools for evaluating quality and risk assessment for landfill leachate.

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Section: Chemical Characteristics Of Landfill Leachate and Rainwatersupporting

confidence: 53%

Seasonal Changes and Toxic Potency of Landfill Leachate for White Mustard (Sinapis alba L.)

Zloch¹,

Vaverková²,

Adamcová³

et al. 2018

Acta Univ. Agric. Silvic. Mendelianae Brun.

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“…Mortality and abnormal behavioral responses were recorded every 24 h, until 96 h (Company et al, 2010). During the experiment, dead fish were removed immediately because such mortality in static bioassays may deplete the DO, affecting tolerance limits (Alkassasbeh et al, 2009). The results are expressed as mean ± SD…”

Section: Determination Of Sublethal Concentrationsmentioning

confidence: 99%

IN-VIVO EVALUATION OF HEXAVALENT CHROMIUM INDUCED DNA DAMAGE BY ALKALINE COMET ASSAY AND OXIDATIVE STRESS IN CATLA CATLA

Arunachalam

Annamalai

Kuruva

2013

American Journal of Environmental Sciences

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In the present study, the acute toxicity of Chromium in fingerlings of Catla catla, an Indian major carp, was evaluated with renewal bioassay method. In vivo studies were designed to assess the extent of Micronucleus Assay, Comet Assay under the exposure of common heavy-metal compounds, namely, Chromium Nitrate, using Catla catla (2n = 20), as a test model. The laboratory acclimatized fishes were divided into four groups. Group I served as positive control and the other three as exposed groups for three different time durations of 7, 14 and 21 days and were subjected to uninterrupted sub lethal concentrations (50% of 96 h LC 50 ). The experiments were planned in such a way that fish from all the groups were sacrificed on the same day. The frequencies of micronuclei and bi-nuclei were evaluated comparatively in peripheral erythrocytes. As a result, it was observed that, the fishes and different tissues showed differential sensitivity to the heavy-metal treatment. A significant increase in the frequencies of micronucleated and binucleated cells and percentage increase in DNA tail (p<0.001) through Alkaline Comet Assay were observed after 21 days of exposure to chromium. Our results also showed decrease in enzyme Superoxide Dismutase (SOD) activity and increase in catalase enzyme due to increasing chromium concentration. The bio-concentration factor profiles of Chromium in Catla catla during sub lethal toxicity study was also calculated.

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“…V. amygdalina leaf extract has been shown to have antioxidant; antibacterial; antifungal; anthelmintic; antithrombosis; lipid lowering; anti-diabetic; wound healing and anti-cancer properties (Alkassasbeh et al, 2009;Al-Akhras et al, 2007;Harrison and Bartels, 2006).…”

Section: Introductionmentioning

confidence: 99%

Inhibition of Skin Colour Darkening (Skin Clearing and Lightening); Skin Firming; Body Calming and Body Vitalizing Effects of Vernonia amygdalina Leaf Extract

Anastasia¹

2011

American Journal of Pharmacology and Toxicology

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Problem statement: Obese human subjects treated with oral Vernonia amygdalina (V. amygdalina) aqueous leaf extract for one month who experienced the anti-obesity effects of V. amygdalina leaf extract reported a lighter; clearer; more glowing and firmer skin as side effects of the treatment (unpublished findings). In this study, oral Vernonia amygdalina aqueous leaf extract was taken daily for six months to observe its effects on the external appearance and the firmness of the skin of the treated subject. Approach: Vernonia amygdalina leaf extract was prepared as a leaf effusion. The extract was taken 4 times daily by the subject who also oserved some dietary restritions. Results: The results of the study showed that V. amygdalina leaf extract has potent skin clearing; skin firming; skin lightening (inhibition of skin colour darkening); skin texture and lusture restoration; anti-obesity; body calming and body vitality (vigor) effects. These skin colour and form restoration effects of V. amygdalina extract coupled to its body metabolism effects to give body calm, vitality and youthful looks to the subject. Conclusion: The study concludes that V. amygdalina leaf extract has skin colour and formlightening and restoration effects as well as body calming and body vitalizing effects.

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Toxicity Testing and the Effect of Landfill Leachate in Malaysia on Behavior of Common Carp (Cyprinus carpio L., 1758; Pisces, Cyprinidae)

Cited by 58 publications

References 29 publications

Seasonal Changes and Toxic Potency of Landfill Leachate for White Mustard (Sinapis alba L.)

Seasonal Changes and Toxic Potency of Landfill Leachate for White Mustard (Sinapis alba L.)

<i>IN-VIVO</i> EVALUATION OF HEXAVALENT CHROMIUM INDUCED DNA DAMAGE BY ALKALINE COMET ASSAY AND OXIDATIVE STRESS IN <i>CATLA CATLA</i>

Inhibition of Skin Colour Darkening (Skin Clearing and Lightening); Skin Firming; Body Calming and Body Vitalizing Effects of <i>Vernonia amygdalina</i> Leaf Extract

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