202 results found for lindau-nobel

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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 | 10 years ago | 1795 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 ....

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00:36:00

A Personal View of the History of Nuclear Magnetic Resonance in Biology and Medicine

by Kurt Wurthrich
A Personal View of the History of Nuclear Magnetic Resonance in Biology and Medicine
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 1992 views
Rating:

In 1952, Felix Bloch and Edward Purcell were awarded the Nobel Prize in Physics for the description of the phenomenon of nuclear magnetic resonance (NMR). Over the years, NMR has been used in a wide range of fundamental studies in physics, and in the....

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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 | 10 years ago | 3701 views
Rating:

Aquaporin (AQP) water channel proteins enable high water permeability in certain biological membranes. Discovered in human red cells but expressed in multiple tissues, AQP1 has been thoroughly characterized and its atomic structure is known. Expres....

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00:34:00

Synthetic Biology for Genetic Engineering in the 21st Century

by Hamilton Smith
Synthetic Biology for Genetic Engineering in the 21st Century
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 1544 views
Rating:

Synthetic biologists seek to design, build, and test novel biological systems. We have chemically synthesized a bacterial genome (Mycoplsama mycoides, 1078Kb) and brought it to life by transplantation into the cytoplasm of a related species. We are....

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00:39:00

You can see a lot by observing: Optical Microscopy 2.0

by Steve Chu
You can see a lot by observing: Optical Microscopy 2.0
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 1570 views
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Biological research and medicine were transformed by the invention and improvement of the optical microscope. Since the early 1990s, there has been another revolution in optical imaging, and manipulation of individual biological molecules and bio-mo....

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00:32:00

The Revolution of Personalized Medicine: Are We Going to Cure All Diseases and at What Price?

by Aaron Ciechanover
The Revolution of Personalized Medicine: Are We Going to Cure All Diseases and at What Price?
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 1657 views
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Many important drugs such as penicillin, aspirin, or digitalis, were discovered by serendipity - some by curious researchers who accidentally noted a "strange" phenomenon, and some by isolation of active ingredients form plants known for centuries to....

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00:28:00

From the Structure of the Ribosome to New Antibiotics

by Thomas Steitz
From the Structure of the Ribosome to New Antibiotics
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 1653 views
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Structural studies of the ribosome exemplify the evolution of structural studies in cell biology from the early negatively stained images of macromolecular assemblies in whole cells, to a detailed atomic understanding of the mechanisms of action of a....

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00:31:00

Infections Linked to Human Cancers: Mechanisms and Synergisms

by Harald Zur Hausen
Infections Linked to Human Cancers: Mechanisms and Synergisms
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 1414 views
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Slightly more than 20% of the global cancer incidence is presently being linked to viral, bacterial, or parasitic infections. The mechanisms by which these agents mediate malignant transformation differ substantially. Some contribute directly, freq....

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00:32:00

Why Do We Not Have a Vaccine Against HIV or Tuberculosis?

by Rolf Zinkernagel
Why Do We Not Have a Vaccine Against HIV or Tuberculosis?
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 1505 views
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Analysis of the immune system is fascinating and progressing rapidly. As a field of medical enquiry, it has however, drifted and turned purely academic. This is because interest and appreciation of protective immunity in infectious disease medicine....

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00:32:00

On The Road Toward an HIV Cure

by Franoise BarrŽ-Sinoussi
On The Road Toward an HIV Cure
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 1333 views
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Since the first cases of AIDS in 1981 and the identification of its etiological agent in 1983, much progress has been made in both the development of tools to prevent and treat HIV infection and the access to these tools. In particular, the wide arr....

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00:30:00

Inheritance from Teratomas

by Martin Evans
Inheritance from Teratomas
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 1385 views
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The techniques and concepts that have resulted in the identification and isolation of embryonic stem cells have come from studies with mouse teratocarcinomas. Embryonic stem cells isolated from normal mouse embryos may be grown in tissue culture and....

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00:31:00

Forging a Genetic Paradigm for Cancer

by Michael Bishop
Forging a Genetic Paradigm for Cancer
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 1608 views
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It is now axiomatic that, no matter what its causes, cancer ultimately arises from the malfunction of genes. A number of clues prefigured this paradigm: the persistence of the malignant phenotype through countless cell divisions; the mutagenicity of....

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00:32:00

Man vs. Helicobacter _ The past 50,000 years and the next 50

by Barry Marshall
Man vs. Helicobacter _ The past 50,000 years and the next 50
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 1793 views
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The epidemiology of Helicobacter pylori continues to be an area of discovery and controversy in the 21st century. The transmission of this bacterium from mother to child allows Helicobacter DNA to mimic the evolution of maternal mitochondria DNA. B....

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00:31:00

Deciphering Immunity by Making It Fail

by Bruce Beutler
Deciphering Immunity by Making It Fail
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 1752 views
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Infectious microbes collectively represent the strongest selective pressure operating on our species, and over hundreds of millions of years, drove the evolution of the sophisticated immune system we have today. While the general outlines of immune ....

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00:32:00

Innate Immunity: From Flies to Humans

by Jules Hoffmann
Innate Immunity: From Flies to Humans
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 1764 views
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Flies challenged with bacteria or fungi rapidly transcribe a battery of genes encoding potent antimicrobial peptides which oppose the invading microorganisms. Genetic analysis has identified two signaling cascades which control their expression: (1)....

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00:31:00

Multiscale Simulations of the Functions of Biological Molecules

by Arieh Warshel
Multiscale Simulations of the Functions of Biological Molecules
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 2925 views
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Despite enormous advances in structural studies of biological systems we are frequently left without a clear structure-function correlation and cannot fully describe how different systems actually work. This introduces a major challenge for computer....

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00:31:00

Genes and Proteins that Control Secretion and Autophagy

by Randy Schekman
Genes and Proteins that Control Secretion and Autophagy
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 3645 views
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The broad outlines of the secretory pathway were established by pioneering EM and cell fractionation experiments conducted by George Palade in the 1960s. Beginning in the mid 1970s and early 80s, my laboratory isolated a series of conditionally leth....

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00:37:00

Cosmic Rays: the Most Energetic Particles in the Universe

by James Cronin
Cosmic Rays: the Most Energetic Particles in the Universe
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1400 views
Rating:

Astrophysical objects are able to accelerate atomic nuclei to energies 10^7 times more than man made accelerators such as LHC. _Particles arrive at earth from space with energies as great as 50 joules, a macroscopic energy in a microscopic particle.....

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00:39:00

The World of Spintronics: Electrons, Spins, Computers and Telephones

by Albert Fert
The World of Spintronics: Electrons, Spins, Computers and Telephones
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1289 views
Rating:

Spintronics is a new field of research which exploits the influence of the electron spin on electronic transport. It is well known for the giant magnetoresistance of the magnetic multilayers and its application to increase the capacity of the hard d....

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00:32:00

The Big Challenges

by Gerardus t'Hooft
The Big Challenges
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1284 views
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During the entire 20th century, physical sciences have advanced to such a degree that we can extrapolate how they can be applied, even in a fairly distant future.  Even if we leave open the (likely) possibility of spectacular new discoveries and inv....

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00:34:00

Frontiers of Physics

by David Gross
Frontiers of Physics
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1696 views
Rating:

David discusses a few of the questions facing fundamental physics that might be answered before the 100th Lindau meeting in 2050.

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00:32:00

The Looming World Shortage of Helium

by Robert Richardson
The Looming World Shortage of Helium
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1244 views
Rating:

The worldÍs supply of Helium gas comes primarily from alpha decay in rocks. The most abundant supply is in the American Southwest where it is trapped with methane is natural gas wells. That supply is estimated to last a mere 25 years. It took 4.7 bi....

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00:28:00

The History of the Universe, from the Beginning to the Ultimate End

by John Mather
The History of the Universe, from the Beginning to the Ultimate End
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1302 views
Rating:

John summarizes the history of the universe, from the Big Bang through the formation of galaxies and the Solar System, and the history of the Earth and some of the special factors enabling the formation of life.  Our future will be hot as the Sun ge....

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01:18:00

What is Quantum Optics?

by Roy Glauber
What is Quantum Optics?
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 4045 views
Rating:

The image of light waves as oscillating electromagnetic fields explains virtually all the phenomena of traditional optics.  An awareness that these waves are somehow subdivided into quanta has however been with us since the early 20th century.  The....

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