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News tagged with bioreactor

Bioartificial lungs transplanted into rats (w/ Video)

(PhysOrg.com) -- Researchers in the US have grown lungs in their laboratory and transplanted them into rats. The transplanted lungs functioned for up to six hours. The current work follows independent research ...

Medicine & Health / Medical research

created Jul 15, 2010 | popularity 4.8 / 5 (20) | comments 3 | with audio podcast report

New oxygen producing mechanism proposed

(PhysOrg.com) -- Photosynthesis is the mechanism by which plants generate oxygen, but new research on a novel type of anaerobic bacteria supports the theory that bacteria produced their own oxygen long before ...

Chemistry / Biochemistry

created Mar 25, 2010 | popularity 4.9 / 5 (15) | comments 7 | with audio podcast report

Researchers discover unique suspension technique for large-scale stem cell production

Post-doctoral researcher David Fluri and Professor Peter Zandstra at the University of Toronto's Institute of Biomaterials and Biomedical Engineering (IBBME) have developed a unique new technique for growing stem cells that ...

Biology / Biotechnology

created Apr 05, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Scientists make human blood protein from rice

Scientists at a Chinese university said Monday they can use rice to make albumin, a protein found in human blood that is often used for treating burns, traumatic shock and liver disease.

Biology / Biotechnology

created Oct 31, 2011 | popularity 4.6 / 5 (7) | comments 0

Water to make power, power to purify water: Engineer aims to limit waste

Research for many water scientists involves a frustrating paradox: Water purification requires prodigious amounts of electricity, while utilities guzzle huge volumes of water to generate electricity.

Technology / Engineering

created Apr 30, 2010 | popularity 4.8 / 5 (10) | comments 3

Scientists' breakthrough in production of biofuels

A team of scientists from the University of Sheffield have scooped an international award in recognition of their work on an innovative device which will make the production of alternative biofuels more energy efficient.

Technology / Energy & Green Tech

created Jan 07, 2010 | popularity 3.3 / 5 (11) | comments 0 | with audio podcast

Bioreactor redesign dramatically improves yield

Scientists explain why a microalgae bioreactor redesign provides an order-of-magnitude improvement over conventional cultivation methods.

Physics / General Physics

created Apr 18, 2012 | popularity 5 / 5 (2) | comments 0

Bacteria munch up alumina impurities

Previously unknown species of naturally-occurring bacteria have the potential to save the alumina and aluminium industries millions of dollars while helping to reduce their impact on the environment, microbiologist ...

Biology / Cell & Microbiology

created Jul 19, 2010 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Bacteria from the deep can clean up heavy metals

A species of bacteria, isolated from sediments deep under the Pacific Ocean, could provide a powerful clean-up tool for heavy metal pollution.

Biology / Cell & Microbiology

created Jun 05, 2009 | popularity 4.8 / 5 (6) | comments 4

The swirling of wine helps bioreactors to run better (w/ video)

Every wine aficionado knows that wine has to be swirled in a glass in order for it to release its aroma. Applied to biotechnologies over some fifteen years, this ordinary gesture has made it possible to develop more efficient ...

Physics / General Physics

created Nov 30, 2011 | popularity not rated yet | comments 0

New device creates lipid spheres that mimic cell membranes

A new way of manipulating fluids on microscopic levels brings us one step closer to "bottom-up" artificial cell constructs.

Chemistry / Biochemistry

created Dec 16, 2011 | popularity 1 / 5 (1) | comments 0

Biofuels without competing claims in Mozambique

It might not seem the most obvious option to generate energy using biomass in Mozambique, where agriculture barely manages to feed the population. But Wageningen UR researchers concluded the contrary: Small bioreactors can ...

Biology / Other

created Apr 26, 2011 | popularity not rated yet | comments 0

NASA Develops Algae Bioreactor as a Sustainable Energy Source

(PhysOrg.com) -- As a clean energy alternative, NASA invented an algae photo-bioreactor that grows algae in municipal wastewater to produce biofuel and a variety of other products.

Chemistry / Other

created Nov 18, 2009 | popularity 4.8 / 5 (9) | comments 2

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Bioreactor

A bioreactor may refer to any manufactured or engineered device or system that supports a biologically active environment. In one case, a bioreactor is a vessel in which a chemical process is carried out which involves organisms or biochemically active substances derived from such organisms. This process can either be aerobic or anaerobic. These bioreactors are commonly cylindrical, ranging in size from litres to cubic metres, and are often made of stainless steel.

A bioreactor may also refer to a device or system meant to grow cells or tissues in the context of cell culture. These devices are being developed for use in tissue engineering or biochemical engineering.

On the basis of mode of operation, a bioreactor may be classified as batch, fed batch or continuous (e.g. a continuous stirred-tank reactor model). An example of a continuous bioreactor is the chemostat.

Organisms growing in bioreactors may be suspended or immobilized. A simple method, where cells are immobilized, is a Petri dish with agar gel. Large scale immobilized cell bioreactors are:

For more information about Bioreactor, read the full article at Wikipedia.
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