Biomaterials 21 (2000) 2529}2543 Sca!olds in tissue engineering bone and cartilage Dietmar W. Hutmacher Laboratory for Biomedical Engineering‚ Institute of Engineering Science‚ Department of Orthopedic Surgery‚ National University of Singapore‚ 10 Kent Ridge Crescent‚ Singapore 119260‚ Singapore Abstract Musculoskeletal tissue‚ bone and cartilage are under extensive investigation in tissue engineering research. A number of biodegradable and bioresorbable materials‚ as well as sca!old designs
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The Aztecs civilization and the Mayan civilization where the most important civilizations from the new world that amazed many of the Europeans that came to conquer this wonderful rich land. The Europeans where amazed with the Aztec and Mayan culture‚ their ways of life‚ their geographical surroundings and their technology. The Europeans and historians today find that the Aztecs and the Mayans where similar in some ways of life like their culture‚ their technology‚ their religious events and at the
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In the beginning‚ the boys start off civil with a leader‚ shelters‚ and rules. “ “That’s what this shells called. I’ll give the conch to the next person to speak. He can hold it when he’s speaking.” ” The conch is a symbol of civilization. It kept order and encouraged the boys to have respect for each other. However‚ the boys turn to savagery. The become lazy and rebellious. Also‚ they start wearing war paint and lose faith in being rescued. “ “I’ve been watching the sea. There
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Chapter 6 Network Optimization Problems Review Questions 6.1-1 A supply node is a node where the net amount of flow generated is a fixed positive number. A demand node is a node where the net amount of flow generated is a fixed negative number. A transshipment node is a node where the net amount of flow generated is fixed at zero. 6.1-2 The maximum amount of flow allowed through an arc is referred to as the capacity of that arc. 6.1-3 The objective is to minimize the total cost of sending
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October 23‚ 2012 Why were the river valley civilizations so similar even though they were in different parts of the world? Approximately 5000 years ago‚ the first complex civilizations began to come about along a number of river valleys throughout the southern half of Asia and northern Africa. River valleys were very suitable places for a civilization to live and for societies to evolve in‚ because the rivers created the fertile land for farming. Also the people could use the water for drinking
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Chapter 2 summary In chapter two I had read about the emergence of civilization in India and the Harappan society. Approximately four thousand years ago the Aryan people moved southward which were settled in central Asia before. India has and still is country of diversity the religions Buddhism and Hinduism started in India. Also India is home to some of the highest mountains on earth which are the Himalaya and Karakoram mountain ranges. The Harappan civilization shared some
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Name_______________________Period___________ Chapter 6: A Tour of the Cell Concept 6.1 Biologists use microscopes and the tools of biochemistry to study cells 1. The study of cells has been limited by their small size‚ and so they were not seen and described until 1665‚ when Robert Hooke first looked at dead cells from an oak tree. His contemporary‚ Anton van Leeuwenhoek‚ crafted lenses and with the improvements in optical aids‚ a new world was opened. Magnification and resolving power limit
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boy and is at the age to where he needs to start figuring out what he wants to do with his life‚ rather than do basically nothing with his life like his father. “The widow she cried over me…and the things go better.” The third paragraph on the first page is Huck talking about his relationship with his guardian‚ Widow Douglas. She is important in his life because she takes care of Huck; it seems as though she is trying to protect him from his father. She knows that if his father gets custody of
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Conjugar los verbos regulares‚ irregulares y reflexives LOS VERBOS REGULARES: TrabajAR VivIR VendER Yo -o -o -o Tu -as -es -es El‚ ella‚ usted -a -e -e Nosotros/as -amos -imos -emos Vosotros/as -ais -is -eis Ellos/as‚ usted -an -en -en Verbos regulares: FabricAR (to manufacture)‚ EstudiAR (to study) LOS VERBOS IRREGULARES: Preferir Querer (To want) Poder (To can) Yo prefiero quiero puedo Tu prefieres quieres puedes El‚ ella‚ usted
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Diversity 001. A Continent of Villages‚ to 1500 1American Communities: Cahokia: Thirteenth-Century Life on the MississippiSettling the Continent 3 * Who Are the Indian People? 3 * Migration from Asia 3 * Clovis: The First American Technology 5New Ways of Living on the Land 6 * Hunting Traditions 7 * Desert Culture 7 * Forest Efficiency 9The Development of Farming 9 * Mexico 9 * The Resisted Revolution 10 * Increasing Social Complexity 11 * The Religions of Foragers and Farmers 12
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