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187 results for “environmental studies”
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Research ArticleOpen accessIn the abstractOrganochlorine Pesticide Residues in Fish Samples from Lagos Lagoon, NigeriaDavid Adeyemi, Grace Ukpo, Chimezie Anyakora, JohnPaul UnyimaduThe organochlorine pesticide (OCPs) residues were measured in three species of fish Tilapia zilli (Red belly Tilapia), Ethmalosa fimbriata (Bonga Shad) and Chrysichthys nigrodigitatus (Catfish). These fish species are a significant part of the diet of residents of Lagos Nigeria. The organochlorine pesticides analyzed include DDT(pp'1,1,1-trichloro-2,2-bis-(4-chlorophenyl) ethane), DDD, DDE (pp 1,1-dichloro-2, 2-bis-(4-chlorophenyl) ethylene, HCH (gamma 1,2,3,4,5,6-hexachlorocylohexane, HCB (hexachlorobenzene),Dieldrin (1,2,3,4,10,10-hexachloro-6,7-epoxy-1,4,4a,5,6,7,8,8a octahydro-1,4,5,8 … …American Journal of Environmental Sciences, Vol. 4, Issue 6 · 31 Dec 2008 · 9,909 accessesView PDFCite
Research ArticleOpen accessIn the abstractHuman Computer Interaction Approach in Developing Customer Relationship ManagementMohd H.N.M. Nasir, Mustaffa Kamal, Wan A.W. RozaliProblem statement: Many published studies have found that more than 50% of Customer Relationship Management (CRM) system implementations have failed due to the failure of system usability and does not fulfilled user expectation. This study presented the issues that contributed to the failures of CRM system and proposed a prototype of CRM system developed using Human Computer Interaction approaches in … …Journal of Computer Science, Vol. 4, Issue 7 · 31 Jul 2008 · 7,144 accessesView PDFCite
Research ArticleOpen accessIn the abstractElucidating the Mechanism(s) of Hormesis at the Cellular Level: The Universal Cell ResponsePaul S. AgutterMany environmental stressors elicit biphasic effects from single cells. Such cellular hormesis may be interpreted in terms of (a) the superimposition of simple biochemical processes or (b) the non-specific behaviour of the cell. The latter approach is emphasized in this article and identified with the universal cell response (UCR); however, the importance of identifying molecular-level concomitants of the UCR is … …American Journal of Pharmacology and Toxicology, Vol. 3, Issue 1 · 31 Mar 2008 · 13,118 accessesView PDFCite
Research ArticleOpen accessIn the abstractMean Age of Menarche in Trinidad and Its Relationship to Body Mass Index, Ethinicity and Mothers Age of MenarcheEdward O. Uche-Nwachi, A. Odekunle, Johann Gray et al.Menarche is the first menstrual period. It is the final event in the physical manifestation of gonadal development. A study in Europe found that the median age of menarche was 12 years and 11 months and that by the tenth year, 0.8% of the girls had their first menses, while the figure for the eleventh and twelfth years were 3.6 … …OnLine Journal of Biological Sciences, Vol. 7, Issue 2 · 31 Dec 2007 · 8,993 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Postgenomic Era: Transcriptomic as the New Paradigm of LifeBruno Giardina, Marcella Renis, Vito Latora, Salvatore MusumeciNow that complete genome sequences are available for a variety of organism, the elucidation of single gene function involved in the metabolism, includes necessarily a better understanding of the cellular responses on all levels of gene products, mRNA, proteins and metabolites. Such knowledge’s growth is essential since the observable properties of living organisms, so called phenotypes, are the results of … …OnLine Journal of Biological Sciences, Vol. 6, Issue 1 · 30 Jun 2006 · 6,826 accessesView PDFCite
Research ArticleOpen accessIn the abstractCortisol Response Mediates HIV-1-Related Cognitive Deficits Among Injecting Drug AbusersRaymond L. Ownby, Drenna Waldrop-Valverde, Adarsh M. Kumar et al.The cortisol response is an important measure of the endocrine activity to environmental challenges and has been related to cognitive function and mood. Previous studies have shown that the cortisol response to stress is dysregulated in persons with HIV-1 infection. Since cortisol is neurotoxic and its levels have been related to cognitive dysfunction in various disorders, it is possible that … …American Journal of Infectious Diseases, Vol. 2, Issue 2 · 30 Jun 2006 · 6,762 accessesView PDFCite
Research ArticleOpen accessIn the abstractFirms and their Responsibility towards NatureJerome Ballet, Damien BazinCorporate social responsibility is increasingly discussed in economics and management studies today. Corporate leaders often make use of this concept, which finds its origins in philosophy, to analyse the normative behaviour of their companies. But what exactly is corporate responsibility? Is it a mere concept currently in vogue, or is it a new structural approach which could indeed take responsibility … …Journal of Social Sciences, Vol. 1, Issue 1 · 31 Mar 2005 · 7,155 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordGreen Chemistry: Educating Prospective Science Teachers in Education for Sustainable Development at School of Educational Studies, USMMageswary Karpudewan, Zurida Hj Ismail, Norita MohamedProblem statement: Agenda 21 of Chapter 36 spelled out the role of education in imparting knowledge that could develop behavioral change that leads to sustainable lifestyle. In line with this, University Sains Malaysia has embarked on various projects and activities in educating and preparing the campus community towards tomorrow’s sustainability. One of the strategies taken to address ESD is through … …Journal of Social Sciences, Vol. 7, Issue 1 · 18 Dec 2010 · 9,397 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordFormation of Vegetation Cover and Soil Quality Indicators at the Mine Sites of a Gold-Bearing Deposit (the Case of Kara-Agash, Kazakhstan)Vadim Chashkov, Aliya Bugubaeva et al.At present, the processes of natural recovery, vegetation coverage, and degraded lands of several coal, iron ore, uranium, and polymetallic mines and gold-bearing deposits are well-studied. The present study aims to identify opportunities to shape the soil layer and vegetation cover on reclaimed dumps/tailings of industrial waste and degraded land via artificial restoration. For this purpose, in July 2023, studies … …OnLine Journal of Biological Sciences, Vol. 24, Issue 4 · 16 Sep 2024 · 4,773 accessesView PDFCite
Review ArticleOpen accessAll words, across the recordNanoplastics in the Environment and the Effects on the ZebrafishJimmy De León, María del C. Cotto, Francisco MárquezPlastic is one of the most used materials in the world, adopted in almost all activities of human life, but due to the high persistence and durability in the environment, it is causing pollution problems. Through different processes, small particles of polymers are emerging and the effects on the health are still unknown. The Danio rerio (zebrafish) is a model … …American Journal of Engineering and Applied Sciences, Vol. 12, Issue 4 · 8 Oct 2019 · 7,700 accessesView PDFCite