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101.
Al Salah Dhafer Mohammed M. Laffite Amandine Sivalingam Periyasamy Poté John 《Environmental science and pollution research international》2022,29(14):20530-20541
Environmental Science and Pollution Research - The co-occurrence of heavy metals, antibiotic-resistant bacteria (ARB) and antibiotic-resistance genes (ARGs) from hospital effluents spreading into... 相似文献
102.
Seddouk Loubna Jamai Latifa Tazi Karima Ettayebi Mohamed Alaoui-Mhamdi Mohammed Aleya Lotfi Janati-Idrissi Abellatif 《Environmental science and pollution research international》2022,29(30):45589-45600
Environmental Science and Pollution Research - The medicinal plant Juniperus oxycedrus is less recognized for the diversity of its fungal endophytes and their potential to produce extracellular... 相似文献
103.
Qader Mohammed Redha Khan Shahnawaz Kamal Mustafa Usman Muhammad Haseeb Mohammad 《Environmental science and pollution research international》2022,29(12):17346-17357
Environmental Science and Pollution Research - Global warming and climate change have become one of the most embarrassing and explosive problems/challenges all over the world, especially in... 相似文献
104.
Mohammed Shahansha Shajeelammal Jameelammal Asok Adersh Shukla Satyajit 《Environmental science and pollution research international》2022,29(42):63304-63320
Environmental Science and Pollution Research - In the dye removal application, regeneration of hydrogen titanate nanotubes (HTN, H2Ti3O7) has been achieved via thermal activation of persulfate... 相似文献
105.
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
106.
Khannyra Souad Gil Maria Luisa Almoraima Addou Mohammed Mosquera Maria Jesus 《Environmental science and pollution research international》2022,29(42):63112-63125
Environmental Science and Pollution Research - In this study, the newly synthesized TiO2 and N doped TiO2 clusters were added to silica sol to synthesize N-TiO2/SiO2 composites via the... 相似文献
107.
Mohamed Laabd Hafsa Chafai Nouh Aarab Abdelhadi El Jaouhari Mohammed Bazzaoui Hassan Kabli Habiba Eljazouli Abdallah Albourine 《Environmental Chemistry Letters》2016,14(3):395-400
Adsorbents in the form of powders are commonly used to filtrate organic compounds in waters. However, this technique requires the separation of the solid phase from the solution after adsorption experiments. Here we propose the use of films as adsorbents. We synthesized polyaniline films by chemical oxidative polymerization of aniline on red ceramic brick. This film was tested to remove trimellitic, hemimellitic and pyromellitic acids as model molecules of the biodegradation of aquatic humic substances. We evaluated the effect of pH, contact time and initial concentration. Our results show that optimal adsorption conditions required 45 min of solid/liquid contact at pH 7 and an initial concentration of 20 mg/l. The maximum adsorption capacities for hemimellitic, trimellitic and pyromellitic acids are 154.83 for hemimellitic acid, 161.88 for trimellitic acid and 175.26 mg/g for pyromellitic acid. The adsorption efficiency of the polyaniline film decreased only by 13 % after four cycles. Overall, we conclude that polyaniline films are promising separable adsorbents compared to conventional adsorbents for removal of aromatic polycarboxylic acids from water. 相似文献
108.
Azad Mohammed 《毒物与环境化学》2013,95(2):347-352
The toxicities of seven chemicals [cadmium (Cd) chloride, potassium dichromate, sodium dodecyl sulfate, potassium chloride (KCl), Triton X-100, zinc (Zn) chloride and copper (Cu) (II) sulfate] were determined using the tropical freshwater cladoceran, Ceriodaphnia rigaudii and the temperate species, Daphnia magna. Data generated was subsequently used to determine the relative sensitivities of both species, using interspecies correlation to compare the 48?h LC50 values for both species. The 48?h LC50 values for C. rigaudii ranged from 0.002?mg?L?1 (potassium dichromate) to 21.1?mg?L?1 (KCl), whereas those for D. magna ranged from 0.3?mg?L?1 for Cu to 418.87?mg?L?1 for KCl. The LC50 values for C. rigaudii were significantly less than that for D. magna for six of the compounds tested. The interspecies correlation also showed a low, positive correlation suggesting that the sensitivities of both species were not similar for the compounds tested. The sensitivity factors for C. rigaudii and D. magna ranged between 0.01 and 12.3. These values further suggested that for six of the compounds tested, C. rigaudii appeared to be more sensitive than D. magna. It is therefore possible that because of these differences in relative sensitivities, toxicity data generated with D. magna may not be appropriate for Trinidad. 相似文献
109.
A. Mohammed 《毒物与环境化学》2013,95(1):79-86
Although the selection criteria for toxicity test species are well-documented, they do not provide a clear approach for establishing the suitability of a species for regulatory testing. This study looks at the approach used to determine if Ceriodaphnia rigaudii, an indigenous tropical cladoceran species, may be designated as a suitable freshwater test species for regulatory testing in Trinidad and Tobago. The approach involved species identification, life cycle characterization, salinity tolerance, toxicological responses to standard chemicals, and comparative sensitivity evaluation with an established test species. The results showed that C. rigaudii (0.45 mm) was significantly smaller in size, had a shorter life cycle and matured faster than temperate cladoceran species such as Ceriodaphnia dubia and Daphnia magna (3–6 mm). Ceriodaphnia rigaudii has a life span of about 10–15 days and reached sexual maturity within 2 days, whereas D. magna had a life span of about 40–50 days and attained sexual maturity within 6–10 days. The LC50 values for C. rigaudii were significantly less than D. magna for the six compounds tested. Interspecies correlation also showed a low positive correlation, suggesting that the sensitivities of both species were not similar for the compounds tested. The sensitivity factors of C. rigaudii and D. magna for the toxicants ranged 0.01–12.3, suggesting that C. rigaudii was more sensitive than D. magna. This study was useful in defining a stepwise approach to help establish C. rigaudii as an indigenous tropical toxicity test species in Trinidad. 相似文献
110.
Test protocols citing mysids as a standard test species often recommend juveniles (48 h) as the most appropriate life stage for testing. Acute toxicity tests were conducted with six standard toxicants, with three life stages of Metamysidopsis insularis; juveniles (48 h), late juveniles (7–12 days) and adults (>13 days), to determine whether there were significant differences in the sensitivity between life stages. Three of the compounds tested (sodium dodecyl sulphate, potassium dichromate, and potassium chloride) showed a significantly higher 96 h-LC50 for the adults when compared to the juveniles and late juveniles. Four of the compounds tested showed significantly higher 24 h- and 48h-LC50 for the adults when compared to both the late juveniles and juveniles. Twenty-four hour-LC50 values for juveniles were also significantly higher than the 48 and 96 h values. However, for the late juveniles and adults this was only true of a few compounds. Further, the 48 and 96 h values were statistically similar. Therefore, for M. insularis it may be appropriate to conduct acute toxicity test with juvenile for a 48 h period. 相似文献