14 results found for chemistry

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Advances in Olefin Metathesis Employing Molybdenum and Tungsten Catalysts Lindau-Nobel Richard Schrock 2013 00:34:00

Advances in Olefin Metathesis Employing Molybdenum and Tungsten Catalysts

by Richard Schrock
Advances in Olefin Metathesis Employing Molybdenum and Tungsten Catalysts
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 575 views
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Olefin metathesis is an irresistible way to make C=C bonds catalytically in organic molecules and polymers, both as a consequence of its very nature, i.e. the synthesis of C=C bonds from C=C bonds, and because of the control that can be exercised thr....

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Catalysis at Surfaces - From Atoms to Complexity Lindau-Nobel Gerhard Ertl 2013 00:30:00

Catalysis at Surfaces: From Atoms to Complexity

by Gerhard Ertl
Catalysis at Surfaces: From Atoms to Complexity
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 403 views
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Catalysis by solid surfaces is, among others, of importance for the chemical industry (e.g. the Haber-Bosch process) as well as for environmental chemistry (car exhaust catalyst).  Surface physical techniques enable investigation of the underlying e....

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Chemistry - L-N - Noyori - Chem 2009 00:31:00

Chemistry: the Key to Our Future

by Ryoji Noyori
Chemistry: the Key to Our Future
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 450 views
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Chemistry is not merely a science of making observations in order to better understand Nature. Our science is creative and productive, generating substances of very high value from almost nothing. Chemists already have made enormous contribution to....

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Cross-Coupling Reactions of Organoboranes - An Easy Way for Carbon-Carbon Bonding Lindau-Nobel Akira Suzuki 2013 00:30:00

Cross-Coupling Reactions of Organoboranes: An Easy Way for Carbon-Carbon Bonding

by Akira Suzuki
Cross-Coupling Reactions of Organoboranes: An Easy Way for Carbon-Carbon Bonding
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 778 views
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The palladium-catalyzed cross-coupling reaction between different types of organoboron compounds and various organic halides in the presence of base provides a powerful and general methodology for the formation of carbon-carbon bonds.  The (sp3)C-B ....

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Darwinian - L-N - Arber - M 2007 00:46:00

Darwinian evolution as understood by scientists of the 21st century

by Werner Arber
Darwinian evolution as understood by scientists of the 21st century
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 481 views
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After a short reminder of the historical development of evolutionary biology, elements to a molecular theory of Darwinian evolution will be presented. Biological evolution is driven by the availability of genetic variants in populations. The occasi....

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From Atoms - L-N - Ertl - Chem 2009 00:31:00

From Atoms to Complexity: Reactions at Surfaces

by Gerhard Ertl
From Atoms to Complexity: Reactions at Surfaces
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 462 views
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The interaction of molecules with the surfaces of solids forms the basis of heterogeneous catalysis and can now be investigated in atomic detail. Systems of this kind may, on the other hand, serve as models for studying self-organisation of matter le....

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Molecular Catalysis for Green Chemistry - Lindau-Nobel - Ryoji Noyori - Chemistry 2010 00:39:00

Molecular Catalysis for Green Chemistry

by Ryoji Noyori
Molecular Catalysis for Green Chemistry
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 437 views
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Science is inevitably intertwined with society.  The state of the art of science, coupled with industrial endeavors, has determined our quality of life.  Chemists are proud of their ability to generate high value from almost nothing by using accumu....

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Nitric - L-N - Murad - M 2007 00:51:00

Nitric oxide as a messenger molecule and its role in drug development

by Ferid Murad
Nitric oxide as a messenger molecule and its role in drug development
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 421 views
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The role of nitric oxide in cellular signaling in the past three decades has become one of the most rapidly growing areas in biology. Nitric oxide is a gas and a free radical with an unshared electron that can regulate an ever-growing list of biolog....

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protein - L-N - Fischer - M 2007 00:38:00

Protein Crosstalk in Cell Signaling

by Edmond Fischer
Protein Crosstalk in Cell Signaling
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 390 views
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This talk concentrates on cellular regulation by tyrosine phosphorylation which has been directly implicated in cell growth, differentiation and transformation. Growth factor receptors transduce their signal by recruiting a multiplicity of adaptor p....

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Recent - L-N - Schrock - Chem 2009 00:39:00

Recent Advances in Olefin Metathesis Catalyzed by Molybdenum and Tungsten Alkylidene Complexes

by Richard Schrock
Recent Advances in Olefin Metathesis Catalyzed by Molybdenum and Tungsten Alkylidene Complexes
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 497 views
Rating:

In the process of preparing M(NR)(CHCMe2R')(OR")2 (R' = Me or Ph) species (or analogs that contain enantiomerically pure biphenolate or binaphtholate ligands) in situ by treating M(NR)(CHCMe2R')(pyrrolide)2 species with alcohols, we have discovered M....

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RNAi - L-N - Mello - M 2007 01:05:00

RNAi and development in C. elegans

by Craig Mello
RNAi and development in C. elegans
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 396 views
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Argonaute proteins interact with small RNAs to mediate gene silencing. C. elegans contains 27 Argonaute homologs, raising the question of what roles these genes play in RNAi and related gene-silencing pathways. Through our collaborator, Dr. Shohei....

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The cell cycle - L-N - Hunt - M 2007 00:12:00

The cell cycle and cancer

by Tim Hunt
The cell cycle and cancer
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 420 views
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It was in 1882 that Walther Flemming published drawings of chromosomes lining up in mitosis and parting equally to the daughters of cell division, and 20 years later that Theodor Boveri explained the significance of the chromosome dance in terms of t....

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