15 results found for chemistry

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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 | 4 years ago | 648 views
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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 | 4 years ago | 616 views
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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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00:32:00

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 | 4 years ago | 918 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 | 6 years ago | 5735 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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01:35:00

Making Sense of Scents

by Various Presenters
Making Sense of Scents
for 14-19 and upwards,
Discussions | 14-19 and upwards | 7 years ago | 1069 views
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A panel of experts discussed the powerful effects that fragrances have on enhancing lives, rehabilitation and triggering reactions and memories.

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00:05:00

Dynamic Molecular Simulation

by Daniel Stribling
Dynamic Molecular Simulation
for 22 and upwards,
Undergraduate presentations | 22 and upwards | 9 years ago | 1307 views
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The use of computer simulation continues to advance bringing scientists and engineers the insight of graphical simulations at the molecular level

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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 | 9 years ago | 1244 views
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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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00:17:00

The Red Tide

by Courtney Stadius
The Red Tide
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 824 views
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The chemical reactions that cause 'red tide', as well as the effect of the chemical processes.

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00:10:00

Chemi- and bio-luminescence

by Sarah Johnston
Chemi- and bio-luminescence
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 815 views
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Chemiluminescence and bioluminescence. General chemistry explained and examples such as fireflies, Wintergreen mints, etc. are introduced

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00:06:00

Smart drugs and sneaky microbes

by Peter Agre
Smart drugs and sneaky microbes
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 2436 views
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Young scientists like Maartje Bastings are set to revolutionise the way we deliver drugs. Her work will aid the development of 'smart drugs' which target specific proteins in the membranes of particular cells, proteins like the aquaporins discovered ....

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00:06:00

Seeing green

by Roger Tsien
Seeing green
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1002 views
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The 2008 Nobel Prize in chemistry was awarded to Roger Tsien and colleagues for work on the green fluorescent protein (GFP). This protein, originally found in jellyfish, enables scientists to track the activity of individual proteins within living ce....

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00:52:00

Bioscience and Nanotechnology – peptide assemblies

by Dek Woolfson
Bioscience and Nanotechnology – peptide assemblies
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 890 views
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Toyo University Bio-Nanotechnology Symposium Lectures; Dr Woolfson talks on the self-assembly of peptides.

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