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31.
Groundwater quality assessment in different land-use areas of Faridabad and Rohtak cities of Haryana using deviation index 总被引:1,自引:0,他引:1
Kaushik A Kumar K Sharma IS Sharma HR 《Journal of environmental biology / Academy of Environmental Biology, India》2004,25(2):173-180
Physico-chemical parameters were analysed to evaluate the groundwater quality of the two important cities of Haryana, Faridabad and Rohtak, and the pollution status of groundwater was compared using deviation index (DI). Groundwater of both the cities had high alkalinity, hardness, total dissolved solids (TDS) and electrical conductivity. The groundwater of Faridabad showed low fluoride concentration whereas in 74% of groundwater samples of Rohtak the fluoride levels were high. Land use and waste disposal practices were found to have an important effect on groundwater pollution. 相似文献
32.
Kaushik Himanshu Ranjan Rashmi Ahmad Rakhshan Kumar Alok Prashant Kumar Nitish Ranjan Rajesh Kumar 《Environmental science and pollution research international》2021,28(15):18686-18701
Environmental Science and Pollution Research - The concentration of trace metals Mn, Pb, Ni, Zn, and Cu in the core sediment from Kabar Tal wetland was analyzed to understand the level of... 相似文献
33.
Batiha Gaber El-Saber Al-Gareeb Ali I. Qusti Safaa Alshammari Eida M. Kaushik Deepak Verma Ravinder Al-kuraishy Hayder M. 《Environmental science and pollution research international》2022,29(29):43516-43531
Environmental Science and Pollution Research - The immune system protects human health from the effects of pathogenic organisms; however, its activity is affected when individuals become infected.... 相似文献
34.
Rashid Abdur Ayub Muhammad Khan Sardar Ullah Zahid Ali Liaqat Gao Xubo Li Chengcheng El-Serehy Hamed A. Kaushik Prashant Rasool Atta 《Environmental science and pollution research international》2022,29(50):75744-75768
Environmental Science and Pollution Research - Globally, potentially toxic elements (PTEs) and bacterial contamination pose health hazards, persistency, and genotoxicity in the groundwater aquifer.... 相似文献
35.
Bhatia Saurabh Al-Harrasi Ahmed Behl Tapan Anwer Md. Khalid Ahmed Mohammed Muqtader Mittal Vineet Kaushik Deepak Chigurupati Sridevi Kabir Md. Tanvir Sharma Pritam Babu Chaugule Bhupal Vargas-de-la-Cruz Celia 《Environmental science and pollution research international》2022,29(10):14380-14392
Environmental Science and Pollution Research - Several studies have suggested the direct relationship between skin complications, air pollution, and UV irradiation. UVB radiations cause various... 相似文献
36.
Sayan Bhattacharya Kaushik Gupta Sushanta Debnath Uday Chand Ghosh Dhrubajyoti Chattopadhyay Aniruddha Mukhopadhyay 《毒物与环境化学》2013,95(3):429-441
Arsenic (As) is a metalloid that poses serious environmental threats due to its behemoth toxicity and wide abundance. The use of arsenic-contaminated groundwater for irrigation purpose in crop fields elevates arsenic concentration in surface soil and in the plants. In many arsenic-affected countries, including Bangladesh and India, rice is reported to be one of the major sources of arsenic contamination. Rice is much more efficient at accumulating arsenic into the grains than other staple cereal crops. Rice is generally grown in submerged flooded condition, where arsenic bioavailability is high in soil. As arsenic species are phytotoxic, they can also affect the overall production of rice, and can reduce the economic growth of a country. Once the foodstuffs are contaminated with arsenic, this local problem can gain further significance and may become a global problem, as many food products are exported to other countries. Large-scale use of rainwater in irrigation systems, bioremediation by arsenic-resistant organisms and hyperaccumulating plants, and the aerobic cultivation of rice are some possible ways to reduce the extent of bioaccumulation in rice. Investigation on a complete food chain is urgently needed in the arsenic-contaminated zones, which should be our priority in future researches. 相似文献
37.
Kaushik Banerjee 《毒物与环境化学》2013,95(1):77-81
The residue dynamics of carbendazim and mancozeb in grape berries is reported. The fungicides were sprayed in accordance with the most critical use pattern i.e. 4 times at 15 days interval separately at recommended and double doses. The residues of each fungicide dissipated following 1st order rate kinetics. The half-lives of carbendazim and mancozeb were 7.3 and 8.1 days at recommended dose and 4.6 and 5.7 days at double dose. Ethylenethiourea (ETU), the toxic metabolite of mancozeb was detectable at harvest following four sprays of mancozeb at recommended dose. At double dose, however, the residues of ETU could be detected even after three sprays of mancozeb. The pre-harvest intervals for carbendazim and mancozeb were found to be 26 and 12 days at recommended dose and 33 and 17 days at double dose, respectively. 相似文献
38.
Rupali P. Sabale Sagar C. Utture Kaushik Banerjee Dasharath P. Oulkar Pandurang G. Adsule 《Journal of environmental science and health. Part. B》2013,48(2):90-98
The rate of degradation of kresoxim methyl and its effect on soil extra-cellular (acid phosphatase, alkaline phosphatase and β-glucosidase) and intra-cellular (dehydrogenase) enzymes were explored in four different soils of India. In all the tested soils, the degradation rate was faster at the beginning, which slowed down with time indicating a non-linear pattern of degradation. Rate of degradation in black soil was fastest followed by saline, brown and red soils, respectively and followed 1st or 1st + 1st order kinetics with half-life ranging between 1–6 days for natural soil and 1–19 days for sterile soils. The rate of degradation in natural against sterilized soils suggests that microbial degradation might be the major pathway of residue dissipation. Although small changes in enzyme activities were observed, kresoxim methyl did not have any significant deleterious effect on the enzymatic activity of the various test soils in long run. Simple correlation studies between degradation percentage and individual enzyme activities did not establish any significant relationships. The pattern and change of enzyme activity was primarily due to the effect of the incubation period rather than the effect of kresoxim methyl itself. 相似文献
39.
Prachi Kaushik Anushree Malik 《Environmental science and pollution research international》2013,20(5):2882-2892
Dyes used in various industries are discharged into the environment and pose major environmental concern. In the present study, fungal isolate Aspergillus lentulus was utilized for the treatment of various dyes, dye mixtures and dye containing effluent in dual modes, bioaccumulation (employing growing biomass) and biosorption (employing pre-cultivated biomass). The effect of dye toxicity on the growth of the fungal isolate was studied through phase contrast and scanning electron microscopy. Dye biosorption was studied using first and second-order kinetic models. Effects of factors influencing adsorption and isotherm studies were also conducted. During bioaccumulation, good removal was obtained for anionic dyes (100 mg/l), viz. Acid Navy Blue, Fast Red A and Orange-HF dye (99.4 %, 98.8 % and 98.7 %, respectively) in 48 h. Cationic dyes (10 mg/l), viz. Rhodamine B and Methylene Blue, had low removal efficiency (80.3 % [48 h] and 92.7 % [144 h], respectively) as compared to anionic dyes. In addition to this, fungal isolate showed toxicity response towards Methylene Blue by producing larger aggregates of fungal pellets. To overcome the limitations of bioaccumulation, dye removal in biosorption mode was studied. In this mode, significant removal was observed for anionic (96.7–94.3 %) and cationic (35.4–90.9 %) dyes in 24 h. The removal of three anionic dyes and Rhodamine B followed first-order kinetic model whereas removal of Methylene Blue followed second-order kinetic model. Overall, fungal isolate could remove more than 90 % dye from different dye mixtures in bioaccumulation mode and more than 70 % dye in biosorption mode. Moreover, significant color removal from handmade paper unit effluent in bioaccumulation mode (86.4 %) as well as in biosorption mode (77.1 %) was obtained within 24 h. This study validates the potential of fungal isolate, A. lentulus, to be used as the primary organism for treating dye containing wastewater. 相似文献
40.
Banerjee K Patil SH Dasgupta S Oulkar DP Adsule PG 《Journal of environmental science and health. Part. B》2008,43(2):151-156
The sorption behavior of the insecticide thiamethoxam [3-(2-chloro-1,3-thiazol-5-ylmethyl)-5-methyl-1,3,5-oxadiazinan-4-ylidene(nitro)amine] on three Indian soils with different physico-chemical properties was investigated. The soils represent the major grapevine growing areas of India, where the vineyards frequently receive thiamethoxam applications as foliar spray, soil drenching and through drip irrigation for the management of various insect pests. The rate constants for adsorption and desorption at two different temperatures were obtained from the Lindstrom model, which simultaneously evaluated adsorption and desorption kinetics. The data for rate constants, activation energies, enthalpy of activation, entropy of activation and free energy indicated physical adsorption of thiamethoxam on soil. The adsorptivity of different soils might be attributed to the organic matter and clay contents. A good fit to the linear and Freundlich isotherms was observed for both adsorption as well as desorption. Thiamethoxam could be categorized as a chemical with medium leaching potential. 相似文献