Study on the Variable Star XX Andromeda

20 Feb 2018

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Abstract We present the results of a month long V-Band study on the RRab type variable star XX Andromeda. 4526 data points are used to plot a light curve, with 3 maxima observed and added to data from the GEOS database to create an O-C diagram. Three methods of estimating the pulsation period are used, including two Phase Dispersion Minimisation methods and an O-C method, resulting ...

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Effect of Tulsi and Neem Extract on Mosquito Larvae

20 Feb 2018

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Research question: What are the effects of medicinal plants like Ocimum sanctum (tulsi) and Azadirachta indica (neem) extract on the mortality of Culex larvae? ABSTRACT The effect of Neem and Tulsi on mosquito larvae. The project is aimed at finding natural pesticides or bio-pesticides that effectively control the mosquito population by killing mosquito larvae. They could be used as alternatives to the current pesticides used that ...

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Treatment of Ankle Syndesmosis Injuries

20 Feb 2018

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Chapter No. 1 1. INTRODUCTION Injuries to the distal tibiofibular syndesmosis are complex and remained controversial with regard to diagnosis and management. In United Kingdom, ankle fractures are the most common fracture among patients aged between 20 and 65 with the annual incidence reported as 90,000 (1). Twenty percent20% of ankle fractures requireing internal fixation (2), and or 10% of all ankle fractures are associated with ...

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Effect of Nematode on Tobacco

20 Feb 2018

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Tobacco 1.0 Introduction Tobacco (Nicotina tabacum L.) is one of the most important non- food crop and widely grown commercially (Akerhust, 1981). This plant had a high economic value and widely demanded throughout the world for the usage of the nicotine, cigarettes, cigars and other tobacco product (Akerhust, 1981). Nowadays, in Malaysia, Tobacco industry is very crucial in uplifting the socio-economic status of farmer in ...

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Development of Space Power in India

20 Feb 2018

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SPACE POWER- A FORCE MULTIPLIER “The vastness of space is a key factor in the war-form of the future” Alvin & Heidi Toffler[1] CHAPTER - I INTRODUCTION The Space has always been a matter of great interest to human race, which gazed and tried to explore this cosmic world for thousands of years. Even our own epics talk a lot about space and its utilisation. The ...

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Advances in DNA Sequencing Technologies

20 Feb 2018

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Abstract Recent advances in DNA sequencing technologies have led to efficient methods for determining the sequence of DNA. DNA sequencing was born in 1977 when Sanger et al proposed the chain termination method and Maxam and Gilbert proposed their own method in the same year. Sanger's method was proven to be the most favourable out of the two. Since the birth of DNA sequencing, efficient DNA ...

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Characterisation of Prostate Cancer Stem Cells

20 Feb 2018

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Abstract Background Advances in the study of cancer cells with stem cell characteristics may enable the development of new and improved cancer therapies. Stem cell marker expression can be investigated by QPCR and this sensitive method has been used to characterise prostate cancer stem cells. Methods Prostate cancer cell lines LNCaP and C42B were grown under adherent and nonadherent culture conditions. Non-adherent culture generated prostaspheres that ...

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Comparison of Pneumonia Management Methods

20 Feb 2018

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INTRODUCTION 1.1 Background: Pneumonia is the inflammation and consolidation of lung tissue due to an infectious agent (Marrie TJ, 1994). Pneumonia has the highest mortality rate among infectious diseases and represents the fifth leading cause of death (Brandstetter, 1993). Pneumonia causes excess morbidity, hospitalization, and mortality, especially among the elderly, the fastest growing sector of the population.According to first- or second-listed diagnosis, approximately 1 million persons ...

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The Photoelectric Effect

20 Feb 2018

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Assessment Task Topic: The Photoelectric Effect 1. Introduction The photoelectric effect is the name given to the phenomenon whereby electrons are emitted from a metal when exposed to electromagnetic radiation of the appropriate frequency. It was first discovered by Heinrich Hertz in 1887, but remained a conundrum to many scientists who sought to explain it, as it clearly contradicted the accepted principles of classical physics such ...

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Patient Diagnosis: Lack of Energy Presentation

20 Feb 2018

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Summary This dissertation is based on two patients who presented to medical services with a presenting complaint of a lack of energy?. My first patient, Mrs W, 61 years, has Diabetes Mellitus, type 2 and my second patient, Mr H, 59 years, has severe anaemia from unknown lower Gastrointestinal blood loss. I shall begin by focusing on the clinical aspects and basic medical sciences of their ...

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Types of Parasites

20 Feb 2018

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Chapter 1 General Introduction 1.0 Introduction 1.1 Fish Parasites Parasitism is an obligatory association between two distinct species, in which one species parasite is dependent on its host for nutrients and shelter (Elmer & Glenn, 1961). The parasites can be divided into two groups which are ectoparasites and endoparasites. Ectoparasites are found on the external surfaces of the host such as skin, fins and gills, while ...

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Neurological Aspects of Pain

20 Feb 2018

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1.1. Functional Properties of Nerve Fibres 1.1.1. Properties of Peripheral Somatic Nerves Peripheral somatic nerves consists generally of somatic-motor, autonomic-motor and sensible fibres. 1.1.1.1. Somatic-motor fibres for the striated musculature The cell bodys of somatomotor fibres for the striated musculature are always lying in the brainstem (12 pare cerebral nerves) or the fore horn of the whole spinal medulla. The stimulus runs from central to peripheral ...

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Malaria: Causes, Effects and Cures

20 Feb 2018

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Solving a Biological Problem Summary The chapter is about the methodology that is involved in exploring some understanding toward solving a biological problem while doing research in quest. With citation of example of malaria as a problem along with historical stage involved towards gradual understanding related to its causes leading to the findings to its cure and preventions, an attempt was made to present the approach ...

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Effect of the Local Environment on Bees

20 Feb 2018

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Local Environment Europe The effect of the local environment on bee abundance and diversity in regions throughout Europe. Bees have an important ecological role; they are insect pollinators providing a crucial service. Without insect pollination human diet would be very different to how we know it now. Declines in pollinators have been reported and by attempting to understand the how the local environment affects bee abundance ...

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Effects of Indoor Plants on Air Pollution

20 Feb 2018

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Are indoor plants adapted to get rid formaldehyde, Sipin, Elly Lorreta one of the noxious wastes commonly found at home 002348-019 nowadays? 1.0 Introduction I did further research and found out that indoor air pollution phenomenon has urged the NASA (National Aeronautics and Space Administration) scientists to study the functions of plants to provide clean indoor air. NASA has become the pioneer towards this research and ...

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Hydrogels for Wound Healing Applications

20 Feb 2018

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Abstract This chapter discusses about the hydrogels both natural and synthetic that can be used for wound healing applications. Also it discusses briefly about the various novel techniques that have been developed recently. Keywords: Hydrogels; Chitosan, Antimicrobial; Grafting; Blending; Wound dressing; Wound healing; Gene therapy, Stem cell therapy, Skin Engineering, pH and Thermosensitive polymers. 1 Introduction Healthcare is an essential aspect of human survival. So many ...

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Human Genome Project: Legal, Ethical and Social Implications

20 Feb 2018

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In this dissertation we consider the human genome project in its wider context. We take a brief overview of the aims, the working and the sequencing techniques used together with the timeline achieved. The ability to sequence genes has given a greater understanding of the human genome. This understanding has thrown up a great many legal, social medical and ethical problems and dilemmas which clearly need ...

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Use of HPV Vaccines for Cervical Cancer Prevention

20 Feb 2018

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HPV Vaccines: Will They Prevent Cervical cancer Introduction Human papilloma viruses (HPV) belong to the papillomaviridae family, they are double stranded DNA viruses. HPV is the most common sexually transmitted infection (STI) in the world (Urman et al. 2008). HPV is strongly associated with cervical cancer; more than 99% what are the other causes/factors please???????? of cervical cancer cases are positive for HPV DNA and ...

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Groundwater Use in Kathmandu Valley

20 Feb 2018

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Chapter IV A. Groundwater Use inKathmandu Valley Abstract: The Kathmandu Valley, bowl shaped of 651 Km2 basin areas, has gently sloping valley floor, valley plain terraces with scrap faces together with the flood plains. The valley has warm temperate-semitropical climate and intended circular shaped drainage basin with only one outlet. The valley is filled with the fluvio-lacustrine sediments of quaternary age, making three groundwater zones. Only ...

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Glass-ceramics: Types, Technology and Application

20 Feb 2018

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CHAPTER 1 1. Introduction 1.1 Glass-ceramics Glass-ceramics are fine-grained polycrystalline materials formed when glasses of suitable compositions are heat treated and thus undergo controlled crystallisation to the lower energy, crystalline state. It must be emphasised here that only specific glass compositions are suitable precursors for glass-ceramics due to the fact that some glasses are too stable and difficult to crystallise whereas others result in undesirable microstructures ...

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Aetiology of Gestational Diabetes Mellitus

20 Feb 2018

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Abstract Gestational Diabetes is a condition present in the later stages of pregnancy where the mother has insulin resistance leading to glucose intolerance. The aetiology of Gestational Diabetes Mellitus is largely unknown but several theories include autoimmune destruction of the beta cells, monogenic mutations and insulin resistance. In pregnancy it is normal for there to be some levels of insulin resistance and it is thought that ...

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Genetic Polymorphism Governing the CYP2D6 Cytrochrome

20 Feb 2018

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Genetic Polymorphism Governing the CYP2D6 Cytrochrome P450 Enzyme Subfamily in Drug Metabolism I. Abstract The decoding of the human genome has opened up an immense opportunity for further research in designing treatment plans that can be more personalized. The composition of a person's genome varies amongst individuals and also within populations. Individual responses to drug are inherited. The clinical implication of inter-individual variations is implicit ...

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Sperm Assessment Using Flow Cytometry

20 Feb 2018

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Abstract Flow cytometry is emerging as an important tool in the field of modern andrology for routine analysis of spermatozoa. Recently, application of flow cytometry in the artificial insemination industry especially for pig is a new approach. Until very recent, semen sample analysis was routinely performed by microscopical evaluation and manual techniques by laboratory operators; the analysis is affected by a wide imprecision related to variability ...

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Fibroblast Growth Factors (FGFs) in Neural Induction

20 Feb 2018

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Abstract Neural induction represents the first stage in the formation of the vertebrate nervous system from embryonic ectoderm. Fibroblast Growth Factors (FGFs), initially identified for their mitogenic and angiogenic roles in bovine brain extracts, are now known to have many developmental roles in particular that of neural induction, comprising of a family of 22 FGFs. Spemann and Mangold (1924) pioneered the study of neural induction through ...

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Drugs in the Treatment of Gastrointestinal Disease

20 Feb 2018

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Introduction Many of the drug groups discussed elsewhere in this book have important applications in the treatment of diseases of the gastrointestinal tract and other organs. Other groups are used almost exclusively for their effects on the gut; these are discussed in the following text according to their therapeutic uses. Drugs Used in Acid-Peptic Diseases   Acid-peptic diseases include gastroesophageal reflux, peptic ulcer (gastric and duodenal), ...

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Antidepressant Drugs: Types, Effects and Developments

20 Feb 2018

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Introduction: Depression is one of the parts of mental disorder which is affecting millions of people worldwide. [6] The logical analytical approach used in clinical and forensic toxicology for the identification of one or more Antidepressant Drugs as a cause of intoxication is largely based on both simple and fast screening methods which cover their extraction and identification including detection of their possible metabolites is been ...

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Anthropogenic Polycyclic Aromatic

20 Feb 2018

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Source Apportionment of Anthropogenic Polycyclic Aromatic Hydrocarbons (PAHs) by Molecular and Isotopic Characterization A dissertation submitted as part of the requirements for the Degree of Master of Science Abstract Polycyclic aromatic hydrocarbons (PAHs) are important, ubiquitous environmental pollutants known for their carcinogenic and mutagenic properties. They are released into the atmosphere, soil (which bears about 90% of the environmental PAH burden in the UK) and water ...

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Survey on Sanitary Conditions and Hygiene

20 Feb 2018

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ABSTRACT Mauritius is known as a paradise island, attracting thousands of tourists each year. During the last two decades this sector has undergone a rapid development making it one of the most important pillars of our economy. Nowadays our country relies a lot on this industry as it is a source of revenue for foreign currency. Our hotels accommodate the majority of this population. Hotels provide ...

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The Making of Fermented Beverages

12 Feb 2018

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The making of fermented beverages was discovered many thousands of years ago by primitive humans. This process of making fermented beverages has been practiced as an art over the years. However, within the past century, this art has evolved into a highly developed science. The beverage industry has a lot in common with other food industries. These common factors include taste, odour, colour & individual preference. ...

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Risks of Engineered Nanoparticles for the Environment

12 Feb 2018

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Abstract: The objectives of this article are to: (1) investigate the current state of knowledge of the risks of engineered nanoparticles for the environment and human health, (2) estimate whether this knowledge is sufficient to facilitate their comprehensive and effective risk assessment and (3) provide recommendations on future research in the field of risk assessment of nanomaterials. In order to meet the objectives, the relevance of ...

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