Redox

CHAPTER 1 INTRODUCTION 1.1 BACKGROUND The catalytic converter was invented by Eugene Houdry, a French mechanical engineer and skilled in catalytic oil refining who lived in the United States around 1950. The invention of catalytic converter has a major role in controlling harmful emissions. When the paper of smog in Los Angeles was published, Houdry became anxious about the role of smoke stack and automobile exhaust in air pollution and established a company, Oxy-Catalyst. Houdry primary…

Concerning nanotechnological consumer products, the most rapidly growing is the use of nanoparticles (NPs).(47) So far the knowledge regarding the safety aspects of NPs is still in its initial phase and greater efforts is needed to understand the interaction of NPs with the human body. (48) Several studies have reported that NPs always showed more serious toxicity than bulks and suggested that their size and the dose were the key factors influencing NPs toxic effects.(49) Despite of this, large…

Chemistry EE Concentration of Vitamin C in Kale Word Count: IB Number: 002811-00 Introduction Research question: How do different methods of cooking, namely steaming, baking, and frying, affect the amount of ascorbic acid in Kale? In a daily diet, arguably the most important thing to get a proper amount of is vitamins. Vitamins provide countless services and roles in the human body including helping with your immune system, repairing skin and bone tissues, and converting what you eat into…

The components of the lithium ion batteries include a positive electrode made of metal oxide, negative electrode made of carbon (graphite), a separator made of a micro-porous polymer, and an organic electrolyte (ether) that is made up of dissolved ions of lithium. During recharge, the lithium ions travel from the positive metal oxide to the negatively charged graphite electrode. The reverse flow occurs during discharge (when the battery is in use) (Carnegie, 40; Divya and Østergaard, 513).…

Critical illness in children may have an impact on long-term outcome. Over a three year period (Jan 2010 - December 2012), 57,949 children were admitted across 30 paediatric intensive care units (PICU) in the UK. Although outcomes are improving the number of admissions is increasing.\cite{Network:2013tj} There is a need for research into the most common therapeutic interventions instigated in paediatric intensive care. Supplemental oxygen is one such strategy. Oxygen is usually administered in…

DIAGNOSTIC PATHWAY FOR THORACIC MALIGNANCY MALIGNANT PLEURAL MESOTHELIOMA Malignant Pleural Mesothelioma (MPM) is a progressive, terminal disease of the pleural cavity. This tumour can be divided per their histology (2). Epithelioid is the most common mesothelioma while sarcomatoid type is the least common. The biphasic mesothelioma is a combination of the epithelioid and sarcomatoid type. The sarcomatoid mesothelioma is the lest common. Asbestos have been identified as the predominant cause…

The Cost of Nosocomial Infections in Health Care Research has shown that there were 462 deaths in 2013 related to airplane crashes; there are 205 deaths a day in US hospitals related to nosocomial infections. This could amount to almost 75,000 deaths in a year. In this day and age of advanced technology and medical knowledge, this is a frightening statistic. Part of the problem can be contributed to the continued overuse of antibiotics; some infections, such as Methicillin-resistant…

Kalyani et al (2009) studied an isolated strain of Pseudomonas sp. SUK1 from the waste disposal sites of local textile industries in India, with the objective of evaluate an ecofriendly textile dyes biodegradation. To isolate the microorganism, they first collected a soil sample from the waste disposal site and inoculated the sample in a nutrient medium with a dye. Then they incubated and plated in agar with dye. The colonies that had a halo of decolorization were selected to be submitted to…

III )Krebs cycle The Krebs cycle consists of five major points . There is in firstly the general overwiew of cellular respiration and in secondly mitochondrie structure then Acetyl-Coa wich contains Production and possible fates then Krebs Cycle wich contains reactions and regulation and finally Glyoxylate cycle. For the general overwiew of cellular respiration we will talk about cellular respiration. Cellular respiration is an aerobic phase of catabolism in which organic fuel molecule are…

Was More Copper Created? Harshal Patel* and Isaac Cenoz Chem 111-491 Introduction: Copper is one of the most important and diverse elements found in nature all over the world because it can be chemically reacted with many other elements and compounds. The purpose of this experiment was to identify the different reactions that occurred through the lab and the different types of reactions. Throughout the lab, copper was put through series of reactions to see the different combinations and how its…