And so what does that mean, that it's biodegradable and biocompatible?

But I thought, no, no, experiment with resins, experiment with polymers.

Natural polymers, well ... I think that's what's most important, because these polymers have been tried and tested in our ecosystem for the last billion years, in everything from mushrooms to crustaceans.

In our world we use about 350 polymers to make all this.

I mentioned it briefly at the beginning the protein is biodegradable and biocompatible.

We use five polymers in the natural world to do everything that you see.

This is made bone is made from a mixture of inorganic minerals and polymers.

Shoes for Nike, where the uppers are polyesters, infinitely recyclable, the bottoms are biodegradable soles.

And also, I thought that there would be synthetic polymers, plastics, embedded in the rock.

When that moves into polymers, you can change the elasticity, the fluidity of the form.

Examples include natural fibres, organic agricultural products, recyclable and biodegradable products or sustainably produced forest products.

The revised proposal was sent again for evaluation, and now the reviewers reason for rejecting it was that new polymers would not be safe to test on animals or people. Another graduate student showed that the polymers were safe.

(d) The fact that biofuels are biodegradable, and are ideal for inland waterways and other environmentally sensitive areas.

Yet one of my graduate students synthesized the polymers for his doctoral thesis. We sent the proposal back for another review, only to be told that the grant should still not be funded, because the polymers would react with whatever drug we wanted to deliver.

The alarming UNEP report on marine debris only heightens our concern over the ever growing accumulation of non biodegradable debris in the marine and coastal environments.

(d) Bio ecology obtaining highly effective strains of micro organisms for producing biodegradable preparations of petroleum, organophosphorous substances, means of protecting plant life and exopolysaccharides used in the oil industry

In the future they will look like that, because we need to move away from those type of polymers and use that for medical equipment and more important things, perhaps, in life.

Then we would have an anaerobic digester, which could deal with all the biodegradable waste from the local area, turn that into heat for the greenhouse and electricity to feed back into the grid.

But, of course, for most of us, we know how to grow teeth, and therefore we can take adult stem teeth, put them on a biodegradable mold, re grow a tooth, and simply implant it.

Matt Froind, a dairy farmer in New Canaan, Connecticut, who woke up one day and realized the crap from his cows was worth more than their milk, if he could use it to make these biodegradable flower pots.

Working in a hospital, I saw that almost all polymers used in medicine were derived from household objects. For example, the materials used in girdles for women are used in artificial hearts because of their good flex life.

It's sustainable it's a sustainable material that is processed all in water and at room temperature and is biodegradable with a clock, so you can watch it dissolve instantaneously in a glass of water or have it stable for years.

The first step was to select monomers a polymer s building blocks that would be safe in the human body. We then synthesized these polymers and discovered that by changing their composition, we could make them last in the body for a period ranging from days to years.

We see it that way. Plants are busy making long chains of starches and glucose, right, out of CO2. He's found a way he's found a catalyst and he's found a way to take CO2 and make it into polycarbonates. Biodegradable plastics out of CO2 how plant like.

With Henry Brem, now the chief of neurosurgery at Johns Hopkins Hospital, we thought we could use these polymers to deliver drugs locally in the treatment of brain cancer. But I had to raise money for this project, so I wrote grant applications to government agencies that were reviewed by other professors.

Meanwhile, our gatherer ancestors ate carbohydrates (polymers of glucose), which was also transported to the liver, via the glycolytic pathway, and broken down for energy. Any excess glucose stimulated the pancreas to release insulin, which transported glucose into peripheral fat tissue, and which also caused the liver to store glucose as glycogen (liver starch).

But the emergence of molecular comparisons in the 1960 s, and DNA technologies in the 1980 s, presented a new way of comparing species. The comparison of linear polymers proteins made up of chains of amino acids, or DNA made up of chains of nucleotides held out the promise of a simple tabular approach to evolution.

Given that most of these items are not biodegradable, and are not recycled, plastics waste is building up with serious environmental consequences. While governments have begun to implement new (and often quite strict) regulations aimed at managing plastics waste for example, China banned lightweight plastic shopping bags in 2008 they are inadequate to address the world s growing plastics waste problem.

Given that tumors take several months to grow, biocompatible systems had to be developed that could release proteins and other large molecular weight substances slowly and continuously in the body something that scientists were convinced was impossible. However, after two years of work, I discovered that I could modify certain types of polymers to release molecules of virtually any size over a 100 day period.