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  • Screening chemical libraries with robotics

    Screening chemical libraries with robotics

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    (1 min 24 sec) Robotic equipment makes it possible to screen massive chemical libraries in just a matter of days.

  • Diversity-Oriented Synthesis

    Diversity-Oriented Synthesis

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    (5 min 42 sec) Diversity-oriented synthesis (DOS) is a strategy used by chemical biologists to create a huge diversity of small molecules with potentially useful properties. A scientist working in Dr. Stuart Schreiber's lab shows us how engineering, computer science, chemisty, and biology are all used in DOS.

  • Furrowstatin

    Furrowstatin

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    (4 min 41 sec) The small molecule 'furrowstatin' exemplifies the power of using small molecules to investigate life's processes. When applied to dividing cells, the furrowstatin halts cell division.

  • Mr. Lincoln Glows

    Mr. Lincoln Glows

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    (4 min 5 sec) Dr. Cech uses a penny and a beaker of acetone to illustrate how a catalyst works.

  • Oxalate Catalysis

    Oxalate Catalysis

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    (6 min 9 sec) Without an appropriate catalyst some chemical reactions would be so slow as to appear not to occur at all on the human timescale. However, when catalyzed, these reactions can be very dramatic.

  • Which Balloon Has Hydrogen?

    Which Balloon Has Hydrogen?

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    (5 min 7 sec) Air is an invisible gas as are hydrogen and helium. How can you tell if a balloon contains hydrogen? Hydrogen has particular physical and chemical properties that can be tested. Dr. Cech enlists student volunteers to show how a chemical reaction can be used to identify a substance.