Overview: Science News

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Image: Workers sorting plastic at waste recycling plant; Copyright: seventyfourimages

Treated plastic waste good at grabbing carbon dioxide

16/05/2022

Researchers at Rice University have developed a technique to turn plastic waste into an effective carbon dioxide (CO2) sorbent for industry.
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Photo: Wastewater treatment plant from top view; Copyright: leungchopan

Taking the fight to microplastics with lasers

16/05/2022

The newly developed laser-drilled microplastic filter filters out tiny microplastic particles in wastewater. As part of the "SimConDrill" project, 59 million holes with a diameter of ten micrometers were drilled into a filter sheet using a multi-beam process. The process was developed at the Fraunhofer Institute for Laser Technology ILT.
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Image: Cutout of woman using cell phone and laptop ; Copyright: leungchopan

A stretchy display for shapable electronics

25/04/2022

Zhenan Bao, a chemical engineer at Stanford University, and her research team have provided proof of principle for a stretchable, potentially reshapeable display using a method to fabricate an elastic light-emitting polymer with high luminosity.
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Photo: Sorting plastic bottles ; Copyright: AnnaStills

New enzyme discovery is another leap towards beating plastic waste

25/04/2022

Scientists have characterized an enzyme that has the ability to degrade terephthalate (TPA), one of the chemical building blocks of the plastic polyethylene terephthalate (PET), which is used to make disposable beverage bottles, for example.
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Image: Fruit and vegetables in plastic bags and packaging ; Copyright: duskbabe

Edible, biodegradable, anti-microbial plastic boasts higher tensile strength than petroleum-based plastic

12/04/2022

A research team at São Paulo State University (UNESP) made their bioplastic from type B bovine gelatin. Besides nanoclay the material is produced from clay and a nanoemulsion of black pepper essential oil.
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Image: Lab instruments against blue background ; Copyright: ktsimage

A previously unknown bacterial enzyme makes new type of biodegradable polymer

12/04/2022

Researchers have identified a bacterial enzyme that can produce a new type of polysaccharide similar to the biopolymer chitin. The new molecule could be useful for drug delivery, tissue engineering and other biomedical applications. It is also biodegradable.
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Image: Detail of trees in grass, bark is in the foreground ; Copyright: PantherMedia / weruskak

New plant-derived composite is tough as bone and hard as aluminum

04/04/2022

MIT researchers has engineered a composite made mostly from cellulose nanocrystals mixed with a bit of synthetic polymer. The material could pave the way for sustainable plastics.
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PERC Solar Cells from 100 Percent Recycled Silicon

07/03/2022

In order to be able to reuse silicon, a working group from the Fraunhofer Institute for Solar Energy Systems ISE and the largest German recycling company for PV modules, Reiling GmbH & Co. KG, have developed a solution, in which the silicon in the discarded modules was recycled on an industrial scale and reused to produce new PERC solar cells.
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Creating sustainable material from waste

01/03/2022

University of Delaware researchers demonstrated that it is possible to efficiently turn industrially processed lignin into high-performance plastics, such as bio-based 3D-printing resins, and valuable chemicals. The research team replaced methanol, a traditional solvent used in lignin deconstruction, with glycerin so the process could be done at normal atmospheric pressure.
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Chemists develop radical way to make it easier, more profitable to recycle plastic

01/03/2022

By modifying carbon-hydrogen bonds, chemists from the University of North Carolina at Chapel Hill transform plastic trash into tougher, stronger material. They started with plastic foam packaging used to protect electronics during shipping that otherwise ends up in landfills.
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