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cellulose derivaties Essay Examples

144 total results

A Report on the Earliest Synthetic Polymers – Cellulose Derivatives (576 words, 1 pages)

Early Synthetic Polymers Polymers have been around longer than we have. In fact, polymers are as old as life itself, as all life on earth is based on three types of polymers, namely DNA, RNA, and proteins. But this report is about some of the earliest synthetic polymers, that is, ... Read More

An Introduction to Biochemistry and an Experiment on the Optimum Temperature of Enzymes (1046 words, 4 pages)

Introduction to Biochemistry and EnzymesGlucose00Glucose is a hexose shaped 6 carbon sugar, it is a basic unit of carbohydrate and is needed by cells for respiration. Respiration happens within animals and plants, as it is the release of energy for all life processes. Glucose is the substrate of respiration which ... Read More

A Biochemistry Experiment to Determine the Effect of Changing the Rate of Reaction in Increasing the Concentration of Enzyme Catalyse (2378 words, 8 pages)

Biochemistry and Enzymes1. See diagram attached of the chemical structure of glucose. See diagram attached of how two glucose molecules join together.AmyloseSee diagram attached.Glycogen See diagram attached.Cellulose See diagram attached. Glucose is a type of sugar that is found within the bloodstream, it is transported through the bloodstream supplying energy ... Read More

A Study of the Relation Between Nutrition and Intellectual Capacity (1416 words, 6 pages)

This study aims to understand the ambiguous relationship between nutrition and intelligence and how varying diets with diverse nutritional intakes for can have an effect on overall intelligence. The independent variable of this experiment was nutrition which was comprised of two distinct variables low nutritional value food (donuts) and high ... Read More

An Experiment on How to Properly Test Solutions with Iodine and Benedict’s Solution (640 words, 3 pages)

Carbohydrates Chemistry and IdentificationPurposeThis experiment taught us how to properly test solutions with iodine and with Benedicts solution, as well as how to determine the type of carbohydrate (monosaccharide, disaccharide, or polysaccharide) from the results of the iodine and Benedicts tests.HypothesisBased on educated guesses, I created the following hypotheses for ... Read More

A History of the American Fiber Manufacturers Association (1521 words, 5 pages)

The American Fiber Manufacturers Association is a trade association for companies in the United States that manufacture synthetic and cellulosic fibers. This industry in the United States alone employs twenty-seven thousand people, produces over six billion pounds of fiber, and has annual sales that exceed eight billion dollars. Even though ... Read More

The Importance and Applications of Mercerising Fibres (1576 words, 8 pages)

MercerisationThe processMercerising is a finishing technique used on cellulosic fibres, most commonly cotton and to a lesser extent linen. This finishing technique is used to make the fabric stronger, smoother and shinier.The mercerising process involves the treatment of cellulosic fibres with sodium hydroxide solution while the fibres or fabric are ... Read More

Dyeing a Fabric Using Indigo Dye and Vat Dyeing Techniques (1394 words, 5 pages)

Indigo Vat DyeingPurposeTo dye fabric using a common dye, indigo, and vat dyeing techniques.BackgroundIndigo is insoluble in water but is easily reduced by sodium dithionite (sodium hydrosulfite, Na2S204) in a strong alkaline solution to produce a water-soluble leucoindigo. This leuco base is strongly attracted to cellulose. After the reduced dye ... Read More

A Study of the Effects of Gibberellic Acid on Lincoln Wild Type Peas and Dwarf Gray Sugar Snow Peas (1357 words, 9 pages)

Since Gregor Mendel, pea plants have been used for over 200 years now as the brunt of scientific experiments mostly for studying genetics and inheritance of traits, however in the following experiment they were used to study the effects of growth hormones on plants In the lab portion of our ... Read More

The Roles and Functions of Plant Cell Walls and Plasmodesmata (494 words, 2 pages)

Roles and regulation of plant cell and plasmodesmataThere are various functions that plant cell walls perform in the plant.one of the key role of the plant cell walls is to provide mechanical support to the plant. The plant cell wall acts as the skeletal framework of the plant. The secondary ... Read More

An Analysis of the Regulatory Functions of Plant Cells (1124 words, 4 pages)

Regulation of Plant CellsPlant cells have a high concentration of molecules that are dissolved in their cytoplasm. This causes water to flow in and out depending on the concentration of the molecules in the plant in a process called osmosis. When water comes into the cell, the vacuoles in the ... Read More

An Overview of Plant Cell Wall and Plasmodesmata (392 words, 1 pages)

Plant cell wallPlant cell was are an essential feature of plant cells. Plant cell walls are usually categorized in two forms. These two forms include the primary walls and secondary cell walls. The primary cell walls surround other cells that are capable of growing in plants while the secondary cells ... Read More

Is Carbohydrate Good for Our Health? (1957 words, 7 pages)

Is Carbohydrate Good For Our Health.Carbohydrate involves any large group of the organic compounds that occurs in living tissues and foods that includes starch, cellulose, and sugars. Carbohydrate usually contains oxygen and hydrogen in a similar ratio as the water does of 12 respectively. In the animal body particularly the ... Read More

The Development of the Concept of Chemoautotrophy by Sergei Winogradsky Using The Winogradsky Column (1911 words, 12 pages)

IntroductionThe Winogradsky column is a model ecosystem that is used to study a wide array of bacteria. When Sergei Winogradsky originally used the device to investigate soil he developed the concept of chemoautotrophy. I hypothesize that I will see various types of bacteria grow as the weeks go by. I ... Read More

An Analysis of the Price of the Resource Ethanol in the United States (552 words, 2 pages)

The Price of BiofuelsThe challenge of finding a new energy source to stray away from fossil fuels is a path with many challenges. There is a lot of pressure to push alternative fuel sources like ethanol into the market, but there are numerous problems and issues that need to be ... Read More

The Purpose of Classifying Anthocyanidin Compounds That Had Been Isolated from Anthocyanins in Different Berries (2067 words, 9 pages)

Using UV-Vis Spectroscopy and Chromatography to Classify Anthocyanidins AbstractThis experiment was performed with the purpose to classify anthocyanidin compounds that had been isolated from anthocyanins in different berries. This was accomplished through chromatography and UV-Vis spectrophotometric analysis. The results showed that the blueberry samples had the highest Rf values in ... Read More

A Comparison of Plants and Biofuels as Alternative Sources of Renewable Energy Source (1685 words, 9 pages)

Comparison of Plants Used for Biofuel ProductionAlternative energy sources have been a major discussion in recent years, especially now that we are gathering more data which validates the theory of climate change. Solar, wind, nuclear, and geothermal energy sources are now increasing in popularity, but none of those options are ... Read More

A Discussion on the Climate Change as a Threat to All Ecosystems (3102 words, 18 pages)

Climate change poses a tremendous threat to all ecosystems, including Homo sapiens and industrial ecosystems. Mitigation of this risk is vital for long-term viability of the home planet. A primary cause of climate change is carbon dioxide, a product of hydrocarbon combustion. Combustion engines are a significant industrial resource and ... Read More

Understanding How Biofuels are Produced and Used (1171 words, 4 pages)

Biofuels Ethanol from CelluloseWhat is a biofuel? Biofuels are fuels that are produced either directly or indirectly form biomass (organic material) that can include plant materials and or animal wastes. These biofuels can then be use to create energy that is called bioenergy. In total, bioenergy makes up about 10 ... Read More

The Dream That Pays off (760 words, 1 pages)

My brother was studying for his biology test. The next morning he was telling me about the dream he had. He said he traveled through a cell. I started to call him insane. My brother have an educational dream? I thought to myself, impossible. My brother started to tell me ... Read More

The Role and Importance of Vitamins, Nutrients and Minerals to Our Body (494 words, 2 pages)

When one hears the three words vitamins, nutrients, and minerals, they think of one thing-being healthy and noticing what your intake is daily. Nutrition is all about vitamins and nutrients. Firstly, vitamins are an organic compound required by the body in small amounts of metabolism, to protect health, and for ... Read More

A Discussion of the Debate About the Legalization of Marijuana in the U.S. (1701 words, 3 pages)

Lets Legalize it.The legalization of drugs has been a topic for many years now. Some people think that if the government controls it, then the problems it causes will decrease. I am not one of these people. The legalization of marijuana serves no purpose in the lives of people, but ... Read More

An Introduction to the Commercial Papermaking in the 20th Century Civilization (1026 words, 2 pages)

Commercial PapermakingPaper in 20th-century civilization, is one of our most important industrial products. Books, magazines, and newspapers are printed on paper. Data from computers are usually printed on paper. Education, government and industry could not operate without printing and writing on paper. Paperboard (used in packaging), and absorbent papers (tissue ... Read More

The History of Plastics and the Various Types of Plastics Available (602 words, 2 pages)

Its Everywhere!!Everywhere you look, there it is. You simply cannot avoid it. What is it? Plastic, of course. Have you heard the ads for cotton (Its the fabric of our lives)? Plastic is comparatively important. Its is the backbone of our day to day existences. Think carefully, not one day ... Read More

A Look at the Three Types of Early Synthetic Polymers (576 words, 2 pages)

Polymers have been around longer than we have. In fact, polymers are as old as life itself, as all life on earth is based on three types of polymers, namely DNA, RNA, and proteins. But this report is about some of the earliest synthetic polymers, that is, polymers made by ... Read More

The Discovery and Use of Plastics in Everyday Living (554 words, 1 pages)

A History of PlasticPlastics are a huge part of our lives. Most people use different types of plastics hundreds of times a day. Most of those people dont even know what type of plastic they are using. If you would walk up to someone on the street, and ask them ... Read More

An Analysis of the Benefits of the Use of Plastics in Modern Society (833 words, 3 pages)

Many individuals today have civilized bodies and barbarous souls. Many are blind to the real sights of this world and deaf to its voice. However, no matter how ignorant one may be, he or she cannot disregard the significance of plastics in his or her life. Although they were not ... Read More

A Study of Carbohydrates (806 words, 2 pages)

Carbohydrates are present in sugars, starch, acids, and in many other nutrients that consist elements of carbon, hydrogen, and oxygen. Having a ratio of 1 2 1 or written as CH20. A monosaccharide meaning monomer of sugar is a "simple" carbohydrate. Containing backbone of five carbon atoms that are present ... Read More

A Report from an Experiment on Carbohydrates (806 words, 2 pages)

The War Against Marijuana in the United States (3536 words, 7 pages)

War Against MarijuanaA total of 3,470,545 Americans have been arrested for marijuana offenses. In 1997 state and local law enforcement arrested 695,200 people for marijuana violations. That number is the highest ever recorded by the FBI. Of the 682,885 arrests made in 1998, approximately 88 were for simple possession. The ... Read More

Published: Friday 25th of January 2013