7 results found for kinetics

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00:05:00

Coordination Polymers 3. Studying Coordination Polymer Formation

by Yeung Hamish Hei-Man
Coordination Polymers 3. Studying Coordination Polymer Formation
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1084 views
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Exploiting the unique properties of coordination polymers requires full understanding of their formation. Here we look at how in-situ x-ray diffraction helps to uncover some of the details.

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00:29:00

Electron Transfer Theory in Single Molecule Studies of Intermittent Fluorescence of Quantum Dots and in Initial Steps in Dye Sensitized Solar Cells

by Rudolph Marcus
Electron Transfer Theory in Single Molecule Studies of Intermittent Fluorescence of Quantum Dots and in Initial Steps in Dye Sensitized Solar Cells
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1513 views
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Intermittently fluorescing single molecule systems are found in many materials, including semiconductor quantum dots (QD), dyes on crystalline or nanoparticle film surfaces, and biological systems. The QD's show a ~ -3/2 power law for the distributio....

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00:42:00

Short-term Synaptic Plasticity

by Erwin Neher
Short-term Synaptic Plasticity
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 7543 views
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Our brain is a network of about 10^11 neurons, which are connected via synapses. A neuron typically receives input from about 10000 other neurons, which can be either excitatory or inhibitory. The neuron integrates these inputs and generates an actio....

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00:49:00

Dynamics of Chemical Reactions

by Yuan Lee
Dynamics of Chemical Reactions
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1266 views
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Every macroscopic chemical transformation, whether it is atmospheric ozone depletion or the burning of a candle, consists of millions of microscopic chemical events, which involve collisions between molecules.  It has been the dream of scientists fo....

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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 | 9 years ago | 1365 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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00:51:00

Why do we not have a vaccine against TB or HIV (yet)?

by Ralph Zinkernagel
Why do we not have a vaccine against TB or HIV (yet)?
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1212 views
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Survival of vertebrate hosts against infections depends on important natural or innate resistance mechanisms combined with adaptive immune responses of T and B cells. Infectious agents probe the limit of immune responses and help to characterize thr....

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00:28:00

Extremely Fast Chemical Reactions

by Manfred Eigen
Extremely Fast Chemical Reactions
for 18-22 and upwards,
Interviews | 18-22 and upwards | 15 years ago | 2333 views
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This interview starts with Eigen (Nobel Prize in Chemistry, 1967) talking about his early work for his PhD thesis on fast reactions and measuring the specific heat of heavy water. He says that light water had already been measured in classical chemis....

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