30 results found for medicine

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00:30:00

From the Structure of the Ribosome to the Design of New Antibiotics

by Thomas Steitz
From the Structure of the Ribosome to the Design of New Antibiotics
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1756 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 mechanism of action of a ....

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00:34:00

Discovery of Nitric Oxide and Cyclic GMP in Cell Signalling and their Role in Drug Development

by Ferid Murad
Discovery of Nitric Oxide and Cyclic GMP in Cell Signalling and their Role in Drug Development
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 2894 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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00:29:00

The Lability of the Differentiated State

by Martin Evans
The Lability of the Differentiated State
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1196 views
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Many classical studies have shown that cell fates become progressively restricted during development and that this restriction is typically irreversible. This has led to the dogma of the Stability of the Differentiated State: cells cannot typically ....

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00:35:00

Updated Notions on Darwinian Evolution

by Werner Arber
Updated Notions on Darwinian Evolution
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1408 views
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Charles Darwin had based his theory of biological evolution on the observation that phenotypic variants of a given species can sometimes over-grow their parental population, and he attributed this to selective advantage, i.e., to the impact of natura....

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00:29:00

Protein Cross Talk in Cell Signaling

by Edmond Fischer
Protein Cross Talk in Cell Signaling
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1319 views
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The main focus of the talk will be on signaling by tyrosine phosphorylation, which has been directly implicated in the regulation of cell growth, differentiation and transformation. External signals coming in the form of mitogenic hormones and growt....

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00:33:00

Signals and Signalling Mechanisms in the Central Nervous System

by Erwin Neher
Signals and Signalling Mechanisms in the Central Nervous System
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1776 views
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Our brain is a network of about 10^11 neurons, which are connected by 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 'act....

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00:31:00

Infections in the Etiology of Human Cancers

by Harald Zur Hausen
Infections in the Etiology of Human Cancers
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1358 views
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During the past century a number of chemical and physical risk factors for human cancers have been identified. Only relatively recently, mainly during the past 30 years, infectious agents have been identified as important human carcinogens. Besides....

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00:41:00

Climbing the Everest Beyond the Everest

by Ada Yonath
Climbing the Everest Beyond the Everest
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1724 views
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The challenges associated with pursuing ribosomal crystallography can be described as a series of Everest climbing. At each step, when reaching the summit, a taller and more difficult one became exposed. Snapshots of this story will be described.__....

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00:41:00

Telomeres and Telomerase in Human Health and Disease

by Elizabeth Blackburn
Telomeres and Telomerase in Human Health and Disease
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 2848 views
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Telomeres are the protective tips that stabilize the ends of chromosomes. The function of telomeres is to allow cells to divide while holding the genetic material intact. Telomeres contain specialized, simple repetitive DNA sequences that, together....

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00:22:00

Simulation of cell seeding and cell mechanical forces in tissue engineering

by Damien Lacroix
Simulation of cell seeding and cell mechanical forces in tissue engineering
for 18-22 and upwards,
Postgraduate presentations | 18-22 and upwards | 10 years ago | 4710 views
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A brief description of the factors which are involved in simulating various effects in tissue engineering research.

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00:35:00

Biofunctionalized magnetic nanoparticles for tumor therapy

by Baiju Nair
Biofunctionalized magnetic nanoparticles for tumor therapy
for 18-22 and upwards,
Postgraduate presentations | 18-22 and upwards | 10 years ago | 1817 views
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Baiju describes the important uses of magnetic nano particles for delivering anti-cancer drugs.  This talk was part of his PhD thesis defence.

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00:39:00

Biocompatible Nanoparticles: A nanoplatform for imaging and drug delivery to cancer cells

by Aswathy Ravindran Girija
Biocompatible Nanoparticles: A nanoplatform for imaging and drug delivery to cancer cells
for 18-22 and upwards,
Postgraduate presentations | 18-22 and upwards | 10 years ago | 2704 views
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Aswathy presents her PhD thesis defence lecture where she describes the use in drug-delivery of nanoparticles.

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