248 results found for chemistry

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01:00:00

From Waste to Wealth Using Green Chemistry

by James Clark
From Waste to Wealth Using Green Chemistry
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 2306 views
Rating:

The world faces the fundamental problems of increasing waste and decreasing resources as it tries to cope with the increasing consumption of a growing population.  It is clear that these challenges can only be met through a fundamentally different a....

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00:43:00

‘How should a chemist understand brewing?’ Beer and theory around 1800

by James Sumner
‘How should a chemist understand brewing?’ Beer and theory around 1800
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 2033 views
Rating:

Eighteenth-century chemists could gain useful income and patronage as advisors to industry – and some of the wealthiest and most influential industrialists were brewers. Making chemical knowledge credible to this audience, however, was not always e....

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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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01:23:00

A medicine cabinet in your garden?

by Monique Simmonds
A medicine cabinet in your garden?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1984 views
Rating:

Professor Monique Simmonds talks about the use of plants and fungi as sources of sustainably harvested medicines

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00:11:00

A nano-sized gas sensor 1

by Various Presenters
A nano-sized gas sensor 1
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 3818 views
Rating:

A short Introduction to the Nano2Hybrid European Research Project. A video profiling a nanotechnology research project supported by a European Materials Research grant aims to produce a tiny gas sensor using nanotubes that have been developed to be s....

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00:11:00

A nano-sized gas sensor 2 – Plasma treating nanotubes

by Various Presenters
A nano-sized gas sensor 2 – Plasma treating nanotubes
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 1889 views
Rating:

The Namur group are heading up the nano2hybrids project. They are the specialists in plasma treatment of the carbon nanotubes to activate their surfaces, followed by putting down metal nanoparticles under vacuum. These are then sent to Spain to be ma....

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00:10:00

A nano-sized gas sensor 3

by Various Presenters
A nano-sized gas sensor 3
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 2175 views
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The Louvain-la-Neuve group are specialised in theoretical modelling at the atomic scale of the metal nanoparticles on the carbon nanotube surfaces, and in particular how electronic charge passes through the tubes in this case.

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00:07:00

A nano-sized gas sensor 4

by Various Presenters
A nano-sized gas sensor 4
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 3117 views
Rating:

The ULB partner in the project are specialised in plasma surface treatment under air, rather than vacuum - it's the next step up in scaling up the plasma treatment of the nanotubes after the Namur group. In the earlier stages of the project they are ....

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00:02:00

A nano-sized gas sensor 5

by Gabriel Lippmann
A nano-sized gas sensor 5
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1849 views
Rating:

The CRPGL group is a newly formed lab in Luxembourg. Within the project their role is to start looking at 'scale up', plasma treatment at larger scales than is possible in the other labs, coupled with a battery of different sample testing techniques.

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00:14:00

A nano-sized gas sensor 5

by Jean Rouxel
A nano-sized gas sensor 5
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 1909 views
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Institut des Materiaux, Nantes, France. The IMN group are specialists in computer modelling - in this case, of atomic defects and damage in the surface of the carbon nanotubes caused by the plasma treatment. What is the plasma doing to the nanotube s....

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00:07:00

A nano-sized gas sensor 5

by Various Presenters
A nano-sized gas sensor 5
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 2131 views
Rating:

The Tarragona Group at University Rovira i Virgili are the experts in producing new prototype gas sensors. All the new metal particle treated nanotube samples from Belgium and Luxembourg make their way down to this beautiful corner of Spain, where th....

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00:07:00

A nano-sized gas sensor 6

by Marc Delgado
A nano-sized gas sensor 6
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 2230 views
Rating:

Sensotran are the industrial partner in the nano2hybrids project. A small family firm based just outside Barcelona in Spain, they are experts in commercial production of gas sensors for a range of industries, notably for detecting dangerous gases pro....

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00:25:00

A Novel Putative Cancer Biomarker.

by Amy Sang
A Novel Putative Cancer Biomarker.
for All ages,
Lectures | All ages | 13 years ago | 1441 views
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00:02:00

A Revolution in Solar Energy Production

by Dan Nocera
A Revolution in Solar Energy Production
for All ages,
Lectures | All ages | 15 years ago | 1477 views
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Dan gives a brief introduction into his group's discovery of a new and efficient catalyst which could be of vital importance in our search for better ways of capturing solar energy.

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00:05:00

A-maizing Hydrogen

by Various Presenters
A-maizing Hydrogen
for 11-14 and upwards,
Highschool presentations | 11-14 and upwards | 8 years ago | 1843 views
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Hydrogen - the fuel of the future?

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00:29:00

ACS Richard Smalley Eulogy

by Harry Kroto
ACS Richard Smalley Eulogy
for All ages,
Lectures | All ages | 16 years ago | 2541 views
Rating:

A moving address by Harry to the ACS meeting in San Francisco about his colleague and fellow Nobel Prize winner, Richard Smalley.

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00:48:00

Advanced hybrid electrospun nanofibrous scaffolds for biomedical applications

by Brahatheeswaran Dhandayuthapani
Advanced hybrid electrospun nanofibrous scaffolds for biomedical applications
for 18-22 and upwards,
Postgraduate presentations | 18-22 and upwards | 10 years ago | 2802 views
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Brahatheeswaran describes how tissue scaffolds can be made in novel ways.  This lecture is his PhD thesis defence.

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00:04:00

Advancements and improvements to etherification and olefination reactions

by Susana Lopez
Advancements and improvements to etherification and olefination reactions
for 22 and upwards,
Postgraduate presentations | 22 and upwards | 15 years ago | 8421 views
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Etherification and olefination reactions play an important role in synthetic organic chemistry on a daily basis. As organic chemists we apply these methods to tackle synthetic targets of ever increasing complexity. As a graduate student in the Dudley....

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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
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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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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
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Fundamental aspects of Alkaline Fuel Cells

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00:05:00

Anti-Body Coated Magnetic Nanoparticles

by Philip Schlenoff
Anti-Body Coated Magnetic Nanoparticles
for 18-22 and upwards,
Lectures | 18-22 and upwards | 13 years ago | 2102 views
Rating:

Philip Shlenoff, recent high school graduate, gives a presentation of his work and opportunity at the Florida State University Dept. of Chemistry. Under the supervision of Zaki Estephan, Philip has actively participated in research that targets canc....

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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 | 1349 views
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Most important applications in the field of fuel cells

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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 | 2921 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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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 | 6526 views
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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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