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590 articles for “control group”
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Research ArticleOpen accessIn the abstractEffects of an Educational Scenario Exercise on Participants' Competencies of Systemic ThinkingSimon BurandtProblem statement: Education for sustainable development (ESD) aims to shape key competencies of individuals and therefore needs methods to enable learners to acquire these competencies. Systemic thinking can be regarded as a meta-competency in ESD, because it contains many important aspects found in most key competencies of ESD. Scenario analysis is described as a learning environment that fosters the acquisition … …Journal of Social Sciences, Vol. 7, Issue 1 · 18 Dec 2010 · 8,741 accessesView PDFCite
Research ArticleOpen accessIn the abstractLow Cost Interactive Electronic Whiteboard Using Nintendo Wii RemoteDalbir Singh, Ridha Omar, Azfar AnuarProblem statement: The application of interactive whiteboard offers extensive benefits in the learning and teaching process for classroom environment. The high cost associated with commercial interactive whiteboard may hinder its application in primary or secondary school, especially in developing countries. Thus, this study describes the methods used to create a low cost interactive and viable electronic whiteboard by using the … …American Journal of Applied Sciences, Vol. 7, Issue 11 · 8 Nov 2010 · 7,797 accessesView PDFCite
Research ArticleOpen accessIn the abstractTo Seek the Hidden MonsterK. K. Rahul, S. AmbujamProblem statement: The asymptomatic stage of HIV infection is dealt with in detail in all Dermatology books. Patients in this stage present with skin lesions that occur even in the immunocompetent. However when these lesions recur, are atypical, aggressive or unresponsive to treatment, it is worthwhile to go back into the history to ascertain if there is a history of … …Current Research in Medicine, Vol. 1, Issue 2 · 31 Oct 2010 · 6,932 accessesView PDFCite
Research ArticleOpen accessIn the abstractEndothelial Dysfunction and Insulin Resistance as Pathophysiologic Mechanisms in a Rat Model of PreeclampsiaAyman Z. Elsamanoudy, Amr M. AbbasProblem statement: To assess the plasma concentrations and placental gene expression of soluble fms like tyrosine kinase (sFlt-1), Vascular Endothelial Growth Factor (VEGF), visfatin and Tumour Necrosis Factor α (TNFα) in a rat model of preeclampsia, induced by chronic Reduction of Uterine Perfusion Pressure (RUPP) and to investigate the involvement of Insulin Resistance (IR) in the pathophysiology of preeclampsia and … …American Journal of Biochemistry and Biotechnology, Vol. 6, Issue 3 · 30 Sep 2010 · 7,509 accessesView PDFCite
Research ArticleOpen accessIn the abstractExpression of Adiponectin Receptors in Human Placenta and Its Possible Implication in Gestational DiabetesNaglaa Fathy Al Husseini, Mosaad M. Odaa, M.A. Mohamed et al.Problem statement: Similar to obese patients and type 2 diabetic patients, adiponectin levels are reduced in former Gestational Diabetes Mellitus (GDM) patients and are lower in GDM women during late pregnancy compared with pregnant control subjects matched for BMI. Diabetic insult at later stages in gestation, such as may occur in gestational diabetes, will foremost lead to short-term changes in … …American Journal of Biochemistry and Biotechnology, Vol. 6, Issue 2 · 30 Jun 2010 · 8,199 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects of N-Acetylcysteine on Auditory Brainstem Response Threshold Shift in Rabbits Exposed to Noise and Carbon MonoxideSeyedbagher Mortazavi, Masoud Motalebi Kashani, Ali Khavanin et al.Problem statement: Noise Induced Hearing Loss (NIHL) is one of the most important occupational disease in worldwide. NIHL has been found to be potentiated by simultaneous Carbon monoxide (CO) exposure. Exposure to noise plus CO is common in occupational and environmental settings. Free radicals have been implicated in cochlear damage resulting from exposure to noise and due to CO hypoxia … …American Journal of Applied Sciences, Vol. 7, Issue 2 · 28 Feb 2010 · 8,044 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effect of Methionine and Threonine Supplementations on Immune Responses of Broiler Chickens Challenged with Infectious Bursal DiseaseElham Maroufyan, Azhar Kasim, Seyed Reza Hashemi et al.Problem statement: The aim of this study was conducted to determine the effects of supplementing methionine and threonine higher than the National Research Council (NRC) recommendation in the diets on immune responses of broiler chickens challenged with Infectious Bursal Disease (IBD). Approach: A total of 450 day-old male broiler chicks were assigned to one of the nine dietary treatments. Three … …American Journal of Applied Sciences, Vol. 7, Issue 1 · 31 Jan 2010 · 8,846 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Relationship between School, Class and Co-Curriculum Absenteeism on the Academic Performance of Selected Secondary SchoolAzizi Yahaya, Jamaludin Ramli, Shahrin Hashim et al.Problem statement: The purpose of this study is to identify the relationship between causes of truant, types of truant and activities done during truant against academic achievement among the lower secondary students. Approach: The research instrument used in this study was questionnaire with Likert scale. The respondents for this study were 80 students were randomly chosen as respondents through simple … …Journal of Social Sciences, Vol. 5, Issue 4 · 31 Dec 2009 · 8,102 accessesView PDFCite
Research ArticleOpen accessIn the abstractReproductive Toxicology of Tartrazine (FD and C Yellow No. 5) in Swiss Albino MiceN. Mehedi, S. Ainad-Tabet, N. Mokrane et al.Problem statement: Tartrazine (FD and C Yellow No. 5) is an orange-colored widely used in food products, drugs and cosmetics. This color has a potential toxicological risk. The current study evaluated the effect of sub-chronic consumption of tartrazine on the male reproductive system. Approach: Tartrazine was administered to adult male mice in drinking water at doses of 0, 0.1, 1 … …American Journal of Pharmacology and Toxicology, Vol. 4, Issue 4 · 31 Dec 2009 · 10,415 accessesView PDFCite
Research ArticleOpen accessIn the abstractAnti-Phytopthora capsici Activities and Potential Use as Antifungal in Agriculture of Alpinia galanga Swartz, Curcuma longa Linn, Boesenbergia pandurata Schut and Chromolaena odorata: Bioactivities Guided Isolation of Active IngredientsWilart Pompimon, Jinnantina Jomduang, Uma Prawat, Samlee MankhetkornProblem statement: Plant derived fungicides are now being subjects of many research groups. These secondary metabolites have enormous potential to inspire and influence modern agrochemical research. The study aimed to investigate the antifungal activity and their potential use as fungicides in the agriculture of crude extracts and purified compounds derived from plants used in traditional medicines. Approach: Four medicinal plants … …American Journal of Agricultural and Biological Sciences, Vol. 4, Issue 1 · 31 Mar 2009 · 8,709 accessesView PDFCite