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Dialysis – Wiki Article – Video

Posted: November 5, 2012 at 7:42 pm


Dialysis - Wiki Article
This article is about renal dialysis; for the laboratory technique, see dialysis (biochemistry); for treatment for liver failure, see liver dialysis. In medicine dialysis (from Greek dialusis," delta; iota; #940; lambda; upsilon;... Dialysis - Wiki Article - wikiplays.org Original @ http All Information Derived from Wikipedia using Creative Commons License: en.wikipedia.org Author: Anna Frodesiak Image URL: en.wikipedia.org ( Creative Commons ASA 3.0 This work is in the Public Domain. ) Author: Anna Frodesiak Image URL: en.wikipedia.org ( Creative Commons ASA 3.0 ) Author: Unknown Image URL: en.wikipedia.org ( Creative Commons ASA 3.0 ) Author: Image URL: en.wikipedia.org ( Creative Commons ASA 3.0 ) Author: National Kidney and Urologic Diseases Information Clearinghouse, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, USA Image URL: en.wikipedia.org ( This work is in the Public Domain. )From:WikiPlaysViews:0 0ratingsTime:15:18More inEducation

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Dialysis - Wiki Article - Video

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Science Caf̩: Ken Storey on the biochemistry of winter hibernation РVideo

Posted: November 5, 2012 at 7:42 pm


Science Café: Ken Storey on the biochemistry of winter hibernation
We all know that mammals are warm-blooded and that for humans a drop in core body temperature of only a few degrees can be lethal. However, such strict adherence to a high constant body temperature is not a feature of all mammals. Hibernators readily abandon this concept and let their bodies chill to near zero degrees Celsius while entering a deep torpor. Join Ken Storey, professor in the Departments of Chemistry and Biology, for a talk about the adaptations that allow some mammals to endure life in the cold and how our understanding of these mechanisms could lead to advances in medicine, organ preservation and long-term space flight. Where: Wild Oat Café at 817 Bank Street. When: Wednesday, Nov. 7 from 6:30 pm to 7:30 pm The free 20-minute discussion will be followed by a question and answer session. The Science Café series takes place every second Wednesday until Dec. 5, 2012. The Science Café series is organized by the Faculty of Science at Carleton University to discuss relevant issues facing our society and how science can help solve real-world problems. Meet some of our award-winning faculty members and graduate students as they share their excitement about science with the community. For more information, visit sciencecafe.carleton.caFrom:CarletonUvideosViews:5 0ratingsTime:01:47More inEducation

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Science Café: Ken Storey on the biochemistry of winter hibernation - Video

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of Charge Carriers in Organic Photovoltaic Devices – Video

Posted: November 5, 2012 at 7:42 pm


of Charge Carriers in Organic Photovoltaic Devices
A plenary talk from SPIE Optics + Photonics 2012. spie.org This presentation discusses an alternative approach to understanding the important charge-generation step that is critical to operation of an organic photovoltaic device. Instead of considering the interface to be a simple interaction between two semiconductors, a molecular model is discussed. The model takes advantage of the many years of studying photo-induced electron transfer in model donor-acceptor systems, where the process of long-lived charge separation and inhibited recombination process are well known and can be described by a Marcus Formulation. A number of polymer:fullerene systems have been studied, each with differing Gibbs energy driving forces and reorganization energies for electron transfer. The talk examines implications of the findings on improving device performance. Garry Rumbles is a Research Fellow at the US DOE National Renewable Energy Laboratory (NREL). He joined NREL in 2000 and is widely recognized for his research in photochemistry and photophysics of conjugated molecular systems, energy conversion in organic light emitting diodes and organic photovoltaic devices, and nanoscale morphology. He is a Professor Adjoint in the Department of Chemistry and Biochemistry at CU Boulder; and in 2009 he became a Fellow of the joint CU/NREL adventure: Renewable and Sustainable Energy Institute (RASEI)From:SPIETVViews:0 0ratingsTime:25:17More inScience Technology

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of Charge Carriers in Organic Photovoltaic Devices - Video

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Collagen might reduce cancer treatment side effects, CSULB reseacher hopes to prove

Posted: November 5, 2012 at 7:42 pm

LONG BEACH - Collagen is widely known as the substance used in plastic surgery to firm lips and smooth wrinkles.

But researchers are now hoping that the protein, a naturally occurring substance in the body, may hold the key for better cancer treatments that minimize painful side effects.

At Cal State Long Beach, biochemistry professor Katarzyna Slowinska is researching new ways to fight cancer with the use of collagen. This year, she received a four-year, $433,500 grant from the National Institutes of Health to continue her studies on how short strands of amino acids, called peptides, can serve as tiny delivery vehicles for cancer treatments.

Slowinska said collagen, a main building block in human connective tissue, has strong molecules that can be manipulated into carrying and releasing cancer drugs into tumors and even inside tumor cells.

"Collagen has the structure of a triple helix, so it looks like DNA, but instead of having two helices, it has three strands twisted together," she said. "This triple helix makes collagen rigid and strong, which is why it is a main component of connective tissues."

Slowinska said cancer cells are difficult to distinguish from healthy cells, so traditional treatments flood the body with medicine in order to target the abnormal cells. The process, however, is taxing on the body and can cause side effects such as hair loss, exhaustion and organ failure.

Slowinska hopes her research can

"Collagen is naturally derived and it's safer than other treatments so you will not have the bad side effects," she said.

Slowinska, along with 18 of her students, are testing seven lines of cancer cells known to be affected by the drug Paclitaxel, which is used in chemotherapy.

She plans to test other treatments and eventually move on to animal testing. Slowinska hopes her research will add to the larger body of knowledge on how to fight cancer and other diseases.

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Collagen might reduce cancer treatment side effects, CSULB reseacher hopes to prove

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Researching potential curing or slowing down of cardiovascular disease

Posted: November 5, 2012 at 7:42 pm

A University of Canterbury student is researching key cell biology processes that may be useful in curing or slowing down the development of many diseases such as strokes and heart attacks.

Nelsons Ben Walters is at the end of his fourth year of UC study working toward a Master of Science in Biochemistry. His area of research is on cardiovascular disease which is a leading cause of mortality in most developed countries, largely due to the ageing population and sedentary lifestyles.

In New Zealand heart attacks and strokes result are responsible for 40 percent of annual deaths, affecting around 10,000 people. Cardiovascular disease involves the build-up of fatty materials such as cholesterol in the cells within the arterial walls in a process known as atherosclerosis.

Fat deposition within the cells begins in teenage years and after enough time, blood circulation can be impaired through artery stiffening and plaque formation. These plaques can eventually rupture and form blood clots that deprive tissues of oxygen and other nutrients.

Depending on the location of clot formation, the resulting tissue damage can be in the form of a heart attack or stroke.

My project is looking at how cells involved in cardiovascular disease regulate production of an antioxidant called 7,8-dihydroneopterin. Antioxidants are protective molecules that protect cells against oxidative stress, a process involved in cardiovascular as well as many other diseases, Walters said today.

An increased understanding of how cells produce such molecules many one day lead to therapeutic drugs to modulate antioxidant production. Such interventional strategies may be useful in curing or slowing down the development of many diseases.

Biochemistry and medical research are extraordinarily fields to be involved in. Everything feels incredibly applicable, as the very processes we learn about are occurring inside ourselves and all other life on the planet.

It is also very rewarding to know that the relatively small contribution that I am making to the vast scientific literature, may one day lead to the development of medicines which could save and improve the quality of millions of lives around the world.

The University of Canterbury has been a great place to study, where world leading facilities/research laboratories and excellent teaching staff means anyone with the inclination can be inspired and excel in their field of interest.

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Researching potential curing or slowing down of cardiovascular disease

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Tricuspid Valve – Wiki Article – Video

Posted: November 5, 2012 at 7:42 pm


Tricuspid Valve - Wiki Article
"Tricuspid" redirects here. For the type of tooth, see dental anatomy. The tricuspid valve, or right atrioventricular valve, is on the right dorsal side of the mammalian heart, between the right atr... Tricuspid Valve - Wiki Article - wikiplays.org Original @ http All Information Derived from Wikipedia using Creative Commons License: en.wikipedia.org Author: Unknown Image URL: en.wikipedia.org ( Creative Commons ASA 3.0 ) Author: Mysid Image URL: en.wikipedia.org ( This work is in the Public Domain. ) Author: Kjetil Lenes Image URL: en.wikipedia.org ( Creative Commons ASA 3.0 )From:WikiPlaysViews:0 0ratingsTime:02:34More inEducation

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