of these ligands to see which is the most effective against cancer cells‚" adds Dr Willans. The research‚ still the first phase of drug development‚ involved exposing breast and colon cancer cells with different silver-based chemicals for six day periods. It has been shown that ligands which are co-ordinately bonded to the central silver atom through two sites are more effective than those coordinated through only one site. This may be due to the release of silver being much slower and make these
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Effect of Colonization on Europe and the Americas Colonization of the Americas by European nations was a significant historical event that began in the 15th century. Starting with Portugal’s forays into overseas exploration‚ the phenomenon soon spread to different European countries‚ with Spain and Portugal divvying up the South American continent. Discoveries in the new world led to economic growth in Europe. Meanwhile‚ introduction of European ideas led to an overhaul of the Native American economy
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Philippines’ Colonization Maurice Deborah S. Tolentino English PACE 1132 July 17‚ 2013
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Between the 1500’s and 1600’s European countries sent out voyages that were told to find countries to colonize‚ colonization was essential to the mother countries economy and political agenda and also countries in the old world over populated and some were looking for religion freedom. They used the new words materials such as Furs‚ tobacco‚ meat‚ grain‚ flour‚ bread‚ barrel staves‚ lumber‚ horses‚ cloth‚ and iron just to name a few and also import goods from the mother country to help the economy
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Spanish Colonization Early Spanish expeditions Ferdinand Magellan arrived in the Philippines in 1521. The Philippine islands first came to the attention of Europeans with the Spanish expedition around the world led by Portuguese explorer Ferdinand Magellan in 1521. Magellan landed on the island of Cebu‚ claiming the lands for Spain and naming them Islas de San Lazaro. He set up friendly relations with some of the local chieftains and converted some of them to Roman Catholicism. However‚ Magellan
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Factors affecting the time period of a pendulum Aim: To investigate the factors affecting the time period of a pendulum. Introduction: The time period of a pendulum is the time taken for the pendulum to swing from the first position‚ A‚ through positions B and C and back to position A again. [pic] Many factors can affect the time period of the pendulum. These factors are: length of string‚ angle from which the pendulum is dropped‚ the air resistance and the weight of the pendulum. In
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Is a discovery an invention or is an invention a discovery? This is one question that can probably never be answered. A discovery can be defined as something which already existed‚ and is excavated after one notice’s it or proves its existence . Invention is the creation of something which didn’t exist before it was created by a genius mind . For instance‚ Newton discovered the existence of gravity when an apple fell on his head. It did exist before Newton realizes its existence‚ but
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Art In Focus. It followed the Middle Ages‚ and was basically a time of the revival of learning after the Middle Ages‚ or Dark Ages‚ a time with little increase of ideas‚ inventions or developments. During the Renaissance‚ art was a branch of knowledge. It was a way to show God and his creations‚ as well as a science‚ of anatomy and perspective. Also during the Renaissance there were many people who used art as a way to record discoveries and inspired people to take pleasure in the world around them
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The Impact of Colonization in the Country of Botswana Botswana’s peaceful transition to independence was unique and historical on the continent of Africa; yet Botswana’s road to a stabilized government and economic success lack perfection. Unlike any other country in Africa‚ Botswana applied for their independence from the British and their request was accepted. Simultaneously the British became the protectorate over Botswana territory at the request of the Tswana chiefs. According to Gretchen
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link 2 (gr10) The world around 1600 History Essay The World around 1600 Essay The 1600 was a time of great changes in the world. Trade and expansion dominated almost all societies. Ming China‚ the Songhai and Mughal Empires can be in contrast to European societies as they were ‘advanced societies’ technologically and scientifically. However these three empires collapsed due to invasions and revolts‚ whereas Europe‚ in the Middle Ages was secular‚ dominated by the church and the land
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