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51.
Combustion of flame retardants 总被引:1,自引:0,他引:1
2,4,6-Tribromoaniline (TBA) is used in the preparation of various dyes, polymers, and, in combination with antimony trioxide, as a flame retardant in the textile and plastic industry. Pyrolysis studies of TBA done previously in our laboratory indicated the presence of some potentially toxic nitrogen analogs of dioxins. Combustion of TBA was further studied using a flame to simulate the conditions of an incinerator; it was observed that, along with the formation of phenazines, small but significant amounts of brominated benzidines and carbazoles were also formed. 相似文献
52.
A single intraperitoneal administration of tin (II) tartrate to albino rats (2 mg body wt) depressed the levels of hepatic glutathione reductase, glucose-6-phosphate dehydrogenase, lactate dehydrogenase, succinic dehydrogenase, reduced glutathione (GSH) and total sulfhydryl contents and led to an elevated level of tin. Serum aminotransferase levels were however, not affected but an increase in serum bilirubin and calcium levels was noticed. studies showed that tin tartrate upto a concentration of 2 uM did not affect the activity of liver enzymes tested, when the enzyme preparations were incubated with metallic salts during the time of assay. The critical concentration of tin for these parameters was at 5 uM. 相似文献
53.
Kaur Rajwinder Sood Ankita Kanotra Muskan Arora Sandeep Subramaniyan Vetriselvan Bhatia Saurabh Al-Harrasi Ahmed Aleya Lotfi Behl Tapan 《Environmental science and pollution research international》2021,28(39):54531-54550
Environmental Science and Pollution Research - Nutrition plays a significant role in the prevention and treatment of common diseases. Some superb dietary choices such as functional foods and... 相似文献
54.
Mandal Reshu Kaur Sukhbir Gupta Vinod kumar Joshi Amit 《Environmental geochemistry and health》2022,44(10):3215-3238
Environmental Geochemistry and Health - Heavy metals (HMs) have a very significant clinical role in the pathogenesis, progression and management of cardiovascular diseases (CVDs). The prevalence of... 相似文献
55.
Cuprys Agnieszka Thomson Paisley Suresh Gayatri Roussi Tarek Brar Satinder Kaur Drogui Patrick 《Environmental science and pollution research international》2022,29(7):10112-10121
Environmental Science and Pollution Research - Ciprofloxacin (CIP), a widely used antibiotic, is frequently detected in the environment due to insufficient wastewater and water treatment. Hence,... 相似文献
56.
A model recycling program for Alabama 总被引:1,自引:0,他引:1
Solid waste disposal is becoming a difficult problem for many states. Since 1960, the amount of municipal solid waste (MSW) has been increasing at a rate of 1% per year. More than 75% of the waste is comprised of recyclable materials. Several states have mandated recycling to decrease the volume of waste intended for disposal. Those mandated programs are very popular, but depend on many political, social, and economic factors for success. While Alabama has the manufacturing infrastructure to support a mandated recycling program, no recycling legislation has been promulgated. At this time recycling is only being done on a voluntary basis. A mandatory program with the proper support, education and funding could allow Alabama to recycle much of the 5.2 million tons of waste that are generated within its borders each year. 相似文献
57.
58.
Jasmeet Kaur Bonamali Pal 《Environmental science and pollution research international》2013,20(6):3956-3964
This study demonstrates the influences of position, number of nitrogen (N) atoms and –C–N– or –N=N– linkage present in the six membered heterocyclic compounds such as pyridine, pyrazine, and pyridazine on their photocatalytic degradation by Au, Ag, and Fe+2 deposited TiO2 photocatalyst. The photodegradation rate of these heterocyclic compounds follow the order pyridine > pyrazine > pyridazine due to the different extent of hydroxylation and difference in position and number of N atoms in the aromatic moiety. The Au photodeposition significantly improved the TiO2 photoactivity as compared to Ag and Fe+2 loading. The presence of two N atoms in pyrazine and pyridazine as compared to one N atom in pyridine hamper the nucleophilc attack of OH radicals in comparison to easy hydroxylation of pyridine ring. There is 1 N atom, 4C–C, 1C–N and 1C=N bond in pyridine, 2 N atoms in the 1 and 4 positions, 2C–C, 2C–N bonds and 2C=N bonds in pyrazine, and pyridazine ring contains 2 N atoms in the 1 and 2 positions, 3C–C, 1N–N bond and 2C=N bonds. The bond strength/energy decreases gradually as: C=N– (615 KJ/mol)?>?–N=N– (418 KJ/mol)?>?–C–C– (347 KJ/mol)?>?–C–N– (305 KJ/mol)?>?–N–N– (163 KJ/mol). As pyridine has 1C–N, 1C=N, and no N–N bond, it photodegrades easily as compared to 1 N–N and 2C=N bonds of pyridazine of lowest photodecomposition rate. The improved photoactivity of Au–TiO2 is explained on the basis of its favorable redox potential, work function, and electron-capturing capacity, etc. 相似文献
59.
Environmental Geochemistry and Health - A comprehensive radio-ecological evaluation of soil samples of Solan and Shimla districts of Himachal Pradesh has been carried out for risk and dose... 相似文献
60.
Mukherjee Tuhin Behl Tapan Sharma Sanchay Sehgal Aayush Singh Sukhbir Sharma Neelam Mathew Bijo Kaur Jasleen Kaur Ratandeep Das Mayukh Aleya Lotfi Bungau Simona 《Environmental science and pollution research international》2022,29(6):8109-8125
Environmental Science and Pollution Research - Vasoactive intestinal peptide (VIP) is a neuropeptide that is produced by the lymphoid cells and plays a major role in immunological functions for... 相似文献