177 results found for chemistry

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00:35:00

Chemistry Lab Orientation with Dr. Dillon

by Stephanie Dillon
Chemistry Lab Orientation with Dr. Dillon
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 2081 views
Rating:

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00:07:00

Self-assembled nanoparticles using a mixture of temperature responsive copolymers

by Yohei Kotsuchibashi
Self-assembled nanoparticles using a mixture of temperature responsive copolymers
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1267 views
Rating:

Temperature responsive polymer is an interesting material that shows reversible hydration/dehydration behavior in water at 32C, termed as the lower critical solution temperature (LCST). In this video, temperature responsive block copolymers are focus....

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00:33:00

Nanoscopy – allowing molecules to be examined inside living cells

by Eric Betzig
Nanoscopy – allowing molecules to be examined inside living cells
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 2861 views
Rating:

Eric Betzig shared the 2014 Chemistry Nobel prize with fellow American William E. Moerner and Romanian-German Stefan W. Hell for revolutionising science through the development of super-resolved fluorescence to exceed the accepted limits of tradition....

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00:30:00

The Hunt May Be Up for the Carrier of the Diffuse Interstellar Bands and other stories

by Harry Kroto
The Hunt May Be Up for the Carrier of the Diffuse Interstellar Bands and other stories
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1409 views
Rating:

The development of radio telescopes has revolutionized our understanding of the molecular constitution of the interstellar medium ISM. A recent surprise that the element carbon had up its sleeve was the existence of C60, Buckminsterfullerene, the thi....

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00:32:00

Fun with Light and Single Molecules

by William Moerner
Fun with Light and Single Molecules
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1236 views
Rating:

More than 25 years ago, single molecules were first detected optically, but how do we really detect a single molecule today, and what good is it? It is an amazing fact that you can even detect single molecules with your own eyes. When a new regime of....

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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 | 1504 views
Rating:

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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00:33:00

Molecules Against Cancer or for Long-Term Memory Storage

by Roger Tsien
Molecules Against Cancer or for Long-Term Memory Storage
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1188 views
Rating:

For cancer diagnosis and therapy, we are developing activatable cell penetrating peptides (ACPPs), synthetic molecules with a novel amplifying mechanism for homing to diseased tissues. ACPPs are polycationic cell penetrating peptides whose cellular u....

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00:26:00

NMR in Biology, Chemistry and Medicine

by Kurt Wurthrich
NMR in Biology, Chemistry and Medicine
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1649 views
Rating:

For the discovery of the physics phenomenon of nuclear magnetic resonance (NMR), Felix Bloch and Edward Purcell were awarded the Nobel Prize in Physics in 1952. NMR has then been used in a wide range of fundamental studies in physics, and in the 1960....

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00:35:00

How to Synthesize a Wide Variety of Optically Active Compounds with >99% Optical Purity

by Ei-ichi Negishi
How to Synthesize a Wide Variety of Optically Active Compounds with >99% Optical Purity
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1460 views
Rating:

The discovery and synthetic applications of a widely applicable and highly enantioselective (>99% ee) protocol consisting of the 'ZACA reaction' (Zr-catalyzed asymmetric carboalumination of alkenes), purification of the ZACA-products by lipase-cat....

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00:31:00

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 | 8 years ago | 1254 views
Rating:

This lecture addresses the question if spatio-temporal self-organisation of matter which is so characteristic for living systems can also be verified with a simple inorganic reaction in which the observed phenomena of complexity can be traced back to....

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00:27:00

Roles of the Ubiquitin System in Health and Disease

by Avram Hershko
Roles of the Ubiquitin System in Health and Disease
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1299 views
Rating:

The selective degradation of many short-lived proteins in eukaryotic cells is carried out by the ubiquitin-mediated proteolytic system. In this pathway, proteins are targeted for degradation by covalent ligation to ubiquitin, a highly conserved small....

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00:31:00

Structural Aspects of Protease Control in Health and Disease

by Robert Huber
Structural Aspects of Protease Control in Health and Disease
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1297 views
Rating:

This lecture starts out with a very brief review of the history of protein crystallography and continue with our studies since 1970 on proteolytic enzymes and their control. Proteolytic enzymes catalyse a very simple chemical reaction, the hydrolytic....

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00:33:00

Towards Adaptive Chemistry

by Jean-Marie Lehn
Towards Adaptive Chemistry
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1332 views
Rating:

Molecular chemistry implementing reversible chemical bonds between atoms in molecules, as well as supramolecular chemistry, whose molecular components are held together by intermolecular interactions, are able to undergo a continuous change in consti....

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00:32:00

Aquaporin Water Channels – From Atomic Structure to Malaria

by Peter Agre
Aquaporin Water Channels – From Atomic Structure to Malaria
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 2920 views
Rating:

Aquaporin channels allow water to rapidly cross cell membranes in all living organisms. AQP1 confers red cells and proximal renal tubules with high water permeability. Present in renal collecting duct, AQP2 is regulated by vasopressin, and human muta....

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00:31:00

Seeing is Believing – A Hundred Years of Visualizing Molecules

by Venkatraman Ramakrishnan
Seeing is Believing – A Hundred Years of Visualizing Molecules
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1206 views
Rating:

It has been a hundred years since molecules were first visualized directly by using x-ray crystallography. That gave us our first look at molecules as simple as common salt to one as complex as the ribosome that has almost a million atoms. In the las....

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01:05:00

Is chemistry really so difficult?

by Andrea Sella
Is chemistry really so difficult?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 8 years ago | 1069 views
Rating:

Chemistry has progressed in a way few outsiders appreciate. It underpins many other sciences; from genomics and molecular biology, food and sports science, through to cosmology and planetary science. Why hasn't the public impression of chemistry evol....

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00:03:00

C28

by Harry Kroto
C28
for 14-18 and upwards,
Lectures | 14-18 and upwards | 9 years ago | 1853 views
Rating:

A brief description of the C28 molecule and its relationship to Uranium

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00:02:00

H2 Molecules in Space: 2 and 3 Body Collisions H3+

by Harry Kroto
H2 Molecules in Space: 2 and 3 Body Collisions H3+
for 14-18 and upwards,
Lectures | 14-18 and upwards | 9 years ago | 3087 views
Rating:

A brief description to why it is problematic to make H2 in space, and how H3+ molecules are formed

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00:02:00

The Fundamental Aspect of Chemistry in 1 Minute, the Periodic Table, and Angular Momentum in Quantum Mechanics

by Harry Kroto
The Fundamental Aspect of Chemistry in 1 Minute, the Periodic Table, and Angular Momentum in Quantum Mechanics
for 14-18 and upwards,
Lectures | 14-18 and upwards | 9 years ago | 1599 views
Rating:

A brief explanation of quantum mechanics, and how it is related to the periodic table and all of life

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00:01:00

Creativity Synthesis Chemistry: CO2 + Water +Photons

by Harry Kroto
Creativity Synthesis Chemistry: CO2 + Water +Photons
for 14-18 and upwards,
Lectures | 14-18 and upwards | 9 years ago | 1683 views
Rating:

Dr. Kroto talks about his favorite synthesis reaction in chemistry

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00:02:00

Nitrosethane Moleular Flexibility

by Harry Kroto
Nitrosethane Moleular Flexibility
for 14-18 and upwards,
Lectures | 14-18 and upwards | 9 years ago | 1543 views
Rating:

A brief description of one of Dr. Kroto's favorite molecules, nitrosethane

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00:04:00

Lab Synthesis and Radio Detection of Long Carbon Chains HC5N, HC7N, HC9N in Interstellar Space

by Harry Kroto
Lab Synthesis and Radio Detection of Long Carbon Chains HC5N, HC7N, HC9N in Interstellar Space
for 14-18 and upwards,
Lectures | 14-18 and upwards | 9 years ago | 2042 views
Rating:

A brief explanation of the methods to creating a carbon chain, and detection of the frequency of a photon emitted by a rotating molecule, and how these methods led to the discovery of new organic compounds in the constellation Taurus

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00:01:00

Sussex Fullerene Chemistry C60Ferrocene Complex, C60Cl6, C60Ph5H

by Harry Kroto
Sussex Fullerene Chemistry C60Ferrocene Complex, C60Cl6, C60Ph5H
for 14-18 and upwards,
Lectures | 14-18 and upwards | 9 years ago | 1500 views
Rating:

Dr. Kroto talks about three examples of fullerene chemistry

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00:03:00

C60 and C70: The Isolated Pentagon Rule (IPR) for Pristine Fullerene Stability – Kroto Simultaneously Proven by Schmalz et al

by Harry Kroto
C60 and C70: The Isolated Pentagon Rule (IPR) for Pristine Fullerene Stability – Kroto Simultaneously Proven by Schmalz et al
for 14-18 and upwards,
Lectures | 14-18 and upwards | 9 years ago | 2382 views
Rating:

Dr. Kroto explains his Isolated Pentagon Rule and how it contributes to fullerene stability

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00:05:00

Microwave + Photoelectron Spectroscopy of Thiacarbonyls, Phospha-alkenes and -alkynes, Boron Sulphides C=S, C=P, B=S, etc.

by Harry Kroto
Microwave + Photoelectron Spectroscopy of Thiacarbonyls, Phospha-alkenes and -alkynes, Boron Sulphides C=S, C=P, B=S, etc.
for 14-18 and upwards,
Lectures | 14-18 and upwards | 9 years ago | 5653 views
Rating:

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00:04:00

Microwave Spectrum of NCNCS: A Quasilinear Molecule with a Monodromy Point

by Harry Kroto
Microwave Spectrum of NCNCS: A Quasilinear Molecule with a Monodromy Point
for 14-18 and upwards,
Lectures | 14-18 and upwards | 9 years ago | 1659 views
Rating:

Dr. Kroto analyzes the microwave spectrum of NCNCS

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00:04:00

Molecular Spectroscopy: Rotational, Vibrational, Electronic All on One Sheet: My ABCÉ System

by Harry Kroto
Molecular Spectroscopy: Rotational, Vibrational, Electronic All on One Sheet: My ABCÉ System
for 14-18 and upwards,
Lectures | 14-18 and upwards | 9 years ago | 1922 views
Rating:

Dr. Kroto describes his ABC system for spectroscopy, a systematic method that can be applied to vibrational, rotational, and electronic spectrocopies

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00:06:00

Nanotechnology Overview: Molecular Machines, 21st Century Chemistry, Nanotubes

by Harry Kroto
Nanotechnology Overview: Molecular Machines, 21st Century Chemistry, Nanotubes
for 14-18 and upwards,
Lectures | 14-18 and upwards | 9 years ago | 4981 views
Rating:

A brief description of nanotechnology, carbon nanotubes, and Van de Waal's Forces

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00:34:00

The Dawn of the Fullerenes: A Research Adventure

by Robert Curl
The Dawn of the Fullerenes: A Research Adventure
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1605 views
Rating:

When he received the 1996 Nobel Prize in Chemistry together with Richard E. Smalley (who also worked at Rice) and Sir Harold Kroto (at the time at the University of Sussex, UK), this was a true example of national and international scientific collabo....

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00:32:00

C60-Buckminsterfullerene: Not just a Pretty Molecule

by Harry Kroto
C60-Buckminsterfullerene: Not just a Pretty Molecule
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1907 views
Rating:

Amongst the Nobel Laureates lecturing in Lindau, Sir Harold Kroto would probably earn the award for the most unusual and characteristic way of presenting. This lecture, which is the first he ever gave in Lindau, is no exception. Kroto`s way of presen....

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00:05:00

Fuel Cells – Main Aspects

by Alfonso Felipe
Fuel Cells – Main Aspects
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1397 views
Rating:

Fundamental aspects and properties of fuel cells in the environment of renewables.

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00:09:00

Electrochemical Basis of Fuel Cells

by Alfonso Felipe
Electrochemical Basis of Fuel Cells
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1237 views
Rating:

Know the basics of electrochemical fuel cells and batteries

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00:10:00

Main Components of a Fuel Cell

by Alfonso Felipe
Main Components of a Fuel Cell
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1335 views
Rating:

Learn the basics of a fuel cell

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00:04:00

Classification of Fuel Cells

by Alfonso Felipe
Classification of Fuel Cells
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 2088 views
Rating:

Know the most important criteria for the classification of the fuel cells

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00:08:00

Fuels

by Alfonso Felipe
Fuels
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1388 views
Rating:

Most used fuel in fuel cells, the advantages of their use and limitations

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00:11:00

Proton Exchange Membrane Fuel Cells

by Alfonso Felipe
Proton Exchange Membrane Fuel Cells
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1268 views
Rating:

Basic characteristics of the batteries based on proton exchange membrane

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00:10:00

Transport in PEMFC

by Alfonso Felipe
Transport in PEMFC
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1237 views
Rating:

Understand the transport phenomena that take place in the membranes used in PEMFC

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00:13:00

Power Plants

by Alfonso Felipe
Power Plants
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1284 views
Rating:

Criteria to classify Fuel Cells

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00:14:00

Fuels. Hydrogen

by Alfonso Felipe
Fuels. Hydrogen
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1279 views
Rating:

Understand the advantages and limitations of using hydrogen in fuel cells

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00:12:00

Applications of Fuel Cells

by Alfonso Felipe
Applications of Fuel Cells
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1348 views
Rating:

Most important applications in the field of fuel cells

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00:11:00

Deviations from ideal behaviour

by Alfonso Felipe
Deviations from ideal behaviour
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1393 views
Rating:

Understanding the phenomena that cause the reduction in efficiency that occurs in the fuel cell operation

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00:08:00

Overpotential

by Alfonso Felipe
Overpotential
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 2727 views
Rating:

Polarization curves of the fuel cells, and the phenomena which cause a decline in energy efficiency

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00:11:00

Direct Methanol Fuel Cells

by Alfonso Felipe
Direct Methanol Fuel Cells
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1402 views
Rating:

Methanol fuel cells (DMFC), its rationale and the advantages and limitations of their use over other fuel cells

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00:06:00

Alkaline Fuel Cells

by Alfonso Felipe
Alkaline Fuel Cells
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1530 views
Rating:

Fundamental aspects of Alkaline Fuel Cells

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00:32:00

Part 3: Selective Microwave Heating of a Polar Reaction Substrate

by Gregory Dudley
Part 3: Selective Microwave Heating of a Polar Reaction Substrate
for 18-22 and upwards22 and upwards,
LecturesPostgraduate presentations | 18-22 and upwards22 and upwards | 9 years ago | 2836 views
Rating:

In part three of this three part series, FSU chemist Dr. Gregory Dudley, summarizes the conclusions of ongoing FSU microwave chemistry research. He discusses the implications and future prospects of microwave research, addressing how other labs could....

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00:30:00

Part 2: Selective Microwave Heating of an Ionic Reagent

by Gregory Dudley
Part 2: Selective Microwave Heating of an Ionic Reagent
for 18-22 and upwards22 and upwards,
LecturesPostgraduate presentations | 18-22 and upwards22 and upwards | 9 years ago | 2472 views
Rating:

In part two of this three part series, FSU chemist Dr. Gregory Dudley, discusses in depth the microwave chemistry research he's conducted in collaboration with FSU colleague Dr. Al Stiegman. The research outlines Friedel-Crafts substitutions, Aryl-Cl....

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00:30:00

Part 1: Selective Microwave Heating Design and Theory

by Gregory Dudley
Part 1: Selective Microwave Heating Design and Theory
for 18-22 and upwards22 and upwards,
LecturesPostgraduate presentations | 18-22 and upwards22 and upwards | 9 years ago | 3933 views
Rating:

In part one of this three part series, FSU chemist Dr. Gregory Dudley, puts forth the controversy that surrounds microwave chemistry research, he outlines physical theory of microwave chemistry, and discusses the research teams central design hypothe....

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00:02:00

Microwave Chemistry Introduction: Your dial goes up to 11

by Gregory Dudley
Microwave Chemistry Introduction: Your dial goes up to 11
for 18-22 and upwards22 and upwards,
DiscussionsLecturesPostgraduate presentations | 18-22 and upwards22 and upwards | 9 years ago | 2942 views
Rating:

This is the introduction to a three part research presentation on microwave chemistry given by FSU chemist Dr. Gregory Dudley. Dudley reports on joint FSU research surrounding microwave chemistry and its previously unknown potential in lab applicatio....

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00:05:00

Fuel Cells: Main Aspects

by José Valiente
Fuel Cells: Main Aspects
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1402 views
Rating:

Introduction and short review of fuel cells

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00:08:00

Electrochemical Basis of Fuel Cells

by José Valiente
Electrochemical Basis of Fuel Cells
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1522 views
Rating:

Brief review of electrochemical basis of fuel cells

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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 | 1260 views
Rating:

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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00:35:00

From Disorder to Order

by Gerhard Ertl
From Disorder to Order
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1196 views
Rating:

Our experience suggests that a system will usually show the tendency to undergo spontaneously a transition from the state of order into disorder.  Quite in contrast, our world developed from an initial state of great disorder into another one where ....

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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 | 1355 views
Rating:

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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00:35:00

Designing Molecules and Nanoparticles to Help See and Treat Disease

by Roger Tsien
Designing Molecules and Nanoparticles to Help See and Treat Disease
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1232 views
Rating:

Molecules to observe and manipulate biological systems can be devised by a variety of strategies, ranging from pure chemical design and total synthesis to genome mining and high-throughput directed evolution. Examples of both successes and failures a....

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00:40:00

Why I love Microbes

by Richard Roberts
Why I love Microbes
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1530 views
Rating:

We live in a fascinating world surrounded by life. Much of that life is clearly visible like the plants and animals that we see every day. However, far more is invisible to the naked eye and it is to this realm, the microscopic world, that I will t....

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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 | 1204 views
Rating:

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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00:46:00

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 | 9 years ago | 1801 views
Rating:

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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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 | 9 years ago | 1402 views
Rating:

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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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 | 9 years ago | 2104 views
Rating:

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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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 | 9 years ago | 2170 views
Rating:

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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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 | 9 years ago | 1378 views
Rating:

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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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 | 9 years ago | 1621 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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00:35:00

From ‘On Water’ and Enzyme Catalysis to Single Molecules and Quantum Dots, Theory and Experiment

by Rudolph Marcus
From ‘On Water’ and Enzyme Catalysis to Single Molecules and Quantum Dots, Theory and Experiment
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1538 views
Rating:

Much of theoretical chemistry has involved equations and their application to experiments, Debye, Debye-Hueckel, Transition State Theory, Kramers, LCAO, RRKM, among others. In fortunate circumstances one can, as in a theory of electron transfer reac....

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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 | 9 years ago | 1386 views
Rating:

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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00:34:00

Greenhouse Gases and Climate Change

by Sherwood Rowland
Greenhouse Gases and Climate Change
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1581 views
Rating:

The 'greenhouse gases (GHG)' intercept a fraction of outgoing terrestrial infrared radiation, creating the natural greenhouse effect which warmed the atmosphere by approximately 32 Celsius at the beginning of the 20th Century. The activities of manki....

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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 | 9 years ago | 1338 views
Rating:

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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00:23:00

Atmospheric Chemistry and Climate in the Anthropocene

by Paul Krutzen
Atmospheric Chemistry and Climate in the Anthropocene
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1253 views
Rating:

Despite their relatively small mass, 10% of the earth biosphere as a whole, generations of ambitious ‘homo sapiens’ have already played a major and increasing role in changing basic properties of the atmosphere and the earth’s surface.  Human ....

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00:30:00

Photosynthesis, Biomass, Biofuels: Conversion Efficiencies and Consequences

by Hartmut Michel
Photosynthesis, Biomass, Biofuels: Conversion Efficiencies and Consequences
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1305 views
Rating:

It is generally accepted that the global warming, which we undoubtedly observe, is the result of an increased concentration of greenhouse gases like carbon dioxide and methane in the atmosphere.  Within this scenario it is evident that we have to re....

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00:36:00

Magical Power of d-Block Transition Metals: Past, Present and Future

by Ei-ichi Negishi
Magical Power of d-Block Transition Metals: Past, Present and Future
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1256 views
Rating:

Until recently, most of the 24 d-block transition metals had been used primarily as useful materials for (i) construction and also as tools and containers, etc., (Ti, Zr, Fe and their alloys with V, Cr, Mn, Co, Ni, etc.), (ii) precious and ornamental....

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00:40:00

Glimpses of Chemical Wizardry

by Dudley Herschbach
Glimpses of Chemical Wizardry
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 968 views
Rating:

In an evangelical spirit, three vignettes will be presented that have the character of molecular parables: stories with lessons that transcend the specific details.(1) How knowledge of the orientation of a methyl group with respect to a neighboring d....

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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 | 9 years ago | 1436 views
Rating:

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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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 | 9 years ago | 2473 views
Rating:

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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00:27:00

G Protein Coupled Receptors: Challenges for Drug Discovery

by Brian Kobilka
G Protein Coupled Receptors: Challenges for Drug Discovery
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1438 views
Rating:

G protein coupled receptors (GPCRs) conduct the majority of cellular responses to hormones and neurotransmitters, and are therefore the largest group of pharmaceutical targets for a broad spectrum of diseases.  Identification of genes for GPCRs, ini....

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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 | 9 years ago | 1633 views
Rating:

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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00:31:00

Green Chemistry and Catalysis

by Robert Grubbs
Green Chemistry and Catalysis
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1196 views
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Much of the chemical industry is based on processes that were developed decades ago.  The change in the cost of petroleum carbon and energy sources and the need to control emissions of carbon dioxide and other pollutants will change the rules of the....

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00:35:00

Perspectives in Chemistry – Towards Adaptive Chemistry

by Jean-Marie Lehn
Perspectives in Chemistry – Towards Adaptive Chemistry
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1457 views
Rating:

Supramolecular chemistry lies beyond molecular chemistry.  It aims at implementing highly complex chemical systems from molecular components held together by non-covalent intermolecular forces and effecting molecular recognition, catalysis and trans....

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00:32:00

Single Molecule Studies of Initial Steps in Dye Sensitized Solar Cells and of Quantum Dots – Examples of Electron Transfers and Relation to Ensemble Studies

by Rudolph Marcus
Single Molecule Studies of Initial Steps in Dye Sensitized Solar Cells and of Quantum Dots – Examples of Electron Transfers and Relation to Ensemble Studies
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1607 views
Rating:

We consider two fields of single molecule studies of intermittently fluorescing systems.  In both fields the intermittency is assumed to involve diffusion controlled electron transfer.  One of these studies involves the initial steps in dye-sensiti....

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00:38:00

Widen Your Scope by Extracurricular Activities: My Example

by Richard Ernst
Widen Your Scope by Extracurricular Activities: My Example
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1164 views
Rating:

Some observers might think that fierce scientific competition borders on a rat race.  According to Wikipedia: "A rat race is an endless, self-defeating, or pointless pursuit.  It conjures up the image of the futile efforts of a lab rat trying to es....

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00:35:00

Free Radicals in Chemistry and Life

by Naresh Dalal
Free Radicals in Chemistry and Life
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1735 views
Rating:

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00:06:00

Electronic Properties of BC3 Atomic Sheet and Ribbon Structures

by Sudipta Dutta
Electronic Properties of BC3 Atomic Sheet and Ribbon Structures
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 3173 views
Rating:

BC3 is a honeycomb lattice which has some novel electronic properties.

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00:15:00

Exploring Some of the Heaviest Metals: The Actinides and You

by Kristen Pace
Exploring Some of the Heaviest Metals: The Actinides and You
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 3124 views
Rating:

Kristen Pace presenting her research at the FSU Research Remix

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00:01:00

A Greenhouse-Gas Experiment

by Jonathan Hare
A Greenhouse-Gas Experiment
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1899 views
Rating:

A laboratory demonstration of Carbon Dioxide's effect of global warming.

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00:04:00

Graphene – part of the Carbon revolution.

by Jonathan Hare
Graphene – part of the Carbon revolution.
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1602 views
Rating:

Some intimate details of this novel new material.

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00:08:00

Fullerene C28

by Jonathan Hare
Fullerene C28
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 3615 views
Rating:

Jonathan describes a smaller 'buckyball' with its inherent differences from C60.

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00:08:00

Fullerene maths

by Jonathan Hare
Fullerene maths
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 2632 views
Rating:

How the structures of fullerene molecules obey the rules of mathematics discovered long ago by Euler.

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00:07:00

Carbon nanotubes

by Jonathan Hare
Carbon nanotubes
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1944 views
Rating:

Some of the subtleties of the structures found in carbon nanotubes.

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00:06:00

Chemistry of C60

by Jonathan Hare
Chemistry of C60
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1720 views
Rating:

Jonathan Hare describes the novel chemistry of the C60 molecule.

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00:03:00

Modelling C60

by Jonathan Hare
Modelling C60
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 1746 views
Rating:

Jonathan describes the construction of a model of the C60 molecule.

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00:07:00

The Carbon Revolution 1 – many forms

by Jonathan Hare
The Carbon Revolution 1 – many forms
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 4947 views
Rating:

The differences in the structures and properties of the various allotropes of carbon are clearly explained.

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00:06:00

Longboard chemistry

by Jonathan Hare
Longboard chemistry
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 2117 views
Rating:

How the production of new polymers has made long- and skate-boarding possible.

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00:06:00

What is Graphene?

by Jonathan Hare
What is Graphene?
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 3764 views
Rating:

In October 2010 the Nobel Prize for Physics was won by Andre Geim and Konstantin Novoselov at Manchester University for their work on graphene but if you are left wondering just what graphene is then watch this video. Jonathan explains all.

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00:07:00

Graphene and the Carbon Revolution

by Jonathan Hare
Graphene and the Carbon Revolution
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 2079 views
Rating:

Jonathan explains what graphene is and how it fits into the revolution in carbon science.

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00:04:00

C60 and Nanotubes

by Jonathan Hare
C60 and Nanotubes
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 2056 views
Rating:

Jonathan shows how a sheet of graphite (hexagons) can be modified to make closed cages and tubes.  In real life the smallest of these tubes are only 1/100,000,000 meter in diameter - a nanometer (nm) - hence they are called nanotubes.  Depending on....

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01:18:00

Aquaporin Water Channels: From Atomic Structure to Clinical Medicine

by Peter Agre
Aquaporin Water Channels: From Atomic Structure to Clinical Medicine
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 6525 views
Rating:

Peter Agre shared the 2003 Nobel Prize in Chemistry with Roderick MacKinnon “for discoveries concerning channels in cell membranes.” Here he gives a lecture in Russia as part of the Nobel Prize Inspiration Initiative

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00:08:00

Organometallic uranium chemistry: small molecule activation

by Jessica Higgins
Organometallic uranium chemistry: small molecule activation
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 4427 views
Rating:

Jess gives a lively account of her work which involves the study of how uranium organ-metallics can catalyse unusual and useful reactions.  She is a PhD student at the University of Sussex, UK.

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01:01:00

Incendiary science: fireworks at the Royal Society

by Simon Werrett
Incendiary science: fireworks at the Royal Society
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1014 views
Rating:

In the seventeenth and eighteenth centuries, fireworks offered some intriguing possibilities for scientific research among the experimental philosophers of the Royal Society. What was the nature of fire? How did combustion work? Why did gunpowder exp....

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