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20.441J Biomaterials-Tissue Interactions (MIT)
This course covers the principles of materials science and cell biology underlying the design of medical implants, artificial organs, and matrices for tissue engineering. Methods for biomaterials surface characterization and analysis of protein adsorption on biomaterials. Molecular and cellular interactions with biomaterials are analyzed in terms of unit cell processes, such as matrix synthesis, degradation, and contraction. Mechanisms underlying wound healing and tissue remodeling following imp
Author(s): Yannas, Ioannis,Spector, Myron

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Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative C

1.2.4 Checklist of common features

  • Is there any online help?

  • Can I do a simple search?

  • Can I look at the information in both short and detailed form?

  • Can I choose where in the record I want my search terms to be found?

  • Can I search for phrases?

  • Can I combine search terms?

  • Can I use truncation?

  • Can I use wildcards?

  • Can I do an advanced search?

  • Can I get a list
    Author(s): The Open University

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    Copyright © 2013 The Open University

Promo - One Minute Romanian
Hello! My name is Roxana and I'd like to welcome you to One Minute Romanian from the Radio Lingua Network. In this podcast I'm going to be teaching you the basics of Romanian. The great thing about this language course is that you'll be learning all you need to know in just 60 seconds - or thereabouts! Each one minute language lesson will equip you with just enough Romanian to help you get by in lots of situations, either on holiday, or on a business trip to Romania, or just to impress your Roma
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5.4 Critical modelling

Critical phenomena are the simplest to model of the three classes of temperature-dependent changes we have been examining. We don't need a power series such as 1 + αT+ βT2+…, nor exponentials such as exp(−Ea/kT). Instead we can describe the behaviour with logical expressions like these:

if T < Tc, then property=subcritical value (or fu
Author(s): The Open University

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Diversity and compounding for enhanced discrimination of breast masses in ultrasonic B-scan images
Ultrasonic tissue characterization aims at improving the ability of ultrasound to classify benign and malignant masses. The akagami distribution was recently proposed to model the statistics of the envelope of the backscattered echo from tissue. Its parameters demonstrated an ability to discriminate benign and malignant masses in breast tissue. However, there is a need to improve the performance of the parameters to reach clinically acceptable standards and also to eliminate any influence of var
Author(s): Dumane, Vishruta Ajitkumar

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Political Correctness
This lesson deals with political correctness. There is a definition of PR and there is useful vocabulary presented. There is reference to attitude and how the things we say influence others. There are clear examples about gender, physically challenged, ethnic groups, etc.
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4.4 Summary of Section 4

  • Thermal energy is a random thing, so any group of particles possessing it will have a distribution of kinetic energies.

  • The fraction of particles with energy greater than an amount E1 is proportional to exp(−E1/kT).

  • Thermally activated rates follow Arrhenius's law and are characterised by an activation energy.

  • Diffusion in solids and electrical conduction i
    Author(s): The Open University

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Supertasters Taste Buds
Detailed video on how taste buds work. Video shows how saliva breaks down food so the taste buds can go to work. Discusses the differences between bitter, sweet, salty, or sour taste buds. The video shows the differences between a nontaster and a super taster. Run time 04:07.
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"Double Image" Poem by Judith Wright
A photographic interpretation of "Double Image" by Judith Wright accompanied by music ("The Finish Line" by Snow Patrol) and the words of the poem fading, too quickly, in and out.  (2:11)
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Autonomous mechanisms in architectural design systems
The development of architectural design systems that describe fully the form, structure and behaviour of a design relies heavily on the incorporation of intelligence in the representations, analyses, transformations and transactions used by the computer. Traditionally such intelligence takes either of two forms. The first is a methodical framework that guides actions supported by the design system (usually in a top-down fashion). The second is local, intelligence mechanisms that resolve discrete
Author(s): Alexander Koutamanis

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1.4 TSEs and non-human animals

Several TSEs of non-human animals were also known before the recognition of BSE and others have come to light subsequently. The most significant of the former is scrapie, a disease of sheep that has been known for over 200 years. Its symptoms include irritability, excitability, restlessness, scratching, biting, rubbing of the skin (hence its name), loss of wool, weight loss, weakness of the hindquarters and sometimes impaired vision. Some breeds are relatively resistant to the disease (e.g. S
Author(s): The Open University

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References

Bindon, J. R. and Baker, P. T. (1997) Bergmann's rule and the thrifty genotype. American Journal of Physical Anthropology, 104, 201–210.
Blundell, J. E., Stubbs, R. J., Hughes, D. A., Whybrow, S. and King, N. A. (2003) Cross talk between physical activity and appetite control: does physical activity stimulate appetite? Proceedings of the Nutrition Society, 62, 651–661.

Author(s): The Open University

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Introduction to Magnetism - Khan Academy
An introduction to magnetism. This video, starts with a black screen because the instructor, in his conversational tone, uses it as a 'chalkboard.' Instructor uses different colors for clarification.  (10:44)
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Magnetism 2
Magnetic fields and their effects on moving electrical charges. This video, starts with a black screen because the instructor, in his conversational tone, uses it as a 'chalkboard.' Instructor uses different colors for clarification. Run time 08:58.
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Polovtsian Dances by Alexander Borodin
Mikhail Fokine's choreography for the Polovtsian Dances by Borodin, as performed by the Kirov Opera and Ballet under Valery Gergiev. From PRINCE IGOR, available on DVD from Philips. (6:09)
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Inner Rocky Planets - Part 2
This video focuses on the little jagged worlds (or Inner Rocky Planets) from their birth to this day, and their compositions, structures, and their differences. (05:18)
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1.4.6 P is for Provenance

The provenance of a piece of information (i.e. who produced it? where did it come from?) may provide another useful clue to its reliability. It represents the 'credentials' of a piece of information that support its status and perceived value. It is therefore very important to be able to identify the author, sponsoring body or source of your information.

Why is this important?

Author(s): The Open University

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A special report on Europe and its currency

Author(s): The Economist

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2.1 The consequences of living in the trees

This unit contains a lot of detailed information about particular tree-dwelling mammals. You will need to take care not to get too absorbed in the fine details but to ensure that you take away the important overall messages. Those are, of course, listed as the learning outcomes at the beginning of the unit. Loo
Author(s): The Open University

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Gas and conflict dominate Ukraine vote
President Poroshenko's bloc holds a lead ahead of Ukraine's election, according to opinion polls, with a rising populist party set to take second place. Ukraine's prime minister says he fears Russia might disrupt the vote, but a row over gas supplies does appear to be easing. Sara Hemrajani reports. Subscribe: http://smarturl.it/reuterssubscribe More Breaking News: http://smarturl.it/BreakingNews Reuters tells the world's stories like no one else. As the largest international multimedia news
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