735 research outputs found
Must International Legal Pedagogy Remain Eurocentric?
Mainstream international law is Eurocentric. Throughout the past half millennia, no territory beyond Europe was safe from jus gentium's striking capability to legitimize the intrusion of European civilizational precepts. Beginning with the Americas but quickly shifting to Africa and Asia, each continent was a battleground for the penetration of a provincial knowledge system. In this paper, I explore the implications of Eurocentrism for international legal pedagogy. While textbook authors now pay homage to other civilizations, their effusions are ornamental only. Instead of supporting epistemological equivalency, they centre European international law throughout their works, exorcising the brutalities of European history that generated the law in question. After setting out the dilemma, I outline three approaches towards transforming international legal pedagogy that capitalize on the decolonization movement. Each method builds on the premise that, without epistemic diversity, legal pedagogy will continue to rationalize European international law's predatory impulse
Physiological and Histopathological Investigations on the Effects of α-Lipoic Acid in Rats Exposed to Malathion
The present study was designed to evaluate the influence of α-lipoic acid treatment in rats exposed to malathion. Forty adult male rats were used in this study and distributed into four groups. Animals of group 1 were untreated and served as control. Rats of group 2 were orally given malathion at a dose level of 100 mg/kg body weight (BW) for a period of one month. Experimental animals of group 3 were orally given α-lipoic acid at a dose level of 20 mg/kg BW and after 3 hours exposed to malathion at the same dose given to group 2. Rats of group 4 were supplemented with α-lipoic acid at the same dose given to group 3. The activities of serum glutamic oxaloacetic acid transaminase (GOT), glutamic pyruvic acid transaminase (GPT), alkaline phosphatase (ALP), and acid phosphatase (ACP), and the values of creatinine, urea, and uric acid were statistically increased, while the values of total protein and total albumin were significantly decreased in rats exposed to malathion. Moreover, administration of malathion for one month resulted in damage of liver and kidney structures. Administration of α-lipoic acid before malathion exposure to rat can prevent severe alterations of hematobiochemical parameters and disruptions of liver and kidney structures. In conclusion, this study obviously demonstrated that pretreatment with α-lipoic acid significantly attenuated the physiological and histopathological alterations induced by malathion. Also, the present study identifies new areas of research for development of better therapeutic agents for liver, kidney, and other organs' dysfunctions and diseases
Publisher's Note: "Solution processed multilayer polymer light-emitting diodes based on different molecular weight host" (vol 109, 074516, 2011)
Solution processed multilayer polymer light-emitting diodes (PLEDs) based on different molecular weight host have been investigated. A PLED based on high molecular weight poly (vinyl carbazole) PVKH and low molecular weight poly (vinyl carbazole) PVKL, doped with iridium, tris(2-phenylpyidine) Ir(ppy)3 as a host-guest emitting layer (EML), shows a dramatic increase in device efficiency. When the PVKH was used as a hole transport electron blocking layer (HT-EBL), effective electron blocking was achieved, which leads to an increase exciton population in the phosphorescent zone. The use of low molecular weight PVKL as a host material in the top layer prevents barrier formation for hole transport from the poly(3,4-ethylenedioxy-thiophene) (PEDOT)–EBL to the EML. External quantum efficiency of 11%, current efficiencies of 38 cd/A, power efficiency of 13 lm/W and brightness of 7000 cd/m2, were obtained. The effect of the PVKH layer on the electrical and optical device characteristics was investigated. Simulation of the optical outcoupling using SETFOS 3.1 software is in agreed with the observed results and allowed us to predict the emissive dipole location and distribution in the EML layer. The effect of the PVKH on the exciton quenching by the electrodes was also investigated using time resolved fluorescence photon counting, which indicates weak exciton quenching by the PEDOT layer and the device enhancement predominantly achieved by exciton confinement in the emissive layer
Gene Expression and Methylation Levels of PCSK9 Gene in Iraqi Patients with Coronary Artery Disease
يرتبط التعبير الجيني لجين PCSK9ارتباطًا وثيقًا بمستويات الدهون وخطر الإصابة بمرض تصلب الشرايين التاجية. تهدف الدراسة الحالية إلى قياس كمية التعبير الجيني للجين PCSK9 وتأثير المثيلة على مستوى تعبيره الذي يساهم في التسبب في اضطراب الشريان التاجي الحاد.
تضمنت الدراسة الحالية 150 شخصًا من المجتمع العراقي ، 100 مريض بمرض الشريان التاجي و 50 من الأصحاء. تم تحديد تركيز PCSK9 في كل عينات المصل المدروسة بواسطة تقنية ELISA ، وتم تقدير مستويات التعبير عن جين PCSK9 في الدم الكامل بطريقة qRT-PCR ، واكتشاف مستوى مثيلة الحمض النووي في جين PCSK9 باستخدام تقنية HRM-PCR.
كان التعبير عن جين ب مستوى اعلى PCSK9 6.06 ± 1.84 في مجموعة مرضى ASCAD مقارنة بمجموعة التحكم 1.00 ± 0.19. أيضا كان تركيز بروتين PCSK9 عالياً في مجموعة المرضى مقارنة بمجموعة الاصحاء P = <0.01. فضلا عن ان مستويات مثيلة PCSK9 ، اظهرت فرقاً معنوياً بين مجموعتي الدراسة بمستوى 0.002P=. في الختام ، ترتبط مستويات بروتين PCSK9 في المصل بمرض الشريان التاجي كما موضح في receiver operating characteristic (ROC) analysis ، مما يؤدي إلى اعتبار أن تركيز بروتين PCSK9 قد يكون مؤشرًا جيدًا لتطور مرض الشريان التاجي.The expression of the Proprotein Convertase Subtilisin/Kexin Type 9 gene (PCSK9) is inextricably related to lipid levels and a risk of atherosclerotic coronary artery disease (ASCAD). The present study aims to measure the quantity of PCSK9 gene expression and the effect of methylation on its expression level taking part in the pathogenesis of acute coronary artery disorder.
A current study included 150 subjects from the Iraqi population, 100 ASCAD patients and 50 healthy controls. The concentration of PCSK9 in each serum sample was determined by the ELISA technique, the expression levels of the PCSK9 gene in whole blood were estimated by RT-qPCR – Quantitative Reverse Transcription PCR method, and DNA methylation level detection in PCSK9 gene by using High Resolution Melting Analysis (HRM) technique.
The expression level of the PCSK9 gene was 6.06 ± 1.84 in ASCAD patients group compared with a control group 1.00 ±0.19. That indicates the up-regulation of the PCSK9 gene in patient with atherosclerosis. In addition, the PCSK9 concentration was higher in patient group in comparison to the healthy controls group P= < 0.01. However, PCSK9 methylation levels, a highly significant distinction between the two study groups p=0.002. In conclusion, serum PCSK9 levels are associated with coronary artery lesions as shown in receiver operating characteristic (ROC) analysis. Suggests that, serum PCSK9 might be a good indicator of coronary artery disease development
Attenuating Effect of Ginkgo biloba
The purpose of this study is to investigate the effect of Ginkgo biloba leaves extract on experimental liver fibrosis induced by thioacetamide (TAA) in male albino mice. The experimental mice were divided into four groups. The mice of the first group were served as control. The experimental animals of the second group were given 150 mg/kg body weight of TAA by intraperitoneal injection, twice weekly, for 9 weeks. The mice of the third group were exposed to TAA and supplemented with G. biloba leaves extract. The animals of the fourth group were supplemented with G. biloba leaves extract. The levels of plasma alanine aminotransferase, aspartate aminotransferase, gamma-glutamyl transferase, alkaline phosphatase, triglycerides, cholesterol, and low-density lipoprotein cholesterol were statistically increased while the levels of plasma total protein, albumin, glucose, and high-density lipoprotein cholesterol were significantly decreased. The levels of liver superoxide dismutase, glutathione, glycogen and total protein were notably declined, whereas the level of total lipid was increased in mice of the second group. Furthermore, microscopic examination of liver sections from mice treated with TAA showed an abnormal morphology characterized by nodular transformations in liver parenchyma which surrounded by fibrous septa. Administration of G. biloba leaves extract reduced extent and development of fibrous septa, liver cells change, and biochemical alterations in mice exposed to TAA. This study showed that G. biloba leaves extract has a potential activity against TAA-induced liver fibrosis and suggested that the chemical constituents of G. biloba are effective in modulation of oxidative stress induced by TAA
Medicinal Properties of Arabica coffee (Coffea arabica) Oil: An Overview
Coffee is one of the massive tropical crops in developing countries and historically understudied in subjects of crop nutrition and administration. Arabian coffee (Coffea arabica) plant belongs to the genus Coffea in the Rubiaceae family. It is known as the most widely recognized Coffea species created comprehensively summing up to over 75% of the all-out Coffea creation. Its compounds are a complex mixture of different chemicals that have many health benefits. The usage of various parts of a coffee plant, along with its oil is verified for the manufacturing of ancient medicines that helped in curing a number of ailments. These traditional uses were scientifically proven by many studies including psychoactive responses, neurological and metabolic disorders. Coffee oil consists mainly of triglycerol and fatty acids along with antioxidants. It also possesses some biologically active fatty acids that are anti-cancerous, anti-inflammatory, anti-bacterial, anti-diabetic and anti-atherosclerotic in nature. This paper provides the medicinal properties and scientific review of Arabica coffee Oil
Protective effect of some plant oils on diazinon induced hepatorenal toxicity in male rats
AbstractEnvironmental pollution and exposure to environmental pollutants are still some of the major global health issues. Pesticides have been linked to a wide range of health hazards. The toxicity of pesticides depends on several factors such as its chemical properties, doses, exposure period, exposure methods, gender, genetics, age, nutritional status and physiological case of exposed individuals. Medicinal plants, natural products and nutrition continue to play a central role in the healthcare system of large proportions of the world’s population. Alternative medicine plays an important role in health services around the world. The aim of this study was to investigate the effect of olive, sesame and black seed oils on hepatorenal toxicity induced by diazinon (DZN) in male rats. The experimental animals were divided into nine groups. The first group served as control. The second group was exposed to DZN. The third group was treated with olive oil and DZN. Rats of the fourth group were subjected to sesame oil and DZN. Rats of the fifth group were exposed to black seed oil and DZN. The sixth, seventh and eighth groups were supplemented with olive, sesame and black seed oils respectively. Rats of the ninth group were treated with corn oil. Levels of serum alanine aminotransferase, aspartate aminotransferase, alkaline phosphatase, gamma glutamyl transferase, total bilirubin, creatinine, blood urea nitrogen and malondialdehyde were significantly increased in rats exposed to DZN. Moreover, levels of serum glutathione and superoxide dismutase were significantly decreased. Several histopathological changes were observed in the structures of liver and kidney due to DZN exposure. This study showed that these oils attenuated the physiological disturbances and histopathological alterations induced by DZN intoxication. Moreover, the antioxidant properties of these oils support the bioactive roles of its protective effects on DZN toxicity. This study therefore suggests that these oils could be used as preventive factors against the toxicity of DZN due to its antioxidant properties
Protective effect of olive and juniper leaves extracts on nephrotoxicity induced by thioacetamide in male mice
AbstractThis study, for the first time, evaluates the effect of olive and juniper leaves extracts and their combination on thioacetamide (TAA)-induced nephrotoxicity in male mice. The experimental mice were divided into eight groups. Group 1 was served as control. Group 2 was exposed to TAA. Group 3 was treated with TAA and olive leaves extract. Group 4 was subjected to TAA and juniper leaves extract. Group 5 was exposed to TAA and olive and juniper leaves extracts. Groups 6, 7 and 8 were treated with olive, juniper, and olive and juniper leaves extracts respectively. In mice treated with only TAA, significant increases of blood urea nitrogen and uric acid were observed after six weeks. Moreover, levels of serum creatinine, blood urea nitrogen and uric acid were statistically increased in mice administrated with only TAA for twelve weeks. Insignificant alterations in levels of these haematobiochemical parameters were noted in other treated groups after six and twelve weeks. Histopathological evaluations of renal sections from mice treated with only TAA for twelve weeks showed severe damage of the renal corpuscles. Furthermore, the renal sections from mice treated with TAA and olive leaves extract, TAA and juniper leaves extract, TAA and olive and juniper leaves extracts, olive leaves extract, juniper leaves extract, and olive and juniper leaves extracts showed normal structures. In addition, it is conceivable therefore, that these extracts exhibit protective influences against TAA-induced nephrotoxicity, probably mediated through the antioxidative pathway roles
Global dynamic topography observations reveal limited influence of large-scale mantle flow
Convective circulation of the Earth’s mantle maintains some fraction of surface topography that varies with space and time. Most predictive models show that this dynamic topography has peak amplitudes of about ±2km, dominated by wavelengths of 10⁴km. Here, we test these models against our comprehensive observational database of 2,120 spot measurements of dynamic topography that were determined by analysing oceanic seismic surveys. These accurate measurements have typical peak amplitudes of ±1km and wavelengths of approximately 10³km, and are combined with limited continental constraints to
generate a global spherical harmonic model whose robustness has been carefully tested and benchmarked. Our power spectral analysis reveals significant discrepancies between observed and predicted dynamic topography. At longer wavelengths (such as 10⁴km), observed dynamic topography has peak amplitudes of about ±500m. At shorter wavelengths (such as 10³km), significant dynamic topography is still observed. We show that these discrepancies can be explained if short-wavelength dynamic topography is generated by temperature-driven density anomalies within a sub-plate asthenospheric channel. Stratigraphic observations from adjacent continental margins show that these dynamic topographic signals evolve quickly with time. More rapid temporal and spatial changes in vertical displacement of the Earth’s surface have direct consequences for fields as diverse as mantle flow, oceanic circulation and long-term climate change
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