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11.
Saima Aslam Bharwana Shafaqat Ali Muhammad Ahsan Farooq Basharat Ali Naeem Iqbal Farhat Abbas Muhammad Sajid Aqeel Ahmad 《Environmental science and pollution research international》2014,21(1):717-731
Poisonous lead (Pb), among heavy metals, is a potential pollutant that readily accumulates in soils and thus adversely affects physiological processes in plants. We have evaluated how exogenous H2S affects cotton plant physiological attributes and Pb uptake under Pb stress thereby understanding the role of H2S in physiological processes in plants. Two concentrations (0 and 200 μM) of H2S donor sodium hydrosulfide (NaHS) were experimented on cotton plants under Pb stress (0, 50, and 100 μM). Results have shown that Pb stress decreased plant growth, chlorophyll contents, SPAD value, photosynthesis, antioxidant activity. On the other hand, Pb stress increased the level of malondialdehyde (MDA), electrolyte leakage (EL), and production of H2O2 and uptake of Pb contents in all three parts of plant, viz. root, stem, and leaf. Application of H2S slightly increased plant growth, chlorophyll contents, SPAD value, photosynthesis, and antioxidant activity as compared to control. Hydrogen sulfide supply alleviated the toxic effects of lead on plant growth, chlorophyll contents, SPAD value, photosynthesis, and antioxidant activity in cotton plants. Hydrogen sulfide also reduced MDA, EL, and production of H2O2 and endogenous Pb levels in the three mentioned plant parts. On the basis of our results, we conclude that H2S has promotive effects which could improve plant survival under Pb stress. 相似文献
12.
Kamal A. Rashid Masood Arjmand Heinrlch Sandertnann Ralph O. Mumma 《Journal of environmental science and health. Part. B》2013,48(6):721-729
Abstract Chloroanilines are constituents of many agrochemicals and have been found to be metabolized to succinic acid conjugates, e.g., succinamides and succinimides. The mutagenic potential of five chloroanilines and their succinamides and succinimide derivatives have been tested with two strains of Salmonella typhimurium (TA98 and TA100) with and without rat hepatic micro‐somal fraction. None of the compounds produced a dose response effect with a two‐fold increase in revertants indicating that these compounds are not mutagens or promutagens in these assays. 相似文献
13.
Farooq Muhammad Asim Aquib Md Khan Daulat Haleem Ghayas Sana Ahsan Anam Ijaz Muhammad Banerjee Parikshit Khan Maqsood Ahmed Ahmad Muhammad Masood Wang Bo 《Environmental Chemistry Letters》2019,17(4):1565-1583
Environmental Chemistry Letters - Research has recently focused on combinational therapy using nanocarriers to overcome the obstacles associated with conventional therapy of lung cancer. The... 相似文献
14.
Population of the world is increasing day by day, resulting in enormous amount of waste production. In the modern age of great technological advancements, there needs to be a systematic method to keep the environment clean. The waste management activities, i.e., collection, transport and disposal, pose a great challenge to the waste managers as they have to factor in various eclectic factors such as land availability, facilities available, budget, time required and the impact it would have on the environment, while tackling this problem. Lahore, despite being the most developed city of Pakistan, does not have a suitable solid waste management system. An increasing population leads to more waste generation, and in Lahore the situation is no different. Several waste management companies are working in the city, but as of yet they have not been able to make significant inroads to completely eradicate the problem. The aim of this paper is to suggest a suitable way for dealing with the waste. To accomplish this aim, a hierarchy-based model is used, considering six criteria and five alternatives. We used multi-criteria decision analysis to decide among different waste management alternatives. Forecasting has been used to find the population and waste produced over the years. Analytical hierarchy process (AHP) and Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) are used to rank the feasible alternative. The results show that the population and waste were increasing drastically. Aerobic digestion was ranked as the best alternative for waste management according to AHP and TOPSIS, but there is great variation among the rank of other alternatives. 相似文献
15.
Plant-based bioassays have recently gained remarkable popularity among the toxicological/eco-toxicological assessment procedures. The reasons for their wide use are comparative simplicity, sensitivity, and cost-effectiveness as well as a good correlation with other toxicity tests. The present study describes the use of two plant bioassays, Allium cepa test and seed germination test in the evaluation of the toxicity/genotoxicity of industrial waste water and river water and standardization with the commonly occurring pollutants in Indian waters namely heavy metals and phenolics. Both tests were standardized to suit the Indian conditions, and the local varieties were used. Both bioassays responded significantly with the test range of heavy metals and phenolics. The toxicity of heavy metals was in the order of Cu > Ni > Cd in both the tests whereas 2,4-dinitrophenol was the most toxic among the phenolic compounds. Cabbage, millet, and cucumber, respectively, were found to be the most sensitive in the seed germination test for the test heavy metals and phenols. Significant amounts of chromosomal abnormalities including bridges, stickiness, and fragmentations were recorded with both the industrial waste water and the XAD concentrated river water samples by A. cepa test. 相似文献
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Ashraf Mahsoon Zeshan Muhammad Hafeez Sadia Hussain Rahib Qadir Abdul Majid Muzaffar Ahmad Farman Ahmad Sajid Rashid 《Environmental science and pollution research international》2022,29(25):37129-37143
Environmental Science and Pollution Research - This study investigated the seasonal and temporal variations in the extent and source of physiochemical and toxic trace elements in the Lakhodair... 相似文献
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Beatrice Oneda Rosa Baldinger Regina Reissmann Irina Reshetnikova Pavel Krejci Rahim Masood Nicole Ochsenbein-Kölble Deborah Bartholdi Katharina Steindl Denise Morotti Marzia Faranda Alessandra Baumer Reza Asadollahi Pascal Joset Dunja Niedrist Christian Breymann Gundula Hebisch Margaret Hüsler René Mueller Elke Prentl Josef Wisser Roland Zimmermann Anita Rauch 《黑龙江环境通报》2014,34(6):525-533
20.
Saleemi Muhammad Kashif Tahir Muhammad Waseem Abbas Rao Zahid Akhtar Masood Ali Aamir Javed Muhammad Tariq Fatima Zahida Zubair Muhammad Bhatti Sheraz Ahmed Zahoor Ul Hassan 《Environmental science and pollution research international》2019,26(21):21371-21380
Environmental Science and Pollution Research - Cadmium is an important widely distributed heavy metal in the environment due to its several industrial uses, while milk thistle is an important herb... 相似文献